I summarized useful links for learning Django as below. I always open this page when I develop a project in Django.

Tutorials:
Writing your first Django app, part1
Writing your first Django app, part 2
Writing your first Django app, part 3
Writing your first Django app, part 4
Writing your first Django app, part 5
Advanced tutorial: How to write reusable apps
The Django Book

General:
Settings
User authentication in Django

Views:
Django shortcut functions

Template:
The Django template language
Built-in template tags and filters

Database:
Making queries
QuerySet API reference
Performing raw SQL queries

The 3rd Party Packages:
django-tables2: a good app for create good looking tables