I've tried Codecademy for Python, but their approach doesn't really teach you the concepts very well or in enough detail. For example, their AngularJS tutorial

I've tried Codecademy for Python, but their approach doesn't really teach you the concepts very well or in enough detail. For example, their AngularJS tutorial didn't explain how to set up tooling or how to structure an application. It just jumps into directives (I think?) without giving you much context.