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Dev Shed - The Open Source Web Development Site

SAP Takes Steps to Improve Hadoop Integration

Posted: May 24th, 2012, 7:25pm MDT

The highlight of SAP's array of announcements at the SAPPHIRE NOW conference was its declaration of new and improved big data integration capabilities with Hadoop environments. Such capabilities are set to be released with service pack 4 of the SAP HANA platform, and will be specifically delivered via the company's SAP Data Services and SAP Information Steward software offerings. With the move, SAP believes that SAP Data Services and SAP Information Steward will combine to give both business and IT customers an innovative solution that offers data integration, text data processing, data quali...

Dev Articles - Programming Help and Tutorials for all development technologies

An Overview of JavaScript Operators

Posted: May 23rd, 2012, 10:00pm MDT

There is a wide variety of operators within JavaScript that are useful in performing different functions. If you are new to JavaScript, learning about the different types of operators and how they work is an essential building block that you will use as you continue to advance your skills. With that being said, let's begin our tutorial by first taking a look at two basic categories of operators in JavaScript in the form of assignment operators and arithmetic operators. Once you get a decent understanding of these two topics, we will move on to discuss comparison operators and logical operat...

Dev Shed - The Open Source Web Development Site

App Developers Offer Thoughts on Windows Phone Platform

Posted: May 23rd, 2012, 7:21am MDT

Tech partners Microsoft and Nokia received some much needed praise with the recent release of the Nokia Lumia 900 smartphone. Viewed as a vehicle to help generate interest in the Windows Phone platform, the Lumia 900 was successful in its efforts. Still, the appeal of Windows Phone remains minimal when compared to competing platforms, and one of the main culprits is its lackluster app selection. As it stands, the Windows Phone Marketplace features a catalog of approximately 80,000 apps. While that number may sound impressive, it is not, especially when you consider that Apple and Google boa...

Dev Articles - Programming Help and Tutorials for all development technologies

Report: HTML5 Mobile Performance Lags

Posted: May 22nd, 2012, 10:00pm MDT

HTML5 has become a very hot topic in the tech industry, and many development gurus have touted the technology as the wave of the future due to the way in which it enables developers to create applications that can be deployed to a wide variety of devices and browsers. While the praise for HTML5 certainly has merit, a new study released by Spaceport.io dubbed the PerfMarks II Report reveals that HTML5 gaming performance on mobile devices has a long way to go if it wants to catch up with performance on laptops. To achieve the results of its PerfMarks II Report, Spaceport.io tested smartphones a...

Dev Shed - The Open Source Web Development Site

MySQL: Overview of the ALTER TABLE Statement

Posted: May 17th, 2012, 10:11am MDT

In the past, we showed you just how easy it is to create a table in MySQL. Tables are an essential building block in MySQL that help to form and sculpt the overall structure of your database. We noted that once you have created a database, the time comes when you need to determine what type of structure you want it to have. In other words, a few questions come to mind, such as what specific tables do you want your database to have? What type of information do you want each of these tables to store? Also, what columns do you want each of your tables to have? These are just some questions ...

Dev Articles - Programming Help and Tutorials for all development technologies

CSS: Margins Overview

Posted: May 16th, 2012, 10:00pm MDT

If you are new to CSS (Cascading Style Sheets), you have a lot of ground to cover. Luckily, CSS is designed in a way that is easy to learn, and the fact that it can help you save a lot of work makes it well worth learning. One of the topics that should receive some of your attention while learning CSS is the topic of margins. As you work with CSS, the likelihood of you having to use and adjust margins is quite high, so this article will give you a basic introduction to margins and how you can implement them in your upcoming projects. Before we get into the use and implementation of margins,...

Dev Shed - The Open Source Web Development Site

Integrating MailChimp with Joomla: List Management

Posted: May 15th, 2012, 8:30am MDT

The JoomlaMailer Signup Plugin The JoomlaMailer plugin allows core Joomla! features and third-party extensions (Community Builder and JomSocial) to automatically subscribe users to one of your MailChimp lists. In other words, when a new user registers at your Joomla! website, the user will be automatically subscribed to the selected list. This plugin does not need to be enabled for proper function of JoomlaMailer. To enable the plugin, navigate to Extensions - gt; Plugin Manager, then click System - joomlamailer MailChimp Signup. Select Yes next to Enabled to enable the plugin. In the Newslet...

Dev Articles - Programming Help and Tutorials for all development technologies

Overview of JavaScript Variables

Posted: May 14th, 2012, 10:00pm MDT

What is a JavaScript Variable? If you are completely new to working with JavaScript, you may find it difficult to understand at first. As with any learning process, you have to start with the basics. This is especially true with programming and the like, because each language can be thought of as its own little universe complete with unique terms, rules, and more. So, when discussing variables in JavaScript, it probably helps to compare them to other parts of life. Before we do that, let us describe what variables are. One of the most basic ways to describe a variable in JavaScript is to...

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App Promo Survey Displays Developer Struggles

Posted: May 10th, 2012, 9:04am MDT

To come up with the data for its First Annual Developer Survey, App Promo collected opinions from over 100 qualified app developer participants between April 4 and April 23, 2012. While the survey provided plenty of interesting feedback from its participants, perhaps its most eye opening finding was the fact that 59 percent of developers said their most successful app failed to generate the revenue necessary to break even with their investment into the project. Add to that the 80 percent who said that they could not support a standalone business with the revenue generated from their top app,...
Lists and Arguments in Perl

Posted: May 8th, 2012, 9:00am MDT

Lists Are One Dimensional Recall that all lists and all arrays are one dimensional. If we have this list: (@a, @b) it becomes a one-dimensional list containing the contents of @a followed by the contents of @b . This is an important rule when it comes to passing arrays into functions, since they will be passed in as a one-dimensional list. This is illustrated in the following example: #!/usr/bin/perl -w # passarrays.pl use strict; my(@nums1, @nums2); @nums1 = (2, 4, 6); @nums2 = (8, 10, 12); process_arrays(@nums1, @nums2); sub process_arrays This program creates two 3-element ar...
Variables and Arguments in Perl

Posted: May 2nd, 2012, 9:30am MDT

Lexical Variables (aka Local Variables) The range of effect that a variable has is called its scope, and lexical variables declared with my() are said to have lexical scope. This is also known as local scope. That is, they exist from the point where they're declared until the end of the enclosing block. The name lexical comes from the fact that they're confined to a well-defined chunk of text. my $x; $x = 30; print $x; # This $x is, and always has been, 30. Great. We can now use variables in our subroutines in the knowledge that we're not going to upset any behavior outside them. Let...

Dev Articles - Programming Help and Tutorials for all development technologies

The Top HTML5 Audio Players

Posted: May 2nd, 2012, 9:00am MDT

HTML5 has certainly made a name for itself and has managed to overshadow the previously ubiquitous technology known as Flash. While you usually hear about HTML5's impressive capabilities when it comes to video, it has solid audio capabilities as well. To show you how those capabilities have been put to use, this article will list some of the top HTML5 audio players around. As you search on your own you will likely find more audio players, but this list will give you a sneak peek as to what is out there. MediaElement.js MediaElement.js offers both audio and video playing capability via pure...

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MySQL: How to Use the GRANT Statement

Posted: April 30th, 2012, 10:31am MDT

When working with MySQL, there will probably come times when you need to grant privileges to certain user accounts. This task is executed using the appropriately named GRANT statement. In addition to the statement's ability to grant user privileges, the GRANT statement functions as a way to declare specific characteristics related to an account. Among these are any limits when it comes to accessing certain server resources, as well as the use of secure connections, just to name a couple. Before using the GRANT statement to assign privileges to user accounts, you should know that you will ne...
Integrating MailChimp with Joomla: Building a Subscriber List

Posted: April 26th, 2012, 8:00am MDT

Creating a Subscriber List Before you can use JoomlaMailer to its full potential, you will need to create a subscriber list. At the time of this writing, it is not possible to create lists using JoomlaMailer; therefore, you will need to create lists through MailChimp. Click the Lists link in your MailChimp dashboard. Since this tutorial will show you how to create the list, there is no need to watch the video unless you really want to. Click the Create Your First List link. Enter in the required information. Choose a descriptive list name--one which accurately describes the specific use for ...
Apptopia Market Helps Developers Recoup Investments

Posted: April 25th, 2012, 7:51am MDT

As the mobile market has taken off in popularity with consumers around the world, so has the app universe. Newer smartphones are truly impressive with all the functionality they can provide, but when you combine them with some highly useful or entertaining apps, that functionality becomes even better. With this being the case, more and more consumers are flocking to purchase smartphones. The increase in demand for smartphones that is putting them into the hands of a wider audience has in turn boosted the need for apps. Many developers currently in the app race and those looking to enter hop...

Dev Articles - Programming Help and Tutorials for all development technologies

More of the Top jQuery Social Plugins

Posted: April 24th, 2012, 10:00pm MDT

This is not the first time we have discussed the top jQuery plugins that can help you maximize your site's presence through the omnipresent power of social networking. Like jQuery plugins in other areas, there are many of the social networking variety that currently reside on the Web. To give you even more to choose from, here are more of the top jQuery social plugins. Hovercard Hovercard is a lightweight jQuery plugin that stresses simplicity and a clean look. It does this by displaying information once a visitor hovers their cursor over a label, link, or other HTML element. This plugin w...

