Developer.com
Developer.com offers daily news, articles, and tutorials for professional involved in the development of applications and other technical solutions. daily coverage includes articles, tutorials, news and other resources related to all facets of development.
http://www.developer.com/
Code Guru
Codeguru is where developers can come to share ideas, articles, questions,
answers, tips, tricks, comments, downloads, and so much more related to programming in areas including c++, visual c++, c#, visual basic, asp, asp.net, java, and more.
http://codeguru.earthweb.com/
Planet SourceCode
Visual basic, vb, active server pages (asp),java, javscript,c, c++, c__ , vbscript,active server pages, asp, vbscript,sql, database, informix, oracle, sql server,perl, cgi,delphi, php,source code, programs, tutorials and help.
http://www.planet-source-code.com/
Programmers Heaven
Programmers Heaven
http://www.programmersheaven.com/
The Code Project
Free source code and tutorials for software developers and architects.
http://www.codeproject.com/
The World Wide Web consortium (W3C)
The world wide web consortium (w3c) is an international consortium where member organizations, a full-time staff, and the public work together to develop web standards. w3c primarily pursues its mission through the creation of web standards and guidelines designed to ensure long-term growth for the web. over 400 organizations are members of the consortium. w3c is jointly run by the mit pc science and artificial intelligence laboratory (mit csail) in the usa, the european research consortium for informatics and mathematics (ercim) headquartered in france, keio university in japan, and has additional offices worldwide.
http://www.w3.org/