An illustrated guide to Django's ORM by drawing analogies to equivalent SQL statements.
Linking your user model to your custom profile model in Django.
Links and brief descriptions of Classy Class-Based View/Forms/REST Framework which are vital additional documentation resources.
Precious Ndubueze breaks down a default Django project one generated file and folder at a time.
A good introduction to basic Linux commands for developers. This is a nice refresher for developers of any skill level.