Dev Shed - The Open Source Web Development Site

Understanding Scope and Packages in Perl

Posted: April 23rd, 2012, 8:30am MDT

Understanding Scope It's now time to have a look at what we're doing when we declare a variable with my() . The truth, as we've briefly glimpsed it, is that Perl has two types of variable. One type is the global variable (or package variable), which can be accessed anywhere in the program, and the second type is the lexical variable (or local variable), which we declare with my() . Global Variables All variables in the program are global by default. Consider this code: #!/usr/bin/perl -w $x = 10; $x is a global variable. It is available in every subroutine in the program. For instance, ...

Dev Articles - Programming Help and Tutorials for all development technologies

Top CSS3 Button Tutorials

Posted: April 22nd, 2012, 10:00pm MDT

No matter what site you are on, you will probably see some type of button on it. Buttons are integral parts of website navigation that help customers submit data, move from place to place, and more. While buttons can be simple in appearance, you can use CSS3 to make them stand out and give your visitors a more visually stimulating experience. After all, if you can figure out how to maximize the appearance of your site's buttons, why not do it? Of course, that is where the trouble may come in for some that are new to CSS3. Luckily, there are several tutorials available on the Web that focus...

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Is Fragmentation a Plus for App Developers?

Posted: April 18th, 2012, 8:13am MDT

It is easy to see why fragmentation and the diversity of all the smartphones hitting the market under different operating systems can seem like a huge obstacle to app developers. While Apple's iOS and Google's Android platforms are by far the most popular in the app race, BlackBerry and Windows Phone also have certain characteristics that may appeal to some who are interested in creating apps for consumption. So, with four different major platforms open for development, how does a single app developer or a firm tackle such diversity? Not only is each platform different in many ways, but yo...

Dev Articles - Programming Help and Tutorials for all development technologies

The Top jQuery Social Plugins

Posted: April 17th, 2012, 10:00pm MDT

Whether in the online or real world, it seems as if social networking is everywhere now. Sites like Facebook and Twitter have become insanely popular with the masses and have even made their way into mainstream media. As is the case, social networking is an extremely powerful tool that you cannot ignore. If you have a new or pre-existing site, you can increase your presence by using social networking to your advantage. One way to do this is through the use of some nifty jQuery plugins that have been developed to make things easier for you. This list will feature some of the top jQuery so...

Dev Shed - The Open Source Web Development Site

MySQL: Creating, Listing, and Removing Databases

Posted: April 17th, 2012, 6:00am MDT

The various topics we are covering in this tutorial are far from advanced. They are as basic as they come, but they are important if you are new to MySQL. With that being said, let us jump into the first part of the tutorial, which is how to create a new database in MySQL. How to Create a Database in MySQL It is rather obvious that if you are planning to work with databases in MySQL, that you must know how to create one first. This, of course, applies if you have no other pre-existing databases to work with and want to begin with a fresh slate. Luckily, creating a database in MySQL is quit...
PHP Array Functions: array_change_key_case

Posted: April 16th, 2012, 6:00am MDT

The array_change_key_case function allows you to manipulate the textual data in an array by transforming it into uppercase or lowercase. Syntax: array_change_key_case(array, CASE_LOWER or CASE_UPPER) The array is the name of the array whose values you wish to convert to upper or lowercase. The parameter CASE_LOWER or CASE_UPPER is used to determine whether or not you are going to convert the values in the array to upper or lower case. Programming Samples and Usage: lt;?php $test = array ( quot;a quot; = gt; quot;Superman quot;, quot;b quot; = gt; quot;Batman quot;, quot;c quot; = gt; qu...

Dev Articles - Programming Help and Tutorials for all development technologies

Top HTML5 Video Tutorials

Posted: April 16th, 2012, 6:00am MDT

Many believe that HTML5 is the wave of the future. Its ability to simplify the development of web applications and increase interoperability has allowed HTML5 to gain a widespread presence across the Web. If you are new to HTML5 or have yet to jump into the technology, you are probably wondering where to begin. After all, learning an entirely new topic is no easy task. Luckily, there are tons of tutorials across the Web that cover various areas of HTML5 development. Many are in text format, but some are in video. For the purpose of this list, we are only including HTML5 tutorials that c...

Dev Shed - The Open Source Web Development Site

Integrating MailChimp with Joomla

Posted: April 12th, 2012, 6:00am MDT

While Joomla! provides enough basic features to run a small website, its robust extension support can be used to develop complex websites capable of serving content to tens of thousands of visitors. When websites become this large, staying in touch with the user base can become a daunting task. One of the best methods for keeping in touch with visitors is through the use of email marketing, or in other words, newsletters. By allowing your users to register and subscribe to your newsletter, you can accomplish several things: You can drive traffic to your website by inviting recipients to read ...
Arguments and Return Values in Perl

Posted: April 11th, 2012, 6:00am MDT

Passing Arguments into Functions As well as being set pieces of code to be executed whenever we need them, we can also use our user-defined functions just like Perl's built-in functions-we can pass arguments (aka parameters) to the subroutine and expect an answer back. Just like with Perl's built-ins, we pass parameters by placing them between the parentheses: my_sub(10,15); What happens to them there? Well, they end up in one of Perl's special variables, the array @_ , and from there we can get at them. We'll illustrate this with a subroutine that takes a list of values, adds them up, a...

Dev Articles - Programming Help and Tutorials for all development technologies

More Top CSS3 Tutorials for Animation and Images

Posted: April 11th, 2012, 6:00am MDT

A Master Class in CSS Animations As you can tell from the title of this tutorial, what you have here is a comprehensive look at CSS animations. It does not teach you one specific CSS technique. Instead, you get a nice overview that is very informative and covers several key topics. Since the tutorial covers multiple topics in the realm of CSS animations, it does take a longer time to complete. Still, if you have one to two hours of free time, use them wisely with a visit here. Only a basic knowledge of HTML and CSS is needed. The tutorial begins with a brief look at previous CSS limitati...

Dev Shed - The Open Source Web Development Site

MySQL: Create, Show, and Describe Database Tables

Posted: April 10th, 2012, 6:00am MDT

You do not have to be a genius to create a table in MySQL. In fact, it is a rather simple process. Once you have your database created, you have plan out and implement its structure. In other words, you must begin to answer some questions, such as what tables do you want your database to have? What information do you want those tables to store? What columns do you want each table to have? Answering these questions can get a little tricky, depending on the data you are working with. You want to be as descriptive as possible with your columns, but you do not want to overdo it. This tuto...
PHP array_combine Function

Posted: April 9th, 2012, 6:00am MDT

This function takes two existing arrays and combines them into one array. Note that the first array must contain the key values that you want, while the second array must contain the values. Syntax: array_combine(name of the first array(keys), name of the second array(values)) Programming Samples and Usage: lt;?php $test = array ( quot;a quot;, quot;b quot;, quot;c quot;); $test2 = array ( quot;Superman quot;, quot;Batman quot;, quot;Sandman quot;); print_r(array_combine($test,$test2)); ? gt; The above code takes the values in the array $test (representing the keys) and combines them wi...

Dev Articles - Programming Help and Tutorials for all development technologies

HTML5: Reasons to Learn and Use It

Posted: April 9th, 2012, 6:00am MDT

If you are a developer that has not yet jumped on the HTML5 bandwagon, you may want to seriously consider doing so. HTML5 has become the technology of choice over the basically defunct Flash, and its future looks extremely bright. Support for HTML5 has grown, and even tech giant Apple has praised it, so you know there must be something special that makes it so appealing. Even Adobe has conceded defeat to HTML5 and has started building new products around the language to help with the transition away from Flash. Many top websites have taken a liking to HTML5 as well, and others are sure to ...

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Juniper Networks: Android App Malware Increasing

Posted: April 5th, 2012, 3:55pm MDT

Security firm Juniper Networks recently released statistics that put the malicious Android app problem on display. While many apps provide extended functionality to Android owners via entertainment, productivity, and more, Juniper reported that the known instances of Android-based malware have skyrocketed on a monthly basis. Virtually all the instances were tied to malicious apps, and the number of detections has grown from 400 in June of last year to a whopping 15,507 in February of this year. Hundreds of thousands of smartphones and other Android devices have been infected so far, and whi...
PHP array_chunk Function

Posted: April 3rd, 2012, 11:20pm MDT

This function takes an existing array and breaks it up into two or more arrays. Syntax: array(array, array size, true/false) The array signifies the array you wish to use. The size is the number of elements that the new arrays will have. The true/false value is technically known as the preserve_key. It is optional and basically dictates whether or not the keys from the originating array are quot;preserved quot; or not. Programming Samples and Usage: lt;?php $test = array ( quot;a quot; = gt; quot;Superman quot;, quot;b quot; = gt; quot;Batman quot;, quot;c quot; = gt; quot;Sandman quot...

Dev Articles - Programming Help and Tutorials for all development technologies

More of the Top jQuery Slider Plugins

Posted: April 3rd, 2012, 10:00pm MDT

RoyalSlider - Touch-Enabled jQuery Image Gallery RoyalSlider is a jQuery slider plugin that is ideal for the plethora of mobile devices with touch-screens that seem to be so popular nowadays. Its list of feature is huge and is highlighted by its touch gesture support for Android, iOS, and other touch devices. Moving on, here is a sampling of some of the features you can look forward to with RoyalSlider: a resizable layout, smart lazy loading, animated captions, a plethora of customizable settings, SEO optimized, move or fade transition for slides, smooth transitions that work well with a w...

