376Variable length of accuracy of float in NSString 

float f = 1.23456;

NSLog(@"%.2f", f);
NSLog(@"%.0f", f);
NSLog(@"%.0f", f);

1.23 1 1.23456

565Stripping Characters from an NSString
564NSData to NSString and vice versa
484Printing Selectors in NSLog
452Padding with Zeros (or other characters)
447Stripping out NSLog() from the Release Build
383String By Appending Path Component
381Zero-Padding in Objective-C