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Dev Articles - Programming Help and Tutorials for all development technologies (5 unread)

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Styling HTML Lists with CSS: Manipulating Padding and Margins at the Same Time

Posted: September 1st, 2010, 7:00am MDT

In this third part of a series I demonstrate how easy it is to manipulate simultaneously the padding and margins of an HTML list with CSS. In fact the process is so simple that you shouldn t have major trouble replicating it when designing your own web pages....
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Styling HTML Lists with CSS: Specifying Padding and Margins in Pixels

Posted: August 31st, 2010, 7:00am MDT

In this second part of a series you will learn how to assign individual values to the padding and margin properties of an HTML list. The process is simple to understand it s very similar to performing the same task with other web page elements....
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Styling HTML Lists with CSS: Resetting Padding and Margins

Posted: August 30th, 2010, 7:00am MDT

In this first part of the series on styling HTML lists with CSS I explain how to reset their padding and margins. The entire styling process is very easy to follow....
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Application Deployment with Capistrano

Posted: August 25th, 2010, 7:00am MDT

In this conclusion to a five-part series on application deployment with Ruby on Rails you ll learn how to create and use the Capistrano Deployment recipe. This article is excerpted from chapter 12 of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Deploying an Application to the Server

Posted: August 24th, 2010, 7:00am MDT

In this fourth part to a five-part series on deploying a Rails application you ll learn how to deploy an application manually create users and groups and more. This article is excerpted from chapter 12 of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Absolute Positioning in CSS: a Dynamic Menu

Posted: August 23rd, 2010, 7:00am MDT

In this conclusion to a three-part series on how to use absolute positioning in CSS you ll learn how to build an easily customizable drop-down menu with this frequently under-appreciated feature....
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Google Ajax APIs: Building a Navigation Bar with the Easing jQuery Plug-in

Posted: August 18th, 2010, 7:00am MDT

This is the final part of a six-part series that shows you how to use the various animation options of the Easing jQuery plug-in to make a navigation bar work properly. In this part we ll modify the bar so that its JavaScript dependencies can be downloaded from the cloud....
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CSS Absolute Positioning: Creating a Quick Search Form

Posted: August 17th, 2010, 7:00am MDT

In this second article of the series I cover in depth a use case where relative and absolute positioning can yield satisfactory results the implementation of a quick search form within the heading section of a web page. The driving logic of this approach is not difficult to grasp so you shouldn t have any major problems applying it when developing your own websites....
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Easing jQuery Plug-in: Using the easeOutBack Effect to Build a Navigation Bar

Posted: August 16th, 2010, 7:00am MDT

In this penultimate installment of the series I show how simple it is to animate the links bar we ve been creating by using the easing options bundled with the Easing plug-in. In this article s example the animation is implemented via the easeOutBack effect but if you wish it s quite possible to use a different easing option and create interesting variations in a snap....
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CSS: Building Tooltips with Absolute Positioning

Posted: August 11th, 2010, 7:00am MDT

CSS lets you position items both relatively and absolutely on a web page. The use of relative positioning makes sense when your layouts need to be flexible to accommodate various browsers and hardware. But how useful is absolute positioning More than you might think....
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jQuery Easing Plug-in: Building a Navigation Bar using the easeOutElastic Effect

Posted: August 10th, 2010, 7:00am MDT

In this fourth part of a six-part series I show how to create a slightly different version of the previous navigation bar by using the easeOutElastic easing effect provided by the Easing plug-in. Achieving this is a straightforward process reduced to calling jQuery s animate method with the name of the effect to apply....
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Secure Application Deployment with Ruby on Rails

Posted: August 9th, 2010, 7:00am MDT

In this third part of a five-part series on deploying an ecommerce application with Ruby on Rails you will learn how to configure access to the application so that it is properly secured and more. This article is excerpted from chapter 12 of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Installing the Database for Application Deployment

Posted: August 6th, 2010, 7:00am MDT

In this second part of a multi-part article series you ll learn how to install various parts of an application in preparation for deploying it online. This article is excerpted from chapter 12 of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Application Deployment

Posted: August 5th, 2010, 7:00am MDT

Before an application can make it onto the Internet it needs to go into a production environment and be deployed. This multi-part article series will show you how to do this for the Ruby-on-Rails ecommerce application we ve been working on. It is excerpted from chapter 12 of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Easing jQuery Plug-In: Fixing Access Issues with Progressive Enhancement

Posted: August 4th, 2010, 7:00am MDT

In this third installment of a series I demonstrate how the proper use of Progressive Enhancement can be of great help in increasing the accessibility of the sample navigation bar built previously. Implementing this approach means that the bar will remain completely functional even if JavaScript is disabled on the browser....
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Easing jQuery Plug-in: Implementing the Behavior Layer on a Navigation Bar

Posted: August 3rd, 2010, 7:00am MDT

In this second part of a series I show how to use the Easing jQuery plug-in to animate the subsections of the navigation bar built in the preceding tutorial. In this case the easing effect we ll apply to the bar s subsection is called easeOutBounce but it s possible to use others check the plug-in s official documentation for more information on how to accomplish this....
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jQuery Easing Plug-in: Building an Animated Navigation Bar

Posted: August 2nd, 2010, 7:00am MDT

When you re trying to develop a navigation bar you need to balance two requirements. The bar needs to be accessible to as many users as possible but many site owners and developers like the look of an animated navigation bar -- which by its very nature is less accessible. But if you use the Easing plug-in available in the jQuery framework you can have your cake and eat it too. This first part of a series on the plug-in will show you how....
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Recording Acceptance Tests

Posted: July 30th, 2010, 7:00am MDT

In this conclusion to a three-part article series on acceptance testing with Ruby on Rails you ll learn how to use the Selenium IDE and how and why to record the results of your acceptance tests. This article is excerpted from chapter 11 of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Commands for Acceptance Testing

Posted: July 29th, 2010, 7:00am MDT

In this second part of a three-part article series on acceptance testing with Ruby on Rails you will learn the various commands that are performed during this process and start your first acceptance test. This article is excerpted from chapter 11 of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Dynamic Drop-down Menus: Javascript Progressive Enhancement

Posted: July 28th, 2010, 7:00am MDT

In this conclusion to a nine-part series on Progressive Enhancement we ll take the drop-down menu that we designed in the previous part and make its behavior dynamic with the addition of jQuery s animate method. Users with JavaScript disabled on their browsers however will still be able to make complete use of the menu....
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Creating Drop-down Menus Using Progressive Enhancement

Posted: July 27th, 2010, 7:00am MDT

In this penultimate installment of the series I develop a hierarchical drop-down menu which will use the capabilities offered by jQuery to expand and contract its subsections. Since the entire building process follows the model imposed by Progressive Enhancement the menu will be completely functional even though it currently lacks for reasons that will become obvious truly dynamic behavior....
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Building Slide Shows Using Progressive Enhancement

Posted: July 26th, 2010, 7:00am MDT

In this seventh part of the series I develop a jQuery-driven slide show which uses the Cycle plug-in for performing the transitions between the sample images. While the fancy zooming effect applied to the images is carried out by the plug-in it s worth noting that the images will remain visible even if the web page is displayed with JavaScript disabled. This demonstrates yet another case where Progressive Enhancement is applied with satisfying results....
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Acceptance Testing

Posted: July 23rd, 2010, 7:00am MDT

If you ve built a complicated application and you want to make sure it works you perform acceptance testing. This three-part article series will show you how to automate the process. It is excerpted from chapter 11 of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Checkout and Order Processing: the User Side

Posted: July 22nd, 2010, 7:00am MDT

In this conclusion to a five-part article series on adding checkout and order processing capabilities to an ecommerce website with Ruby on Rails you will learn how to add the close order user story which involves adding the ability to calculate shipping costs and other details. This article is excerpted from chapter nine of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Form Validation with Progressive Enhancement: Final Touches

Posted: July 21st, 2010, 7:00am MDT

In this sixth part of a series I finish building a sample web application tasked with validating web forms via Ajax and PHP. The use of Progressive Enhancement is crucial to keeping the application working as expected even if JavaScript is disabled on the browser....
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Validating Web Forms: an Introduction to Progressive Enhancement

Posted: July 20th, 2010, 7:00am MDT

In this fifth part of the series I partially create another situation where Progressive Enhancement can be applied successfully. In this case we ll look at validating data entered into a web form. Due to the focus of this article the example will not include the PHP file responsible for performing the actual validation process that file will be covered in the next part....
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Ajax Progressive Enhancement: Reading Remote Files

Posted: July 19th, 2010, 7:00am MDT

In this fourth part of a series I show another real-world example of the use of Progressive Enhancement in combination with PHP and Ajax. This example allows users to read the contents of a file and display them on screen regardless of whether they have enabled JavaScript on the browser. In this particular case the data is fetched from a simple text file but it s possible to use any popular RDBMS instead....
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Checkout and Order Processing: the Administrative Side

Posted: July 16th, 2010, 7:00am MDT

In this fourth part of a five-part series that shows you how to add checkout and order processing capabilities to an ecommerce application based on Ruby-on-Rails you ll learn how to integrate a PayPal alternative build the administrative user interface and more. This article is excerpted from chapter nine of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Online Order Processing: Using PayPal

Posted: July 15th, 2010, 7:00am MDT

In this third part of a five-part series on building the checkout and order processing components of an ecommerce website with Ruby-on-Rails we ll focus on integrating PayPal into the application s capabilities. This article is excerpted from chapter nine of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Ajax Image Requests: Progresive Enhancement Techniques

Posted: July 14th, 2010, 7:00am MDT

In this third part of a series I will show you how to build a revamped version of the image gallery created in earlier tutorials. This time it combines the functionality of Progressive Enhancement Ajax and PHP to fetch images from the web server....
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jQuery Image Gallery: Working with Progressive Enhancement

Posted: July 13th, 2010, 7:00am MDT

In this second part of the series I redefine from scratch the behavioral layer of the image gallery built in the previous article. In this case the layer is implemented with jQuery but naturally it s possible to use the JavaScript library that best suits your needs and get the same results....
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Progressive Enhancement in an Image Gallery

Posted: July 12th, 2010, 7:00am MDT

In this first part of a series I introduce you to the concept of Progressive Enhancement and show you how to implement it in a basic image gallery. PE can help you build websites that are accessible to the largest possible number of users. Its principles and approach which you ll learn from the real-world example created in this series belong in every website developer s repetoire....
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Order and Payment Handling for an Ecommerce Website

Posted: July 9th, 2010, 7:00am MDT

In this second part of a five-part series on building the checkout and order processing parts of an ecommerce application in Ruby on Rails you ll learn how to save order information integrate with payment gateways and more. This article is excerpted from chapter nine of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Checkout and Order Processing for an Ecommerce Website

