hansong8675

self?.button?.tag += 1 self?.button?.backgroundColor = (self?.button?.tag ?? 0) % 2 == 0 ? UIColor.red:UIColor.green $0.tag += 1 $0.backgroundColor = $0.tag%2 == 0 ? UIColor.red : UIColor.green

let date1 = ("2010-05-20 15:30:00".toDate()! + 3.months - 2.days) print("date1"+(date1.description )) let date2 = Date() + 3.hours print("date2"+(date2.description )) let date3 = date1 + [.year:1, .month:2, .hour:5] ⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️XXXXXXXXXX let date4...

比如一些第三方，没必要硬性加入 比如一些苹果弃用了的东西，该弃用就弃用 不说别的项目底线是在最新的xcode 上跑起来吧

ExtendedExampleViewConroller 这个文件只有索引文件，真实文件不存在了

uncaught exception of type NSException *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[UIViewController compactExampleButtonClicked:]: unrecognized selector sent to instance 0x7ff95ce051c0' terminating with uncaught exception of type NSException CoreSimulator...