Block websites so you can focus on work. Different blocklists and different sessions makes it easy for me to stay focused during the week. Best investment in myself I ever made.

There have been various studies that agree with you: teaching recursion before iteration seems to have benefits! From my experience, it seems to be extremely unpopular among teachers due to the claim that recursion is "useless in industry". My personal opinion is that learning recursion first is probably a step in the right direction, but I'm curious to hear your thoughts (in terms of their claims of the usefulness of recursion in industry).

The Dawn of Everything by David Graeber and David Wengrow. Showed all of the archaeological evidence for vast time periods where alternate governance models were put into practice, and how the history of progress that we are given is not the whole story. Useful for seeing that we are in a local minim, and can evolve into something better.

Dark Emu by Bruce Pascoe. Goes through the diaries and historical evidence of the early interactions with Australia's Aboriginals. Shows how over time their agricultural practices, towns and living environments were destroyed and replaced with a narrative that they were backwards and not using the land. Good example of how sustainable practices can look like unused natural spaces, and thus dismissed as poor uses of space.

You'll want to be cautious of, and thoughtful in, your security because you are allowing users to run untrusted code. It's not just about protecting yourself from them, but also protecting users from each other.