Posted: July 8th, 2010, 7:00am MDT

It s vital for an ecommerce website to get the checkout and ordering process correct. This five-part article series shows you how to use Ruby-on-Rails to manage it with very little difficulty. It s excerpted from chapter nine of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Google Font API: Requesting a Bold Font Style Using a Numeric Notation

Posted: July 7th, 2010, 7:00am MDT

If you re a web designer who wants to take full advantage of the functionality offered by the brand new web service implemented by Google that is the already popular Font API then this article series might be the material that you re looking for. It shows you how to work with the API s most relevant features. In this ninth and final article of the series you ll learn another way to get the bold version of a font....
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Google Font API: Using the Bi Shorthand

Posted: July 6th, 2010, 7:00am MDT

In this penultimate part of the series I take a detailed look at the bi shorthand included with the Google Font API. It can be used as a replacement for the bolditalic option covered in a previous article. Since the function of the suffix bi is nothing but to query the API using a shorter and more compact syntax its implementation should be extremely straightforward....
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Getting Text and Currency Working for Multiple Language Support

Posted: July 2nd, 2010, 7:00am MDT

In this conclusion to a four-part article series on adding support for multiple languages to a Ruby-on-Rails ecomerce application you will learn how to localize numbers and currency set character encoding and more. This article is excerpted from chapter 1 of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Translating a Site for Multiple Language Support

Posted: July 1st, 2010, 7:00am MDT

In this third article in a four-part series on adding support for multiple languages to a Ruby-on-Rails ecomerce application you will learn how to add a translation to a site edit the translation and more. This article is excerpted from chapter 1 of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Going Global with Multiple Language Support

Posted: June 30th, 2010, 7:00am MDT

In this second part of a four-part article series on adding support for multiple languages to a Ruby-on-Rails ecomerce application you will learn how to use Globalize to add this important capability. This article is excerpted from chapter 1 of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Working with the Google Font API`s bolditalic Argument

Posted: June 29th, 2010, 7:00am MDT

In this seventh part of the series I demonstrate how to work with the bolditalic argument included with Google s Font API. The use of the argument is very similar to its counterparts italic and bold discussed in previous articles so understanding its underlying logic is truly a breeze....
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Displaying Bold Text with the Google Font API`s b Shorthand

Posted: June 28th, 2010, 7:00am MDT

In this sixth part of the series you will learn how to work with the b shorthand offered by the Google Font API which can be used as a quick replacement for the bold option discussed in a previous part. The shorthand offers nothing especially difficult to grasp so you shouldn t have any problem using it when embedding bold fonts in your own X HTML documents....
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Preparing to Add Tagging Support

Posted: June 9th, 2010, 7:00am MDT

In this second part of a four-part series on how to add tagging support to an ecommerce website using Ruby on Rails you ll learn what modifications you need to make so that items in your system can be tagged without breaking things. This article is excerpted from chapter seven of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Tagging Support

Posted: June 8th, 2010, 7:00am MDT

If you re building an ecommerce website that sells a number of different kinds of goods you might want to institute tagging. This mainstay of many Internet sites makes it easier to categorize items and can assist your visitors in finding what they re looking for. This four-part article series shows you how to add tagging support to your site using Ruby on Rails. This article is excerpted from chapter seven of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Building a Drop-Down Menu with the HoverIntent jQuery Plug-in

Posted: June 7th, 2010, 7:00am MDT

In this final part of a six-part series on using the hoverIntent jQuery plug-in you will learn how to easily implement delayed rollovers on your web pages as part of a larger drop-down menu. As you ll see such rollovers are in general more accessible than the ones created using a standard approach....
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Finishing a Shopping Cart Implementation

Posted: June 4th, 2010, 7:00am MDT

In this second part of a two-part series on implementing a shopping cart for an online bookstore we ll create a floating cart that will show its contents to the user and set up its capabilities. This article is excerpted from chapter five of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Using All of the HoverIntent jQuery Plug-in`s Options

Posted: June 3rd, 2010, 7:00am MDT

In this penultimate chapter of the series you will learn how to implement a basic rollover by using all of the parameters accepted by the hoverIntent plug-in at the same time. Even though you ll probably want to assign custom values to fewer arguments I believe that building a fully-tweaked rollover is an educational and fun experience....
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Controlling Mouseout Events with HoverIntent`s Timeout Argument

Posted: June 2nd, 2010, 7:00am MDT

In this fourth installment of the series you will learn how to further customize the behavior of the hoverIntent jQuery plug-in by tweaking its timeout argument. This parameter can be used for assigning different delays to mouseout events which can help you build more usable and accessible rollovers....
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Using the Interval Argument of the HoverIntent jQuery Plug-in

Posted: June 1st, 2010, 7:00am MDT

In this third part of the series you will learn how to modify the default polling interval of hoverIntent by means of the interval option. The straightforward process means you shouldn t have major trouble using this argument when coding your own delayed rollovers....
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Shopping Cart Implementation

Posted: May 28th, 2010, 7:00am MDT

Continuing our series on setting up an online bookstore with Ruby-on-Rails this two-part tutorial explains how to implement the shopping cart. It is excerpted from chapter five of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Tweaking the Sensitivity of the HoverIntent jQuery Plug-in

Posted: May 27th, 2010, 7:00am MDT

In this second part of the series you ll learn how to customize the default behavior of the hoverIntent jQuery plug-in by means of its sensitivity parameter. Thus you ll be able to create different delayed rollovers in a truly simple fashion....
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Introducing the HoverIntent jQuery Plug-in

Posted: May 26th, 2010, 7:00am MDT

In this first part of a series I introduce you to using the hoverIntent jQuery plug-in for creating delayed rollovers in a truly painless fashion. If you re familiar with the basics of jQuery then getting the plug-in up and running even without checking its official documentation is a breeze....
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Setting up Posting for a Forum Implementation

Posted: May 25th, 2010, 7:00am MDT

In this conclusion to a four-part series on implementing a forum with Ruby on Rails we ll finish setting up the part of the forum that allows users to view entries and add the sections that let them make and reply to posts. This article is excerpted from chapter six of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Forum Implementation: Viewing Posts

Posted: May 24th, 2010, 7:00am MDT

In this third part of a four-part series on setting up a forum for an online bookstore using Ruby on Rails we pick up where we left off we ll also start setting up the sections that allow visitors to view forum posts. This article is excerpted from chapter six of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Basic Tests for Forum Implementation

Posted: May 21st, 2010, 7:00am MDT

In this second part of a four-part series on setting up a forum in Ruby on Rails you ll learn how to unit test a model generate a forum controller and view and more. This article is excerpted from chapter six of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Forum Implementation

Posted: May 20th, 2010, 7:00am MDT

Setting up a forum is a great way to keep your customers interested and get feedback on what you re doing. This article the first part of a four-part series will show you how to set one up for an online bookstore using Ruby on Rails. It is excerpted from chapter six of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Adding an RSS Feed to an Online Book Catalog

Posted: May 19th, 2010, 7:00am MDT

In this conclusion to a three-part series on building an online book catalog application with Ruby-on-Rails we ll finish creating the search ability and add both a regular page and an RSS feed that lets users see the latest book titles to arrive at the store. This article is excerpted from chapter four of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Browsing and Searching an Online Book Catalog

Posted: May 18th, 2010, 7:00am MDT

In this second part of a three-part series on building an online book catalog in Ruby-on-Rails you ll learn how to set up the application to allow users to view book details and search for books. This article is excerpted from chapter four of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Building an Online Book Catalog

Posted: May 17th, 2010, 7:00am MDT

Now that we ve built an online bookstore application in Ruby-on-Rails it s time to serve our customers by building a book catalog of the store that they can use for browsing viewing book details searching for books and finding out about new titles at a glance. This article the first in a three-part series is excerpted from chapter four of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Managing Authors in an Online Bookstore

Posted: May 14th, 2010, 7:00am MDT

In this conclusion to a four-part series on building an online bookstore application in Ruby-on-Rails you ll learn how to edit and delete authors and more. This article is excerpted from chapter two of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Validating Author Data in an Online Bookstore

Posted: May 13th, 2010, 7:00am MDT

In this third part of a four-part article series on building an online bookstore application with Ruby on Rails you ll learn how to actually create authors in the system validate data and more. This article is excerpted from chapter two of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Adding Authors to an Online Bookstore

Posted: May 12th, 2010, 7:00am MDT

In this second part of a four-part article series on creating an online bookstore application with Ruby on Rails you ll learn how to run a migration script and unit tests create the controller and more. This article is excerpted from chapter two of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Styling Pseudo Classes with the RGBA CSS3 Property

Posted: May 11th, 2010, 7:00am MDT

Bundled with the rest of the new features that come with the upcoming CSS3 specification the rgba property is a powerful tool that will let you assign simultaneously and easily a specific color and a level of opacity to a selected HTML element. This makes it possible to create engaging alpha-based transparency effects on web pages without the need to rely on heavy PNG images or use a single pinch of JavaScript....
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Controlling Overall Transparency of an HTML Element with the RGBA CSS3 Property

Posted: May 10th, 2010, 7:00am MDT

In this penultimate installment of a four-part series you will learn how to use the rgba CSS3 property to change the overall opacity of all of the H2 headers coded in a sample X HTML document. This simple process demonstrates once again how flexible and versatile the property is when it comes to implementing alpha-based transparency effects on web pages....
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Author Management for an Online Bookstore

Posted: May 7th, 2010, 7:00am MDT

p In a recent series of articles you learned how to set up a proof of concept for an online bookstore created using Ruby-on-Rails. In this four-part article series you ll start creating the application for real using test-driven development. This article is excerpted from chapter two of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 . p ...
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Altering the Border Opacity of an HTML Element with the RGBA CSS3 Property

Posted: May 6th, 2010, 7:00am MDT

In this second part of the series you will learn how to take advantage of the functionality provided by the rgba CSS3 property to change the opacity of the borders of all of the H2 headers included in a sample web page. This straightforward process simply involves assigning a color and a level of transparency to the pertinent borders. Period....
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The RGBA CSS3 Property: an Overview

Posted: May 5th, 2010, 7:00am MDT

Website developers use many effects to produce beautiful web pages. Some effects however are more difficult to achieve than others. Surprisingly the transparency or opacity of web page elements falls into this category -- especially if you want the effect to look right on all browsers. Fortunately the upcoming CSS3 specification brings a solution to this problem called the rgba property. This four-part series takes a closer look at what you ll be able to do with this property once the specification is approved....
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Using HTML 5`s Mark, Summary and Details Elements

Posted: May 4th, 2010, 7:00am MDT

Welcome to the conclusion of a six-part series on some of the more exciting elements in HTML 5. Though this specification had not yet been approved by the World Wide Web Consortium at the time of writing the elements described in this series will make your life easier once the new specification receives widespread adoption and support from the major web browsers . This article covers three elements in HTML 5 that like the ones discussed in previous parts will help make your web page code cleaner and more semantic....
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Embedding External Content with HTML 5`s Article Tag

