Explores a Swift compiler bug where re-binding 'self' in a weak closure breaks Xcode debugging, with historical context on weak/strong self patterns.
A guide to generating random numbers and values in Swift using the native APIs introduced in Swift 4.2, covering basic generation, collections, and custom types.
A tutorial explaining the Adapter design pattern in Swift with a practical example of wrapping an EKEvent object.
A tutorial explaining the Dependency Injection design pattern in Swift, covering its basics, variations, and implementation for writing loosely coupled code.
A comprehensive tutorial on using Grand Central Dispatch (GCD) for multi-threading and concurrency in Swift programming.
A tutorial explaining the Swift delegate design pattern, including protocol definition, implementation, and memory management with weak references.
A Swift tutorial on creating a UICollectionView and its custom cell programmatically without using Interface Builder.
Explains closures and callbacks in Swift as foundational abstractions for handling asynchronous programming, using the 'turtles all the way down' metaphor.
A tutorial on using iOS Auto Layout anchors programmatically in Swift, covering best practices for creating constraints without Interface Builder.
Explores Swift's new @dynamicMemberLookup feature in Swift 4.2, discussing its use, potential pitfalls, and how to make dynamic calls explicit.
A tutorial on implementing the Command design pattern in Swift, with a practical example of a command-line argument handler.
A tutorial explaining the Prototype design pattern in Swift, demonstrating how to create and configure object clones with practical code examples.
A comparison of static, simple, factory method, and abstract factory design patterns using Swift code examples.
A tutorial explaining the abstract factory design pattern in Swift, including code examples for creating families of related objects.
Explains the Swift factory method design pattern with code examples, showing how to decouple object creation logic using protocols and classes.
A tutorial on implementing the simple factory design pattern in Swift to encapsulate object creation, using examples like color and environment factories.
Explains the static factory design pattern in Swift, covering named constructors, caching, and initialization scoping with practical code examples.
A tutorial on implementing the Builder design pattern in Swift to simplify the creation of complex objects like emitters, themes, and URLs.
Explains the Swift singleton design pattern, its criticisms as an anti-pattern due to global state, and proper use cases in iOS development.
Explains how to extract UITableView delegate and dataSource logic into dedicated objects to reduce view controller complexity and improve code separation.
