The better i understand, the better i can do :)

摘要： 语言的构架和设计一定有其逻辑，不可能杂乱无章或随心所欲！ 1. 类属性修饰符：assign, retain, copy, nonatomic, strong, weak 1.1. assign: In your setter method for the property, there is a simple assignment of your instance variable to the... 阅读全文