My all time favorite tutorial maker Derek Banas has an extensive catalogue of programming tutorials on his Youtube channel. I’ve used those a lot, especially in my studies. His series on design patterns are golden!
I really like the tempo in them. Very hands-on and very organised.
He has a bunch of videos that covers entire techniques in a single video. Perfect if you’re a somewhat experienced developer that need to get up to speed in something.
Here’s and example: