http://www.devshed.com AJAX - RSS Feeds en-us Thu, 26 Nov 2009 08:27:18 -0500 Thu, 26 Nov 2009 08:27:18 -0500 Thu, 22 Oct 2009 09:00:05 -0400 http://www.devshed.com/c/a/AJAX/PHP-AJAX-Form-Validation/?kc=rss - One of the most important requirements for PHP web forms is usability; it's the goal of many web designers to improve the user's experience. With classic PHP web forms, a user is required to enter information in the form and then press the submit button. The PHP script will then validate the data ...]]> http://www.devshed.com/c/a/AJAX/PHP-AJAX-Form-Validation/?kc=rss Mon, 05 Oct 2009 09:00:00 -0400 http://www.devshed.com/c/a/AJAX/Completing-a-UserDefined-CSS-Website-with-PHP/?kc=rss - If you'd like to see where we're headed before we get there, you can check out the complete demo. You can use this CSS/AJAX technique to let users customize your website's font colors and backgrounds to maximize their user experience. It was said in the first part that if users have the freedom t...]]> http://www.devshed.com/c/a/AJAX/Completing-a-UserDefined-CSS-Website-with-PHP/?kc=rss Thu, 01 Oct 2009 09:00:01 -0400 http://www.devshed.com/c/a/AJAX/Create-a-UserDefined-CSS-Website-with-PHP/?kc=rss - Consider this example: you are designing a website with a black font color and white background. It seems very nice on your monitor; the problem is your readers. Some computer monitors may display your web page as extremely sharp because of the white background. Depending on the situation, some read...]]> http://www.devshed.com/c/a/AJAX/Create-a-UserDefined-CSS-Website-with-PHP/?kc=rss Tue, 04 Aug 2009 21:24:53 -0400 http://www.devshed.com/c/a/AJAX/Build-A-Better-Twitter-Chat-Client-Than-Chamillionaire-0409/?kc=rss - Chamillionaire, known for his song, quot;Ridin' Dirty quot;, announced a live event on his website located at http://www.chamillionaire.com/live.html. While traffic spiked, the site appeared to be functioning slowly but fine. However, a clever implementation of a twitter chat client may have ru...]]> http://www.devshed.com/c/a/AJAX/Build-A-Better-Twitter-Chat-Client-Than-Chamillionaire-0409/?kc=rss Wed, 08 Apr 2009 09:00:46 -0400 http://www.devshed.com/c/a/AJAX/Using-Division-Equations-to-Make-Web-Forms-Safer-with-Ajax/?kc=rss - Introduction Therefore, if youre interested in learning how to build a basic Ajax-driven program that makes your web forms a bit more secure, then in this group of articles youll have at your disposal a comprehensive guide on how to achieve this with minor efforts. Additionally, youll learn how ...]]> http://www.devshed.com/c/a/AJAX/Using-Division-Equations-to-Make-Web-Forms-Safer-with-Ajax/?kc=rss Wed, 01 Apr 2009 09:00:47 -0400 http://www.devshed.com/c/a/AJAX/Using-Integer-Multiplication-to-Protect-Web-Forms-with-Ajax/?kc=rss - Introduction Now that you've been introduced to the main subject of this series of articles, it's time to recall the topics we discussed in the last article. In that tutorial I went through the development of a simple Ajax-based application that could dynamically generate a bunch of elementary ...]]> http://www.devshed.com/c/a/AJAX/Using-Integer-Multiplication-to-Protect-Web-Forms-with-Ajax/?kc=rss Wed, 25 Mar 2009 09:00:46 -0400 http://www.devshed.com/c/a/AJAX/Using-Simple-Checksums-for-Web-Form-Verification-with-Ajax/?kc=rss - Introduction Actually, building a web form checking system like this can be an instructive experience, particularly for those web developers whom need to code safer online forms without using a server-side graphic library to generate quot;noisy images quot; on the fly. So, if you're interested...]]