As a new programmer with an interest in hardware, this is something I've noticed quite a lot- I was able to learn everything about C/asm as in what functions are available to me to use in a rather short amount of time, but the actual usage of it is quite a lot harder, whereas with a language like python I spend way more time learning how to do something than actually doing it, or if I want to use a database, it took me almost as long to decide which database to use as it did to implement it.