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MySQL Data and Table Types

Posted: April 2nd, 2012, 10:56am MDT

Before we jump into the specifics, we should look at why we should go over the topics of MySQL data and table types first. In terms of MySQL data types, knowing how to differentiate between them will help you implement them effectively into your future designs of database tables. As for MySQL table types, knowing how to manipulate all of their variations will come in handy when you want to get the most out of your application's performance. So, now that you have a bit of an introduction to the importance of MySQL data and table types, it is time to break down each topic even further. Let us...
Developer's Losing Interest in Android?

Posted: March 29th, 2012, 7:00am MDT

Research firm IDC and Appcelerator, a mobile development platform vendor, recently released the results of a study where they surveyed over 2,100 app developers to get their opinions on mobile platforms and development. Of the survey's participants, 78.6 percent showed interest in developing apps for Android smartphones during the first quarter of 2012. Although that number is rather high, it's a decrease from the 83.3 percent who said they would participate in Android development in the fourth quarter of 2011 and the 87 percent surveyed during the first quarter of 2011. Mike King, Appcelera...
McAfee Releases Audit Plugin for MySQL Users

Posted: March 28th, 2012, 9:09pm MDT

Ideal for small and medium-sized businesses, but also valuable for larger organizations, the MySQL audit plugin allows users to collect comprehensive activity audits from their databases that offer in-depth detail and help to satisfy audit requirements. The way in which McAfee addresses database security allows the company to provide solutions to organizations that often face troubles when trying to properly secure their databases. McAfee's successful approach is demonstrated in the MySQL audit plugin's full set of features, which begins with total visibility into the status and vulnerabiliti...

Dev Articles - Programming Help and Tutorials for all development technologies

The Top jQuery Slider Plugins

Posted: March 27th, 2012, 10:00pm MDT

Nivo Slider Simply put, Nivo Slider has to be considered as one of the best sliders around. At only 12kb in size, it has plenty to offer in terms of customization and effects. There are 16 unique transition effects in all, so the chance of you finding one to fit your site's needs is high. The plugin comes with three themes, support for linking images, and many adjustable settings. You can add captions for added detail, and customers can make use of keyboard navigation for extra functionality. If you are looking for a jQuery slider that can really add some punch and flair to your images...

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Spring 3.1 Java Development Framework Compatibility Update

Posted: March 26th, 2012, 10:25am MDT

Buy updating compatibility with its Spring 3.1 release, VMWare simplifies the enterprise application development process and allows developers to increase efficiency. Developers can leverage the Spring Framework's power to easily integrate databases, messaging systems, Web services, security models, and more into their applications and deploy them within any Java environment. The framework also simplifies access to vital enterprise data stored not only in conventional databases, but also alternative solutions such as Apache Hadoop and NoSQL. Throw in the inclusion of some new REST enhanceme...

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More of the Top jQuery Plugins for Animation

Posted: March 25th, 2012, 10:00pm MDT

AJAX-ZOOM If you are looking for a plugin that comes equipped with a ton of options and can integrate easily into virtually any type of website, AJAX-ZOOM might be right what the doctor ordered. Described by its creator as a single image zoom and pan viewer, AJAX-ZOOM boasts a list of over 300 options. Its functionality is similar to Google Maps due to the way it employs image tiles to quickly supply a section of the zoomed image. Compatible across all browsers and HTML5-enabled, AJAX-ZOOM is also compatible with mobile touch-screen devices such as the popular iPhone and iPad. The plugin ...

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Looking to Hone Apache Hadoop Skills?

Posted: March 21st, 2012, 7:27pm MDT

Hadoop's popularity has made its way down to IT professionals looking to score top jobs with the proper skills. Luckily, the industry has stepped up to the plate by offering several ways for those eager pros to get the education and training they need to be successful in the world of Hadoop and big data. The big data concept essentially refers to the ability to analyze large volumes of different types of data in real time to allow companies to increase profitability through the identification of trends. It's a topic that is being talked about across many industries in the United States, in...

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More of the Top jQuery Plugins for 2012

Posted: March 21st, 2012, 6:00am MDT

Hovercard No matter what type of site you have, space is precious. You don't want pages that are filled with clutter, but you also don't want to omit important information or data just because you lack space. With the Hovercard jQuery plugin, you can make the most out of page space. Lightweight in nature, Hovercard allows visitors to view related information when they hover over a label, link, or other HTML element. For example, if you have a book preview, you can employ the hover action to occur when the user hovers over the author's name to see additional information. By essentially emb...

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Android Developers Pushed Towards Google Wallet Payment

Posted: March 19th, 2012, 6:00am MDT

Google has used email messages to notify Android developers of its intentions to push a Google Wallet-only strategy. According to Si Shen, founder and CEO of Papaya, an Android-based social gaming network, Google sent an email last August asking her to comply with the company's payment restrictions. Failure to do so would result in having her apps suspended from the former Android Market after 30 days. They told people that if they used other payment services they would be breaking the terms of use, quot; said Shen. Whether it's right or wrong, we have to follow the rules. When Papaya fi...

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More of the Top Tutorials for HTML5 Forms

Posted: March 19th, 2012, 6:00am MDT

HTML5 and CSS3 Envelope Contact Form The form you learn to create here isn't anything extremely complicated, but its look is different. The form is designed to look like an envelope, which is clever since it is a contact form after all. The author begins with the HTML structure, moves on to the HTML5 and the placeholder attribute, and then moves on to the layout. The CSS styling used to create some of the aesthetic attributes of the form includes box shadow and gradient effects. Lastly, the author shows you how to create various buttons to give the form a nice finishing touch. Again, ...

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Google Play Launched to Revive Brand

Posted: March 15th, 2012, 6:00am MDT

According to Jamie Rosenberg, Google's director of digital content, the Google Play transition has already occurred. Although it is abrupt, the packaging of the Android Market, Google eBookstore, and Google Music into a comprehensive service should be a change that is welcomed by many Google consumers with open arms. Rosenberg noted that the creation of Google Play helps to break down the barriers that once separated the company's digital content offerings. Google Play will become a single experience for users. This creates a more powerful experience around Android and also increases oppo...

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CSS Mega Menus: Adding Extra Sections

Posted: March 14th, 2012, 9:30am MDT

To back up this idea, in the first part of this two-part tutorial I implemented a sample mega menu. In that initial incarnation, the mega menu featured only a couple of fictional sections. Even though the sections included just a few common HTML elements, such as some H2 headers, paragraphs and links, they demonstrated how easy it is to semantically define the skeleton of a mega menu. Of course, something that carries the term mega on its shoulders must be huge enough in size to fully honor such a distinction, right? Well, since the first implementation of my example menu was made up of two...

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Oracle`s Communications Service Availability Machine

Posted: March 14th, 2012, 6:00am MDT

By addressing the need for high availability and session integrity, Oracle Communications Service Availability Machine allows NEPs to concentrate their efforts on developing new applications without having to worry about custom building and integrating such capabilities into each application. Thanks to the machine's easy to use development environment and infrastructure, NEPs can enjoy increased efficiency when creating and delivering highly-available applications. In addition, project risk and time-to-revenue are reduced. Another feature that adds to the machine's appeal is that it leverag...
Google Increases Android App Size Limit

Posted: March 13th, 2012, 10:13am MDT

Google's move is a smart one, as developers can now submit beefier apps that are characterized by the need for more local storage. Of course, with the constant stream of new smartphones and tablets hitting the market, increasing the app file size limit was inevitable. New and improved functionalities are being integrated into mobile devices such as dual-core processors, 3D, 4G LTE, and the list goes on. With that being the case, many developers have started creating more robust apps and games to take advantage of the enhanced device capabilities. Still, whether it was inevitable or not, Go...

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Music Streaming: ReverbNation.com

Posted: March 12th, 2012, 10:00pm MDT

Artists As with most parts of ReverbNation.com, the section for Artists offers both free and premium features. Let's begin with the free features first. You can create a profile page that allows you to upload and edit content in the form of biographical information, songs, upcoming shows, and more. Fans can buy tickets to your shows via a site link, and they can also join a mailing list to get updated information. Web Buzz reveals any press, and detailed statistics are included too. A gig finder helps you book shows. Other free highlights include Facebook and Twitter integration, widgets...

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Continuent and SkySQL Form Partnership, Hadoop News

Posted: March 8th, 2012, 9:12am MST

Continuent CEO Robert Hodges commented on the new partnership with SkySQL in the official press release: We are very excited about the opportunity to work with SkySQL, another leader in the MySQL ecosystem. High availability and scaling with automatic resource allocation provide real benefits to database applications of all sizes, and Tungsten Enterprise provides industry leading solutions for database management, continuity and data backup and recovery. We closed our first joint customers in 2011 and look forward to working with SkySQL to solve important data management problems across a wi...

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CSS Mega Menus

Posted: March 7th, 2012, 9:30am MST

With a long and prosperous existence, drop-down menus are one of the most popular user interface elements on the web. Thanks to the support added by Internet Explorer for the :hover CSS pseudo-class for multiple HTML elements a few years ago (you know, not only for lt;a gt; tags), such menus can be implemented in a cross-browser fashion, without using JavaScript (in a nice evolution of the classic suckerfish dropdown). As with many other things in life, though, dropdowns evolved naturally to more complex structures, often composed of multiple nested levels. This evolution, sadly, dramatical...

