Links:

WPF Performance
http://msdn.microsoft.com/en-us/library/aa970683.aspx

http://programmers.stackexchange.com/

Books:

1. Pragmatic Programmer
   
2. Art of Computer Programming 1 to 4
   
3. The Mythical Man-month
   
4. Mathematics from the birth of Numbers
   
5. Don’t Make me Think
   
6. Magic Of Thinking Big