- To generate a Random number between 1 and 100, for example, use:
let aRandomNumber = 1 + Int(arc4random_uniform(100))
- self must be used in closures when using a class’ method.
- For a more professional look, hide the Status Bar in IOS when launching your app. The setting is in Xcode, Project Settings, Deployment Info, Hide Status Bar.
- to round to the nearest integer use lroundf()
- to fit a control to the size of it’s content (e.g. so the all the text is visible), in Xcode use ⌘=