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Build Google IG like Ajax Start Page in 7 days using ASP.NET Ajax and .NET 3.0 Fri, 11 January 2008
 

Build Google IG like Ajax Start Page in 7 days using ASP.NET Ajax and .NET 3.0

 Category: Ajax and .NET

Abstract: Omar Al Zabir,co-founder and CTO of www.pageflakes.com, shows how to build a start page similar to Google IG in 7 nights using ASP.Net Ajax, .NET 3.0, Linq, DLinq and XLinq.

I have logged my day to day development experience in this article and documented all the technical challenges, interesting discoveries and important design & architectural decisions. You will find the implementation quite close to actual Google IG. It has drag & drop enabled widgets, complete personalization of the pages, multi page feature and so on. It's not just a prototype or a sample project. It's a real living and breathing open source start page running at http://www.dropthings.com/ which you can use everyday. You are welcome to participate in the development and make widgets for the project.
Just what is AJAX all about? Sun, 06 January 2008
 

Just what is AJAX all about?

 Category: Technique Introduction

Abstract: Have you wondered what AJAX is, and whether you should learn to apply it in your web development work? You’ve probably heard the buzzword, but what exactly makes AJAX tick? Let's take a look "under the hood" and see just what the buzz is all about.

AJAX is an acronym for Asynchronous JavaScript and XML. It is a development technique for creating interactive web applications. Unlike classic web pages, which must load in their entirety if content changes, AJAX allows web pages to be updated asynchronously by exchanging small amounts of data with the server behind the scenes.
how to enable server-side history management in an ASP.NET Ajax application Fri, 04 January 2008
 

how to enable server-side history management in an ASP.NET Ajax application

 Category: Ajax and .NET

Abstract: This screencast shows how to enable server-side history management (in other words, handling the back button) in an ASP.NET Ajax application.

The whole video is less than 15 minutes total and I build the whole application from scratch in there (in VB).
AJAX validation with Django, newforms and MochiKit Tue, 01 January 2008
 

AJAX validation with Django, newforms and MochiKit

 Category: JavaScript Framework

Abstract: This tutorial presents the example code for using Django, newforms and MochiKit to do AJAX validation.

Before we get going, some context: the Christian Camps in Wales web site has a forum system which allows people to create polls. I rewrote this recently to use newforms, mainly to keep up to date with Django, and also to try out some AJAX.

I first had to write a 'Form' subclass which encapsulates the logic for validating and processing the form. As it happens, the form is based on a model 'Poll', but it requires more fields. In particular, this single form is used to create all the PollOption objects that are attached to the Poll. This is handled by a simple textarea field, into which all the options are entered on separate lines. In Django, we implement this using a custom 'Field' that uses the 'Textarea' widget and adds the relevant validation.
Introduction to Cross-Domain Ajax Fri, 21 December 2007
 

Introduction to Cross-Domain Ajax

 Category: Technique Introduction

Abstract: AFAIK, the cross-domain Ajax calls are prohibited on the browser level due to the security reason. What to do if you really need to use the different source for Ajax response? This article is a great overview of the available tips and tricks.

What's this all about?

First, lets talk about the problem for a bit. It goes by the name same origin policy, and this explanation from mozilla.org is typical:

The same origin policy prevents document or script loaded from one origin from getting or setting properties of a document from a different origin.
-- From http://www.mozilla.org/projects/security/components/same-origin.html

This means that it is largely impossible to load scripts from one domain into another. For example, the following are prohibited:

  • Issuing an XMLHttpRequest() to another domain (a core component of Ajax).
  • Accessing or modifying the DOM of a <frame> or <iframe> which has a src attribute with another domain.
  • Accessing or modifying another window (or tab) which has a different location.
Two-Faced Django Part 7: PyFacebook and FBJS Ajax Tue, 18 December 2007
 

Two-Faced Django Part 7: PyFacebook and FBJS Ajax

 Category: Facebook MockAjax

Abstract: This is a latest tutorial about PyFacebook that demonstrates how to use FBJS Ajax along with PyFacebook

Now we have most of the fb app put together, we just need to add a little ajax functionality to the fb app and we're ready to go. If you haven't followed along, you can download a snapshot of the code we've developed.
In general this is where we'd begin to spin up the urls -> views -> tempates development engine, but we actually already implemented the urls and views for this in the web app. Its a little bit unseemly to make our apps dependent on each other, and a cleaner way would be to have a third app that would hold all universal or shared components (I like to call that third app api).
FBJS and Ajax to acheive Facebook profile link tracking Tue, 18 December 2007
 

FBJS and Ajax to acheive Facebook profile link tracking

 Category: Facebook MockAjax

Abstract: This tutorial shows how to create a short script that will track and log the user activity.

