Deliver reusable components without making them reusable

Uh oh, you picked the wrong UI architecture

UI Tests, but easier

Testing challenges in a mobile environment

Receiving designs as a developer

Supporting async/await as a module owner

Let's make a music teacher, part 4: Project structure, local modules, and a chatbot

Let's make a music teacher, part 3: Testing, Refactoring, and Flats

Let's make a music teacher, part 2: Wishful thinking and Accidentals

Let's make a music teacher, part I: Bootstrapping with ArgumentParser

Shift-left testing approaches

Let's stop filtering for a second

Reasoning about protocols

The subtleties of protocol extensions

Avoiding extension-hell with opt-in extensions