Weekly articles about Swift and iOS Development

How to use custom names for Swift properties when decoding JSON data

Learn how to map JSON keys to differently named Swift properties using CodingKeys.

Implementing Passkeys in iOS with AuthenticationServices

A practical introduction to passwordless authentication using passkeys on iOS.

Preventing forgotten database migrations with automated tests in iOS

Learn how to automatically detect migration errors before shipping.

How to build a simple CLI tool using Swift

Create small automation tools with Swift and ArgumentParser.

How to use SwiftUI Coordinators to communicate with UIKit

Bridging UIKit delegates and events back into SwiftUI.

Migrating to the Observation framework in SwiftUI

Learn how to use SwiftUI's @Observable macro.

A visual cheat sheet of Combine operators

A diagram-based reference for common Combine publisher operators.

How to use String Catalogs for pluralization in Swift

Learn how to handle plural forms correctly with String Catalogs.

Memory management in Combine

Understand how retain cycles appear and when they turn into memory leaks in Combine.

Storing Swift structs in UserDefaults

Why Codable works but often isn't the best choice.

Understanding date decoding strategies when working with JSON in Swift

Learn how Swift decodes dates and how to handle real-world formats.

Understanding SwiftUI's Grid container

Learn how to arrange views in a two-dimensional layout.