Modern devices are way more powerful for users to notice a difference between bubble sort and merge sort. Or not? Should everyone know how to implement Ukkonen's algorithm if they develop a weather app? What's the "Big O" of your average app and how to determine…

Make on-screen keyboard and application UI friends

WWDC is always an exciting time for iOS engineers. It's the one week a year where we're all newcomers to a whole range of features and APIs that Apple has just unleashed upon the world through their…

WWDC21 is coming pretty soon, and it is a great chance to think about the new features that I want to see in SwiftUI. This wishlist contains not only the list of the features I want to use but also possible APIs. Remember that this post is the result of my…

The aim of this tutorial is to learn how to use Custom Resolvers for complex use cases.

Swift’s enums are awesome, but they’re not always the best choice for modeling a given piece of data. Let’s explore why that is, and what other tools that can be good to keep in mind in order to avoid certain problematic enum cases.

Swift is about to get its Concurrency features. Their development is going very well, with many proposals actively reviewed and a lot of the work already available in recent snapshots....

Lazy image loading for SwiftUI

How to create and run a breath-tracking model using airpods

This article shows you how to convert your Swift code to a custom LLDB command and how to automatically load it into the debugger.

If you have an app that already uses Core Data, and have been considering the move to Realm, this step-by-step guide is for you!

Inject dates to decouple your tests from the passage of time.

Explore tutorials on SwiftUI including WebSockets, Async Animations, and Core Data with Generics. Practical examples and guides for developers.

Almost every application needs an authentication strategy

Wondering how to manage videos with AVPlayer in an iOS app? Read our tutorial and learn how to check if it has ended playing inter alia!

SwiftUI provides us a magical frame modifier that you might think is very simple and straightforward to use. But there is a lot of complicated logic under the hood. This week we will talk about fixed and flexible frames and the frame modifier to control them.

Using Decodable to decode dynamic JSON values in Swift.

Reference documentation should be searchable, linkable, and ideally integrated into IDEs. A badly structured book isn’t good enough.