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ATandT To Charge App Developers, Android Lacks Programmers

Posted: March 7th, 2012, 6:00am MST

AT amp;T's innovative plan was announced in Barcelona, Spain, during the Mobile World Congress and reported by the Wall Street Journal. The service would essentially add a reminder to let customers know that by using the app they are about to download, no data usage would be incurred. John Donovan, AT amp;T's network and technology chief, described the service further, saying, A feature that we're hoping to have out sometime next year is the equivalent of 800 numbers that would say, if you take this app, this app will come without any network usage. The reasons behind the plan benefit mu...
Oracle Releases Exalytics, Taleo Plans

Posted: March 5th, 2012, 9:22am MST

A closer look at Oracle Exalytics reveals an impressive setup highlighted by an Intel Xeon E7-4800 processor with 40 processing cores, Oracle's Sun Fire server with 1TB of RAM, Integrated Lights Out Management, and 40Gb/s InfiniBand and 10Gb/s Ethernet connectivity. By using innovative heuristic adaptive in-memory caching that determines which data is best stored in-memory for optimal performance, Exalytics easily adapts to changing workloads and simplifies the overall management process. Speaking of performance, the press release notes that extensive testing of Oracle Exalytics reveals rel...

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MobileAppWizard Releases HTML5 App Builder

Posted: March 4th, 2012, 10:00pm MST

The New York Times used a 2011 article to describe HTML5 apps as being as visually rich and lively as device specific Apps of the past. Beyond these enriched characteristics that help to stimulate end users, the appeal of such apps comes from the fact that developers can employ HTML5's simplified approach when it comes to code. Thanks to HTML5, the need for additional plugin software is virtually eliminated without having to sacrifice any features or functionality. Whether you're aiming for browser applications or more entertainment related items such as animation, movies, or music, possi...

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Invoking Perl Subroutines and Functions

Posted: February 29th, 2012, 10:00am MST

Invoking a Subroutine The conventional way to invoke a function is to follow the function name with parentheses. This invokes the example_subroutine() function: example_subroutine(); If the function takes arguments (more on passing arguments later in this chapter), then drop them within the parentheses: example_subroutine('Perl is', 'my favorite', $language); Let's look at a complete example. It's traditional for programs to tell you their version and name either when they start up or when you ask them with a special option. It's also convenient to put the code that prints this infor...
Android Slipping in App War versus Apple

Posted: February 28th, 2012, 8:02am MST

Flurry, a company that specializes in the analysis of mobile data, recently released the results of a study that details a potential lapse in Android's app production. When compared to January 2011, last month saw fewer Android apps come to market than their Apple counterparts. For each Android app released, three Apple apps were developed. Just a year ago, the results were more positive for Google, as two Android apps were created for every three Apple apps. Peter Farago, Flurry's VP of marketing, summed up the results by saying, We saw a greater migration to iOS. It's worth mentioning ...

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More of the Top jQuery Plugins for Forms

Posted: February 27th, 2012, 10:00pm MST

jQuery Impromptu jQuery Impromptu is described as a way for you to improve your forms by implementing spontaneous prompts for user input. In essence, it provides a guide for users as they fill out forms and makes for an overall better user experience. Impromptu can be used to replace standard alerts, prompts, or confirmations that you'll usually find in forms. It has quite a few options packed into its feature set, making it a solid jQuery plugin for you to add to your forms arsenal. As for examples of where it could be used, add it to a finance calculator form. If a visitor types in a...
Top jQuery Plugins for 2012

Posted: February 22nd, 2012, 10:00pm MST

Minimit Gallery Plugin Minimit Gallery is a plugin that is intended for more advanced JavaScript programmers. The reason for this is that the animations involved and the gallery's CSS must be coded. With that being said, you can use the plugin to create slideshows, galleries, carousels, and more. There are plenty of customization options that you can tweak to fit your site's needs, and all of the functionality is achieved with less than 10KB. The possibilities offered by Minimit Gallery are extensive. Besides typical slideshows, you can also leverage the plugin's power to create eye-cat...

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Jelastic Java PaaS Availability and Pricing Announced

Posted: February 22nd, 2012, 8:07am MST

Jelastic COO Dmitry Sotnikov discussed the announcement: Since we publicly launched our beta in October last year, pricing and commercial availability have been the most popular questions we were getting from our users. Today we got to the major milestone with our first two partners - ServInt in the US and dogado in Europe - publicly announced commercial availability timeframe as well as revolutionary utility billing approach for the service. This is a major step in accomplishing our vision of zero-lock-in standards-based PaaS available to our users around the world. ServInt COO Christian D...

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Oracle Purchases Taleo to Extend Cloud Computing

Posted: February 21st, 2012, 10:00pm MST

Oracle currently holds the position of being the world's second largest provider of business management software, while SAP is the leading provider of conventional software programs that clients install on their computing systems. Despite its trailing position in the traditional software market, Oracle's cloud computing offerings have grown in recent years thanks to a proactive strategy employed by company CEO Larry Ellison. Oracle purchased RightNow Technologies, a provider of cloud-based customer service software, for $1.5 billion last month. According to Evercore Partners, its current $1....

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Oracle Releases MySQL Cluster 7.2

Posted: February 20th, 2012, 6:00am MST

Customers seeking flexibility get that and more with MySQL Cluster 7.2, as its new Memcached API offers both SQL and NoSQL access. This gives customers the best of both worlds, so to speak, allowing them to conveniently execute key value operations and complex queries all from the same database. Scalability has been enhanced in various ways, beginning with enhanced active/active replication that makes it easier for developers to detect and resolve conflicts across multiple clusters and eliminates the need for timestamp columns in applications. MySQL Cluster 7.2's multi-site clusters allo...
Cloudera Named Enterprise Hadoop Leader

Posted: February 15th, 2012, 8:18am MST

Forrester's report described why it chose Cloudera as the leader in the enterprise Hadoop market: Cloudera is a well-established startup among pure-play vendors in the emerging Hadoop solution market. Its core open source product, Cloudera's Distribution Including Apache Hadoop (CDH), has strong uptake among many early adopters and is popular with cloud/SaaS providers that have built Hadoop-based services. Cloudera has software, cloud/SaaS, and appliance offerings, and a substantial and growing professional services force focused on Hadoop training and consulting. While the free Cloudera Dis...

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More Top jQuery Plugins for Images

Posted: February 14th, 2012, 10:00pm MST

PHP amp; jQuery Image Upload and Crop Placing image uploading and cropping functionality on your site can come in handy in many situations. As visitors upload images to your site, you can expect better traffic and increased participation. The possibilities are virtually endless. This jQuery plugin was created to answer the need for an image upload and crop tool by the authors and the end result is a solid one. The plugin comes equipped with several options that you can tweak to fit your site's needs, and it even offers a preview function to make the feature more user-friendly. Link: ...
CSS3 Accordian Menu: Horizontally Display Hyperlinks

Posted: February 13th, 2012, 10:30am MST

Indeed, things get more complicated when it's necessary to construct a navigation bar (in any of its abundant flavors) that displays some form of animated behavior. In many cases, the process requires you to work with the complexities of raw JavaScript, or to climb the learning curve of one of the many JavaScript libraries available. A good example of such a situation is the development of the so-called accordion menus. There are jQuery plug-ins that allow you to build these popular user interfacing elements quickly and unobtrusively, while leaving the markup clear and pristine. Sometimes, ...

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Apple and Google Battle to Clean Up App Markets

Posted: February 12th, 2012, 10:03pm MST

A post on Touch Arcade, a forum dedicated to gaming and apps for the iOS platform, has caused Apple to release a warning to developers engaged in the practice of artificially inflating their app rankings. One anonymous developer used a Touch Arcade posting to claim that a firm offered him a top 25 App Store ranking in exchange for $5,000. The firm solicited the unnamed developer by showcasing a strong history of top app rankings and even went as far to detail how they achieved such success. The developer wrote: I was totally shocked when I heard that there were eight apps in the top 25 wer...
Subroutines and Functions in Perl

Posted: February 10th, 2012, 6:00am MST

When programming, there will naturally be activities we will want to do again and again: adding up the values in an array, stripping extraneous blank spaces from a string, getting infor mation into a hash in a particular format, and so on. It would be tedious to write out the code for each of these little processes every time we need to use one, and maintaining each code segment would be horrific: if there's a bug in the way we've coded the activity, we'll have to go through and find each one of them and fix it. It would be better if we could define a particular process just once, and then be ...
Oracle Releases Communications Network Integrity 7.1

Posted: February 9th, 2012, 7:54am MST

Described as a modular component within Oracle's Network Resource Management solution, Oracle Communications Network Integrity allows network operators to synchronize and maintain current data in their network inventory systems. The solution also supplies deployment options that are either integrated with Oracle or third-party platforms. Oracle Communications Network Integrity 7.1 comes with several improvements that add to its impressive pre-existing list of features. Version 7.1's enhancements begin with circuit and service assimilation and discrepancy detection capabilities for optical and ...

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More Top jQuery Tutorials for Beginners

Posted: February 8th, 2012, 10:00pm MST

jQuery Tutorial for Beginners The previous tutorial in this list focused on practices, and we said it was different from most. This particular tutorial is exactly the opposite, as the author chose to skip any specific concepts or principles in favor of showing code examples that illustrate the power of jQuery. So, if you are looking to jump right into things without being lectured, this is the tutorial for you. The main value of the tutorial is its format, which lets beginners really immerse themselves into jQuery in as little time as possible. By offering snippets of jQuery's power, you ca...

