I have the following simple code written in Swift 3: let str = "Hello, playground" let index = str.index(of: ",")! let newStr = str.substring(to: index) From Xcode 9 beta...
In Swift 2, I was able to use dispatch_after to delay an action using grand central dispatch: var dispatchTime: dispatch_time_t = dispatch_time(DISPATCH_TIME_NOW, Int64(0.1 * Double(NSEC_PER_SEC))) dispatch_after(dispatchTime, dispatch_get_main_queue(), { //...
Briefly, while using Xcode 9 Beta, I have run into the following warning: The use of Swift 3 @objc inference in Swift 4 mode is deprecated. Please address deprecated...