Switching from scripting languages to Objective C and iPhone: useful libraries :: Hackdiary
o go the other way, dictionaries and arrays gain a JSONRepresentation method.Starting out with Objective-C - The Unofficial Apple Weblog (TUAW)
While we've previously mentioned how to delve into programming in Objective-C, there have been some recent releases of educational materials that can help those who want to learn the language
Starting out with Objective-C.14 Essential Xcode Tips, Tricks and Resources for iPhone Devs
Thủ thuật cho XcodeiPhone SDK Examples
Links and ResourcesiPhone Dev 101: Introduction - The Unofficial Apple Weblog (TUAW)
Sobre desenvolvver para o iPhone
Objective-C 入門Cocoa for Scientists (Part XXVII): Getting Closure with Objective-C | MacResearch
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 !