Thursday, August 30, 2012

Wednesday, August 01, 2012

Nil - NULL - NSNULL

There are 3 ways to represent a null value in Objective-C.

Nil            -> Absence of value with Objective-C object variables.
Null          -> Absence of value with C- style pointers.
NSNULL -> A nil boxed as an object for storage in a collection.

Swift Operators - Basic Part 3 (Range operators in swift)

Range Operators: Closed Range operators  Half-Open Range Operators One-Sided Ranges Closed Range Operators:  a...b It defines...