Juris Galang jurisgalang

jurisgalang / totp

Last active November 17, 2017 00:46

Ruby implementation of the Time-Based One-Time Password (TOTP) Algorithm described at http://tools.ietf.org/html/rfc6238

	[jgalang@rashomon:~/Code/skunkworks/2fa]
	∴ ruby totp_demo.rb

	Time(sec) Time (UTC format) Value of T(Hex) TOTP Mode OK
	------------------------------------------------------------------------------------------
	59 1970-01-01 00:00:59 0000000000000001 94287082 SHA1 ✔
	59 1970-01-01 00:00:59 0000000000000001 46119246 SHA256 ✔
	59 1970-01-01 00:00:59 0000000000000001 90693936 SHA512 ✔
	1111111109 2005-03-18 01:58:29 00000000023523EC 07081804 SHA1 ✔
	1111111109 2005-03-18 01:58:29 00000000023523EC 68084774 SHA256 ✔

jurisgalang / gist:3967058

Created October 28, 2012 00:50

Fuzzy tile image rendering in Processing


	PImage image = loadImage("/Users/jgalang/Desktop/yoko2.jpg");

	void setup() {
	if (image.height != displayHeight) {
	//image = image.get();
	image.resize(0, displayHeight);
	//image.loadPixels();
	}
	size(image.width, displayHeight, P3D);

jurisgalang / slitcamera.pde

Created October 24, 2012 04:25

Slit camera simulation in Processing


	// just fire it up and dance slow in front of the camera...

	import processing.video.*;
	Capture device;

	void setup() {
	size(640, 320);
	device = new Capture(this, width, height, 30);
	device.start();

jurisgalang / recursive-backtracker.html

Created July 30, 2012 16:00

Maze generation using the depth-first search algorithm.

	<html>
	<head>
	<script src="processing.js"></script>
	</head>
	<body>
	<canvas id="maze" style="border: 2px solid #202020"></canvas>
	<script type="text/javascript">
	var sketch = new Processing.Sketch();

	var MAXCOLS = 40;

jurisgalang / named-parameters.rb

Created November 10, 2010 21:48

Module to enable/simulated named parameters support in Ruby

	# NamedParameters
	# ---------------
	# This module enables/simulates named parameters support in Ruby
	# see: http://en.wikipedia.org/wiki/named_parameter
	#
	# This is also available as a Ruby gem, the project is available at
	# https://github.com/jurisgalang/named-parameters - and is more up-to-date
	# than this gist.
	#
	# To install the gem:

jurisgalang / gist:663353

Created November 4, 2010 23:00

Gitisms - useful git invocations for everyday use.

	# get the name of the currently checked out tag
	git describe --tags --abbrev=0

	# list all branches (local and remote)
	git branch -a

	# list all tags
	git tag

	# delete a tag

jurisgalang / breeding-strings.rb

Created October 31, 2010 07:19

Source code for the Breeding Strings article.

	#!/usr/bin/env ruby
	# encoding: utf-8

	=begin
	* Name: string-breeder.rb
	* This script will breed the string value: "Hello World" (sans quotes)
	* or whatever was passed as the argument.
	* No warranties implied, but feel free to copy, modify, and share.
	* Author: Juris Galang
	* Date: February 2009