In interactive application development we love our ability to track and analyze the behavior of our users. Through tools like Google analytics and Urchin, web sites can monitor and analyze where their users are going, and more importantly how those users are getting there.

As our company delves deeper into creating applications for the Facebook platform, we have realized that analysis of users behavior is extremely important. It is no secret that very few companies have mastered how to create a success Facebook application. Those that have seen moderate success do one thing consistently, they all leverage the social graph, but outside of that there is no clear blue print to success. Using techniques such as user tracking we can begin to tune the way a Facebook applications evolves as a way to change its presentation based on the behaviors of its users.
FBJS/Examples/Typeahead/AJAX Tue, 18 December 2007
 

FBJS/Examples/Typeahead/AJAX

 Category: Facebook MockAjax

Abstract: This wiki article demonstrates how to use Typeahead feature to provide a classical suggestion field behavior.
FBJS/Examples/Ajax Tue, 18 December 2007
 

FBJS/Examples/Ajax

 Category: Facebook MockAjax

Abstract: The wiki article shows the basic of FBJS Ajax. It demonstrates how to use the different type of Ajax output - Ajax.RAW, Ajax.JSON and Ajax.FBML to update page upon Ajax response.

Ajax examples are below even though I think this page was meant for one example and people added in more. If you haven't implemented ajax on the fb platform then you probably want to start from the FBJS page.
AJAX Wrapper for Facebook JavaScript Tue, 18 December 2007
 

AJAX Wrapper for Facebook JavaScript

 Category: Facebook MockAjax

Abstract: Collin Chung wrote an extension to the FBJS Ajax. This article demonstrates bow to use those new feature.

Introducing fAjax, an AJAX wrapper for Facebook JavaScript. It features caching, simple throttling and queueing of requests (and responses).

About 2 weeks ago, I tried to implement browser-side caching for my Facebook app. I went through the Ajax Typeahead example, and abstracted the AJAX communications portion into a simple wrapper class. I isolated the caching and submission throttling functionalities from Tyson Malchow's code, and later, I added queues support, adapting from jQuery's Ajax Queue plugin. Like the plugin, the wrapper allows for both response synchronization and request queueing. The former fires all requests immediately but executes the responses in order, while the latter processes each request and response sequentially.

Ajax News
  • Cynergy Systems Announces Creation of Cynergy Labs To Help Unleash RIA Creativity
    2008-01-31 15:30:00
    Cynergy Systems announced the creation of Cynergy Labs, which is... [more]

  • 4D Ajax For Dreamweaver v11 Now Available
    2008-01-29 16:00:00
    SAN JOSE, Calif., Jan. 29 /PRNewswire/ -- 4D Inc., maker... [more]

  • Genuitec and ICEsoft Round Out Enterprise Ajax Development
    2008-01-28 15:00:00
    Genuitec announced a new partnership with ICEsoft Technologies. ICEsoft is... [more]

  • Cynergy Unlocks the Hidden Potential of AJAX through Cynergy Labs
    2008-01-28 14:45:00
    Cynergy Systems announced the creation of Cynergy Labs, which is... [more]

  • Visual WebGui Launches AJAX Enterprise Application Development and Deployment Platform and Announces Silverlight Compliant Solution Supported by Microsoft
    2008-01-24 11:00:00
    Company Solves Enterprise Level Development Complexities and Security Challenges by... [more]

  • Firedraw: World's First and Only Ajax Based Visual Modeling Tool
    2008-01-21 08:13:50
    Firedraw www.firedraw.org is World's First and Only Ajax based modeling... [more]

  • Desiderata Releases Jaxcent (Java AJAX) for the Internet
    2008-01-16 16:30:42
    Jaxcent V2, recently released, provides full Java AJAX Programming capabilities... [more]

  • Rich Internet Applications vs AJAX: "2008 Will Be A Crucial Year"
    2008-01-15 07:15:00
    While AJAX, as XML co-inventor Tim Bray puts it, 'tries... [more]

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