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Sams Teach Yourself Objective-C in 24 Hours, Second Edition by Jesse Feiler

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Hour 5. Using Compiler Directives

What You’ll Learn in This Hour

Image Exploring code from a template

Image Working with prefix headers

Image Controlling compilation with compiler directives

Image Reviewing the file structures of your code

Exploring Your Projects

If you have followed the steps in Hour 4, “Using Xcode 5,” you now have your first Xcode project built in ...

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