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Every program must deal with errors as they occur at runtime. The program, for example, might not be able to open a file, or perhaps it cannot parse a 阅读全文
posted @ 2017-07-25 23:59
zzfx
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https://developer.apple.com/documentation/foundation/nsautoreleasepool An object that supports Cocoa’s reference-counted memory management system. An 阅读全文
posted @ 2017-07-25 23:54
zzfx
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http://www.cocoachina.com/ios/20151103/14007.html 本文翻译自 Ryan Kaplan 的 More than you want to know about @synchronized 因为原文一些内容写的不太准确，我按照我的理解做出了批注和补充。 如 阅读全文
posted @ 2017-07-25 12:10
zzfx
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http://www.cocoawithlove.com/2010/01/what-is-meta-class-in-objective-c.html In this post, I look at one of the stranger concepts in Objective-C — the 阅读全文
posted @ 2017-07-25 11:26
zzfx
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http://www.sealiesoftware.com/blog/archive/2009/04/14/objc_explain_Classes_and_metaclasses.html Objective-C is a class-based object system. Each objec 阅读全文
posted @ 2017-07-25 11:04
zzfx
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http://www.cnblogs.com/biosli/p/NSObject_inherit_2.html 函数调用 Objective-C是一门动态语言，一个函数是由一个selector(SEL)，和一个implement(IML)组成的。Selector相当于门牌号，而Implement才是 阅读全文
posted @ 2017-07-25 10:41
zzfx
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