Foundations
What is Hollywood Principle?
Do not call us, we will call you. Framework code runs your hooks instead of your code driving the framework.
In real work
Hollywood principle: the system calls our app delegate at launch. We do not poll the OS for lifecycle events.
How is this different from Googling it?
Google gives a definition. Prompthaus pairs each term with how it shows up in standups, PRs, prompts, and design reviews—then quizzes you until the word sticks. One term a day on iPhone.