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from django.forms.models import model_to_dict
class ModelDiffMixin(object):
"""
A model mixin that tracks model fields' values and provide some useful api
to know what fields have been changed.
"""
def __init__(self, *args, **kwargs):
@bwbaugh
bwbaugh / classify.py
Created April 25, 2013 21:03
Detecting a Specific Watermark in a Photo with Python Get example training and testing images here: <http://bwbaugh.com/stack-overflow/16222178_watermark.tar> Stack Overflow question: <http://stackoverflow.com/questions/16222178/detecting-a-specific-watermark-in-a-photo-with-python-without-scipy>
# Copyright (C) 2013 Wesley Baugh
"""Tools for text classification.
Extracted from the [infer](https://github.com/bwbaugh/infer) library.
"""
from __future__ import division
import math
from collections import defaultdict, namedtuple, Counter
from fractions import Fraction
@igniteflow
igniteflow / Custom getter and setter for Django model fields
Last active May 24, 2023 13:50
Custom getter and setter for Django model fields. This allows custom logic to be added to getters and setters without making any changes to existing code or database schema.
from django.db import models
class Person(models.Model):
_first_name = models.CharField(max_length=30, db_column='first_name')
last_name = models.CharField(max_length=30)
@property
def first_name(self):
"""your logic here, return value"""
return "foo"
@jonah-williams
jonah-williams / circle.yml
Last active May 29, 2019 14:53
Automating deployments to Heroku from CircleCI
test:
override:
- bundle exec rspec spec
deployment:
acceptance:
branch: master
commands:
- ./script/heroku_deploy.sh <ACCEPTANCE_HEROKU_APP>:
timeout: 300
@jbenet
jbenet / simple-git-branching-model.md
Last active April 9, 2024 03:31
a simple git branching model

a simple git branching model (written in 2013)

This is a very simple git workflow. It (and variants) is in use by many people. I settled on it after using it very effectively at Athena. GitHub does something similar; Zach Holman mentioned it in this talk.

Update: Woah, thanks for all the attention. Didn't expect this simple rant to get popular.

@ushu
ushu / S3 buckets copy.md
Created October 29, 2013 16:12
Copy between S3 buckets w/ different accounts

This is a mix between two sources:

basically the first resource is great but didn't work for me: I had to remove the trailing "/*" in the resource string to make it work. I also noticed that setting the policy on the source bucket was sufficient. In the end these are the exact steps I followed to copy data between two buckets on two accounts

Basically the idea there is:

  • we allowe the destination account to read the source bucket (in the console for the source account)
  • we log as the destination and start the copy
@codeinthehole
codeinthehole / private_repos.py
Created February 12, 2014 11:54
Dirty script for finding repos to archive
import requests
import datetime
import sys
# Pass your OAuth token
token = sys.argv[1]
# Fetch all private repos (lazy - assumes only two pages)
headers = {'Authorization': 'token %s' % token}
response = requests.get(
@Bouke
Bouke / gist:11261620
Last active August 3, 2023 01:46
Multiple Python installations on OS X

Previous versions used homebrew to install the various versions. As suggested in the comments, it's better to use pyenv instead. If you are looking for the previous version of this document, see the revision history.

$ brew update
$ brew install pyenv
$ pyenv install 3.5.0
$ pyenv install 3.4.3
$ pyenv install 3.3.6
$ pyenv install 3.2.6
$ pyenv install 2.7.10

$ pyenv install 2.6.9

@IzumiSy
IzumiSy / manifest.json
Last active November 6, 2022 20:29
Chrome.storage.sync example
{
"name": "SyncExtension",
"version": "0.1",
"manifest_version": 2,
"description": "Storage Sync Extension",
"permissions": [ "storage" ],
"browser_action": {
@NotSqrt
NotSqrt / settings_test_snippet.py
Last active May 1, 2022 01:34 — forked from nealtodd/settings_test_snippet.py
Another shot at this problem ..
class DisableMigrations(object):
def __contains__(self, item):
return True
def __getitem__(self, item):
return "notmigrations"
MIGRATION_MODULES = DisableMigrations()