Derek Schaefer derek-schaefer

derek-schaefer / qr.html

Created June 6, 2012 12:31

QR Code Generator

	<html>
	<head>
	<title>QR Code Generator</title>
	<style type="text/css">
	#container {
	width: 800px;
	margin: auto;
	}
	#generator {
	width: 350px;

derek-schaefer / gist:2925756

Created June 13, 2012 18:50

PostGIS Template Creation Script

	#!/bin/sh

	# Run a command as the postgres user
	AS_POSTGRES="sudo -u postgres"

	# Set path to postgresql contrib path
	POSTGIS_SQL_PATH=/usr/share/postgresql/9.1/contrib

	#Create the template spatial database
	$AS_POSTGRES createdb -E UTF8 -T template0 template_postgis

derek-schaefer / gist:3248483

Created August 3, 2012 15:10

PhantomJS Webpage Rendering

derek-schaefer / perlin-noise-classical.js

Created August 9, 2012 16:20 — forked from banksean/perlin-noise-classical.js

two Perlin noise generators in javascript. The simplex version is about 10% faster (in Chrome at least, haven't tried other browsers)

	// Ported from Stefan Gustavson's java implementation
	// http://staffwww.itn.liu.se/~stegu/simplexnoise/simplexnoise.pdf
	// Read Stefan's excellent paper for details on how this code works.
	//
	// Sean McCullough [email protected]

	/**
	* You can pass in a random number generator object if you like.
	* It is assumed to have a random() method.
	*/

derek-schaefer / gist:3380245

Created August 17, 2012 16:09

Working with git submodules

	# After cloing a git repo with submodules:

	git submodule init
	git submodule update

	# To later update these submodules:

	git submodule foreach git pull origin master

derek-schaefer / urlencode.py

Created September 12, 2012 14:40

Django template tag for URL encoding

	from django.template import Node, Library

	import urllib

	register = Library()

	class URLEncodeNode(Node):

	def __init__(self, nodes, plus=False):
	self.nodes = nodes

derek-schaefer / replace.py

Created October 4, 2012 17:05

Django template tag for replacing substrings

 from django.template import Library, Node, Variable, \
     VariableDoesNotExist, TemplateSyntaxError
 register = Library()
 def get_var(v, context):
     try:
         return v.resolve(context)
     except VariableDoesNotExist:
         return v.var

derek-schaefer / emacs24.sh

Created December 13, 2012 16:50

Install Emacs 24 on versions of Ubuntu before 12.10

	#!/bin/sh

	sudo apt-get install python-software-properties
	sudo add-apt-repository ppa:cassou/emacs
	sudo apt-get autoremove --purge emacs*
	sudo apt-get update
	sudo apt-get install emacs24-nox

derek-schaefer / speedtest.sh

Created April 23, 2013 16:13

Test your download speed via the command line with wget.

wget --output-document=/dev/null http://speedtest.wdc01.softlayer.com/downloads/test500.zip

derek-schaefer / play.conf

Created June 19, 2013 14:55

A sample Upstart script for managing a Play application. Bypasses the "start" script.

	description "Play"

	env USER=user
	env GROUP=group
	env HOME=/opt/yourapp
	env JAVA=/usr/bin/java
	env JAVA_OPTS="-cp ./staged/* play.core.server.NettyServer ./.."
	env PORT=80
	env EXTRA="-Xms128M -Xmx512m -server"