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