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Xeround Releases Free Version of MySQL Cloud Database

Posted: February 8th, 2012, 7:52am MST

Xeround Releases Free Version of its Popular Cloud Database for MySQL Applications Xeround, a provider of database software for public and private clouds, recently announced the availability of Xeround FREE, a no-cost edition of its elastic and highly available cloud database solution for MySQL applications. With Xeround FREE, MySQL users can employ the cloud database solution's functionality with ease, as no installation, configuration, or maintenance of a MySQL database in the cloud is required. Regarded as the only true native cloud database, Xeround FREE was developed specifically to avo...
More Top WordPress Plugins for Social Media

Posted: February 6th, 2012, 6:00am MST

Jetpack by WordPress.com Think of Jetpack as a supercharged plugin packed with various features to truly help you maximize your site's potential. While many plugins may offer one simple, yet important piece of functionality, Jetpack offers a ton of them. As for the plugin's social media perks, there's a Twitter Widget that displays a users latest updates. The Gravatar Hovercards feature adds small popups in the comments section that give a sneak peek into user Gravatar profiles. Easier sharing is enabled through WP.me Shortlinks. Want to implement embedding functionality? Jetpack will do...

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CSS Combinators: Working with Child Combinators

Posted: February 6th, 2012, 6:00am MST

If you're constantly in search of newer and more efficient methodologies that permit you to improve the overall quality of your CSS code, then take a peek at combinators. This underrated feature, bundled with the specification for a long time, will let you define the visual presentation of your web page elements by using fewer CSS classes and selectors. In this way, it can help you keep the markup much cleaner and unpolluted. If you've already read the two previous parts of this tutorial, you now have a solid background on how to work with CSS combinators. In those pieces I developed some exam...
HTML5 Boilerplate: Working with jQuery and Modernizr

Posted: February 1st, 2012, 1:00pm MST

Let's face it: developing HTML5 websites that can be rendered consistently across most mainstream browsers is a challenging task (even for experienced developers). The standard is still immature, and many browsers do not support certain features of the specification. It's no surprise that Internet Explorer is the worst offender here. Fortunately, there are a few tools that will help you to make the development process much less painful, trust me. A good example of such a tool is HTML5 Boilerplate. This powerful, full-featured HTML5 template permits you to deal more easily with the aforementio...

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Oracle Announces New MySQL Specialization

Posted: February 1st, 2012, 9:57am MST

The Oracle PartnerNetwork Specialized program supplies partners with a host of resources to help develop, implement, and sell Oracle products. Over time, the program has been enhanced through the addition of Specializations that allow partners to differentiate themselves from competitors once they demonstrate an outstanding level of competency, expertise, and success. Tomas Ulin, Oracle's MySQL VP of engineering, commented on the new specialization: Oracle continues to innovate across the MySQL product family to address the evolving needs of both our end-user and partner community. MySQL co...
Oracle Releases Communications Data Model 11.2.5

Posted: January 31st, 2012, 8:40am MST

Oracle first introduced its Big Data Appliance as well as the NoSQL database at the company's OpenWorld user conference last October. According to analyst David Menninger of Ventana Research, the appliance was created to manage and analyze data sets deemed to be too large for storing in standard databases. The Big Data Appliance boasts a lineup including Sun server hardware (18 Linux-based x86 Sun servers with 216 processor cores, 648TB raw disk storage, 864GB working memory), Oracle NoSQL database, Oracle's Java HotSpot Virtual Machine, and an open-source distribution of R. George Lumpkin, Or...
PHP Closures as View Helpers: Lazy-Loading File Data

Posted: January 30th, 2012, 6:00am MST

As an important part of PHP 5.3's new features, closures have quickly made a mark on the language's field. This is due to their versatile nature, which allows programmers to utilize them in a wide variety of use cases and situations. They not only yield great results when processing array elements in all sorts of clever ways; it's fairly easy to get excellent results with them in the object-oriented programming arena as well. The best way to show you how using anonymous functions can help you to develop more efficient OO applications is with some functional, hands-on examples. With this idea i...

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More Top jQuery Plugins for Menus

Posted: January 30th, 2012, 6:00am MST

jQuery Accordion Image Menu Plugin If you want to know which plugin offers the best looking menus out of this list, the award would have to go to the Accordion Image Menu Plugin by the folks at Web Argument. Sites that emphasize images or entertainment would be complemented by this plugin, as it lets you create an accordion style menu that uses images as the background. Beyond the impressive look of the menu, various animation effects can also be implemented via jQuery UI Effects, such as back, bounce, and swing. Link: [web-argument.com] ...

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Constant Contact Chooses SkySQL for MySQL Support

Posted: January 26th, 2012, 8:45am MST

Specializing in online marketing through email, surveys, social media, and more, Constant Contact's customer base extends all over the globe. With so many customers depending on the company for their online marketing needs, Constant Contact was in need of the proper support to accompany its move towards open source with MySQL. SkySQL was eventually selected for a variety of reasons, and has helped Constant Contact with building and deploying a sturdy MySQL database architecture. In addition, SkySQL has aided Constant Contact with training 10 database administrators over the course of severa...
Oracle Releases PeopleSoft PeopleTools 8.52

Posted: January 25th, 2012, 8:47am MST

Headlining PeopleTools 8.52's list of improvements is support for Apple's popular iPad tablet. The move makes Oracle the lone enterprise resource planning vendor to provide an enterprise suite on the iPad, giving users the ability to access PeopleSoft on the go while maintaining the functionality and security one would normally expect in a stationary setting. While iPad support is appealing, it's just the tip of the iceberg when it comes to PeopleTools 8.52's enhancements. The user interface has been upgraded to improve interactivity through the use of new pagelets and inter-pagelet communic...

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CSS Combinators: Using General Siblings

Posted: January 24th, 2012, 10:00pm MST

As one of the most underrated facilities of the CSS specification, combinators are powerful tools that allow you to improve the assignment of styles to elements on a web page. While their functionality remained forgotten in a dark corner for many years, due to the lack of a proper support by some browser vendors (with Internet Explorer clearly leading the crowd), things have changed for good. Now it's possible to utilize them in a pretty cross-browser fashion. The best way to demonstrate how useful combinators can be is through some concrete, functional code samples. In keeping with this req...

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Using PHP Closures as View Helpers

Posted: January 24th, 2012, 9:06am MST

Unquestionably, the release of PHP 5.3.x, along with the imminent arrival of PHP 5.4 (at least, at the time of this writing), clearly show the level of maturity that the language has reached in the last few years. The inclusion of support for native namespaces, Late Static Binding, a largely improved SPL and of course the long-awaited traits, are all part of the wealth of niceties that PHP offers to picky developers. Although most of these features have found their own niche over time (with the sole exception of traits, for obvious reasons), there's one more that, because of its versatile natu...
iOS Development: Hello World! in Xcode Part 2

Posted: January 22nd, 2012, 11:19pm MST

In this part of the tutorial, I will be discussing the code showcased in part one of this series [www.devshed.com] as well as the general concepts required to program under iOS. As was mentioned before, I used Xcode 4.1 to create the test project for our discussion. In this version several items are automatically generated when Xcode creates the project. Our main focus for this article will be the HelloWorldAppTutorialAppDelegate header and code files. First, let us look at the header file generated by Xcode. T...

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HTML5 Boilerplate Introduction

Posted: January 22nd, 2012, 10:00pm MST

Despite the lack of support from Internet Explorer 7/8 for most of the features included with HTML5, it's hard to ignore the hype that the standard has generated. Even though the migration process was at first somewhat slow, the number of websites that now use HTML5 as their backbone has grown at an exponential rate. There's a good reason for that: while it can't be considered an actual revolution, HTML5 is undeniably an evolution toward the creation of richer, cleaner and more semantic web pages. Nevertheless, the path to building cross-browser HTML5-based websites often calls for a delicat...

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Oracle Integrates Cloudera Apache Distro, MySQL Support

Posted: January 19th, 2012, 8:19am MST

The move expands Oracle Big Data Appliance's offerings of hardware and software offerings geared towards high performance and scalable data processing for Big Data by two solid products. Cloudera Distribution Including Apache Hadoop is the industry's most widely deployed distribution of Hadoop in both commercial and non-commercial settings. Described as being 100 percent open source, CDH is also regarded as the most tested, reliable, and stable product of its kind. Big Data Appliance's portfolio already included Oracle NoSQL Database Community Edition, an open source distribution of R, Orac...

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Intro to CSS Combinators

Posted: January 19th, 2012, 6:00am MST

Combinators are quite possibly one of the most underrated features of CSS. However, the indifferent attitude with which programmers treat them wasn't because of their useless nature or limited functionality. In fact, as with many other forgotten facilities provided by the specification, many browser vendors included quot;support quot; for combinators that was buggy, poor, and in the worse case, simply non-existent. Despite this, today there's new hope for getting combinators up and running, as most browsers (yes, even Internet Explorer 7 and up) allow you to use them in a pretty confident ...

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Perl Basics: Writing and Debugging Programs

Posted: January 18th, 2012, 9:00am MST

Escape Sequences UTF8 gives us 65536 characters, and ASCII gives us 256 characters, but on the average keyboard, there's only a hundred or so keys. Even using the shift keys, there will still be some characters that you aren't going to be able to type. There'll also be some things that you don't want to stick in the middle of your program, because they would make it messy or confusing. However, you'll want to refer to some of these characters in strings that you output. Perl provides us with mechanisms called escape sequences as an alternative way of getting to them. We've already seen the us...

