[Xcode] NSLog Format

NSLog format specifiers:

%@     Object
%d, %i  signed int
%u      unsigned int
%f       float/double

%x, %X hexadecimal int
%o      octal int
%zu     size_t
%p      pointer
%e      float/double (in scientific notation)
%g      float/double (as %f or %e, depending on value)
%s      C string (bytes)
%S      C string (unichar)
%.*s    Pascal string (requires two arguments, pass pstr[0] as the first, pstr+1 as the second)
%c      character
%C      unichar

%lld     long long
%llu     unsigned long long
%Lf      long double

Reference from http://www.cocoadev.com/index.pl?NSLog