摘要:
self.contentView 里有时会出这样的子视图。。。。<UILabel: 0x81667f0; frame = (0 0; 0 0); clipsToBounds = YES; userInteractionEnabled = NO; layer = <CALayer: 0x8166880>> 阅读全文
摘要:
(lldb) po [success compare:@"yes"] $1 = 0 <nil> (lldb) p [success compare:@"yes"] (int) $2 = 0 (lldb) p [success isEqualToString:@"yes"] 安全写法 (char) $ 阅读全文