Why you want to tell me that! She told you that has nothing to do with me. Do you think...
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//移除观察者身份 - （void）dealloc{ [[NSNotificationCenter defaultCenter] removeObserver: self];...
什么是ARC技术？与GC是否相同？ 字数1041阅读0评论0喜欢0 ARC 是Automatic Reference Counting的简称，我们称之为自动引用计数，是IOS...