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New API Platform for HTML5

Posted: January 17th, 2012, 6:00am MST

As for the reasoning behind the API platform's launch, AT amp;T's chief marketing officer David Christopher used the AT amp;T Developer Summit at the Consumer Electronics Show in Las Vegas to say that it was done to address fragmentation issues. App developers typically have the tedious task of rewriting native applications for Android devices, BlackBerrys, iPhones, and Windows Phones. By creating HTML5 apps, the process is simplified, as users of different devices can access them via browsers, all while maintaining the look and feel of native apps. Christopher's stance was strengthened by ...

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Android, iOS End 2011 Strong, comScore Reports

Posted: January 16th, 2012, 6:15pm MST

comScore surveyed over 30,000 mobile subscribers aged 13 and up in the United States to collect the results of its online study. It tracked the smartphone market, as well as the entire U.S. mobile market that includes smartphones and non-smartphones, which are often referred to as feature phones. The study compared the three-month average of total smartphone subscribers ending August 2011 versus the three-month average ending November 2011 for the following platforms: Apple, Google, Microsoft, Research in Motion (RIM), and Symbian. Of the five platforms, only Google and Apple saw an increase...

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Top jQuery Tutorials for Beginners

Posted: January 11th, 2012, 10:00pm MST

How jQuery Works When you look for tutorials on a subject, you probably look directly at the source. That's the case here, as this tutorial comes straight from jQuery's official website. It provides an introduction to the library plus some basics to give you a decent foundation to build on. The layout of the tutorial is very organized, and it gives you the option to jump to different topics with ease. Among the items touched on include the basics, adding and removing an HTML class, special effects, and callback and functions. Although it is rather short in length, the tutorial offers a g...

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Structure and Statements in Perl

Posted: January 11th, 2012, 9:00am MST

Program Structure One of the things we want to develop throughout this book is a sense of good programming practice. Obviously this will not only benefit you while using Perl, but in almost every other programming language too. The most fundamental notion is how to structure and lay out the code in your source files. By keeping this tidy and easy to understand, you'll make your own life as a programmer easier. Documenting Your Programs As we mentioned earlier, a line starting with a hash, or pound sign ( # ), is treated as a comment, and ignored. This allows you to provide comments about ...

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Top WordPress Plugins for Social Media

Posted: January 10th, 2012, 10:00pm MST

ShareThis Just as its name implies, ShareThis is a WordPress plugin that allows your visitors to easily share content from your site across a host of social networks and email. ShareThis isn't exactly one of the new kids on the block, as its creators claim that it has already been used on over one million sites. With that much of a presence, installing this plugin on your site is a good idea, since visitors will probably recognize it and know how it works. ShareThis adds easily recognizable icons to your posts that are large and vibrant in color. If a visitor wants to share your particular ...

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NetBeans 7.1 Released, Supports JavaFX 2

Posted: January 9th, 2012, 6:00am MST

Ted Ferrell, chief architect and senior VP of Oracle's Tools amp; Middleware division, spoke of the new IDE's appeal to Java developers in the official press release. He said: The latest NetBeans IDE release provides the Java developer community with many new features to help them create leading-edge Web, mobile and enterprise applications. As the first IDE to support JavaFX 2.0, NetBeans IDE 7.1 not only gives developers rich support for developing JavaFX 2.0 applications, but also ensures they have access to all of the advances delivered in the latest Java platform releases. NetBeans ID...
iOS Development: Hello World! in Xcode

Posted: January 6th, 2012, 8:30am MST

In this article, I will show how the standard Hello World! application can be developed in the iOS framework. In this tutorial, I will be using Xcode 4.1 to develop this simple example. Therefore, the screenshots and code that will be supplied with it will apply specifically to that version of Xcode. First, start a new project by selecting File gt; New gt; New Project. There are several options for project types. For this tutorial, select the Window-based Application project type under the Applications section. For this tutorial, input HelloWorldAppTutorial for the Product N...
First Steps in Perl

Posted: January 5th, 2012, 8:30am MST

Every programming language has a number of things in common. The fundamental concepts of programming are going to be the same, no matter what language in which you do them. In this chapter, we'll investigate the things you need to know before you start writing any programs at all. For instance: What is programming anyway? What does it mean to program? How do we structure programs, and make them easy to understand? How do computers see numbers and letters? How do we find and eliminate errors in our programs? Of course, we'll be looking at these from a Perl perspective, and we'll...
PHP File and Operating System Program Execution Functions

Posted: January 3rd, 2012, 10:00am MST

PHP's Program Execution Functions This section introduces several functions (in addition to the backticks execution operator) used to execute system-level programs via a PHP script. Although at first glance they all appear to be operationally identical, each offers its own syntactical nuances. exec() string exec (string command [, array output [, int return_var]]) The exec() function is best-suited for executing an operating system-level application (designated by command) intended to continue executing in the server background. Although the last line of output will be returned, chances ar...

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BBC Adopts HTML 5, Mozilla Addresses Issues

Posted: January 2nd, 2012, 10:00pm MST

The move towards HTML5 means that the BBC followers who use various browsers and increasingly popular platforms such as Android and iOS will get to enjoy its wide variety of video content. It took some time for the BBC to finally make the transition to HTML5, as the company expressed concerns about how it would protect the widespread distribution of its proprietary content on the web in the absence of Flash's DRM controls. Rather than making the transformation in a single shot, the BBC ran a test program that instituted HTML5 solely on its site's Health section. Many criticized the company ...

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Revoke Statement in MySQL

Posted: December 30th, 2011, 6:00am MST

Being by far the most popular open source RDBMS available to date, MySQL offers a wealth of engaging facilities that make it stand out from its closest competitors. A stable, reliable performance, solid support for ACID transactions and multiple storage engines, foreign keys handling and cascade operations are only a small part of the tremendous menu of features that the database server offers for free. These have, not surprisingly, contributed to extending its existing popularity even further over time. Among other features, MySQL includes a powerful privilege administration module. It lets y...
PHP: Effects of Wrapping Code in Class Constructs

Posted: December 28th, 2011, 6:00am MST

Let's be honest: how many times have you found yourself writing a custom static helper class, or putting your hands eagerly on one that came bundled with a framework, from the many available out there? If you're anything like me, the answer will be at least Â a few (remember that the first step to healing is admitting you have a problem). Static helpers seem to be a great idea at first glance, as they're reusable components that don't require any kind of expensive instantiation for doing common tasks, such as determining base URLs and paths or validating incoming data. But the sad and unavoid...

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CSS Semicircles and Web Page Headers

Posted: December 28th, 2011, 6:00am MST

Are you looking for a simple approach that lets you decorate your HTML elements with a few engaging circular shapes, but don't want to deal with the burdens and complexities of Photoshop? Then take a look at the border-radius CSS3 property. It not only will permit you to render native rounded corners in a snap, but it'll be your best partner for displaying circles on a web page without using background images. Of course, the best way to prove the hidden functionality provided by border-radius is with some concrete, functional code samples. In the first part of this two-part tutorial I de...

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Mobile Apps Becoming the New King of Media

Posted: December 26th, 2011, 6:00am MST

The enhanced technology and functionality now shipping in smartphones, tablets, and other portable devices has allowed their popularity to skyrocket with consumers seeking solutions for productivity and entertainment on the go. App developers have noticed this demand and have responded by equipping mobile apps with a variety of functions that were typically associated with desktop environments, such as news, audio, video, gaming, and much more. While it's no surprise that developers are creating apps to coincide with the needs of consumers, the pace at which apps are entering the market is s...

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Advanced Sticky Footers in HTML and CSS

Posted: December 26th, 2011, 6:00am MST

Sticky footers are nothing but classic HTML footers, except that they're always displayed at the bottom of the web page, regardless of whether or not the page's primary contents occupy the entire browser display window. Got the logic behind this concept? Great. Though the term sticky might seem somewhat intimidating, the truth is that the implementation of this kind of popular footer is much easier than one might think. The entire process only requires that you define within the markup the footer area itself, and then place it at the bottom of the HTML document by utilizing some basic CSS...

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The Grant Statement in MySQL

Posted: December 23rd, 2011, 6:00am MST

Let's be honest: unless you're a multifaceted, good-at-everything web developer, with skills that go beyond the boundaries of (X)HTML, CSS, JavaScript and the server-side language of your choice, most of the time you'll be reluctant to deal with the oddities of MySQL. With lots of frameworks and libraries that will do the leg work for you and handle the interaction with the database server, you'd rarely need to spend your valuable time diving into its lower-level features. After all, that's what systems administrators are for, right? While the actual tasks you'll be performing with MySQL will ...
PHP: Building Concrete Validators

Posted: December 21st, 2011, 6:00am MST

Constructing purely static helper classes can hurt you, especially when you're trying to build applications that adhere to the principles of good object-oriented programming. As I explained extensively in the first part of this tutorial, static helpers are inflexible structures that can only be extended via Inheritance, and that don't exploit the benefits of Polymorphism or dependency injection. Naturally, the most educational way to learn why static helpers (or any other kind of static class, of course) should be replaced with instantiable classes is through some concrete, easy-to-foll...

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Drawing Circular Shapes with CSS3 and Border Radius

Posted: December 20th, 2011, 10:00pm MST

Since they made their triumphal appearance on the stage of web design, some CSS3 properties have become the favorite tools of many designers because of the functionality they offer right out of the box. Many of these properties make it much easier to build eye-catching web pages that (hopefully) keep users engaged. While there's nothing wrong with using these properties in a quot;conventional quot; way, it's fun to take CSS3 to the next level by using the properties in a more atypical fashion. Doing this allows you, among other things, to create quite appealing effects. That's exactly the ...

