Why I built a spaced-repetition app for coding drills

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I used to read a solution, nod, and move on. A week later I could not write the same thing from scratch. Understanding something while it is on the screen and being able to produce it yourself are different skills, and only the second one helps in an interview or on a real project. That is why I built Daily Coding, a free web app of short drills for JavaScript/TypeScript, SQL and page building. Each drill is small enough to finish in a minute or two.

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