Ask HN: Favorite Online Course/Tutorial of 2023?

Not sure when it was released, but I discovered Josh Comeau's terrific CSS course this year.

His new react course is also great!

CMU Intro to Database Systems, Fall 2023: https://www.youtube.com/playlist?list=PLSE8ODhjZXjbj8BMuIrRc...

Replit’s 100 Days of Code for Python, with the built in AI tutor was a game changer. Before when I tried to learn I would constantly get stuck with a bug, now you can go full speed as the AI is excellent of nudging you back on course.

https://replit.com/learn/100-days-of-python