automatic-ref-counting

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With ARC, what's better: alloc or autorelease initializers?

Is it better (faster & more efficient) to use alloc or autorelease initializers. E.g.: - (NSString *)hello:(NSString *)name {[详细]

2023-03-21 19:35 分类：问答
Why can't I release an object anymore? [duplicate]

This question already has answers here: 开发者_开发知识库 Under automatic reference counting, why are retain, release, and dealloc not allowed?[详细]

2023-03-20 01:43 分类：问答
What does the "strong" keyword do

I downloaded the Xcode 4.2 developer preview version and I created a cocoa application. But I found a very weird syntax in the delegate class:[详细]

2023-03-18 05:27 分类：问答
Does ARC mean I should declare static types rather than id?

The ARC document is publicly available on the LLVM site, so NDA is not an issue here. I find that in getting my code ready for ARC, I am using (NSObject*) in a lot of situations where I would have fo[详细]

2023-03-17 23:38 分类：问答
Automatic Reference Counting (ARC) says that invoking [super dealloc] is forbidden...what is the alternative?

I\'m starting to use iOS5 and I\'ve enabled ARC for my project.I have a class where on deallocation I save the state of that object.[详细]

2023-03-16 18:00 分类：问答
how to use delegates with Automatic Reference Counting

I\'ve jumped on the ARC bandwagon. In the past I would have my delegate properties declared like this:[详细]

2023-03-16 03:20 分类：问答
init] in automatic reference counting

I know that I am suppose to use: ObjectClass *tmpObject = [[ObjectClass alloc] init]; realObject = tmpObject;[详细]

2023-03-15 05:55 分类：问答
Clang's ARC support and cycles

Clang has new feature called ARC. Concep开发者_开发问答t looks cool. Is this feature support detecting cycles?ARC has support for weak references. If one of the references in a cycle is a weak referen[详细]

2023-03-15 04:36 分类：问答
Pass by reference and objc_unretainedPointer from iOS5

I\'m attempting to use the SFHF keychain classes (from here) with an IOS 5 project.I\'ve successfully converted most of the class over to abide by the new ARC rules.[详细]

2023-03-14 15:51 分类：问答
Are Automatic Reference Counting (ARC) applications allowed into the App Store? [closed]

开发者_运维问答 This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time,or an extraordinarily narrow situation that is not g[详细]

2023-03-14 10:54 分类：问答