Code Literacy
What is Null?
In code, the intentional or accidental absence of a value, often written null, nil, or None.
Learn this term every day on iPhone.
One hand-written term. A real workplace example. Thirty seconds before your day gets loud.
In real work
Flag the null user id before it crashes the review checklist in production.
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.