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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Dev Articles - Programming Help and Tutorials for all development technologies
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Using Ordered Lists to Style Code Blocks with CSS
Posted: March 31st, 2010, 7:00am MDT
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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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