crystal lattice
晶格
a great book about Algorithm http://www2.toki.or.id/book/AlgDesignManual/INDEX.HTM
sql server developer
http://beta.verycd.com/groups/@g19046/135284.topic
http://beta.verycd.com/groups/@g19046/64613.topic
A great idea about context help:
1)http://www.codeproject.com/csharp/ContextHelpMadeEasy.asp
2)http://netpl.blogspot.com/2007/07/context-help-made-easy-revisited.html
How to deal with hotkey / accelerator keys in activex
http://support.microsoft.com/?scid=kb;EN-US;Q187988
You know how to google ,you know almost every thing.