Posted: May 3rd, 2010, 7:00am MDT

In this penultimate part of a series on HTML 5 you will learn how to use its new lt article gt tag. This element should be used when it s necessary to include in a web page content that comes from an external source such as feeds blogs and even multiple web services. The beauty of lt article gt rests on its ability to wrap external data in a truly semantic way which is harder to achieve with regular divs....
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Testing a Book Emporium Application

Posted: April 30th, 2010, 7:00am MDT

In this conclusion to a three-part series on how to do a project setup and proof of concept for a fictional bookstore on Ruby-on-Rails we ll actually start the application for the first time and see how it functions. This article is excerpted from chapter one of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Writing a Ruby-on-Rails Bookstore Application

Posted: April 29th, 2010, 7:00am MDT

In this second part to a three-part series on doing the project setup and proof of concept for a fictional bookstore on Ruby-on-Rails we ll finish adding the software and start building the application itself. This article is excerpted from chapter one of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Ruby on Rails Book Emporium Project

Posted: April 28th, 2010, 7:00am MDT

If you re new to Ruby-on-Rails keep reading. This three-part article will show you how to do a project setup and proof of concept for a fictional bookstore. In this part we ll start installing the software. This article is excerpted from chapter one of the book em Practical Rails Projects em written by Eldon Alameda Apress ISBN 159 597818 ....
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Building Sidebars with HTML 5`s Aside Element

Posted: April 27th, 2010, 7:00am MDT

In this fourth part of the series I introduce you to the aside element. It comes in handy for quickly defining a sidebar within an HTML 5 document while preserving its precious and valuable semantic meaning....
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Working with HTML 5`s Footer Element

Posted: April 26th, 2010, 7:00am MDT

In this third part of a series on HTML 5 I provide you with a quick and simple introduction to creating semantic footers in HTML 5 with the footer tag. Using this element is similar to marking up a section with a div that has been assigned a meaningful ID. In this case though HTML 5 saves you from that hassle....
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Tracking Your Ads with Google AdWords

Posted: April 23rd, 2010, 7:00am MDT

If you conduct Google AdWords campaigns this article may be of interest to you. It shows how to use Ruby on Rails to build a reporting system that will help you keep the costs down when bidding on a selection of keywords. It is excerpted from chapter 13 of the book em Practical Reporting with Ruby on Rails em written by David Berube Apress ISBN 159 59933 ....
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Using the HTML 5 Section Element

Posted: April 22nd, 2010, 7:00am MDT

In this second part of a series I discuss the use of the section tag included with HTML 5. It can be used for semantically defining different sections of a web page. Working with this element is a fairly straightforward process so you shouldn t have major problems using it within the markup of your own HTML 5 documents....
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An Introduction to HTML 5: Doctype, Header and Nav Elements

Posted: April 21st, 2010, 7:00am MDT

So what s coming after the current version of HTML HTML 5 of course. Keep reading for a look at what s coming and how you ll be able to use the new elements in your web pages once the specification is finalized and browsers begin supporting the new standard. This is the first part of a series....
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Using Span Tags to Include Logos in Web Pages

Posted: April 20th, 2010, 7:00am MDT

Welcome to the conclusion of a four-part series that shows you how to semantically include logos in web pages. In this part you ll learn how to use additional span tags to include a logo in a web page without causing problems with the semantics of the page s structural markup....
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Creating Reports with Ruby and Microsoft Office

Posted: April 19th, 2010, 7:00am MDT

In this article you ll learn how to create reports with Ruby and Microsoft Office programs and produce a web-based system that sends its data to an Access database. It is excerpted from chapter 12 of the book em Practical Reporting with Ruby on Rails em written by David Berube Apress ISBN 159 59933 ....
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Calculating Costs by Analyzing Apache Web Logs

Posted: April 16th, 2010, 7:00am MDT

If you re working on analyzing your web site traffic keep reading. This article will show you how to create a custom report to analyze web site traffic and sales based on a high volume of data in Apache logs. It is excerpted from chapter 1 of the book em Practical Reporting with Ruby on Rails em written by David Berube Apress ISBN 159 59933 ....
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Tracking the News with Google News

Posted: April 15th, 2010, 7:00am MDT

In this article you ll create a graphical report from Google News RSS data using a handy utility called FeedTools and a plug-in called CSS Graphs Helper. This article is excerpted from chapter 11 of the book em Practical Reporting with Ruby and Rails em written by David Berube Apress ISBN 159 59933 ....
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Using a Single H1 Element to Include Logos in Web Pages

Posted: April 14th, 2010, 7:00am MDT

In this third part of a series I demonstrate how easy it is to display a logo in a web page by using an H1 header element. This approach allows you to preserve the page s semantic meaning....
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Combining Divs and H1 Elements to Include Logos in Web Pages

Posted: April 13th, 2010, 7:00am MDT

In this second tutorial of a series I implement a simple effective method for displaying a sample logo in a web page while preserving its semantic meaning. This process involves the use of a div and an H1 header which is a more effective approach as this last element is utilized in most cases to show the name of a web site or of the pages which it comprises ....
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Semantically Including Logos in Web Pages

Posted: April 12th, 2010, 7:00am MDT

Are you looking for a graceful way to include your logo on your web page without messing up the semantic meaning of its code Then you ve come to the right place. This article the first in a series will show you a couple of relevant approaches future articles will provide you with additional options....
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Investment Tracking with Fidelity

Posted: April 9th, 2010, 7:00am MDT

With the economy the way it is many people are trying to keep a closer watch on their investments. This article shows you how to write some custom code for this. It is excerpted from chapter nine of the book em Practical Reporting with Ruby on Rails em written by David Berube Apress ISBN 159 59933 ....
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Creating Sales Performance Reports with SugarCRM

Posted: April 8th, 2010, 7:00am MDT

If your business is successful it won t take too long for you to have plenty of customers -- and lots of data about them. How do you keep track of it all With a customer relationship management system of course. This article will explain how to use the open source SugarCRM to produce an appropriate report. It is excerpted from chapter 8 of the book em Practical Reporting with Ruby and Rails em written by David Berube Apress ISBN ISBN 159 59933 ....
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Tracking Expenditures with PayPal

Posted: April 7th, 2010, 7:00am MDT

If you conduct a lot of business through PayPal this article can help you use reporting with Ruby-on-Rails to save you time and make your accounts more orgainzed. It is excerpted from chapter seven of the book em Practical Reporting with Ruby on Rails em written by David Berube Apress ISBN 159 59933 ....
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Adding Text Indentation to Style Code Blocks with CSS

Posted: April 6th, 2010, 7:00am MDT

In this concluding article to a seven-part series on styling code blocks with CSS I ll show you how to finish the example we ve been working with by adding predefined indentation to make the code more readable....
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Decorating Line Numbers in Code Blocks Styled with CSS

Posted: April 5th, 2010, 7:00am MDT

In this penultimate part of the series I demonstrate how easy it is to add a gutter and a zebra background effect to an online code fragment by using a single background image. You can edit and modify the image to suit your own requirements. The possibilities are endless....
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Tracking Auctions with eBay

Posted: April 2nd, 2010, 7:00am MDT

If you do a substantial amount of selling on eBay and would like to get a better feeling for how you re doing and how to improve it building reports with Ruby-on-Rails can help. This article explains how. It is excerpted from chapter 6 of the book em Practical Reporting with Ruby and Rails em written by David Berube Apress ISBN 159 59933 ....
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Changing the Color of Code Lines with CSS

Posted: April 1st, 2010, 7:00am MDT

In this fifth part of a seven-part series I demonstrate how to enhance the visual presentation of a code fragment in a web page by assigning a high-contrast color to its lines. Since the fragment is also housed inside an ordered list generating its line numbers is an automated process that the browser does naturally. That means less work for you ...
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Using Ordered Lists to Style Code Blocks with CSS

Posted: March 31st, 2010, 7:00am MDT

In this fourth part of a seven-part series on styling code blocks with CSS I explain how to enhance the visual presentation of code blocks on web pages by using something as simple as an ordered HTML list. This approach permits you to automatically generate line numbers which makes code fragments much more readable....
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Using a Zebra Background Effect to Style Code Blocks with CSS

Posted: March 30th, 2010, 7:00am MDT

In this third part of a seven-part series on styling code blocks I demonstrate how to add an engaging zebra background effect to a PHP fragment included in a web page. This background effect improves its readability. As you ll see the process is very similar to assigning background images to other HTML elements so you shouldn t have major trouble implementing this effect in your own website....
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Video Memory Programming in Text Mode

Posted: March 29th, 2010, 7:00am MDT

Nowadays we take so many things for granted. This isn t necessarily a bad thing as knowing that performing a certain task will usually yield the same result can be a blessing. Nevertheless some basic knowledge of how a thing gets done lets you better understand the world in which we live. Therefore today I invite anyone who likes to code in any of the popular languages to see how a word gets printed out on the console screen....
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Building Reports Accessible from the Internet

Posted: March 26th, 2010, 7:00am MDT

In this second part of a two-part series we ll finish creating reports that can be accessed via the Internet. This article is excerpted from chapter 5 of the book em Practical Reporting with Ruby and Rails em written by David Berube Apress ISBN 159 59933 ....
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Connecting Your Reports to the World

Posted: March 25th, 2010, 7:00am MDT

Creating reports that can be viewed on the desktop is good creating reports that can be viewed over the Internet is even better. This article will explain how to make reports written with Ruby-on-Rails accessible over the web. It is excerpted from chapter 5 of the book em Practical Reporting with Ruby and Rails em written by David Berube Apress ISBN 159 59933 . This article is the first part of a two-part series....
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GUIs and More for Desktop Reports

Posted: March 24th, 2010, 7:00am MDT

In this second part to a two-part series on creating reports on the desktop with Ruby-on-Rails you ll learn how to create GUIs with Ruby and take a look at a sample report. It is excerpted from chapter four of the book em Practical Reporting with Ruby and Rails em written by David Berube Apress ISBN 159 59933 ....
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Creating Reports on the Desktop

Posted: March 23rd, 2010, 7:00am MDT

You may know how create a report in Ruby using the Active Record but that s only half the battle. Reports aren t any good if the users they re intended for can t read them. This article will explain how to adjust reports so that they re more user-friendly to their intended audience. It is excerpted from chapter four of the book em Practical Reporting with Ruby and Rails em written by David Berube Apress ISBN 159 59933 ....
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Displaying Rounded Corners Built with CSS3 in a Wider Range of Browsers

Posted: March 22nd, 2010, 7:00am MDT

Welcome to the last part of a five-part series that explains how to build rounded corners with CSS3. In this part you ll learn how to use two properties discussed in previous articles in the series together. In this way a wider variety of browsers will render your rounded corners correctly....
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Building Rounded Corners with CSS3`s -webkit-border-radius Property

