Adventures in Swift and iOS App Development
There's many ways to handle errors in Swift. For some errors, using throws is a great way to handle errors without crashing the system. Download the exercise file. You'll find a project with an embedded playground. While there's a lot better ways to do this, I'll use an example of a function coffee(name:) that finds …
The power behind all computing is data. We collect data, process data, present data and most importantly store data. Without storage, the others are meaningless. In a live app, we can store our data in collection types such as dictionaries and arrays. But that only works when the app is working. When the app closes, …
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