shazow

"""
Handy Python functions written by Andrey Petrov (shazow). I release this code
under public domain. (Attribution is optional but appreciated.)

Approximate changelog (according to https://gist.github.com/603374):

    2011-05-05
    - I made a proper github repo out of this:
      https://github.com/shazow/unstdlib.py

mhulse

# ...

class Category(Base):
    
    slug = models.SlugField(_(u'slug'), max_length=100, unique=True)
    title = models.CharField(_(u'title'), max_length=250)
    parent = models.ForeignKey('self', blank=True, null=True, related_name='child')
    
    class Meta:
        verbose_name_plural = 'Categories'

jsundram

# http://en.wikipedia.org/wiki/Extreme_points_of_the_United_States#Westernmost
top = 49.3457868 # north lat
left = -124.7844079 # west long
right = -66.9513812 # east long
bottom =  24.7433195 # south lat

def cull(latlngs):
    """ Accepts a list of lat/lng tuples. 
        returns the list of tuples that are within the bounding box for the US.
        NB. THESE ARE NOT NECESSARILY WITHIN THE US BORDERS!

marktheunissen

This playbook has been removed as it is now very outdated.

earthgecko

#!/bin/bash
# bash generate random alphanumeric string
#

# bash generate random 32 character alphanumeric string (upper and lowercase) and 
NEW_UUID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)

# bash generate random 32 character alphanumeric string (lowercase only)
cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 32 | head -n 1

hanleybrand

import requests
from io import open as iopen
from urlparse import urlsplit

def requests_image(file_url):
    suffix_list = ['jpg', 'gif', 'png', 'tif', 'svg',]
    file_name =  urlsplit(file_url)[2].split('/')[-1]
    file_suffix = file_name.split('.')[1]
    i = requests.get(file_url)
    if file_suffix in suffix_list and i.status_code == requests.codes.ok:

addyosmani

Update May 2017

Eric Bidelman has documented some of the common workflows possible with headless Chrome over in https://developers.google.com/web/updates/2017/04/headless-chrome.

Update

If you're looking at this in 2016 and beyond, I strongly recommend investigating real headless Chrome: https://chromium.googlesource.com/chromium/src/+/lkgr/headless/README.md

Windows and Mac users might find using Justin Ribeiro's Docker setup useful here while full support for these platforms is being worked out.

bwbaugh

# 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

geotheory

#' GGPLOT2 FUNCTIONALITY FOR MAPPING TO HEXAGON SIZE AND COLOUR AESTHETICS
#' by Robin Edwards, 2013 (geotheory.co.uk, @geotheory)
#' This has been adapted from the ggplot bin_hex.R script that underpins geom_hex, etc
#' (see https://github.com/hadley/densityvis/blob/master/R/bin-hex.r).
#' 
#' These functions implement aesthetic mapping to hexagon size (area), in addition to the existing 
#' colour-mapping functionality.  The key change is the addition of a new fourth variable (var4)
#' to hex_bin(), which complements the inbuilt hexagon binning functionality.  The 'frequency.to.area' 
#' argument enables the default mappings of binned data to colour and var4 to size to be interchanged.
#' The hmin/hmax arguments [0,1] set area mapping constraints (hmax can exceed 1).

rxaviers

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