There is a current proposal to create a dedicated StackExchange community for concrete5. It needs followers and questions to be accepted. This has the potential to be an asset to the greater concrete5 community and provide an invaluable resource to developers.
For information on how this will compliment the concrete5 forums, there is a discussion here:
A few snippets:
StackOverflow is for when:
concrete5 forums are for when:
Here is a link that can be used to follow and write questions:
http://area51.stackexchange.com/proposals/94596/concrete5?referrer=Sru2Q9dAjbkl1Lag7gf6hw2