Archives for May 2014

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Memory Management Part I

Not too long ago I came under the painful realization that I had been hacking my way through iOS apps without fully understanding how Memory Management works in Objective-C. Up to this point my memory management tactic was waiting for the compiler to complain and then take the suggestion the compiler provided. If that failed, Stack Overflow to the rescue! While this usually fixed the problem and works fine on small applications, it probably isn’t the best tactic when working with apps of a larger scope where performance is a big issue. So hopefully with this article I can help clarify things for you so you’re not left stuttering stupidly in an interview when they ask “What’s the difference between the stack and heap?” or “How does reference counting work?”.

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