Google Code Search another very useful search service by Google.

The Google Code Search is the unique search that searches only for codings and reults only codings. The Google Code Search can be used to search code snippets, or regular expressions, file types.

If you are working in a project and dont know or cannot understnad how to code a particular section in the project, you can use the Google Code Search to look for anyother projects that 've implemented your ideas in codes, you can learn form them or even use those codings.

This is a very very useful service for developers. the Google Code search can be accessed here, http://www.google.com/codesearch