Then why don't you go learn those things? Set yourself up with a project where you'll need to learn them and go get it done. If that's not how you've learned

Then why don't you go learn those things? Set yourself up with a project where you'll need to learn them and go get it done. If that's not how you've learned everything you know to-date, then do whatever it was you did to learn those things with these new things. College is only structured learning. If you can build that structure yourself, you're only missing a piece of paper.