React-Native is a hybrid mobile framework that lets you build apps using only JavaScript. However, unlike other hybrid mobile technologies… (more…)

Back in the dark ages of Swift 1, I wrote an article about locks and thread safety in Swift. The march of time has made it fairly obsolete, and reader Seth Willits suggested I update it for the modern age, so here it is! (more…)

Over the past few years, Swift has grown into a much more fully-featured programming language for building apps for the Apple ecosystem. If you’re... (more…)

Use this method of Swift 4 code to convert your hex colors to UIColor objects. Simply copy paste the Swift 4 extension to your code and use the example. (more…)

You can use the hasPrefix(_:) method to test whether a string begins with the specified prefix. (more…)