112(NSError **)error

What is this ** doing again?

Oh yeah, thisand that.

569Layering one UIImage onto of another UIImage
560#import vs #include in Objective C – A quick reminder
457Singleton Classes and Shared Resources in Objective-C
420Getting current Time with Microseconds
289Simulating Keyboard & Mouse Events. And Key-Modifier Events
275UIWebView – checking when user clicks a link
269Caching on Objective-C with NSURLCache