Posted: March 19th, 2010, 7:00am MDT

In this penultimate part of the series I demonstrate how to build an engaging rounded corner effect on WebKit-based browsers via the custom -webkit-border-radius property. The entire styling process is very simple so you shouldn t have major problems implementing it within your own web pages....
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Using the Custom -moz-border-radius Property to Build Rounded Corners with CSS3

Posted: March 18th, 2010, 7:00am MDT

In this third installment of a five-part series I discuss how to easily create rounded corners with CSS3 using the proprietary -moz-border-radius property. This property will work only on Mozilla-based browsers and the example you re about to see should be treated as an introduction that hopefully will give you a clearer idea of how this effect will be rendered by CSS3-compatible browsers....
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Using CSS3`s Border-Radius Property to Build Rounded Corners

Posted: March 17th, 2010, 7:00am MDT

In this second part of a five-part series I show you how to build rounded corners on a web page by using the border-radius CSS3 property. This method creates this effect with no background images and can also be customized. The method s major drawback is that most current browsers don t support the property which is quite frustrating from a practical point of view....
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Calculating Statistics with Active Record

Posted: March 16th, 2010, 7:00am MDT

If you ve done any database work you know that many of them have built-in features that let you reach the data and sometimes even analyze it. This article will show you how to perform two tasks using Ruby s Active Record. It is excerpted from chapter two of the book em Practical Reporting with Ruby and Rails em written by David Berube Apress ISBN 159 59933 ....
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Creating Graphs with Ruby

Posted: March 15th, 2010, 7:00am MDT

If you ve ever had to format your data as charts or graphs you know what a hassle it can be -- but you also know how important it is for those trying to get the big picture. This article will show you how to use Gruff a Ruby-based graphing library to make this common job easier. It is excerpted from chapter three of the book em Practical Reporting with Ruby and Rails em written by David Berube Apress ISBN 159 59933 ....
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Adding Semantic Meaning to Styled Code Blocks with Code Tags

Posted: March 12th, 2010, 7:00am MST

In this second part of a series you will learn not only how to make your online code snippets look more professional and readable by using a few simple CSS styles but how to semantically reflect their inclusion in a web page via a couple of lt code gt tags. This is a remarkable breakthrough that leads to writing standard-compliant markup....
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Styling Code blocks with CSS: Using pre HTML Tags

Posted: March 11th, 2010, 7:00am MST

In this first part of a series you will learn how to improve the look and readability of code snippets in web pages thanks to the use of something as simple as a pair of lt pre gt tags and some CSS styles. This approach does a decent job of styling online code blocks....
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Building Rounded Corners with CSS3

Posted: March 10th, 2010, 7:00am MST

In this first part of a series I provide you with a friendly introduction to building rounded corners with CSS3. In this initial stage I show you how to create this popular decorative effect on web pages using four different background images which were assigned to the same HTML container. This technique is impossible with current CSS methods....
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Finishing a Casual Navigation Bar with CSS Sprites

Posted: March 9th, 2010, 7:00am MST

If you re interested in learning how to use CSS sprites to create engaging standard-compliant navigational mechanisms that can be used on different web sites with minor modifications you ve come to the right place. Welcome to the final installment of a seven-part series that shows you how to build CSS sprite-based navigation bars. This series walks you through the progressive development of a couple of appealing links bars which use a single background image to define the visual presentation of their sections....
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Defining a Navigation Bar`s Hover State with CSS Sprites

Posted: March 8th, 2010, 7:00am MST

In this penultimate part of the series I show how to use the previous CSS sprite background image to define the look of a casual artistic blog navigation bar in its hover state. The simple styling process shouldn t give you any major problems when you use this approach to build a navigation bar for your own websites....
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Styling a Blog`s Links Bar with CSS Sprites

Posted: March 5th, 2010, 7:00am MST

In this fifth article of a seven-part series I demonstrate how to use a set of CSS sprites to define the visual style corresponding to the normal state of a navigation bar of a fictional blog site. The most complex facet of this process was to create the background image containing the corresponding sprites the rest of the procedure merely involves manipulating the image s X and Y coordinates via CSS....
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Creating an Artistic Blog Header with CSS Sprites

Posted: March 4th, 2010, 7:00am MST

In this fourth part of a seven-part series I build the header section of a sample blog site. It will use another set of CSS sprites -- or in other words a different background image -- to decorate the sections comprising its navigation bar....
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Defining the Active State of Menu Sections for a CSS Sprite-Based Navigation Bar

Posted: March 3rd, 2010, 7:00am MST

In this third part of a series I put the final touches on our sample navigation bar which uses the functionality of CSS sprites to define the visual presentation of the normal hover and active states of its sections. Constructing a graphic user interface like this is a two-step process. First one creates a good-looking background image and then tweaks its X and Y coordinates via CSS....
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Styling the Hover State of a CSS Sprite-Based Navigation Bar

Posted: March 2nd, 2010, 7:00am MST

In this second part of a series I show you how to use CSS sprites to create the visual style corresponding to the hover state of each section of the sample navigation bar. You will see that this process relies heavily on manipulating the X and Y coordinates of the bar s background image. This requires doing some math but nothing especially complicated....
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Using jQuery to Preload Images with CSS and JavaScript

Posted: March 1st, 2010, 7:00am MST

If you re a web designer searching for a guide to implementing the most common graphic preloading methods available nowadays then you ve come to the right place. This five-part article series lets you accomplish this task by utilizing either a few basic style sheet properties or the functionality provided by client-side scripting. In this fifth part of the series we ll employ the jQuery JavaScript library to assist in preloading our images....
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Building CSS Sprite-Based Navigation Bars

Posted: February 26th, 2010, 7:00am MST

In this first part of a series we ll start building a stylish navigation bar which uses a combination of image replacement and CSS sprites to define the visual presentation of its sections. The resulting bar will have a clean professional look that would be at home on any corporate web site....
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Callbacks and the Active Record

Posted: February 25th, 2010, 7:00am MST

In this conclusion to a five-part series that delves into the Rails framework s Active Record you ll finish learning about validations and take a look at callbacks. This article is excerpted from chapter five of the book em Beginning Rails From Novice to Professional em written by Jeffrey Allan Hardy Cloves Carneiro Jr. and Hampton Catlin Apress ISBN 159 596862 ....
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Validation and the Active Record

Posted: February 24th, 2010, 7:00am MST

In this fourth part of a five-part series that delves deeply into the Active Record of the Rails framework we ll wrap up our discussion from the previous part and then move on to take a look at applying validations. This article is excerpted from chapter five of the book em Beginning Rails From Novice to Professional em written by Jeffrey Allan Hardy Cloves Carneiro Jr. and Hampton Catlin Apress ISBN 159 596862 ....
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Arrays, Associations and the Active Record

Posted: February 23rd, 2010, 7:00am MST

In this third part of a five-part series that delves into Rail s Active Record you ll learn how to handle many-to-many associations use an array and more. This article is excerpted from chapter five of the book em Beginning Rails From Novice to Professional em written by Jeffrey Allan Hardy Cloves Carneiro Jr. and Hampton Catlin Apress ISBN 159 596862 ....
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Using Client-Side Scripting to Preload Images with CSS and JavaScript

Posted: February 22nd, 2010, 7:00am MST

In this fourth part of a series I demonstrate that preloading a group of images with JavaScript is an easy-to-master process especially if you already have an intermediate background in manipulating the DOM via client-side scripting. Note that the biggest drawback to the approach is its dependence on JavaScript to do its thing you should keep this in mind when implementing this type of image preloading mechanism on your own web pages....
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Removing Non-Semantic Markup when Preloading Images with CSS and JavaScript

Posted: February 19th, 2010, 7:00am MST

In this third part of a series you will learn how to preload a set of images via CSS without the need to write any additional markup or even deal with empty containers. From all the approaches reviewed so far I personally find this one to be the cleanest and simplest to implement so you may want to put it in your toolbox if you re planning to add an effective preloading mechanism to your website....
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Using the Display CSS Property to Preload Images with CSS and JavaScript

Posted: February 18th, 2010, 7:00am MST

In this second part of a series I show you how to implement another primitive CSS-based method that allows you to preload a set of images on a web page. This technique uses the display CSS property to hide the preloaders. Note that it needs to make use of additional and non-semantic markup. If you think you can live happily with this issue then feel free to give it a try....
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Associations and Dependencies with Active Record

Posted: February 17th, 2010, 7:00am MST

In this second part of a five-part series that delves deeply into the Active Record of Rails you will learn about associations and dependencies. This article is excerpted from chapter five of the book em Beginning Rails From Novice to Professional em written by Jeffrey Allan Hardy Cloves Carneiro Jr. and Hampton Catlin Apress ISBN 159 596862 ....
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Advanced Active Record: Enhancing Your Models

Posted: February 16th, 2010, 7:00am MST

If you re ready to go beyond the basics of the Active Record on Rails this five-part series is for you. You ll learn how to use it to enhance your models. This article is excerpted from chapter five of the book em Beginning Rails From Novice to Professional em written by Jeffrey Allan Hardy Cloves Carneiro Jr. and Hampton Catlin Apress ISBN 159 596862 ....
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Preloading Images with CSS and JavaScript

Posted: February 12th, 2010, 7:00am MST

While this principle is well known among web developers and designers it s worth repeating never assume that a web site s users will wait patiently for its contents to be delivered. In a world where data must be rendered to the consumer as fast as possible making this assumption can literally kill any web project regardless of its size. This multi-part series will show you how to speed up the loading of images on a web site....
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Scaling and Moving Web Page Elements with the GX JavaScript Animation Framework

Posted: February 11th, 2010, 7:00am MST

Welcome to the final installment of a series introducing the GX JavaScript animation framework. This series gets you started using the most relevant features that come bundled with this powerful jQuery plug-in and backs up the theoretical concepts with numerous easy-to follow code samples....
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Fading, Hiding and Sliding HTML Elements with the GX JavaScript Animation Framework

Posted: February 10th, 2010, 7:00am MST

In this penultimate part of the series I introduce you to using some extra methods provided by the GX library that come in useful for performing various operations. These include fading in and fading out slides and even manipulating the visibility of web page elements. All of these animation tasks can be accomplished very easily....
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Toggling CSS Properties with the GX JavaScript Animation Framework

Posted: February 9th, 2010, 7:00am MST

In this ninth episode of the series I provide you with some comprehensive examples that show how to toggle different properties of a sample div by using the core gx method of the GX library. As with many tasks the GX JavaScript animation framework can be made to perform toggling animations is a very simple process....
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Cancel, Queue and Pause Animations with the GX JavaScript Animation Framework

Posted: February 8th, 2010, 7:00am MST

In this eighth part of a series I discuss how to cancel pause and resume animations with the GX JavaScript library. You ll see that performing these tasks as with many of the tricks you can make the GX library do is a straightforward process....
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Producing Elastic Effects with the GX JavaScript Animation Framework

