I really enjoy the types of problems on PuzzleNode[1]. My local coder meetup does one each month for code reviews. Their puzzles are just deep enough to where y

I really enjoy the types of problems on PuzzleNode[1]. My local coder meetup does one each month for code reviews. Their puzzles are just deep enough to where you need to think through how you'll design the system. They're really fun for exploring different programming techniques. [1]http://www.puzzlenode.com/ http://www.puzzlenode.com/