SharePoint's best coding practices

It's easy to get caught on bad coding practices when using the SharePoint API. First, you need to download the SharePoint Dispose Check tool and run it against your code; and then read the following links, which have useful information:

http://msdn.microsoft.com/en-us/library/aa973248.aspx
 

http://blogs.msdn.com/b/rogerla/archive/2008/02/12/sharepoint-2007-and-wss-3-0-dispose-patterns-by-example.aspx

 
https://www.nothingbutsharepoint.com/sites/devwiki/SP2007Dev/Pages/When%20to%20Dispose%20SharePoint%20objects.aspx