Silverlight 4's New Managed Extensibility Framework
Silverlight 4's New Notification Windows
Silverlight 4's New INavigationContentLoader Interface

The Evolution of Rational Requirements Offerings
Manage development of document-based requirements in parallel with IBM Rational RequisitePro : Ways to work with requirements such as use case specifications in Microsoft Word document format

Coinciding with the commercial launch of Windows Azure, Microsoft released the Azure Tools for Microsoft Visual Studio 1.1 for creating, configuration, building, debugging, running, and packaging scalable Web applications and services on Windows Azure. And for getting your current Windows applications running in the cloud, the Windows Azure team released a beta of Windows Azure Drive.

OpenLaszlo -- A platform to rapidly build and deploy rich Internet applications : Understand what OpenLaszlo is and how it simplifies the way rich Internet applications can be developed and deployed
Python basics for PHP developers
sMashing your application... the Ajax way : Develop applications on WebSphere sMash Developer's Edition with PHP
Get to know Apache Click : Quickly write Web applications using a lightweight model free of heavy frameworks
Accessing social networking Web sites through OAuth : Build an OAuth-enabled Web Twitter client