Posted: February 5th, 2010, 7:00am MST

In this seventh part of a series I develop a couple of examples that show how to create elastic animations by tweaking the easing argument taken by the familiar gx method of the GX library. The use of this parameter was covered in earlier chapters when I explained the implementation of bouncing animations so I think that understanding how to put it to work for you should be a pretty painless experience....
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Load Balancing Databases with Rails

Posted: February 4th, 2010, 7:00am MST

In this conclusion to a five-part series on databases and Ruby-on-Rails you ll learn how a number of databases handle load balancing and high availability issues. This article is excerpted from chapter four of the book em Advanced Rails em written by Brad Ediger O Reilly ISBN 59651 322 .Copyright 2 8 O Reilly Media Inc. All rights reserved. Used with permission from the publisher. Available from booksellers or direct from O Reilly Media....
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More Advanced Database Features and Rails

Posted: February 3rd, 2010, 7:00am MST

In this fourth part of a five-part series on databases and Ruby-on-Rails you will learn how and when to handle triggers rules and stored procedures how to connect to multiple databases and more. This article is excerpted from chapter four of the book em Advanced Rails em written by Brad Ediger O Reilly ISBN 59651 322 .Copyright 2 8 O Reilly Media Inc. All rights reserved. Used with permission from the publisher. Available from booksellers or direct from O Reilly Media....
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Handling Advanced Database Features with Rails

Posted: February 2nd, 2010, 7:00am MST

In this third part of a five-part series on databases and Ruby-on-Rails you will learn how to add upload progress notification you ll also learn how to handle some database features. This article is excerpted from chapter four of the book em Advanced Rails em written by Brad Ediger O Reilly ISBN 59651 322 .Copyright 2 8 O Reilly Media Inc. All rights reserved. Used with permission from the publisher. Available from booksellers or direct from O Reilly Media....
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Managing Database Files with Ruby on Rails

Posted: February 1st, 2010, 7:00am MST

In this second part of a five-part series on databases and Ruby-on-Rails you ll learn about filesystem storage managing uploads in Rails and more. It is excerpted from chapter four of the book em Advanced Rails em written by Brad Ediger O Reilly ISBN 59651 322 .Copyright 2 8 O Reilly Media Inc. All rights reserved. Used with permission from the publisher. Available from booksellers or direct from O Reilly Media....
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Databases and Ruby on Rails

Posted: January 29th, 2010, 7:00am MST

Ruby-on-Rails supports more database management systems than just MySQL these days. This five-part series will take a look at the other systems and tell you what you need to know to choose which one to use and help you manage whichever one you choose . It is excerpted from chapter four of the book em Advanced Rails em written by Brad Ediger O Reilly ISBN 59651 322 .Copyright 2 8 O Reilly Media Inc. All rights reserved. Used with permission from the publisher. Available from booksellers or direct from O Reilly Media....
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Moving Divs Diagonally with the GX JavaScript Animation Framework

Posted: January 28th, 2010, 7:00am MST

In this sixth part of a series I explain how to use the GX JavaScript animation library for animating at the same time the left and top properties of a simple div. This process is fairly straightforward meaning that you shouldn t have major problems implementing it on your own web pages....
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Moving Elements Vertically and Horizontally with the GX JavaScript Animation Framework

Posted: January 27th, 2010, 7:00am MST

In this fifth part of a series on the GX animation library I develop a couple of basic examples that demonstrate how to move a div either vertically or horizontally. You ll see that it s a simple process of manipulating the div s top and left properties....
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Making Bouncing Effects in Parallel with the GX JavaScript Animation Framework

Posted: January 26th, 2010, 7:00am MST

In this fourth installment of a series I provide you with some friendly examples that show how to use the GX library for creating an appealing bouncing effect when performing parallel animations on a target div. The process is extremely simple so you shouldn t have major trouble if you need to implement this kind of effect on your own web pages....
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Developing Flash Websites with Wix

Posted: January 25th, 2010, 7:00am MST

Professional flash website design and development is expensive. In some website development packages it can cost as much as 6 to get a fully functional flash website. However thanks to Wix you can completely design your own flash websites for free. Not only is it free to design the site but you can really upload it and have it as your own fully-functional flash website on your own domain ...
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Creating Bouncing Effects with the GX JavaScript Animation Framework

Posted: January 22nd, 2010, 7:00am MST

In this third part of a series of articles on the GX JavaScript animation framework you ll learn how to add bouncing effects to simple divs. You ll be surprised at how easy it is to do....
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Manipulating Background Colors with the GX JavaScript Animation Framework

Posted: January 21st, 2010, 7:00am MST

In this second installment of a series I take a deeper look at a few more features provided by the GX library. Specifically I show how to use them for performing parallel animations that include changing the width height and background color of a sample div....
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The GX JS Animation Framework

Posted: January 20th, 2010, 7:00am MST

If you re looking for something better than Flash for building animations for your web site keep reading. In this first part of a series I demonstrate how to perform basic animation on a single HTML element using the GX JavaScript library. This framework offers an easy learning curve which permits developers to create nice visual effects on web pages via a friendly API. If you ve worked with jQuery to add behavior to your websites then using GX will be even simpler....
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Dealing with Loose Coupling in a Service-Oriented Architecture

Posted: January 19th, 2010, 7:00am MST

In this conclusion to a two-part article series on loose coupling in SOA we wrap up our discussion of the forms of loose coupling and explain how to handle its complexity. This article is excerpted from chapter four of the book em SOA in Practice The Art of Distributed System Design em written by Nicolai Josuttis O Reilly 2 8 ISBN 596529554 . Copyright 2 8 O Reilly Media Inc. All rights reserved. Used with permission from the publisher. Available from booksellers or direct from O Reilly Media....
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Loose Coupling in a Service-Oriented Architecture

Posted: January 15th, 2010, 7:00am MST

If you re looking for an introduction to one of the key concepts behind building a service-oriented architecture SOA you ve come to the right place. This two-part article explains why loose coupling is important to SOA the forms of loose coupling and how to deal with it. It is excerpted from chapter four of the book em SOA in Practice The Art of Distributed System Design em written by Nicolai Josuttis O Reilly 2 8 ISBN 596529554 . Copyright 2 8 O Reilly Media Inc. All rights reserved. Used with permission from the publisher. Available from booksellers or direct from O Reilly Media....
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Updating and Deleting with the Active Record

Posted: January 14th, 2010, 7:00am MST

In this conclusion to a three-part series on the Rails framework s Active Record you ll learn how to use dynamic finders update and delete records and more. This article is excerpted from chapter four of the book em Beginning Rails From Novice to Professional em written by Jeffrey Allan Hardy Cloves Carneiro Jr. and Hampton Catlin Apress ISBN 159 596862 ....
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Rails Active Record and CRUD Functions

Posted: January 13th, 2010, 7:00am MST

In this second part of a three-part article series on the Active Record of Rails you ll learn the basics such as the create read update and delete functions. This article is excerpted from chapter four of the book em Beginning Rails From Novice to Professional em written by Jeffrey Allan Hardy Cloves Carneiro Jr. and Hampton Catlin Apress ISBN 159 596862 ....
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Working with a Database: Active Record

Posted: January 12th, 2010, 7:00am MST

If you re interested in learning more about the Rails framework keep reading. This three-part article series takes an in-depth look at one of its more important aspects the Active Record. This article is excerpted from chapter four of the book em Beginning Rails From Novice to Professional em written by Jeffrey Allan Hardy Cloves Carneiro Jr. and Hampton Catlin Apress ISBN 159 596862 ....
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Creating Framed Pictures with CSS

Posted: January 11th, 2010, 7:00am MST

Welcome to the conclusion of a three-part article series that shows you how to decorate images with CSS. In this part I m going to extend the background picture technique I showed you in the previous part to create a very professional-looking frame around an image....
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Using a CSS Shading Effect to Decorate Images

Posted: January 8th, 2010, 7:00am MST

In this second part of a three-part series I implement a simple CSS approach that enhances the appearance of a given image by assigning to it an additional background graphic. The purpose in this case is to add a soft shadow to the targeted image. It s quite possible however to use the same technique to achieve more creative results....
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Decorating Images with CSS

Posted: January 7th, 2010, 7:00am MST

If you want a web site with images that make it stand out from the crowd keep reading. This three-part article series will show you how to give your images a professional look without resorting to Photoshop. All you ll need is some basic CSS. In this first part you ll learn how to use slim borders and padding to achieve a picture frame effect....
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Developers Using Government Data to Create Useful Apps

Posted: January 6th, 2010, 7:00am MST

This is the age of the Internet where information is king and if you happen to be a crafty driven entrepreneur you can find a way to make money off of the public and private exchange of any and all information. Essentially it s how bloggers become celebrities Perez Hilton and websites become lucrative FaceBook . Unbeknown to them the United States government has recently made this kind of endeavor all the easier for those seeking to monetize what to some people may be nothing more than a bunch of boring city stats....
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Hello HTML 5, Goodbye Gears

Posted: January 5th, 2010, 7:00am MST

The promise of HTML 5 brings with it widespread ramifications. Not the least of these is its effect on Google products. If you use Google Gears and especially if you re thinking about using Google s new Chrome OS when it comes out you need to keep reading....
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Debug Ajax-Generated Tags in Firefox

Posted: January 4th, 2010, 7:00am MST

If you re looking for a better way to look at a web page s code than View- gt Page Source keep reading. This short article will show you how it s done. It is excerpted from the book em Ajax Hacks em written by Bruce W. Perry O Reilly ISBN 5961 1694 . Copyright 2 8 O Reilly Media Inc. All rights reserved. Used with permission from the publisher. Available from booksellers or direct from O Reilly Media....
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Building a Page Controller with the jQuery Quick Pagination Plug-in

Posted: December 31st, 2009, 7:00am MST

Welcome to the final installment of the series that introduces you to the jQuery Quick Pagination plug-in. Comprised of five parts this series takes an in-depth look at the most useful features provided by this jQuery add-on and shows you how to use it either for splitting up hard-coded HTML elements such as paragraphs and images in chunks of readable data or for paginating sets of database records....
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Paginating Database Records with the jQuery Quick Pagination Plug-in

Posted: December 30th, 2009, 7:00am MST

In this fourth part of a five-part series I start developing a basic database-driven web application that displays a list of fictional users fetched from a MySQL table. The application is capable of generating a couple of static sections of a web page including the typical header and footer sections....
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Finishing a Drop-Down Menu with the Hover CSS Pseudoclass

Posted: December 29th, 2009, 7:00am MST

In the last few months hover CSS pseudo-classes have gone through a rebirth process that allows us to evaluate their actual functionality from a new and fresh point of view. This article series shows you how to unlock their potential. In this last part of the four-part series we ll finish building the drop-down menu that we began in the previous part....
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Paginating Images with the jQuery Quick Pagination Plug-in

