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Content Tagged with How-To + Ajax

Javascript closures are tricky yet powerful aspects of the language. John Resig recommends this article to learn about closures.

Our Mission * Create a database that will store our images. * Create a home page that retrieves all of the photos that are stored in our database. * Allow the user to upload photos. * Write some validation to ensure that the user enters a proper description and chooses an image * Use jQuery to allow the user to asynchronously update and delete specific photos.

Grails and Flex both have significant advantages in different parts of the software stack. In this new article you will learn how they can be combined to take advantage of each's strengths.

An easy way to use YQL data in your javascript application.

We just released a video showing the path we took in order to create web applications using Erlang and Mochiweb. Since it is our first video, your feedback about it is more than welcome. I hope you will like it.

This post serves as a collection of useful tutorials on working with AJAX in a wide variety of ways. You’ll find tutorials on working with forms, building shopping carts, creating chat features, working with log-ins and usernames and much more.

This tutorial will walk you through the steps of creating a simple database-driven AJAX application using Direct Web Remoting (DWR) 2.0, Hibernate 3.0 and a new open source project from Nexaweb Technologies, dojo.E. dojo.E is an extensible markup processing engine that out-of-the-box will translate XML into dojo components.

Ajax has been around for yonks now and it’s not news. However, many people seem to still shy away from learning JavaScript. Having JavaScript or more specifically ECMAScript under your belt is really beneficial. JavaScript is used in many areas other than the browser; ActionScript, FireFox’s Plugins, Server side (i.e. Aptana Jaxer), Google’s V8 and various others. To mention a quick extra note on V8 as its fairly new news, its the JavaScript engine behind Google Chrome however its standalone and can be used in any project you wish. Find out more about it at the V8 webpage. It’s a good way to get into dynamic programming if you are more used to languages such as C# and Java. This is a list of the things I think you should check out if you want to learn JavaScript.

Last week I shared my MooTools Typewriter Class with you. It was pretty well received and I got a few feature requests that I’ve implemented including “backspacing” and character variance delays. I’m not going to explain the old code, so click here to get the full explanation on the class.

These are a few key concepts of JavaScript language that developers should know: execution context, activation object, variable instantiation, scoping, closure, eval and “this” keyword. This is a good article explaining these concepts...

Learn Adobe Flex from scratch. Adobe Flex is next generation framework to develop Rich Internet Applications.

By default Wicket shows error messages together in a single place in the HTML form. This has some drawbacks to usability, especially if you have long forms with lots of fields. Read further for a tutorial exploring possibilities to improve the location of the error on the page, thereby improving usability.