Collapsable Table View for iOS

if you're trying something new with UITableView namely a way to collapse it's display, checkout: http://www.codeproject.com/Articles/240435/Collapsable-Table-View-for-iOS

How to cheat at blocks (for iOS)

Christopher Pickslay of Two Bit Labs:

Blocks are an incredibly powerful addition to Objective-C, introduced in iOS 4. However, their syntax can be maddeningly difficult to remember.

And with that, Christopher created a blocks cheatsheet.