Over the years we all come across that one article, post or even video that shows us a couple of neat tricks that we love and continue to…

An overview of the different kind of doubles we can use in our tests, and how to write them in Swift.

When getting started with unit testing, it usually doesn't take long to realize that some form of mocking is needed. Although mocking will most likely remain essential for many types of testing, this week, let's take a look at a few different ways to write…

This post describes the process for contributing code to the Swift programming language, including how to propose changes to the language, write a pull request, address feedback, and make your code part of the next version of the language.

Unwrapping, nil coalescing, map(), flatMap(), and more.

Xcode 10 introduces three new options for running your tests. These allow you to randomize the execution order, speed up the tests by running them in parallel on multiple simulators and finally to control if Xcode automatically adds new tests to a scheme.

Creating and animating 3D effects takes only a few lines of code.

Siri support can be added in multiple ways from which using a NSUserActivity is the easiest one. In a few lines of code you add Siri Support to your app.

An article about architecture, tests and much more

String to date conversions can return nil!

I’ll explore how to apply the power of RxSwift, a reactive framework, to make animation code look much cleaner, and easier to read. My client wanted a story told through a sequence of animations rather than by playing a pre-rendered video, and with RxSwift…

We will construct Swift programs that should be impossible to implement, yet somehow are not!

When refactoring in small steps, sometimes you have to make a mess to clear up a mess. Download the code and walk through these refactoring steps.

This article will cover a number of important concepts in order to work with video in iOS. It is divided into two parts. In Part 1 we will…

In this article we'll get you started with memory graph debugging and show you some of the cool features of this great tool.

How we manage the control flow within the apps and systems that we work on can have a huge impact on everything from how fast our code executes, to how easy it is to debug. This week, let's take a look at how we can use Swift's built-in error throwing and…