Following on from the NSLog links last week, Sam Deane has another take on a better logging solution for Objective-C.
Ole Begemann has been doing a great series of posts on date handling in Cocoa recently and wrapped it up with this great cheat sheet for the date and time classes in Foundation.
This is quite old code but I came across a link to it this week. Leah Culver's gives us her take on a pull to refresh table view controller. Yes there is lots of pull to refresh code out there but we can always use more right?
15 minute screencast from Bob Ueland on collision detection with Cocos2D.