A guide to creating a type-safe heterogeneous dictionary in Swift, similar to SwiftUI's environment, with custom keys and value types.
A guide to implementing an accessible custom tab bar in iOS, covering the Large Content Viewer and .tabBar trait to match native behavior.
Explains Swift 5.6's type placeholders, a feature that simplifies generic type declarations by letting the compiler infer certain types.
A guide to implementing unit testing and UI testing for Swift applications, covering principles, best practices, and a practical case study.
Explains the Visitor design pattern in Swift with code examples, showing how to add functionality to objects without modifying their original code.
A technical guide to fully customizing the UINavigationBar in UIKit, covering background, title, button colors, and status bar style.
Announcing the fifth edition of Advanced Swift, updated for Swift 5.6 with new concurrency content, property wrappers, and a hardcover print edition.
A tutorial on building a Swift CLI tool for generating app icons on Linux and macOS using Swift Argument Parser and SwiftGD.
A tutorial on implementing single and multiple selection in UITableView using UIKit's diffable data sources.
A guide on introducing Test-Driven Development (TDD) to a software team through leading by example and building consensus.
Analyzes the downsides of exhaustive testing in The Composable Architecture (TCA), arguing it leads to fragile tests and violates TDD principles.
A guide to debugging and inspecting files in iOS apps using the Files app and Xcode's container download feature.
A tutorial on using the SwiftHttp library to build async HTTP API clients in Swift, featuring async/await support and request handling.
Explains abstract types and methods in Swift, comparing abstract base classes with protocol-oriented approaches for defining shared interfaces.
A beginner's tutorial covering the basics of creating, accessing, and manipulating arrays in the Swift programming language.
Explains how Swift implements equality using the Equatable protocol, covering value vs. reference types, automatic synthesis, and conditional conformance.
Explains why XCTNSPredicateExpectation is slow for async tests and recommends using Nimble's toEventually for faster, more reliable tests.
A tutorial on building a C application by importing and using a Swift library, covering Swift/C interoperability and compiler flags.
A tutorial on creating rich documentation for Swift frameworks using DocC and deploying it to GitHub Pages for static hosting.
A guide to integrating a native mock HTTP server within XCTest for iOS UI testing, using Swifter to isolate tests from backend dependencies.