Posted: December 28th, 2009, 7:00am MST

In this third part of a series on the jQuery Quick Pagination plug-in I show you how to use it to paginate a set of sample images. The process is very similar to paginating paragraphs with the plug-in so you shouldn t have major difficulties performing the same task with other HTML elements....
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Creating a Drop-Down Menu with the Hover CSS Pseudoclass

Posted: December 23rd, 2009, 7:00am MST

In this penultimate part of a four-part series you will learn how to use the hover CSS pseudo-class to build a fully-functional CSS-based drop-down menu. The process is fairly straightforward so you shouldn t have trouble using this technique when developing navigation bars for your own websites....
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Hiding the Page Counter with the jQuery Quick Pagination Plug-in

Posted: December 22nd, 2009, 7:00am MST

In this second article in a three-part series I discuss how to use the Quick Pagination jQuery plug-in for paginating a group of sample HTML paragraphs. In this case the page counter provided by default was hidden from display which shows how easy it is to customize the plug-in s behavior by playing around with its incoming arguments....
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Building CSS-based Tooltips with the Hover Pseudoclass

Posted: December 21st, 2009, 7:00am MST

In this second installment of a four-part series I demonstrate how easy it is to build a basic tooltip using only the functionality provided by the hover CSS pseudo classes. The technique you ll see here will work with newer versions of IE Firefox Google Chrome and other browsers....
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Introducing the Quick Pagination jQuery Plug-in

Posted: December 18th, 2009, 7:00am MST

In this first part of a three-part series I provide you with a brief introduction to using the main features offered by the Quick Pagination jQuery plug-in. You ll appreciate many of its features particularly its flat learning curve....
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Rediscover the Hover CSS Pseudo-Class

Posted: December 17th, 2009, 7:00am MST

In this introductory article in a four-part series I provide you with an elementary but illustrative example that shows how to use the hover CSS pseudo-class for highlighting different sections of an X HTML document....
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Langridge`s Image Replaceement Technique: A Final Look

Posted: December 16th, 2009, 7:00am MST

Welcome to the final part of a 12-part series on image replacement techniques. By means of a strong hands-on approach this series helps you start using these methods so you can add a fresh appealing look to different text-based elements of your web pages without having to sacrifice the cleanness of their structural markup....
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Using the Padding-Top CSS Property with H2 Headers for Image Replacement

Posted: December 15th, 2009, 7:00am MST

In this penultimate installment of the series I demonstrate how to apply Langridge s image replacement method to all of the H2 headers of a trivial XHTML document. The inner workings of this approach are very easy to grasp so you shouldn t have major problems using it within your own web pages....
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More on Variables, Functions, and Flow Control

Posted: December 14th, 2009, 7:00am MST

In this second part of a two-part series you ll learn how to delay a function call handle script errors gracefully and more. It is excerpted from chapter 4 of the em JavaScript DHTML Cookbook Second Edition em written by Danny Goodman O Reilly 2 8 ISBN 596514 85 . Copyright 2 8 O Reilly Media Inc. All rights reserved. Used with permission from the publisher. Available from booksellers or direct from O Reilly Media....
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Variables, Functions, and Flow Control

Posted: December 11th, 2009, 7:00am MST

This two-part series offers a mix of JavaScript tricks to help you with your everyday projects. It is excerpted from chapter 4 of the em JavaScript DHTML Cookbook Second Edition em written by Danny Goodman O Reilly 2 8 ISBN 596514 85 . Copyright 2 8 O Reilly Media Inc. All rights reserved. Used with permission from the publisher. Available from booksellers or direct from O Reilly Media....
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Using the Padding-Top CSS Property for Image Replacement

Posted: December 10th, 2009, 7:00am MST

In this tenth part of the series I show you how to start using the image replacement method created by Stuart Langridge. It uses the padding-top CSS property to mask the text of the targeted web page element while keeping its background image visible....
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Using Fahrner`s Improved Image Replacement Method with Hyperlinks

Posted: December 9th, 2009, 7:00am MST

In this ninth part of the series I show how to implement the improved version of Fahrner s image replacement method for polishing the visual presentation of some lt a gt elements. The whole styling process is very straightforward so you should easily be able to apply it when creating your own web pages....
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Using Empty Span Tags with H2 Headers for Image Replacement

Posted: December 8th, 2009, 7:00am MST

In this eighth installment of a series on image replacement techniques you ll learn how to use Fahrner s enhanced image replacement method for styling all of the H2 elements included in a sample web document. This method uses two empty lt span gt tags in a clever way which permits you to efficiently solve the problem caused by broken background images....
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The MVC Pattern in the Rails Framework

Posted: December 7th, 2009, 7:00am MST

In this conclusion to a three-part series on the Rails framework you ll learn how it utilizes the model-view-controller pattern and how that pattern works. This article is excerpted from chapter one of the book em Beginning Rails From Novice to Professional em written by Jeffery Allan Hardy Cloves Carneiro Jr. and Hampton Catlin Apress 2 8 ISBN 159 596862 ....
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Advantages of the Rails Framework

Posted: December 4th, 2009, 7:00am MST

In this second part of a three-part series introducing the Rails framework you ll learn some of the advantages of working with Rails as well as its central tenets. It is excerpted from chapter one of the book em Beginning Rails From Novice to Professional em written by Jeffery Allan Hardy Cloves Carneiro Jr. and Hampton Catlin Apress 2 8 ISBN 159 596862 ....
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Introducing the Rails Framework

Posted: December 3rd, 2009, 7:00am MST

If you ve been looking for a good overview on Rails look no further. This three-part series will help you understand this popular framework. It is excerpted from chapter one of the book em Beginning Rails From Novice to Professional em written by Jeffery Allan Hardy Cloves Carneiro Jr. and Hampton Catlin Apress 2 8 ISBN 159 596862 ....
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Image Replacement with Empty Span Tags

Posted: December 2nd, 2009, 7:00am MST

In this seventh part of a series that explains image replacement techniques I show you how to use the enhanced version of Todd Fahrner s method. It uses two empty lt span gt elements to perform the image replacement process thus efficiently addressing the problem that arises when the background image assigned to the targeted web page element isn t downloaded properly by the browser....
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Wrapping Hyperlinks with Span Tags for Image Replacement

Posted: December 1st, 2009, 7:00am MST

In this sixth part of a multi-part series on CSS-based image replacement techniques I demonstrate with some easy-to-follow code samples how to apply Fahrner s image replacement technique to a group of web page links to make them look slightly more appealing....
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Spanning H2 Elements for Image Replacement

Posted: November 30th, 2009, 7:00am MST

Welcome to the fifth part of a six-part series on CSS-based image replacement techniques. In this part you ll learn how to use Todd Fahrner s image replacement method with all of the H2 elements of a basic web page....
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Using Span Tags for Image Replacement

Posted: November 25th, 2009, 7:00am MST

In this fourth part of a six-part series on image replacement I explore a CSS-based image replacement method originally created by Todd Fahrner. It bases its functionality on using a couple of extra lt span gt tags to hide the text wrapped by a targeted web page element while keeping its background image visible....
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Assigning Negative Indentation to Hyperlinks for Image Replacement

Posted: November 24th, 2009, 7:00am MST

In this third part of a six-part series on image replacement techniques I demonstrate how easy it is to apply the image replacement method developed by Mike Rundle simultaneously to H1 H2 and lt a gt elements on the same XHTML page....
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Indenting H2 Elements as a CSS Image Replacement Technique

Posted: November 23rd, 2009, 7:00am MST

In this second part of a six-part series on image replacement techniques I demonstrate how to use the technique you learned in the previous part on all of the H2 headers contained in a sample web document. This technique is fairly straightforward so you shouldn t have any major problems using it within your own web pages....
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Image Replacement CSS Techniques

Posted: November 20th, 2009, 7:00am MST

Image replacement is a useful approach for solving certain web design problems. In this first article of a series that examines this technique we take a closer look at an image replacement approach that relies on assigning a large negative value to the text-indent CSS property to hide the text wrapped by a web page element thus unmasking its background image....
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Using BlueTrip`s Success, Notice and Error CSS Classes

Posted: November 19th, 2009, 7:00am MST

Welcome to the final installment of a series on the BlueTrip CSS framework. Made up of seven comprehensive tutorials this series shows you how to master the main CSS classes that come bundled with BlueTrip through a decent variety of code samples....
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More Uses for the Thin and Caps CSS Classes in BlueTrip

Posted: November 18th, 2009, 7:00am MST

In this sixth part of a seven-part series on the BlueTrip CSS framework you will learn how to assign the thin and caps CSS classes to H2 and H3 elements of a web page. The use of these classes makes the elements look more elegant and visually appealing....
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Styling Definition Lists with the BlueTrip CSS Framework

Posted: November 17th, 2009, 7:00am MST

Welcome to the fifth part of a seven-part series on the BlueTrip CSS framework. In this part you ll learn how to style definition lists with BlueTrip and how to assign its default fancy CSS classes to a few H2 and H3 headers. You ll see that this flexible framework allows you to apply different styles to web page elements in a quick and simple manner....
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Styling Unordered and Ordered HTML Lists with BlueTrip

Posted: November 16th, 2009, 7:00am MST

Welcome to the fourth part of a seven-part series on the BlueTrip CSS framework. In this part I explain how to use the framework s default styles to enhance the visual appearance of both ordered and unordered HTML lists. This is an easy and straightforward process....
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Using the BlueTrip CSS Framework`s Thin and Caps Classes

Posted: November 13th, 2009, 7:00am MST

In this third installment of a series on the BlueTrip CSS framework I discuss the usage of the thin and caps CSS classes that come with it. These classes can be really useful for adding a more elegant touch to HTML headers lists and so forth....
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Adding Borders to Web Page Columns with BlueTrip CSS

Posted: November 12th, 2009, 7:00am MST

In this second part of a series introducing the BlueTrip CSS framework I show you how to use some handy CSS classes that come with it to add borders to the columns of a web page and create truly fancy H2 headers....
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Introducing the BlueTrip CSS Framework

Posted: November 11th, 2009, 7:00am MST

If you re looking for a good CSS framework for CSS beginners look no further. This multi-part series introduces you to the BlueTrip CSS framework. In this first part I will explain how to develop a basic web page design by using the core CSS classes provided by the framework. As you ll soon see this process is quite straightforward even if you currently don t have a strong CSS background....
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Comparing Fields and Customizing Error Messages with jQuery`s Validator Plug-in

Posted: November 10th, 2009, 7:00am MST

Welcome to the final installment of the series that shows you how to check online forms with the Validator jQuery plug-in. Made up of seven tutorials this series explores the most useful features that come packaged with this library and shows you how to use them for performing strict validation on your own HTML forms....
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Checking Numbers and File Extensions with jQuery`s Validator Plug-in

Posted: November 9th, 2009, 7:00am MST

In this sixth part of a seven-part series on the jQuery framework s Validator plug-in I discuss the use of the number and accept options. They allow you to validate both numeric data and file extensions in online forms with remarkable ease....

