I was recently working on a project that uses modern collection views on iOS — that is, using diffable data sources, snapshots, and cell providers. I hooked ...

In his book Succeeding with Agile, Mike Cohn defined the concept of a test pyramid. Mike presented a visual metaphor depicting a pyramid of…

5 practical example of using Swift's higher order function to reduce code complexity when dealing with complex algorithms.

In this post, we’ll explore how to manage SwiftUI navigation state with a single array. This will make it much simpler to hoist that state into a high-level view, and reap the benefits of the coordina

One of the interesting things from WWDC this year in not just that Swift is adopting AsyncSequence but that Apple is fully behind it rather than further expanding support for Combine. This raises...

SwiftUI finally got native search support in iOS 15. We can add search functionality to any navigation view with the new searchable modifier. Let's explore its capability and limitation.

Take your lists to the next level with swipe actions

Lets explore how actors work under the hood, using Swift's own source code as a guide to finding out how they work inside the compiler.

In the previous article we took a first look at WebGPU and got familiar with the essential pieces of the API, the command submission model, and drawing in 2D from a static buffer. In this article, …

Doing high-performance 3D rendering on the Web has always been a tricky proposition. WebGL, in its quest for programmer familiarity and cross-platform ubiquity, adopted the API of OpenGL ES. As suc…

CMTime is a struct representing a time value such as a timestamp or duration. CMTime is defined by CoreMedia and it is often used by AVFoundation API interfaces.

Because the interface of CMTime is horrible, and its documentation is even worse, here you have…

Swift development related blog-posts. Combine, modern concurrency model, Instruments, and more.

Introduction

Elevate your interfaces using the new materials.

If you've placed your Core Data model, or some other type of resource, in a Swift Package you may be surprised when you can't access it from unit tests in the package.

Buttons have gained a few new tricks this year, let's see how we can take advantage of them!

During our careers, we primarily build apps that work with web services to retrieve and upload data. Remote image is one type of that data that we need to download and display. SwiftUI provides us the AsyncImage type, which is a view that downloads and shows…

Learn about executing a dynamic amount of concurrency in Swift using Task Groups.

MainActor in Swift replaces DispatchQueue.main and ensures tasks are performing on the main thread in a performant manner.