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what are the differences between strong and strong, weak and weak?

原文 2013-10-29 14:02:02 0 1 ios/ iphone

I am a noob in ios programming. Please, explain me the meaning for these __strong and __weak properties and why they are used?

1 answers

strong和weak是属性声明中使用的修饰符，而__strong和__weak用于变量的声明。

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Related Question Is this strong or weak? Difference between Strong and Weak IBOutlets iVars references strong, weak or what? Difference between strong and weak property in scrolling image strong weak IBOutlet in iOS 6 Strong and Weak Confusion in iOS ALAssetsLibrary resultBlock weak or strong reference iOS method with weak versus strong Conditionally make a @property strong or weak How to handle weak and strong pointer?

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what are the differences between __strong and strong, __weak and weak?

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1 answers

solution1 10 ACCPTED 2013-10-29 14:05:43

what are the differences between strong and strong, weak and weak?

solution1
10 ACCPTED 2013-10-29 14:05:43