fata Daily (programming quiz)
A five-minute daily quiz on real code: find the bug, the output or the broken line.
Every day: A new daily quiz of real code for each topic and difficulty, such as TypeScript Medium or CSS Easy, the same for everyone who picks it; you finish against the clock and share a result code. New puzzle: Daily.
fata is a daily programming quiz for working developers. Each day there is a new quiz for each topic and difficulty, from CSS to Rust, made of short questions on real code: tap the line that causes an error, read the tests, and move on against a timer. Your result can be shared as a code.
About fata Daily (programming quiz)
fata calls itself full-stack fundamentals for professional developers: real code, short sessions and a new quiz every day. Its maker launched it on Show HN in September 2026 as a five-minute daily habit against the skill rot that comes from leaning on coding assistants.
Before you start you choose a topic and a difficulty, for example CSS Easy, TypeScript Medium or Rust Easy, and that day's quiz for the pair is the same for everyone who picks it. A quiz is a run of about ten short questions with a progress bar and a clock. One question shows a compiler error, such as Rust's E0614 for dereferencing an f64, beside a short program and its tests, and asks you to tap the line that causes it. Others ask about output or behaviour in the same hands-on way.
At the end you get a row of squares for right and wrong answers and your time, with a link that encodes your result, so colleagues can compare on the same quiz. No login is needed, and the interface is available in English and French.
How to play fata Daily (programming quiz)
- Open fata's daily page and choose a topic and difficulty.
- Press Start quiz.
- Read each question and the code, switching to the Tests tab when it helps.
- Answer, for example by tapping the line that causes the error, then press I'm done.
- Finish all the questions and share your result code.
Screenshots
Tips
- Read the error message and its line and column first; they usually point straight at the culprit.
- Check the Tests tab to see what the code is meant to do before deciding what is wrong.
- Pick a language you use at work for a quick daily check, and an unfamiliar one when you have time to learn.
Questions
Is the daily fata the same for everyone?
Yes, for each topic and difficulty: everyone who picks, say, TypeScript Medium gets the same quiz that day and can share a result code.
Do I need an account?
No. The daily quiz plays in the browser without logging in.
Is fata free?
The daily quiz is free to play.
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