Joi: validate input and define database schemas in JavaScript

As the saying goes: never trust user input. How to validate input in JavaScript with Joi. Read more


Building the JavaScript `ParseInt()` Katas

I had planned building the kata for `Number.parseInt()` already a while ago. Starting to work I discovered very quickly that this seemingly tiny kata is quite a rabbit hole that offers a lot of things one can learn. Especially about how things evolve in ... (more…)

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