In Swift 2.0, Apple introduced a new way to handle errors (do-try-catch). And few days ago in Beta 6 an even newer keyword was introduced (try?). Also, knew that I can use try!. What’s the difference between the 3 keywords, and when to use each? 1 Answer 1
I am trying to register my application for local notifications this way: UIApplication.sharedApplication().registerUserNotificationSettings(UIUserNotificationSettings(forTypes: UIUserNotificationType.Alert | UIUserNotificationType.Badge, categories: nil)) In Xcode 7 and Swift 2.0 – I get error Binary Operator “|” cannot be applied to two UIUserNotificationType operands. Please help me. 4 Answers 4
Getting this error in Swift 2.0. Binary operator ‘|’ cannot be applied to two UIViewAutoresizing operands Here is the code: let view = UIView(frame: CGRect(x: 0, y: 0, width: 320, height: 568)) addSubview(view) view.autoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight Any idea what can be the problem? 6 Answers 6
Swift 2 introduced the guard keyword, which could be used to ensure that various data is configured ready to go. An example I saw on this website demonstrates an submitTapped function: func submitTapped() { guard username.text.characters.count > 0 else { return } print(“All good”) } I am wondering if using guard is any different than … Read more
