Bill Clementson's Blog: iPhone App Development Notes
http://bc.tech.coop/blog/090429.html

some small tips for iphone dev

Programming using blocks in Objective-C 2.0.

Scientists (Part XXVII): Getting Closure with

What ! I didn't Grand Central Dispatch (GCD) in OS X Snow Leopard would go as far as basically strapping closure on top of C / Obj-C holy crap !