Unlike technology, which changes all the time. The core body of knowledge (in programming anyway) really hasn't changed all that much since the 90s, at least.

Unlike technology, which changes all the time. The core body of knowledge (in programming anyway) really hasn't changed all that much since the 90s, at least. Sure, the languages and frameworks have changed, and maybe I'm not typing as many semicolons as I once did, but a function is still a function and a class is still a class.