Buildspace offers free, online, cohort-based courses on building web3 blockchain apps. If you're interested in dipping your toe into the world of Ethereum apps, the blockchain, or NFTs - it's a great starting point.
For years I did a weekly coding livestream of my React and Python work on Twitch every week, and I'm getting back into it again. This is what sticks out to me as the most valuable learnings from those experiences.
If you come across array.filter(Boolean) in JavaScript code, never fear! It's a handy bit of functional programming that cleans up arrays with null and undefined values in them.
