NSString* docPath = [NSHomeDirectory() stringByAppendingPathComponent:@"Documents"];
Thursday, August 30, 2012
Thursday, August 23, 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.
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