Swift Tutorials

Default Value in Swift Dictionaries

Learn how to provide default values in Swift dictionaries, and how to get back actual values instead of nil even when keys do not exist.
Failable Initializer in Swift

Read about the failable initializer in Swift, and how to use it in custom types in order to return nil if proper initialization fails.
Higher Order Functions in Swift - reduce, contains, allSatisfy, removeAll

This post showcases four handy higher order functions in Swift necessary in everyday programming that all devs should be constantly using.
Higher Order Functions in Swift - forEach, filter, sorted

Three quite common higher order functions in Swift; forEach, filter and sorted. Read on to find out what they are for and how to use them.
Higher Order Functions in Swift - map, compactMap, flatMap

This post presents and explains three important and common higher order functions in Swift that are important tools to every developer.
Higher Order Functions in Swift - An Introduction

What exactly are higher order functions in Swift? This post explains that, and it goes one step further by showing how to create your own.
The @discardableResult Attribute in Swift

Read about the @discardableResult attribute in Swift and learn how to ignore return values from methods when you don't want to use them.
Working With Property Lists in Swift - Part 2

In the second part of Working with Property Lists in Swift series see how to perform advanced encoding and decoding of property lists.
Working With Property Lists In Swift - Part 1

Find out in this first part of Working with Property Lists in Swift series how to use Codable to encode and decode to and from plist files.
Getting Local File's Type Identifier From URL in iOS & macOS Apps

Getting the type identifier of a local file using the URL is an often needed task. Learn more in this post, and how to get other types that conforms to.