A guide to mastering pattern mixing for the office—from beginner to advanced pairings.

A media analytics startup named LumaStream is implementing a Python Cloud Functions handler that is triggered by Pub/Sub messages. The QA team requires unit tests that validate the function logic and ...

Define an interface for creating an object using the Factory Method Pattern, but let subclasses decide which class to instantiate. This creational design pattern lets a class defer instantiation to ...

I do not believe in cheating. Traditionally, the term “ braindump ” referred to someone taking an exam, memorizing the questions, and sharing them online for others to use. That practice is unethical ...

🎨 A comprehensive exploration of object-oriented design patterns, featuring fully implemented examples like inheritance, composition, observers, decorators, and factory methods. Built with Java to ...