playerken

摘要： Thus, we arrive at the rules that all stylish Objective-C programmers follow when writing initializers:• If a class has several initializers, only one... 阅读全文

摘要： What is this resignFirstResponder business? Here is the short version:Some view objects are also controls. A control is a view that the user can inter... 阅读全文

摘要： 目录控制开关，若存在则创建log文件，输出。宏函数，若debug打开，则输出。多线程输出到同一文件。通过mutex控制多个进程同时创建log文件。 阅读全文