Short. Just a few questions I used to have answered quickly
A short description of most important concepts you need to know when working with Angular. It's a huge topic, so short is relative.
The most important things you'll need when working with the testing library Jest
The most important things regarding NodeJS, Express and MongoDB/Mongoose. There's a lot missing, though
Work in progress: All the basic features of the Rust programming language. Mostly a summary of frannek94`s udemy tutorial, to be fair. But condensed, and in one file.
An introduction to advanced concepts in RxJS
The easy parts of Scaled Vector Graphics
The different approaches to authenticate websocket strategies I found on the web, briefly laid out