Memory and ARCXiaohongshu
Dangling pointers and Zombie Objects
In what situations does a dangling (wild) pointer, one that touches a deallocated object, arise under ARC?
Dangling pointers and Zombie Objects
In what situations does a dangling (wild) pointer, one that touches a deallocated object, arise under ARC?
Memory and ARCShort answerBasics
Before ARC, Objective-C code called retain, release, and autorelease directly. What did e…
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Memory and ARCMultiple choiceBasics
In Objective-C, why do you use copy instead of strong for an NSString property, as in @pr…
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Memory and ARCMultiple choiceAdvanced
In Objective-C you declare @property (atomic) int a; and run self.a = self.a + 1 a combin…
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Build and distributionShort answerAdvanced
A shipped app has a critical bug and you can't wait for App Store review. Why did Apple b…
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