MapKit if条件1,条件2,条件3 {} switchdiscipline{  case条件1,条件2 :} do{      try<#throwingexpression#&...

letframe=CGRect(x:xOffset[column],y:yOffset[column],width:columnWidth,height:height)letinsetFrame=frame.insetBy(dx:cellPadding,dy:cellPadding) attributes.f...

 、、监听系统通知（APP进入后台）NSNotification.Name.UIApplicationDidEnterBackground、、deinit==de+init，相当于oc中的delloc  deinit{  NotificationCenter.defau...

Multi-linestringliteralclosingdelimitermustbeginonanewline"""["kdkd","keke"]"""...

30-swift-projects-in-30-days29KolodaViewisaclassdesignedtosimplifytheimplementationofTinderlikecardsoniOS.ItaddsconvenientfunctionalitysuchasaUITableView-styled...

https://www.perfect.org/docs/index_zh_CN.html，swift做服务器端开发 上传到appStore的ipa苹果会自动加一层防护壳，如果想要反编译从appStore下载的ipa包，必须要先要进行一次脱壳操作。...

self.tableView.scrollToRow(at:IndexPath.init(row:0,section:0),at:.top,animated:true)self.tb.scrollRectToVisible(CGRect(x:0,y:48,width:self.tb.frame.size.width,h...

self.performSegue(withIdentifier:"ShowResults",sender:self)  guardletcontroller=segue.destinationas?TagsColorsViewControllerelse{   &nb...

{ funcdetectScene(image:CIImage){  answerLabel.text="detectingscene..."     //LoadtheMLmodelthroughitsgeneratedclass&nbs...

、、extension给原类，添加属性和方法extensionSelector{  staticlettoMenu=#selector(SWRevealViewController.revealToggle(_:))  staticlettoExtra=#selector(SWR...

 UNNotificationActionUNNotificationCategory UNCalendarNotificationTrigger UNMutableNotificationContentUNNotificationAttachmentUNNotificationReque...

scale3DTouch//定义一个枚举类型enumShortcut:String{  caseopenBlue="OpenBlue"}//APP正在运行时，下面的方法会响应3DTouch操作funcapplication(_application:UIApplication,performActi...

　　#selector(xiuGaiNote(_:))    @objcfuncxiuGaiNote(_note:Notification)->Void{    letdic=note.userInfo  &nbs...

//  funccanBecomeFirstResponder()->Bool{//    returntrue//  }  overridevarcanBecomeFirstResponder:Bool{&nbs...

 、、   [UIApplicationsharedApplication].networkActivityIndicatorVisible=YES; 、、Set(）union(）...