A guide to implementing image resizing extensions for both UIKit (iOS) and AppKit (macOS) in Swift, enabling cross-platform code.
A beginner's guide to modern generic programming in Swift, covering protocols, associated types, existentials, and opaque types.
A guide to using Apple's new ExtensionKit and ExtensionFoundation APIs to create custom extension points for macOS applications.
Introducing StoreKitPlus, a Swift library that adds extra functionality and simplifies using StoreKit 2 in SwiftUI apps.
A tutorial on implementing and customizing the iOS 16+ UICalendarView for single and multi-date selection in UIKit apps.
A technical tutorial on implementing Apple's Live Text API using VisionKit's ImageAnalyzer and ImageAnalysisInteraction in iOS 16 apps.
Explains how Swift 5.7's new 'some' and 'any' keywords solve generic protocol referencing issues, improving code abstraction.
A tutorial on customizing the height of UIKit bottom sheets in iOS 16 using the new custom detent API.
Recap of WWDC 2022's Platform State of the Union, covering Swift 5.7, SwiftUI 4.0, Xcode Cloud, and new Apple developer APIs.
Explores a protocol-based approach to extending types in Swift, improving versatility and discoverability compared to traditional type extensions.
A Swift tutorial on how to fetch images from the AppKit NSPasteboard, making it behave more like UIKit's UIPasteboard.
A tutorial on creating custom command plugins for the Swift Package Manager, focusing on integrating tools like SwiftLint for source code formatting.
Using conditional compilation and deployment targets to manage SwiftUI version compatibility and remove outdated code shims.
A technical guide on how to resize images in Swift using UIGraphicsImageRenderer and AVFoundation while preserving aspect ratio.
A guide to safely unwrapping optional values in Swift using optional binding, covering syntax, use cases, and best practices.
A tutorial on implementing file selection from the iOS Files app using UIDocumentPickerViewController, covering setup, delegation, and security-scoped resource access.
The creator of Swift by Sundell reflects on the website's five-year anniversary, its growth, and future plans for content and the podcast.
Explains how Swift's @MainActor annotation works, detailing its implementation using global actors and custom executors to ensure code runs on the main thread.
Explores the challenges of designing a Codable format for Swift's AttributedString, focusing on Unicode complexities like grapheme clusters and normalization.
A Swift tutorial solving the 'Longest Substring Without Repeating Characters' algorithm problem using a sliding window technique.
