Fast enumeration is a language feature that allows you to enumerate over the contents of a collection. (Your code will also run faster because the internal implementation reduces message send overhead and increases pipelining potential.)
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Objective C Step 1) //Add below code in AppDelegate.h @property (retain, nonatomic) UIWindow *window; @property (nonatomic,retain) UI...
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The Application Kit is a framework containing all the objects you need to implement your graphical, event-driven user interface: windows, p...
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NSURLConnection is deprecated in OS X 10.11 and iOS 9.0 Advantage: NSURLSession also provides support for background downloads, ...
