Codec ░ string

305Converting float to string %4.2f

printf ("floats: %4.2f %+.0e %E \n", 3.1416, 3.1416, 3.1416);

floats: 3.14 +3e+000 3.141600E+000

640printf()ing string in C++ 632Inline Functions in C 564NSData to NSString and vice versa 452Padding with Zeros (or other characters) 420Getting current Time with Microseconds

73Concatenating Strings @”string1″ @”string2″ @”stringN”

That’s basically it.

No more
[@"string1" stringByAppendingString:@"string2"];

or
[NSString stringWithFormat:@"string1%@", @"string1"];

just
@"string1" @"string2" @"stringN" -> @"string1string2stringN"

The Objective-C 2.0 Programming Language.pdf, p131

565Stripping Characters from an NSString 564NSData to NSString and vice versa 532OSC to and from the iPhone with VVOSC 484Printing Selectors in NSLog 452Padding with Zeros (or other characters)