I came across this great two part tutorial on C++ by JT Nimoy.
It’s brief, but covers a lot in that short amount of time.
Bonus, you get to learn C++ from a member of the team that worked on the amazing VFX of Tron Legacy.
Here’s an article by JT Nimoy on the software they wrote to render some of the VFX seen in the movie.
Some images from the article,