This middleware fixes generation of URLs for admin interface and {% url %} resolving when you're mounting application to the subtree of site, e.g. if you use SCGIMount /prefix/ and serve application using SCGI, or if you use WSGI and want to bind Django application to some prefix.
Decorator adding arbitrary HTTP headers to the response. This decorator adds HTTP headers specified in the argument (map), to the HTTPResponse returned by the function being decorated. Example: @headers({'Refresh': '10', 'X-Bender': 'Bite my shiny, metal ass!'}) def index(request): ....
This hack replaces all INNER JOINs inside to the LEFT OUTER JOINs (see http://code.djangoproject.com/ticket/3592 for explanation). Use: QLeftOuterJoins(Q(...) | Q(...) & (Q(...) | ....)).
Q() value in Django is identity for & operation: Q() & foo & bar & ... == foo & bar & ... QEmpty() is complimentary identity for | operation: QEmpty() | foo | bar | ... == foo | bar | ... QEmpty() itself returns empty queryset. Handy for complex query generation.
dottedmag has posted 4 snippets.