sparr’s gists

sparr / gist:9875737

Last active August 29, 2015 13:57

one bitflip per increment

	A binary numerical encoding wherein sequential integers only differ from each other
	by a single bit. I'm calling this "one bitflip per increment" encoding. This is my
	proposal to a question posed on the Artisan's Asylum discussion mailing list, with
	the topic being looking for numerical encodings that are friendly to possibly-genetic
	algorithmic solutions to problems where only bitwise operations are used, and thus
	finding a solution of "10000" from "01111" is unlikely, while finding "10000" from
	"10001" is easy. The nth lsbit of the mask flips every 2^n increments.

	bin \| obpi \| mask
	0000 \| 0000 \| 0000

sparr / gist:8409141

Last active January 3, 2016 04:29

depluralize mediawiki template parameter

sparr / sched_to_guidebook_exhibitors_csv.pl

Last active December 26, 2015 11:19

convert sched.org vendor list exported csv to guidebook exhibitor list importable csv

	#!/usr/bin/perl

	use Text::CSV;

	my @rows;
	my $csv = Text::CSV->new ( { binary => 1 } ) # should set binary attribute.
	or die "Cannot use CSV: ".Text::CSV->error_diag ();

	# discard metadata non-rows
	<>; # Sched: [nameoflist],Downloaded on 1999-09-09 9:09:09 pm,,,,,,,,,,

sparr / gist:7030099

Created October 17, 2013 18:46

NECTR packing list

sparr / gist:6287686

Last active December 21, 2015 09:49

testing gnu grep 2.5.1 for matching leading unescaped curly braces

	sparr$ grep --version
	grep (GNU grep) 2.5.1

	Copyright 1988, 1992-1999, 2000, 2001 Free Software Foundation, Inc.
	This is free software; see the source for copying conditions. There is NO
	warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

	sparr$ echo "foo { bar" \| grep "{"
	foo { bar
	sparr$ echo "foo { bar" \| grep -E "{"

sparr / cobblerd_set_date.snippet

Created August 14, 2013 21:06

cobblerd snippet to set the date and time via kickstart %pre

	# set the date and time
	#import time
	#set $timestamp = $time.strftime("%m%d%H%M%Y.%S",$time.gmtime());
	date -u $timestamp
	hwclock -w -u

sparr / git remote -v

Created August 5, 2013 19:17

`git remote -v` while troubleshooting ruby instructions

	origin [email protected]:sparr/ruby.git (fetch)
	origin [email protected]:sparr/ruby.git (push)
	upstream git://github.com/ruby/ruby.git (fetch)
	upstream git://github.com/ruby/ruby.git (push)

sparr / fb_list_edit_profile_links.js

Last active December 18, 2015 16:49

Add profile links to Facebook friend list management

	// run this with the "Edit [list]" dialog open
	// it will add a Profile link above each user's photo
	checkboxes = document.getElementsByName('checkableitems[]');
	for(var i=0, n=checkboxes.length;i<n;i++) {
	var a = document.createElement('a');
	var linkText = document.createTextNode("Profile");
	a.appendChild(linkText);
	a.href = "http://facebook.com/" + checkboxes[i].value;
	a.target = "_blank";
	checkboxes[i].parentNode.insertBefore(a, checkboxes[i]);

sparr / nperry_resume.html

Last active December 16, 2015 16:09 — forked from ultimape/nperry_resume.html

	<!DOCTYPE html>
	<html lang="en">
	<!--
	One Page HTML/CSS resume design, copyright 2013 Nicholas Perry.
	Structure and design of HTML and CSS released under Creative Commons Attribution-ShareAlike 3.0 Unported License http://creativecommons.org/licenses/by-sa/3.0/deed.en_US
	Personal Content is used as exmaple, but is not licensed for re-use, please update all content (including meta tags) before republish/reuse.
	For inquerys, contact nicholas.t.perry at gmail.com and refer to this gist: https://gist.github.com/4509098.

	Please do not remove this copyright notice and include a note on modifications if you choose to use this for your own resume.
	-->

sparr / gist:5265567

Created March 28, 2013 18:17

ohai output on OSX 10.7, lightly censored

Clarence "Sparr" Risher sparr