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http://blog.csdn.net/buutterfly/article/details/6617375 内存溢出 out of memory,是指程序在申请内存时,没有足够的内存空间供其使用,出现out of memory;比如申请了一个integer,但给它存了long才能存下的数,那就是 阅读全文
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https://en.wikipedia.org/wiki/Memory_management Memory management is a form of resource management applied to computer memory. The essential requireme 阅读全文
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异常处理的本质:状态回滚或者状态维护。 https://en.wikipedia.org/wiki/Exception_handling In general, an exception breaks the normal flow of execution and executes a pre-r 阅读全文
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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
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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
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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
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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
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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
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https://developer.apple.com/library/content/documentation/Cocoa/Conceptual/ProgrammingWithObjectiveC/Introduction/Introduction.html About Objective-C 阅读全文