automatic-ref-counting

相关标签：javascript jquery android 多少钱 iPhone

XCode – XCode 4.2 beta ARC will not compile

I\'m trying to build a simple OS X Command Line application in XCode 4.2 beta (Build 4D58). But I\'m getting an error when I try to compile it saying:[详细]

2023-04-10 13:36 分类：问答
Use of __attribute__'s in ARC-managed Code

When ARC came to Objective-C, I did my best to read through the Objective-C Automatic Reference Counting (ARC) guide posted on the Clang project website to get a better hang of what it was about. What[详细]

2023-04-10 03:55 分类：问答
UILocalNotification nil userInfo

I try to cancel a Local notification. I attach a dict with 开发者_高级运维a Id for locate it later:[详细]

2023-04-09 09:32 分类：问答
When converting a project to use ARC what does "switch case is in protected scope" mean?

When converting a project to use ARC what does \"switch case is in protected scope\" mean? I am converting a project to use ARC, using Xcode 4 Edit -> Refactor -> Convert to Objective-C ARC...[详细]

2023-04-08 19:35 分类：问答
How do I implement an Objective-C singleton that is compatible with ARC?

How do I convert (or create) a singleton class that compiles and behaves correctly when using auto开发者_JAVA技巧matic reference counting (ARC) in Xcode 4.2?In exactly the same way that you (should) h[详细]

2023-04-08 05:28 分类：问答
Type conversion of &self causes compiler error

In an ARC environment, I have the following code: NSInvocation* invocation = [NSInvocation invocationWithMethodSignature:signature];[详细]

2023-04-07 04:27 分类：问答
Did Xcode 4.1 support ARC?

I wrote project by ARC in Xcode 4.2, but 4.2 canno开发者_运维问答t submit apps to the app store and miss armv6 architecture. Now I need to downgrade Xcode. But if I do this, I\'ll have a lot work to d[详细]

2023-04-06 12:24 分类：问答
ARC with ASIHTTPRequest

I\'m using iOS SDK 5 to develop apps and I\'m trying to use ARC. But I need to use ASIHTTPRequest and 开发者_如何学JAVAit\'s not ARC-enabled. Apple\'s doc said it\'s OK to use ARC file-based. So I com[详细]

2023-04-06 08:32 分类：问答
Will ARC tell me when I must use __block?

AFA开发者_StackOverflow社区IK, __block is used when you\'re changing, inside the block, the address that a variable (declared outside the block) points to.[详细]

2023-04-05 18:58 分类：问答
ARC: Getting EXC_BAD_ACCESS from inside block used in delegate method

I must be doing something wrong, 开发者_C百科but the Automatic Reference Counting docs don\'t give me a hint on what it might be. What I\'m doing is calling a method with a block callback from inside[详细]

2023-04-04 09:14 分类：问答