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…

The State pattern, made simpler and more flexible with the power of Swift, with a detailed worked example to illustrate handling of new requirements, also looking at key design and implementation considerations and the benefits and practical applications…

Thanks to SE-0228, you can control exactly how you want string interpolations to print. Thank you Brent for giving this to us. It’s a doozy! Let me share some examples. Consider printing opti…

The least you need to know to make XCTest work with user interfaces

If you use the Twitter app on iOS you might have noticed that tapping the buttons in the tab bar makes them bounces. This is a very subtle animation that I really like so I decided to do the same for the tab bar in the app I currently work on.

iOS is a visual medium teeming with beautiful images in virtually every app on your phone. Important though they are, it's trivial to mismanage them from a memory and performance standpoint.

Let’s learn how to achieve better testability for View Controller with decoupling and Protocol-Oriented-Programming approach in Swift

Learn how to simplify your UITableViews by using data-driven approach. We'll implement UITableViewDelegate and UITableViewDataSource once and reuse them everywhere with this Swift 5 tutorial.

In our day-to-day life, dates are pretty straight forward - we read them all the time, make plans around them, and share them with other people. Apart from the occasional missed birthday party all of these date-based tasks go surprisingly smoothly - which…

This ultimate guide to Auto Layout in iOS covers everything you need to know to build dynamic UIs on iPhone and iPad

zxcvbn is an easy to use password strength meter. In this short article we'll go over setting it up and estimating password strength with zxcvbn.

One of the most challenging decisions that all programmers have to make on an ongoing basis is when to generalize a solution versus just keeping it tied to a specific use case. This week, let’s take a look at a way of building UIs that might allow us to strike…

How do you deal with the system interrupting your UI tests to ask the user for permissions?

Scroll views with images are featured ubiquitously in iOS apps. Images help engage users but showcasing them on a small device as the…

Simple macOS editor app to help you manage iOS and macOS app localizations by allowing you to edit all the translations side by side - igorkulman/iOSLocalizationEditor

In this season of giving, let’s stop to consider one of the greatest gifts given to us by modern computer systems: the gift of abstraction.

Add a little depth to your user interface using shadows

You need to be especially careful with value types and closures in Swift to avoid memory leaks.