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Learning Objective-C 2.0: A Hands-On Guide to Objective-C for Mac and iOS Developers
book

Learning Objective-C 2.0: A Hands-On Guide to Objective-C for Mac and iOS Developers

by Robert Clair
July 2010
Beginner content levelBeginner
416 pages
9h 51m
English
Addison-Wesley Professional
Content preview from Learning Objective-C 2.0: A Hands-On Guide to Objective-C for Mac and iOS Developers

14. Reference Counting

People who live in apartments often face a storage problem: They have more stuff than places to put stuff. Solving this problem requires shuffling possessions in and out of basement storage lockers and periodically going through the apartment and throwing out things that are no longer needed. Managing memory usage is the computer science equivalent of the apartment-dweller’s problem.

Memory management is important because memory is a limited resource. Although it is true that current computers can have amounts of physical memory that would have seemed like an intoxicated dream only a few years ago, the average program’s memory requirements and the users’ expectations have also increased. Keeping a program’s memory footprint ...

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Publisher Resources

ISBN: 9780321712110Purchase book