I have to echo ArtOfWarfare's sentiment that you should probably read up on C if you don't know what this operator does (increments the variable by 1).
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I have to echo ArtOfWarfare's sentiment that you should probably read up on C if you don't know what this operator does (increments the variable by 1).
As ArtOfWarfare and mobilehaathi are saying, sounds like it is time to step away from the real coding and learn the fundamentals of Objective-C programming, including its C heritage.