To be able to do anything interesting, a Swift program needs to take decisions based on whether some condition is true or not. This is done through conditionals.

Swift has several conditionals. The most common one is the if statement, which we will cover in this article.

Learning how to program is not an easy task. But it is straightforward to get started with it by following a very simple Swift tutorial.

The very first program everyone writes is called Hello World. It teaches you the basics of creating and running a program in any language.

Any iOS developer, at some point, feels the need to make the step from basic to advanced concepts.

You can get a lot of mileage from the fundamentals of Swift and iOS development.

But working on complex projects demands a new set of tools if you want your code to be reusable and remain at the same time maintainable and testable.

If you are looking to expand your Swift knowledge into more advanced topics and understand why you would need such concepts, this article is for you.

Many developers find unit testing confusing. This is made worse by the advanced techniques you need to test classes or asynchronous code, like the one for network requests.

In reality, at the base of unit testing, there are simple fundamental concepts. Once you grasp those, unit testing suddenly becomes more approachable.

Generics are a great feature of Swift that allow you to generalize and reuse code in ways that would not be possible otherwise.

They are also a quite advanced feature and become a roadblock for many developers. The iOS SDK uses generic extensively, something that is especially true in SwiftUI.

In this article, I will show why generics exist and how to use them in your apps.

SwiftUI is a revolutionary way to create user interfaces on iOS and other Apple platforms.

It introduces a new declarative syntax that allows you to build user interfaces packed with features quickly.

In this article, I will show you an overview of the SwiftUI features you will need in every iOS app you will ever build.

When developing iOS apps in Swift, you are bound, sooner or later, to encounter weak self references. That’s especially true in the callbacks of network requests.

At first, weak self references might seem puzzling and, sometimes, annoying. In this article, we will see why they are needed and how you can fix them in your code.