> http://www.devshed.com/c/a/AJAX/Using-Simple-Checksums-for-Web-Form-Verification-with-Ajax/?kc=rss Wed, 18 Mar 2009 09:00:48 -0400 http://www.devshed.com/c/a/AJAX/Protecting-Web-Forms-with-AJAX/?kc=rss - Introduction With the Web being widely inundated by spam bots these days, its not surprising that many conscientious web developers have started creating different mechanisms aimed at protecting HTML forms against fake submissions. Ranging from generating the so-called noisy images to including si...]]> http://www.devshed.com/c/a/AJAX/Protecting-Web-Forms-with-AJAX/?kc=rss Wed, 04 Feb 2009 09:00:54 -0500 http://www.devshed.com/c/a/AJAX/Using-Prototip-with-AJAX/?kc=rss - The source code for this article is available in the form of a downloadable zip file. Ajax Prototips In the last example we used a simple object as the storage medium for the text that we wanted to display in the body of the tooltip. Instead of using an object to store this information, we could...]]> http://www.devshed.com/c/a/AJAX/Using-Prototip-with-AJAX/?kc=rss Wed, 28 Jan 2009 09:00:46 -0500 http://www.devshed.com/c/a/AJAX/Using-Prototip/?kc=rss - Prototip was developed by Nick Stakenburg and can be downloaded from http://www.nickstakenburg.com/projects/prototip2/. The latest version of Prototip is 2.0.5. You can download a trial of the plugin from the link above, which can be used for testing purposes (you'll need this if you intend to fol...]]> http://www.devshed.com/c/a/AJAX/Using-Prototip/?kc=rss Mon, 26 Jan 2009 09:00:46 -0500 http://www.devshed.com/c/a/AJAX/Using-the-googleload-Method-with-Googles-Ajax-Libraries-API/?kc=rss - Introduction Naturally, the major benefit in using this API is its capacity for delivering a specified JavaScript framework at a higher speed (source files are usually compressed by default). This can also improve the performance of a client-side application utilizing the interface. However, its...]]> http://www.devshed.com/c/a/AJAX/Using-the-googleload-Method-with-Googles-Ajax-Libraries-API/?kc=rss Wed, 21 Jan 2009 09:00:46 -0500 http://www.devshed.com/c/a/AJAX/How-to-Handle-Ajax-Errors/?kc=rss - If you have an Ajax function in your web page, and it does not download the text you expected, can you solve the problem by clicking the Reload (Refresh) button on your browser? If yes, under what conditions does this work? If no, why not? If there were a problem with the server, would it send an...]]> http://www.devshed.com/c/a/AJAX/How-to-Handle-Ajax-Errors/?kc=rss Tue, 20 Jan 2009 09:00:46 -0500 http://www.devshed.com/c/a/AJAX/Uncompressing-Source-Files-with-Googles-AJAX-Libraries-API/?kc=rss - Introduction If youre a web developer who builds JavaScript applications by using popular JavaScript libraries like Prototype, jQuery, Scriptaculous, and Dojo, then youll be pleased to know that Google has released a handy programming interface. Called Ajax Libraries API, this interface can be u...]]> http://www.devshed.com/c/a/AJAX/Uncompressing-Source-Files-with-Googles-AJAX-Libraries-API/?kc=rss Mon, 12 Jan 2009 09:00:45 -0500 http://www.devshed.com/c/a/AJAX/Using-the-jQuery-Framework-with-Googles-Ajax-Libraries-API/?kc=rss - Introduction A few months ago, Google released a brand new programming interface known as “Ajax Libraries API,” which provides web developers with a number of intuitive methods that can be used for downloading some popular JavaScript libraries directly from Googles servers. The group of framew...]]> http://www.devshed.com/c/a/AJAX/Using-the-jQuery-Framework-with-Googles-Ajax-Libraries-API/?kc=rss Mon, 05 Jan 2009 09:00:46 -0500 http://www.devshed.com/c/a/AJAX/Using-Googles-Ajax-Libraries-API/?kc=rss - Introduction Without a doubt, the Web is in constant evolution, and this concept isnt a simple cliché. Its a fact that brings new challenges to both users and developers. Of course, when it comes to talking about the big contenders of this fast-changing scenario, Google immediately comes to mind ...]]> http://www.devshed.com/c/a/AJAX/Using-Googles-Ajax-Libraries-API/?kc=rss