Validating Digits and Dates with jQuery`s Validator Plug-in

Posted: November 6th, 2009, 7:00am MST

In this fifth installment of a seven-part series on the jQuery JavaScript framework s Validator plug-in I introduce the digits and date options. They re very useful for verifying that specified fields of a targeted form contain numeric values and valid dates....
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Validating Ranges, Emails, and URLs with jQuery`s Validator Plug-in

Posted: November 5th, 2009, 7:00am MST

In this fourth part of a seven-part series on the jQuery Validator plug-in I explain how to use the range email and url options provided for checking numeric ranges URLs and email addresses. Using these arguments is an intuitive process that can be learned in a very short time....
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More Uses for the jQuery Tooltip Plug-in`s bodyHandler Option

Posted: November 4th, 2009, 7:00am MST

Welcome to the final installment of a series on the jQuery Tooltip plug-in. In seven approachable tutorials this series shows you how to use this powerful JavaScript application to create all sorts of eye-popping tooltips for your web page links. This will make them much more accessible and usable to your potential visitors....
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Building Image-Based Tooltips with the jQuery Tooltip Plug-in

Posted: November 3rd, 2009, 7:00am MST

In this sixth part of a seven-part series on using the jQuery Tooltip plug-in I demonstrate how the bodyHandler argument can be used to display image-based tooltips. I also show how to customize their behavior by adding and removing options within the tooltip method....
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Using the jQuery Tooltip Plug-in`s bodyHandler Argument

Posted: November 2nd, 2009, 7:00am MST

In this fifth installment of a seven-part series on the jQuery Tooltip plug-in I discuss the use of the bodyHandler argument. It can be really useful for injecting HTML code into tooltips thus altering their default visual appearance and behavior....
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Using Rangelength, Min and Max with the Validator jQuery Plug-in

Posted: October 30th, 2009, 7:00am MDT

When it comes to validating web forms in the client one of the most effective and elegant applications that can be used nowadays is the Validator jQuery plug-in. It s a compact and powerful piece of software written by J rn Zaefferer that allows you to check data collected through online forms with ease in a truly unobtrusive way....
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Using Minlength and Maxlength with the Validator jQuery Plug-in

Posted: October 29th, 2009, 7:00am MDT

If you don t know how to make your web site check web forms in the client it s time you learned about the Validator jQuery plug-in. It s a compact and powerful application based on the popular jQuery library that will let you perform all sorts of clever validations on online forms in a truly no-brainer fashion without spending endless hours coding complex JavaScript checking functions to check user-supplied data. This is the second part of a seven-part series that examines this plug-in in detail....
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Modifying Tooltip Coordinates with the jQuery Tooltip Plug-in

Posted: October 28th, 2009, 7:00am MDT

If you re a web designer who wants to learn how to take advantage of the features packaged with the jQuery Tooltip plug-in to enhance the behavior of your web pages links then this series of comprehensive articles might be what you re looking for. In this part you ll learn how to use the handy top and left parameters that come with the plug-in to modify the default coordinates at which tooltips are displayed next to the targeted links....
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Applying a Fade Out Effect with the jQuery Tooltip Plug-in

Posted: October 27th, 2009, 7:00am MDT

Welcome to the third part of a seven-part series on using the jQuery Tooltip plug-in. In this article you ll learn how to use the plug-in from this versatile JavaScript framework to create a very cool fadeout effect. It will give your tooltips a more professional appearance....
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Tracking Mouse Movements with the jQuery Tooltip Plug-in

Posted: October 26th, 2009, 7:00am MDT

In this second installment of a seven-part series focused on the jQuery Tooltip plug-in I demonstrate how to customize its behavior and appearance. First I discuss the use of the track parameter which makes tooltips follow mouse movements and then I show how to work with the showURL argument to prevent href attributes from being displayed within the tooltip....
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Checking Online Forms with the Validator jQuery Plug-in

Posted: October 23rd, 2009, 7:00am MDT

If you consider form validation applications to be the kind of coding you least look forward to keep reading. Thanks to the Validator jQuery plug-in validating form input from users just got a lot easier. This seven-part series will show you the ways you can use the plug-in to help you build form validation scripts much faster than you may have thought possible....
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Nested JavaScript Functions as Objects

Posted: October 22nd, 2009, 7:00am MDT

In this conclusion to a three-part series on nesting JavaScript functions we see how nested functions can be used as object types. We shall make it simple. We shall consider only the case where there is only one level of nested functions....
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The jQuery Tooltip Plug-in

Posted: October 21st, 2009, 7:00am MDT

The popular jQuery JavaScript framework is not only useful on its own it also boasts a growing list of plug-ins that come in handy for a variety of purposes. This seven-part article series focuses on just one of those plug-ins the jQuery Tooltip. This versatile application can give your site visitors helpful information and make your site more dynamic....
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Active Client Pages at the Server

Posted: October 20th, 2009, 7:00am MDT

Active Client Pages produce web pages at the client computer using web technology. The programming analysis logic and calculations of the data for the pages are done at the client. The data to create the pages resides on the server. So what is the role of the server That is what this article addresses. You need basic knowledge of JavaScript and Perl to understand it....
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ACP Tab Web Page

Posted: October 19th, 2009, 7:00am MDT

A tab web page is a perfect candidate for the technology of Active Client Pages ACP . It s a web page with buttons at the top. When you click a button all the HTML content below the line of buttons changes. It is as if each button has a page hidden in it. ACP makes loading those pages go much more quickly....
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Finishing a Slide Show Application with jQuery

Posted: October 16th, 2009, 7:00am MDT

In the preceding article of this series I demonstrated how to take advantage of the jQuery JavaScript library s functionality to develop a simple slide show which used the Ajax module bundled with jQuery as its driving engine. In this part we ll finish the application....
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Scope of Variables and Arguments in Nested JavaScript Functions

Posted: October 15th, 2009, 7:00am MDT

In this part of the series we shall look at the scope of variables and arguments in nested functions. We shall see whether the outer function can use the variables and arguments of the inner functions and vice versa. We shall also see how many levels downward or upward this can be done....
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Properties and Methods of Custom 2D JavaScript Arrays

Posted: October 14th, 2009, 7:00am MDT

This is part two of a series that discusses custom 2D JavaScript arrays. In this part of the series we see how to develop the properties and methods of our custom 2D array....
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Finishing a Collapsible Navigation Bar with CSS and JavaScript

Posted: October 13th, 2009, 7:00am MDT

Welcome to the final tutorial of a series on building a dynamic navigation bar with CSS and JavaScript. This series of articles steps you through the development of a dynamic navigational system. We use the combined functionality of the popular Prototype and Scriptaculous JavaScript libraries without compromising overall accessibility....
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Creating User-Defined JavaScript Objects, Properties and Methods

Posted: October 9th, 2009, 7:00am MDT

Did you know that the user could create his own objects properties and methods This is the third and last part of a series on adding and deleting JavaScript properties and methods. First we shall see how to add and delete properties and methods at run time. After that I will show you the privilege that JavaScript gives to the user....
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Building a Slide Show with jQuery

Posted: October 8th, 2009, 7:00am MDT

In this first tutorial in a two-part series I will explain how to build a basic slide show by using the Ajax module included with the increasingly popular jQuery JavaScript framework. As you ll see the use of the handy .ajax method makes this process very simple....
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Nesting JavaScript Functions

Posted: October 7th, 2009, 7:00am MDT

If you are a C C programmer then you are not used to nesting functions. In JavaScript you can have one function inside another. In this three-part series I answer the following questions can you call a nested function from outside the outermost function Can a nested function call an outer function What is the scope within nested functions I will also show you how to pass arguments between nested functions and look at the relationship between nested functions and the JavaScript object....
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A Custom 2D JavaScript Array

Posted: October 6th, 2009, 7:00am MDT

If you do not like the normal way of creating a two-dimensional array for any particular reason then this article is for you. Let me emphasize here that there s already a strong and growing need to make web pages active. So you need to start thinking about writing a custom two-dimensional JavaScript array. You will see how easy it is to do this....
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Creating a Scrolling Navigation Bar Effect with CSS and JavaScript

Posted: October 5th, 2009, 7:00am MDT

Welcome to the third part of a four-part series that shows you how to build collapsible navigation bars with CSS and JavaScript. In this part you ll learn how to combine the functionality of the Prototype and Scriptaculous libraries to construct a pretty useful scrolling navigational bar....
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Deleting JavaScript Properties and Methods

Posted: October 2nd, 2009, 7:00am MDT

Welcome to the second part of a three-part series on adding and deleting JavaScript properties and methods. In this part of the series we learn how to delete properties and methods. Before we get into that let us see how to add properties and methods to objects instances ....
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Replacing and Spliting JavaScript Sub Strings

Posted: October 1st, 2009, 7:00am MDT

In this second part of a two-part series on JavaScript String regular expressions I look at multiline matching how to replace matched sub-strings and how to split an available string using a regular expression object. Before we do that let us look at the String way of extracting matches and then compare it with that of the RegExp object....
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Using the jQuery Library`s Animation Effects

Posted: September 30th, 2009, 7:00am MDT

Welcome to the conclusion of an eight-part series that introduces the jQuery JavaScript library. This versatile library lets you build robust client-side applications very rapidly thanks in part to an extremely friendly programming interface. In this article you ll learn how to use the library to build some excellent animation effects....
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Comparing Browser Response to Active Client Pages

Posted: September 29th, 2009, 7:00am MDT

In this part of the series we look at the actual response of browsers to the technology of Active Client Pages. I shall also give you some recommendations for how to use Active Client Pages. This is the fifth and last part of the series....
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Building Collapsible Navigation Bars with the Prototype Library

Posted: September 28th, 2009, 7:00am MDT

Welcome to the second part of a four-part series on creating collapsible navigation bars with CSS and JavaScript. In this installment I explain how to create a simple navigation bar that can be hidden and displayed alternately. We ll use the Prototype and Scriptaculous JavaScript libraries to achieve this effect....
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Adding and Deleting JavaScript Properties and Methods

Posted: September 25th, 2009, 7:00am MDT

Did you know that after you have written the code for a JavaScript object you could still add properties and methods to the object at run time Did you know that the user can add properties and methods to a JavaScript object In this three part series I show you how to add JavaScript properties and methods at compile and at run time....
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JavaScript String Regular Expressions

Posted: September 24th, 2009, 7:00am MDT

The regular expression object in JavaScript has the test and exec methods for regular expression problems. This object is called RegExp. The JavaScript String object has the match search replace and split methods for regular expression problems. The string object methods are actually better and easier to apply than the RegExp object methods. This two-part series takes a look at what you can do with them....
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Ajax and the JQuery JavaScript Library

Posted: September 23rd, 2009, 7:00am MDT

Welcome to the seventh part of a series introducing the jQuery JavaScript library. Made up of eight comprehensive articles this series provides you with the right pointers to get started using this JavaScript software so you can take advantage of its remarkable functionality....
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Testing Browser Response to Active Client Pages

Posted: September 22nd, 2009, 7:00am MDT

Welcome to the fourth part of a five-part series that shows how browsers respond to Active Client Pages. In this part we complete the code for the simple example to be used to test the response of browsers to Active Client Pages and then we look at the features in the example that we shall use to assess the browsers....

