AFTabledCollectionView
December 22, 2014 ยท View on GitHub
Demonstrates how to display a UICollectionView within a UITableViewCell. This is tricky because you want to properly architect things and have a clear separation of concern (eg: you don't want your UITableViewCell to be a UICollectionViewDataSource).

Check out my tutorial for more info.
There is also a Swift version that shows off the new language.