James Robertson jrobertson

🏠

Working from home

jrobertson / setup_etc-network-interfaces_static-ipv6-tunnel-via-sixxs.sh

Created May 25, 2011 23:19 — forked from pklaus/setup_etc-network-interfaces_static-ipv6-tunnel-via-sixxs.sh

SixXS Static 6in4 IPv6 Tunnel on Ubuntu / Debian defined in `/etc/network/interfaces`

	#!/bin/bash

	# IPv6 Tunnel setup of an sixxs.net tunnel on Linux using the configuration file `/etc/network/interfaces`
	# (needs the `ip` tool from the iproute suite, Ubuntu package: <http://packages.ubuntu.com/iproute>)
	#
	# Run like this:
	# ./setup_etc-network-interfaces_static-ipv6-tunnel-via-sixxs.sh
	#
	# 2011 by Philipp Klaus
	# Published on <http://blog.philippklaus.de/2011/05/sixxs-static-6in4-ipv6-tunnel-on-ubuntu-debian/>

jrobertson / edge_detection.rb

Created April 20, 2011 07:02

Edge detection with the Sobel operator in Ruby

	require 'chunky_png'

	class ChunkyPNG::Image
	def at(x,y)
	ChunkyPNG::Color.to_grayscale_bytes(self[x,y]).first
	end
	end

	img = ChunkyPNG::Image.from_file('engine.png')

jrobertson / 1.png

Created April 19, 2011 07:53 — forked from jeffkreeftmeijer/1.png

jrobertson / bassie.png

Created April 18, 2011 06:00 — forked from jeffkreeftmeijer/bassie.png

jrobertson / gist:759694

Created December 30, 2010 11:39

Software installed on the Sony Vaio VPCEB3F4E/WI Ubuntu 10.04 LTS

jrobertson / gist:706350

Created November 19, 2010 10:58

Nov2010 Shopping list

	j--r.info/gn Bosch WVH 28420 Front Loading Washing Machine *£636 j--r.info/gv [appliancedeals.co.uk] (free delivery)
	j--r.info/go BOSCH SMS69L12GB Dishwasher *£476.99 j--r.info/gw [electrical123.com]
	j--r.info/gp Bosch KGV36V10GB Fridge Freezer £456.88, *£358.99 #amazon j--r.info/gx [iguanadirect.co.uk]
	j--r.info/gs Breville JK147-01 Cordless Jug Kettle £42.00 #amazon
	j--r.info/gr Breville VST004 Silver 2 Slice Sandwich Toaster Easy Clean £24.29 #amazon
	j--r.info/gq Kenwood JK455 Energy Saving Kettle, Stainless Steel *£44.95 j--r.info/gz [johnlewis.com]
	j--r.info/gt Kenwood TTM405 Toaster Polished Steel £56.30 #amazon

	* - price from buycentral.co.uk

jrobertson / rexle_testdata.xml

Created October 28, 2010 21:43

testdata for rexle

	<tests>
	<summary/>
	<records>
	<test>
	<summary>
	<path>1</path>
	<description>return the element which matches @colour="red"</description>
	</summary>
	<records>
	<io>

jrobertson / S-rscript boot-up script

Created August 13, 2010 08:44

	require 'hashcache'
	require 'rscript'
	require 'rexml/document'
	include REXML

	@@get_routes = {}; @@post_routes = {}
	@@services = {}
	@@templates = {}
	@content_type = 'text/html'
	@rsf_cache = HashCache.new(cache: 5)

jrobertson / calculate_tt

Created June 15, 2010 08:59

	# converted from JavaScript; source: http://blog.jgc.org/2010/06/1010-code.html

	def calculate_tt(lat, lon)
	alphabet = "ABCDEFGHJKMNPQRVWXY0123456789".split(//)
	base = alphabet.length

	lat += 90.0
	lon += 180.0

	lat *= 10000.0

jrobertson / Hello World

Created April 14, 2010 07:44

puts 'Hello World'