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Incentivized Apps Fail to Make a Lasting Impression

Posted: December 19th, 2011, 6:00am MST

Approximately 2,800 adults over the age of 18 were surveyed by Harris Interactive on behalf of mobile ad provider Pontiflex during November. 958 of the participants identified themselves as smartphone owners, while another 257 were tablet owners. According to the online survey, only 3 percent of the participants said they frequently used an app that they had installed to receive an incentive. While it's not surprising that few participants used their incentivized apps on a frequent basis, the percentage is so low that it really calls into question the quality and worth of such apps, particu...

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HTML and CSS Sticky Footers

Posted: December 19th, 2011, 6:00am MST

The concept is far from being breaking news, I know, but the dynamic and evolving nature of the web quite often gives web designers new and demanding challenges. Today, not only is it of primary importance to create clean and solid web pages that neatly adhere to the standards, but it's necessary to spice them up with a few additional features that (hopefully) will keep users engaged and coming back for more. These requirements, though, are a doubled-edged sword that may end up hurting the functionality and accessibility of a website. In many cases, overloading a web page with a bunch of flash...
More CSS Pagination Link Templates

Posted: December 14th, 2011, 9:30am MST

If you've read the first part, you probably have a pretty good idea of how to provide your pagination links with an engaging appearance. In that article I developed a couple of clean templates, which made use of some background colors and borders to polish the link's visual presentation. Even though the properties involved in the styling process were old favorites, which you've surely been using for years, they yields results that were more than acceptable. As I said just a moment ago, my plan here is to put at your disposal a decent variety of pagination templates. This way, you can pick the ...

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SuccessBricks Announces ClearDB Availability for Heroku

Posted: December 13th, 2011, 10:26pm MST

Cashton Coleman, SuccessBricks' President and CEO, as well as creator of ClearDB, said: We are pleased to now offer ClearDB as a powerful add-on for Heroku customers. It has been a pleasure to work with the Heroku team, and we're excited to bring our game-changing MySQL database service to Heroku customers. quot; The result of over four years of research and development by the SuccessBricks team, ClearDB allows its users to maintain a database connection in the event of sudden and widespread internet outages, which alone should attract many Heroku developers. SuccessBricks claims ClearDB is...
Sanitizing Input with PHP

Posted: December 12th, 2011, 9:30am MST

System-Level Program Execution Truly lazy programmers know how to make the most of their entire server environment when developing applications, which includes exploiting the functionality of the operating system, file system, installed program base, and programming languages whenever necessary. In this section, you'll learn how PHP can interact with the operating system to call both OS-level programs and third-party installed applications. Done properly, it adds a whole new level of functionality to your PHP programming repertoire. Done poorly, it can be catastrophic not only to your applica...

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Strategy Analytics Predicts HTML5 Phones to Reach One Billion Sales in 2013

Posted: December 11th, 2011, 10:00pm MST

Commenting on some of the reasoning behind its projection, Strategy Analytics analyst Neil Shah said: Growth for HTML5 phones is being driven by robust demand from multiple hardware vendors and software developers in North America, Europe and Asia who want to develop rich media services across multiple platforms, including companies like Adobe, Apple, Google and Microsoft. We define an HTML5 phone as a mobile handset with partial or full support for HTML5 technology in the browser, such as the Apple iPhone 4S. Neil Mawston, Strategy Analytics' executive director, continued with additional re...

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Android Market Surpasses 10 Billion, Apple iOS Still Developer Choice

Posted: December 9th, 2011, 8:37am MST

Eric Chu, director of Android's developer ecosystem, described the recent success, stating: One billion is a pretty big number by any measurement. However, when it's describing the speed at which something is growing, it's simply amazing. Perhaps the main factor behind Android's success is the fact that the platform now offers so many smartphones and tablets under its umbrella. Several big name manufacturers have stood behind the platform and are releasing Android-based products at a rapid pace. Google claims that over 200 million Android devices have been sold, while there is an average ...

Dev Articles - Programming Help and Tutorials for all development technologies

New UI Framework and SDK for JavaScript Released

Posted: December 8th, 2011, 10:00pm MST

Todd Anglin, the executive vice president Telerik's Kendo UI group, commented on the appeal of the new framework: Building applications and sites today with HTML5 and JavaScript is an exercise in self-assembling an array of libraries and toolsets to compose a platform that has all of the necessary components for development. This approach is acceptable for hobby projects, but it is fraught with support and licensing risks, it is difficult to maintain and upgrade, it is difficult to learn, and it wastes valuable development time. Kendo UI solves this problem by providing a unified framework w...
Removing Singletons in PHP

Posted: December 8th, 2011, 11:00am MST

Even though they look relatively harmless on the surface, when analyzed in depth, Singletons are in fact much more dangerous to good object-oriented programming design than one might think. Implementing Singletons, remember, demands the use of a static method, which opens the undesirable gates of global access. Singletons also introduce a strong coupling effect with any class that consumes them via its static method. They also break the Single Responsibility Principle, as they're not only responsible for performing the task that they were designed for (whatever it is), but for controlling clas...

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Building a PHP ORM: Deploying a Blog

Posted: December 8th, 2011, 9:30am MST

Let's face it: building a full-featured ORM in PHP (or in any other programming language) is a challenging and difficult process that requires careful planning. You'll need a solid background in some popular data persistence patterns, such as Active Record and Data Mapper. That's a tall order, especially since this kind of package must be able to handle all of the possible relationships between the objects that compose an application, not to mention the validation that must be performed on them. Fortunately, there's a healthy variety of ORMs available that will do the hard work for you. What's...
Executing Shell Commands with PHP

Posted: December 7th, 2011, 7:30am MST

Writing to a File This section highlights several of the functions used to output data to a file. fwrite() int fwrite (resource handle, string string [, int length]) The fwrite() function outputs the contents of string to the resource pointed to by handle. If the optional length parameter is provided, fwrite() will stop writing when length characters have been written. Otherwise, writing will stop when the end of the string is found. Consider this example: lt;?php $subscriberInfo = quot;Jason Gilmore|wj@example.com quot;; $fh = fopen( quot;/home/www/data/subscribers.txt quot;, quot;at ...

Dev Articles - Programming Help and Tutorials for all development technologies

CSS Pagination Links

Posted: December 6th, 2011, 12:30pm MST

The most difficult part of building a pagination system is the logic that must be implemented behind the scenes. In most cases, the tasks of calculating the number of links that will be displayed per page, as well as the amount of pages that will be used to span the corresponding content are performed by some kind of server-side component (even though some JavaScript libraries accomplish this quite decently in the client side). Of course, you don't need to reinvent the wheel every time you wish to drop a pagination mechanism onto your web pages. Currently there's a plethora of libraries and fr...
Singletons in PHP

Posted: December 5th, 2011, 10:30am MST

Though in the past they enjoyed both popularity and a certain amount of prestige, without a doubt Singletons have progressively become one of the most evil and despicable villains in object-oriented design. Singletons earned their bad reputation for a reason: bringing them to life requires the programmer to deal at least with a static method. This is simply an elegant masquerade for creating a global access point (which in most cases is mutable as well) throughout an entire application. And we all know that global, mutable access is unquestionably a bad thing that must be avoided at all costs....

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Safari Books Online Makes Getting Certifications Easier

Posted: December 4th, 2011, 11:07pm MST

I've written extensively about Safari Books Online in the past. Six articles in total at this point, and yet somehow, as I delve deeper into the company's repertoire of goodies, I keep uncovering new things to discuss. To me, this speaks volumes not only about the depth of their product, but also about the flexibility and ingenuity of their offerings. I've covered the basic offerings: books, technical articles, and search capabilities. I've spoken to the cross-platform agility of their mobile and tablet apps. And in the last article, I took you inside their video vault, a treat for those visua...
Smartphone Ice Cream Sandwich, Android Enterprise 2012

Posted: December 2nd, 2011, 8:15am MST

CyanogenMod's distinction as aftermarket firmware designed for Android smartphones allows it to supply users with enhanced features. The team behind the firmware has been recently working on CyanogenMod 9, a version based on Ice Cream Sandwich's open source code which Google released during the middle of November. As of right now, owners of the Samsung Nexus S can make use of an alpha version of CyanogenMod 9, while Samsung Galaxy S owners can try out a beta version. Users and developers have given mostly positive feedback on the CyanogenMod releases thus far, with only a few MMS bugs and o...

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JavaScript OpenPGP Tool, Node.js 0.6.3 Available

Posted: December 1st, 2011, 10:00pm MST

The integration of NPM into Node.js gives its users a simplified, yet solid avenue for packaging and distributing libraries of code. NPM has become accepted as the community standard when it comes to Node.js packaging, so its addition is one that is welcome with open arms. While the NPM addition is a step in the right direction for Node.js, version 0.6.3 does come with some problems of its own, such as the incorrect installation of man pages. An upcoming 0.6.4 release will supposedly take care of the issue, and it will also include the option to forego installation of NPM to accommodate tho...

