Bill Roy billroy

billroy / packit

Created May 21, 2013 21:44

tar-compress a directory and name the tarfile with the date

	#! /bin/bash
	tar -czvf $1-$(date +%Y-%m-%d-%H.%M).tgz $1

billroy / demo003-2.html

Last active December 11, 2015 01:09

	<html>
	<body>
	<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
	<script src="springy.js"></script>
	<script src="springyui.js"></script>


	<textarea id='network_text'
	rows=10 cols=100>
	Paste Here

billroy / InputCapture.ino

Created November 7, 2012 16:33

Arduino input capture example

	/***
	InputCapture.ino

	Timer 1 high-resolution timing facility.

	Copyright (C) 2008-2012 Bill Roy

	This library is free software; you can redistribute it and/or
	modify it under the terms of the GNU Lesser General Public
	License as published by the Free Software Foundation; either

billroy / jsonio.py

Created September 21, 2012 13:38

Read/write JSON object from file in python

	import simplejson
	import json

	def put(data, filename):
	try:
	jsondata = simplejson.dumps(data, indent=4, skipkeys=True, sort_keys=True)
	fd = open(filename, 'w')
	fd.write(jsondata)
	fd.close()
	except:

billroy / force-bounds-titles.html

Created September 17, 2012 01:14

Force directed layout with titles

	<!DOCTYPE html>
	<html>
	<head>
	<title>Force-Directed Layout</title>
	<script type="text/javascript" src="../../d3.v2.js"></script>
	<style type="text/css">

	circle {
	stroke-width: 1.5px;
	}

billroy / runny.js

Created June 18, 2012 16:53

	var util = require('util'),
	spawn = require('child_process').spawn;

	var taskid = 1;
	var numtasks = 4;

	while (taskid <= numtasks) {

	console.log('Spawning', taskid);
	var task = spawn('python', ['potato.py', '-x', '3', '-n', taskid++])

billroy / potato.py

Created June 18, 2012 16:52

	from optparse import OptionParser
	parser = OptionParser()

	parser.add_option("-n", "--number",
	dest="count", type='int',
	help="which potato am i")

	parser.add_option("-x", "--exit",
	dest="exit", type='int',
	help="exit after this many logging cycles")