Circular imports in Python can be avoided with "import module.module" instead of "from module.module import function" (Solves ImportError: cannot import name function)

Python subprocess checking the output of a django manage.py command:

import subprocess
subprocess.check_output(['python', 'manage.py', 'show_urls'])

Strip newline(s) at end of file then split the file by middle newlines:

for line in data.rstrip('\n').split('\n'):
(Strip chars at beginning of string with lstrip.)

Check if a python module is being run directly:

if __name__ == '__main__':
    main()

Return index of last substring in a string:

str.rindex('substring')

DjangoJS exposes a list of site URLs by default at http://localhost:8000/djangojs/init.js

Restrict the action of an ng-click in AngularJS based on the state of a setting:

ng-click="settings.wafflesEnabled && doSomethingWithWaffles()"

Generate a UML diagram of all models in a Django project:

python manage.py graph_models -g -a -o data_model.png --exclude-models=Whatever