What are the lesser known but useful data structures?(stackoverflow.com)
stackoverflow.com
What are the lesser known but useful data structures?
http://stackoverflow.com/questions/500607/what-are-the-lesser-known-but-useful-data-structures
1 comments
It really annoys me that questions like this aren't welcome on Stack Overflow anymore. This is a great example of a question which doesn't have "one right answer" but is still constructive and relevant.