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@peterbe
peterbe / gist:2913338
Created June 11, 2012 23:13
A very practical decorator for Django Class Based Views
from django.utils.decorators import method_decorator
def class_decorator(decorator):
def inner(cls):
orig_dispatch = cls.dispatch
@method_decorator(decorator)
def new_dispatch(self, request, *args, **kwargs):
return orig_dispatch(self, request, *args, **kwargs)
cls.dispatch = new_dispatch
return cls
@wolph
wolph / to_json.sql
Created April 6, 2012 10:35
Some functions to convert arrays/hstore to json :)
CREATE OR REPLACE FUNCTION escape_json (text) RETURNS text AS $$
SELECT replace($1, '''', '\'''); $$ LANGUAGE SQL IMMUTABLE;
CREATE OR REPLACE FUNCTION to_json(text) RETURNS text AS $$
SELECT escape_json($1) $$ LANGUAGE SQL IMMUTABLE;
CREATE OR REPLACE FUNCTION to_json(KEY text, value text) RETURNS text AS $$
SELECT '''' || to_json($1) || ''': ''' || to_json($2) || ''''; $$ LANGUAGE SQL IMMUTABLE;
@e000
e000 / donotuse.py
Created June 13, 2011 23:30
How to NEVER use lambdas.
##########################################################
# How to NEVER use Lambdas. An inneficient and yet educa-#
# tonal guide to the proper misuse of the lambda constru-#
# ct in Python 2.x. [DO NOT USE ANY OF THIS EVER] #
# by: e000 (13/6/11) #
##########################################################
## Part 1. Basic LAMBDA Introduction ##
# Well, it's worth diving straight into what lambdas are.
# Lambdas are pretty much anonymous "one line" functions
@dokterbob
dokterbob / next_previous.py
Created June 2, 2011 10:19
Django template tag to efficiently get the next or previous object in the Django queryset, with regards to the item specified.
from django import template
register = template.Library()
from templatetag_sugar.register import tag
from templatetag_sugar.parser import Constant, Variable, Name
from .utils import get_next_or_previous
"""
Efficient and generic get next/previous tags for the Django template language,
@mshuler
mshuler / github-mirror.sh
Created November 23, 2010 01:33
example github mirror from launchpad
#!/bin/sh
# OpenStack bzr to github mirror
#
# Requirements:
# git >= 1.7.0, bzr >= 2.0.0,
# git-bzr-ng, python-fastimport, patched bzr-fastimport
#####
# Set up unpackaged source:
# mkdir ~/src