The naming decides the coupling. ReserveInventory names a recipient and expects an outcome; OrderPlaced names neither, so a second consumer can be added without touching the publisher. Past…
Passing money as an integer means every function taking it has to validate it, and every one of those validations needs a test. Passing a type that cannot…
Coming from PHP, the surprising thing is not that the container exists — it is that there is exactly one, it ships with the framework, and every library…
A new project used to arrive with forty megabytes of vendor code and one route. The framework got smaller, and the interesting part is what happens at install…
A client that times out and retries has sent the same request twice, and the server cannot tell whether the first one succeeded. The key makes the retry…