Learn how Busy Assertion pattern can replace XCTestExpectation when unit testing asynchronous code on iOS in Swift 5.

The data persistence stack that is an appropriate decision today may not be an optimal solution when your app has grown. You would need to design your app to withstand the test of time and be exten…

Get started with the Swift Combine framework in this tutorial. Let's study what are Combine publisher, subscriber, operators, subject and publisher-subscriber life cycle; and implement several examples with the Combine framework in Swift 5.

Recently I have stumbled across a Reddit thread in r/swift, where a user is confused about why the output of his code does not match his expectation : class Member { var memberID: Int? = nil } // Array of "Member" class var members = [Member]() // temporary…

Xcode Instruments, like the Time Profiler, help you identify code problems, memory issues and more. Improve your app performance using detailed insights.

Absolute vs. relative sizing

How can you make sure your AppDelegate has a single responsibility?

Let’s take a look at how caching can be an incredibly powerful tool in various situations, how to build an efficient and elegant caching API in Swift, and how strategically caching various values and objects can have a big impact on the overall performance…

In todays tutorial we will learn how to create a side menu using SwiftUI. I have never created a side menu with UIKit, so I thought it…

A detailed explanation of Bézier curves, and how to do the many things that we commonly want to do with them.

This week, let’s take a look at a few key characteristics of the most common Swift data structures, and also how we sometimes might need to venture outside the standard library to find the right data structure for our needs.

In this article, we’ll show you how to optimize the code and speed up the compiler.

This week I want to talk about the styling of views in SwiftUI. SwiftUI provides a pretty composable architecture for building your apps. Every screen in terms of SwiftUI is a function on some data which returns a view. So let’s talk today about composable…

Swift 5.1 gives us yet another occasion to ponder ontological questions and weigh in the relative merits of various built-in types as stable identifiers.

Github introduced CI and CD based on actions. It allows you to automate how you lint, build, test, and deploy your projects on any…