Collapsible Navigation Bars with CSS and JavaScript

Posted: September 21st, 2009, 7:00am MDT

In this first part of a four-part series I will show you how to build a dynamic navigation bar that can be turned on and off by means of a simple switcher. This small web application will combine some JavaScript code a few CSS styles and basic markup....
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Wrapping Up Chrys`s Approach to Active Client Pages

Posted: September 18th, 2009, 7:00am MDT

In this last part of a 12-part series we get the conclusion to Chrys s Approach to Active Client Pages. Before the conclusion we shall look at a simple example. We ll also talk briefly about HTML documents and explain which browsers work well with ACP and which ones do not....
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Creating Table Rulers with the jQuery JavaScript Library

Posted: September 17th, 2009, 7:00am MDT

Welcome to the final installment of a series on creating table rulers with CSS and JavaScript. Comprised of four approachable tutorials this series demonstrates how to build a table ruler by means of several approaches ranging from utilizing CSS and JavaScript separately to using a balanced combination of them....
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Adding and Removing CSS Classes with the jQuery JavaScript Library

Posted: September 16th, 2009, 7:00am MDT

Welcome to the sixth article in a series that introduces the jQuery JavaScript library. Composed of eight approachable tutorials this series steps you through using the most relevant methods included with the jQuery framework complementing theory with numerous illustrative hands-on examples....
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Active Client Pages: Completing the Code for a Browser Example

Posted: September 15th, 2009, 7:00am MDT

The aim of this five-part series is to show to what extent a major browser responds to ACP. ACP is a new technology. In order to understand how a browser responds we need an example to use to test the browser. We need to understand the example first. In this third part of the series I complete the explanation of the example....
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Building Warning and Error Boxes with the Ext JS Library

Posted: September 14th, 2009, 7:00am MDT

Welcome to the final installment of a five-part series that explains how to build cool message windows with the Ext JS library. This series steps you through creating several interactive message boxes using the Ext JS JavaScript framework which can speed up the development of rich Internet applications....
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Questions and Answers on Chrys`s Approach to Active Client Pages

Posted: September 11th, 2009, 7:00am MDT

In this eleventh part of a twelve-part series on active client pages ACP I give you more factors that gave rise to the Window Phase of Chrys s Approach. We continue with the questions and answers more or less from where we left off last time....
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Making Table Rulers Work with Multiple Tables

Posted: September 10th, 2009, 7:00am MDT

A table ruler is a helpful mechanism that allows the user to highlight sections of a selected HTML table every time the mouse is placed over each of its rows. Naturally this simple rollover effect permits users to keep track of the row currently being viewed in this way increasing the table s overall usability. This is the third article in a four-part series on creating table rulers....
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Focusing and Blurring Elements with the jQuery JavaScript Library

Posted: September 9th, 2009, 7:00am MDT

If you re a web designer who s looking for a JavaScript library that lets you develop powerful client-side applications by using a friendly programming interface then I have great news for you. This series of articles gets you started using the most relevant features that comes packaged with the jQuery JavaScript framework. You ll be able to get the most out of this useful piece of software in a very short time. This is the fifth article in an eight-part series....
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ACP and Browsers: Setting up an Example

Posted: September 8th, 2009, 7:00am MDT

In this and the next part of this five-part series we look at the code for a simple example of Active Client Pages that uses Chrys s Approach. We shall use this example to demonstrate how browsers respond to ACP. This example was described in the previous part of the series. To save time and writing space I will not repeat the description here....
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Active Client Pages: DOM Roots of the Window Phase

Posted: September 4th, 2009, 7:00am MDT

In this tenth part of a twelve-part series on Chrys s approach to Active Client Pages we look at the factors that gave rise to the window phase. If you want to better understand this technology that allows your web pages to at least appear to load more quickly for your visitors keep reading....
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Creating JavaScript-Based Table Rulers

Posted: September 3rd, 2009, 7:00am MDT

Welcome to the second chapter of a series that shows you how to create table rulers with CSS and JavaScript. This series provides you with a bunch of useful pointers that hopefully will get you started incorporating appealing table rulers into your own web sites with only minor hassles....
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More Mouse and Keyboard Events with the jQuery JavaScript Library

Posted: September 2nd, 2009, 7:00am MDT

Welcome to the fourth article in an eight-part series on the jQuery JavaScript library. In this part I will walk you through using a pair of brand new methods provided by the library for processing some additional keyboard-related actions such as keydown and keyup events....
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How Browsers Respond to Active Client Pages

Posted: September 1st, 2009, 7:00am MDT

In this article I will show you how browsers respond to Active Client Pages. In particular we will focus on the question of whether different browsers respond to all the features of Active Client Pages as they should. Recall that browsers do not implement all the features in the HTML JavaScript and DOM specifications. So we need to ask this question....
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Developing Information and Question Boxes with the Ext JS Library

Posted: August 31st, 2009, 7:00am MDT

Welcome to the fourth article in a five-part series on building message boxes with the Ext JS framework. In this part of the series I demonstrate how to create a couple of message boxes for displaying quick information and different questions to users of a web site....
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The Window Phase of Chrys`s Approach to ACP

Posted: August 28th, 2009, 7:00am MDT

The Window Phase of Chrys s Approach to ACP is similar to the Document Phase. However instead of having HTML documents pages opened within one browser window you open both browser windows. This is the ninth part of a twelve-part series on Active Client Pages....
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Creating Table Rulers

Posted: August 27th, 2009, 7:00am MDT

Welcome to the first part of a multi-part series on building a table ruler for your HTML tables. In this part you ll learn what a table ruler is why you might want one for your tables and how to construct a simple one with CSS and JavaScript....
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Handling Mouse Overs and Keyboard Events with the jQuery JavaScript Library

Posted: August 26th, 2009, 7:00am MDT

Welcome to the third part of an eight-part series introducing the jQuery JavaScript library. This series provides you with a quick overview of the most important features that come packaged with the jQuery JavaScript framework. You ll learn how to manipulate web pages via the DOM handle different mouse and keyboard events develop Ajax applications and create eye-popping effects....
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Adobe ColdFusion Just Got More RAD

Posted: August 25th, 2009, 7:00am MDT

ColdFusion has always focused on making difficult things easy and with the new features and tools announced for its public beta on July 13 2 9 Adobe seems set to deliver on that goal in a variety of different ways. Keep reading for a close look at how this beta will help simplify the lives of ColdFusion programmers....
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Constructing Alert Boxes and Wait Bars with the Ext JS Library

Posted: August 24th, 2009, 7:00am MDT

Welcome to the third part of a five-part series on building message boxes with the Ext JS framework. In this installment of the series I will walk you through creating an appealing alert box and a useful wait bar by utilizing a few intuitive JavaScript classes bundled with the library. You ll find the task to be easy to tackle....
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Active Client Pages: Summary of the Document Phase of Chrys`s Approach

Posted: August 21st, 2009, 7:00am MDT

In this part of the series I give you a summary of the Document Phase of my approach to Active Client Pages. In order to help you better understand this phase I need to explain two other approaches to ACP. When I finish that we will proceed to the next phase. It may seem a little complicated this is after all the eighth part of a 12-part series but by the time we re done you ll understand a number of ways to make your pages load faster over a slow Internet connection even when they re full of images....
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Completing a Tree with Active Client Pages

Posted: August 20th, 2009, 7:00am MDT

Welcome to the second part of a two-part series on building a tree with Active Client Pages. In this part we will use the example of a museum s web site to take a close look at the code for a session. We ll see how the tree facilitates project development....
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Handling Mouse Events with the jQuery JavaScript Library

Posted: August 19th, 2009, 7:00am MDT

Welcome to the second part of a multi-part series that introduces you to the jQuery JavaScript library. In this article I will provide you with a quick overview of how to handle the mouseup and mousemove events with the jQuery package....
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HTML Form Verification and ACP

Posted: August 18th, 2009, 7:00am MDT

HTML form verification is a good candidate for Active Client Pages ACP . After a user has filled in an HTML form you may want to present a new page to him showing all of the information he has typed in the form. This new page is the verification page. In this article I show you how to use the technology of Active Client Pages to produce the verification page at the client not from the server as the present state of the art depicts....
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Creating Confirm Boxes and Progress Bars with the Ext JS Library

Posted: August 17th, 2009, 7:00am MDT

Welcome to the second article in a five-part series that shows you how to build cool message windows with the Ext JS library. In this article you will learn how to build a professional-looking progress bar and an improved confirm box. You ll find that constructing these user interface components with this library is quite easy....
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An Example Image Gallery with Chrys`s Approach to ACP

Posted: August 14th, 2009, 7:00am MDT

This is the seventh part of my series Active Client Pages Chrys s Approach. In this part of the series we look at how the Document Phase can help us with images. You need good knowledge of HTML JavaScript and Perl in order to understand this part of the series....
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Building an ACP Tree

Posted: August 13th, 2009, 7:00am MDT

In this two-part series I show you how a tree can be used to facilitate your ACP projects. You need basic knowledge of HTML JavaScript and Perl in order to understand this series....
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Introducing the jQuery JavaScript Library

Posted: August 12th, 2009, 7:00am MDT

Welcome to the first part of a seven-part series on the jQuery JavaScript library. In this article I will provide you with a quick overview of how to use the library including its helpful function and the ready method. The jQuery library allows you to build unobtrusive client-side applications with only minor effort and its syntax is simple to grasp....
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Completing an ACP 3D HTML Table Image Gallery

Posted: August 11th, 2009, 7:00am MDT

Welcome to the second part of a two-part series that explains how to set up a three-dimensional HTML image gallery using Active Client Pages ACP . In this part of the series among other things we ll get a close look at the JavaScript that helps to keep things running smoothly....
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Building Message Windows with the Ext JS Library

Posted: August 10th, 2009, 7:00am MDT

Third-party packages present you with many options for building rich web-based user interfaces. They can be used to fit a broad range of requirements. You may even have used such packages as the Yahoo User Interface and the Scriptaculous DHTML framework. But there s a new library worth looking into. It s called Ext JS. We ll take a close look at how it can help us build user interfaces in this five-part series....

Active Client Pages: Simple Document Phase Example Continued

Posted: August 7th, 2009, 7:00am MDT

In this sixth part of a twelve-part series on Active Client Pages ACP we complete the simple example that illustrates the Document phase of Chrys s Approach. You need good knowledge of HTML JavaScript and Perl to understand this part of the series....
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