One of the more popular beta sites just came out of beta with a final public design:
Now watch closely as I read your mind.
I’m so glad you asked!
In a nutshell, Stack Overflow is for when you’re front of your compiler or editor working through code issues. Programmers is for when you’re in front of a whiteboard working through higher level conceptual programming issues. Hence the (awesome) whiteboard inspired design!
Stated another way, the best Stack Overflow questions tend to have actual source code in the questions or answers. It’s much rarer (though certainly OK) for a Programmers question to contain source code. …