Objective C nonatomic, strong
摘要:
the nonatomic attribute increases performance at the cost of thread-safety, and the strong attribute indicates that a pointer to the specified variable will stay in memory as long as the object that holds the pointer exists 阅读全文
posted @ 2013-01-20 23:05 Chansonyan 阅读(146) 评论(0) 推荐(0)