Build apps using Asynchronous JavaScript with XML (AJAX):
AJAX (Asynchronous JavaScript with XML) enables a dynamic, asynchronous Web experience without the need for page refreshes. In this tutorial, you learn to build AJAX-based Web applications — complete with real time validation and without page refreshes — by following the construction of a sample book order application.
(Via IBM developerWorks.)
How to create object-oriented graphics using PHP:
Learn how to build an object-oriented graphics layer in PHP. Using object-oriented systems can make building complex graphics much easier than building the graphics using the primitives in the standard PHP library.
(Via IBM developerWorks.)
Sylvain Wallez: Google Base: the rise of the semantic web?:
Google Base introduces structured data to web search engines, which up to now mostly had raw text to base their search results on. A few days ago, I was chating with Bertrand about how GBase could be related to the search engine by adding a simple link to web pages:
(Via PlanetJava.org.)
Web Maker 