Displaying a list from Core Data is very simple, but what if you need to get your data from an API? For data out of CoreData or in an array, you can just throw it into a List or ForEach loop. For data you have to retrieve from somewhere else, this becomes…

As an iOS developer, how many times you stare at Xcode to see Build Succeed alert even for a single line of a code change?

How do you display the standard iOS modal view with SwiftUI?

Finding and breaking retain cycles

Updated March 2020 with more thoroughly accurate timing diagrams, after vetting against iOS13.2, iOS 13.3, and iOS13.4 beta. Combine was announced and released this past summer with iOS 13. And wit…

What’s wrong with navigation anyway?

Learn how to perform background tasks in your iOS App.

Let’s take a look at one of the core aspects of object-oriented programming — initialization. What characteristics should an initializer ideally have, and what sort of techniques could be useful in order to keep our initializers simple and predictable?

Explore how to animate changes in SwiftUI.

Handle interactions, action and animations in just few lines of code

This article is the second one in the Replicating series where we recreate UI elements of high-quality apps. Here we take a look at Apple Card app.

This article is the third one in the Replicating series where we recreate UI elements of high-quality apps. Here we take a look at Apple’s Activity app.

Dependency Inversion helps to create independent modules, change or replace one module without touching dependent modules. Learn more…

Learn how you can use the new diffable data source that was introduced at WWDC 2019. This article also explains some best-practices to keep in mind.

Custom layouts with UICollectionViewFlowLayout are complex to build. Learn how to build layouts much quicker with UICollectionViewCompositionalLayout.

Reproduce "No space left on device" crashes in your app. Learn how to get insights in low storage errors happening in your app and solve them.

What's New in Vapor 4 We've been working on the fourth major release of Vapor for almost a year now. The first alpha version was tagged last May, with the first beta following in October. During that time, the community has done amazing work helping to test…

This week I want to continue the series of posts about building custom interactive views in SwiftUI. Today we will create a pager view. ScrollView in SwiftUI support only scrolling content and doesn’t have paging behavior. That’s why we will build a pager…

Personal journal, notes and project workplace.

Learn how to implement the new BackgroundTasks framework in iOS 13