NSLog placeholders, common file types, escape characters

"Objective-c Common file Types"

File Type	Description
. m	OC Source file
. h	Header file
. C	C Source Files
. cc	C + + source files
. mm	oc++ source File

"Escape character"

character	Description
\b	Backspace
\ t	Tab
\ r	Enter
\ t	Horizontal tabulation
\v	Vertical tabulation
\\	Back slash

"Format placeholder, commonly used bold slash means"

placeholder	Description
%@	Formatting objects
%i	formatting integers, including negative numbers
%p	Pointer
%f	Floating point Float
%e	The scientific counting method of floating-point numbers
%g	Floating point number
%u	No-character shaping unsigned int
%hi	Format Short int
%hu	Format unsigned short int
%li	Format Long int
%lli	Format Long Long int
%x or%x	binary integers
%o	Eight-binary integers
%s	C string
%.*s	Pascal string
%c	Character
%c	Unichar
%llu	unsigned long long int
%lg	Long double
%zu	size_t

From for notes (Wiz)

NSLog placeholders, common file types, escape characters