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TROSYS Launches Free MySQL Manager and Admin Tool

Posted: December 1st, 2011, 6:00am MST

As its name would suggest, TroSQL Free 1.10 helps to boost productivity for both small businesses and large organizations at no cost. It's also a useful tool understanding and learning how databases work. The release is just another in a line of products from TROSYS that gives clients the power to maximize efficiency in the realms of MySQL database and server management, product development, debugging, resource optimization, and more. Besides its distinction as a free tool, TroSQL is highlighted by a plethora of features, beginning with compatibility. The program ships as a small EXE that i...
Oracle Releases MySQL 5.5.18

Posted: November 30th, 2011, 6:00am MST

The highlight of the latest update includes a number of statements marked as unsafe for statement-based replication. According to the H Open website, all of the statements given the distinction of being unsafe supposedly rely on the result of a select statement where the order cannot be relied upon. Oracle recommends that any users who engage in statement-based logging should read the accompanying documentation for additional guidance regarding the issues addressed in the update. Beyond the replication issue, Oracle also used MySQL 5.5.18 to fix a problem where the master could send dama...

Dev Articles - Programming Help and Tutorials for all development technologies

HTML5 Guidelines for Web Developers

Posted: November 29th, 2011, 9:30am MST

Title: HTML5 Guidelines for Web Developers Authors: Klaus FÃÂ¶rster amp; Bernd Ã-ggl Publisher: Addison - Wesley ISBN: 978-0-321-77274-9 Considering the tumultuous hype that HTML5 has generated in the last few months, it's reasonable to think that many web developers out there will feel eager to migrate from the HTML4/XHTML tandem to the new standard, and start experiencing the many new features that it provides right out the box. Well, if you fall into this category, the book HTML5 Guidelines for Web Developers by Klaus FÃÂ¶rster and Bernd Ã-ggl is definitely worth a look. In my personal opini...

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Handling File Data with PHP

Posted: November 29th, 2011, 6:00am MST

Reading from a File PHP offers numerous methods for reading data from a file, ranging from reading in just one character at a time to reading in the entire file with a single operation. Many of the most useful functions are introduced in this section. file() array file (string filename [int use_include_path [, resource context]]) The immensely useful file() function is capable of reading a file into an array, separating each element by the newline character, with the newline still attached to the end of each element. Although simplistic, the importance of this function can't be understated...
Adobe Promises New Version of Flash for Mobile

Posted: November 28th, 2011, 6:00am MST

In a statement to the site Pocket-lint.com, an Adobe spokesperson discussed the upcoming release, stating: Adobe will release one more version of the Flash Player for mobile browsing, which will provide support for Android 4.0, and one more release of the Flash Linux Porting Kit -- both expected to be released before the end of this year. Once the release is available, Adobe will be pretty much done with development of its mobile Flash Player. Users will be able to count on security updates and critical bug fixes from Adobe, however. As for other companies' relationships with the mobile ...

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Animated CSS3 Image Gallery: Advanced Transitions

Posted: November 28th, 2011, 6:00am MST

Although the idea may sound intimidating, building a dynamic (and by dynamic I mean animated quot;) image gallery using a few CSS3 properties is much easier than you might think. Indeed, in the previous part of this series, I implemented a simple, yet extendable image gallery, which used the transition CSS3 property to dynamically hide and display a given image when users hovered their cursors on its associated thumbnail. Best of all, the entire animation process didn't require coding a single line of JavaScript. As with any other web-based user interface component, it's possible to easily...
CSS3 Animated Image Gallery: Transitions

Posted: November 23rd, 2011, 10:00am MST

Since the beginning of the Internet, image galleries have been one of the most overused (and sometimes misused) user interface elements available. There's a good reason for this timeless popularity: supported by HTTP from its first incarnation, images were (and are) a powerful tool for delivering content to users in a refreshing and effective way, without condemning them to long lines of arid and dull text. As one might expect, image galleries have gone through a constant and healthy evolution process. This process ranged from primitive implementations that relied heavily on a bunch of lt;im...

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File Security and Resources with PHP

Posted: November 23rd, 2011, 8:00am MST

File Ownership and Permissions These days, security is paramount to any server installation, large or small. Most modern operating systems have embraced the concept of the separation of file rights via a user/group ownership paradigm, which, when properly configured, offers a wonderfully convenient and powerful means for securing data. In this section, you'll learn how to use PHP's built-in functionality to review and manage these permissions. Note that because PHP scripts typically execute under the guise of the server daemon process owner, some of these functions will fail unless highly in...
Building an ORM in PHP: Domain Modeling

Posted: November 22nd, 2011, 8:33am MST

What's more, if you've already read the first installment of this tutorial, you're probably familiar with the functionality that I plan to add to this custom ORM. In that first part, I implemented the ORM's data access and mapping layers. And as you'll surely recall, the entire implementation process was pretty straightforward and easy to follow. Of course, in its current state the ORM is still far from a fully-functional structure. We need to add some additional components to it, such as a domain model and the classes responsible for handling collections of entities (remember that the ORM rel...

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Photoshop Text Techniques: Transformers

Posted: November 21st, 2011, 10:00pm MST

For that quot;More than meets the eye quot; look, it's going to be important that you have the right font. Now there are several fonts that duplicate that font, such as Transformers (natch) and SF Transbotics. Make sure that when you download the fonts that you install them before you start, and don't have any software that uses text open. Once you've installed the font and then open Photoshop, you should see the newly installed font appear on your font list. Step 1 Now you need to open a new blank document. Let's start with these specs: 540Ã 300 at 72ppi (pixels per inch). Press the D key to...

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Young Developers Make a Splash in App Market

Posted: November 21st, 2011, 10:29am MST

When you think of the word young in terms of app developers, you may envision a twenty-something who develops on the side while also attending college. For the purpose of this article, however, think much younger, such as those in their teenage years. In fact, there are developers making their mark at a mere 12 years of age. It's not all for fun, either, as some of these youngsters are making enough money off their app sales to buy their favorite tech products or even save for college. Take a look at the United States' Thomas Suarez, for example. Only 12 years old, Suarez has already dev...

Dev Articles - Programming Help and Tutorials for all development technologies

AJAX with JSON

Posted: March 12th, 2007, 2:00pm MDT

Tags: ajax

In my previous article I discussed some of the basics of JSON the JavaScript Object Notation. It is an object literal notation well suited for data exchange. The object and arrays of JSON are very similar to real world data representation in many programming languages and this makes it a natural competitor with the more ubiquitous XML....
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Refining a Simple Date Picker with JavaScript and CSS

Posted: March 7th, 2007, 2:00pm MST

Tags: css

In part one of this series we looked at the HTML and CSS needed to construct the date-picker popup and style it accordingly. In this part we are going to write the JavaScript that is going to make it work. This is going to be accomplished with a mixture of plain JavaScript with some DOM retrieval and manipulation....
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Introducing the Composite Pattern in PHP 5

Posted: March 7th, 2007, 2:00pm MST

Tags: php_patterns

The composite pattern is one of the less commonly used patterns in PHP 5. Nevertheless in certain situations it is very helpful. This article the first one in a two-part series will introduce you to the basic concepts of the composite pattern....
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Interacting with MySQL to Build a Web Site Indexing Application with Prototype

Posted: March 6th, 2007, 2:29pm MST

Tags: ajax

Are you one of those web developers who wants to learn how to quickly build robust AJAX-driven applications using the Prototype JavaScript library Then welcome to the final tutorial of the series Building a web site indexing application with Prototype. Comprised of three articles this series shows you how to use Prototype s strong capabilities to create an expansible AJAX-based application that indexes the data for different web sites including their URLs titles and brief descriptions....
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Using AJAX to Build a Web Site Indexing Application with Prototype

Posted: February 27th, 2007, 2:00pm MST

Tags: ajax

One of the best ways to take advantage of the numerous features that come packaged with the Prototype JavaScript library is by using it for developing a real world application. So welcome to the second installment of the series Building a web site indexing application with Prototype. If you re interested in utilizing this robust package for creating an extensible system that indexes web site data this series will offer you a straightforward guide on how to do this with minor hassles....
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Introducing the Flyweight Pattern with PHP 5

Posted: February 26th, 2007, 2:00pm MST

Tags: php_pattern

Among the considerable variety of structural design patterns that can be implemented with PHP 4 and PHP 5 by the way there s one in particular that deserves special attention. It s easy to apply in the context of a given web application and it offers remarkable functionality when it comes to preventing the unnecessary instantiation of different classes. This two-part series covers that pattern....
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Creating a Basic Image Gallery with CSS Sprites

Posted: February 26th, 2007, 2:00pm MST

Tags: css

If you re a web designer who s looking for an approach to reduce the number of requests made by the browser then you should examine the vast terrain of CSS sprites. Welcome to the final part of the series Using CSS Sprites. This three-part series shows you how to incorporate them into real world applications and provides you with a respectable set of practical examples on the topic....
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Creating a Simple Date Picker with JavaScript and CSS

Posted: February 21st, 2007, 2:00pm MST

Tags: javascript

Getting visitors to fill out certain parts of forms can be tricky especially when the item you want them to fill out can be rendered in many different formats. Consider how many different ways one can write a date for instance. In this first part of a two-part article you will learn how to build a date picker that minimizes this headache....
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User Authentication and PHP Security

Posted: February 21st, 2007, 2:00pm MST

Tags: php_security

So far we have covered security vulnerabilities that involve form data databases and file systems. In this article we are going to look at authentication and the security issues around it. We will also look at some of the most common attacks in this field....
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Creating an RSS Reader Application

Posted: February 20th, 2007, 2:00pm MST

Tags: php_rss

In the previous two articles we discussed how to read and build an RSS document with PHP. In this article we will create an application that uses the concepts discussed in the other two articles. So let s go straight to the coding....
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