cbrumelle’s gists

cbrumelle / Douglas Adams on biscuits

Created January 11, 2016 23:58

	"This actually did happen to a real person, and the real person is me. I had gone to catch a train, This was April 1976, in Cambridge, U.K.
	I was about twenty minutes early.
	I'd got the time of the train wrong. I suppose it is at least equally possible,"
	he added after a moment's reflection,
	"that British Rail had got the time of the train wrong. Hadn't occurred to me before."
	"Get on with it." Fenchurch laughed.
	"So I bought a newspaper, to do the crossword, and went to the buffet to get a cup of coffee."
	"You do the crossword?"
	"Yes."
	"Which one?"

cbrumelle / headers.rb

Created December 4, 2012 07:45

	# Currently in Rails 2 and 3...
	# https://github.com/rails/rails/blob/3-2-stable/actionpack/lib/action_dispatch/http/headers.rb
	#
	# headers = ActionDispatch::Http::Headers.new
	# headers['HTTP_FOO_BAR'] = 'a1b2c3'
	# puts headers['foo-bar'] #=> 'a1b2c3'
	# puts headers.has_key? 'foo-bar' #=> false
	# puts headers.has_key? 'HTTP_FOO_BAR' #=> true
	#
	# I found this pseudo hash syntax, where the array [] lookup returned a value,

cbrumelle / irbrc.rb

Created February 17, 2011 00:46

	require 'irb/completion'
	ARGV.concat [ "--readline",
	"--prompt-mode",
	"simple" ]

	require 'irb/ext/save-history'
	IRB.conf[:SAVE_HISTORY] = 100
	IRB.conf[:HISTORY_FILE] = "#{ENV['HOME']}/.irb_history"

	# load wirble

cbrumelle / humanize_large_number.rb

Created November 5, 2010 18:37

Format large numbers nicely for millions, billions and trillions

	# Format large numbers nicely for Millions, Billions and Trillions
	# Example:
	# humanize_large_number(123456789) => 123.46M
	# humanize_large_number(123) => 123

	def humanize_large_number(i)
	i = Integer(i)
	case i
	when 1000000..999999999
	"%.2fM" % (i/1000000.0)

cbrumelle / Distance.sql

Created July 22, 2010 16:57

Calculate distance in MySQL from Points

	DELIMITER $$

	DROP FUNCTION IF EXISTS `test`.`distance` $$
	CREATE FUNCTION `distance`(a POINT, b POINT) RETURNS double
	DETERMINISTIC
	COMMENT 'distance function'
	BEGIN
	RETURN round(glength(linestringfromwkb(linestring(asbinary(a), asbinary(b)))));
	END $$

cbrumelle / sequel_to_json.rb

Created July 13, 2010 01:00

Add 'to_json' method to Sequel datasets

	# Monkey patch/hack for adding in a to_json for Sequel datasets
	# See http://sequel.rubyforge.org
	class Sequel::Dataset
	def to_json
	naked.all.to_json #Note: 'naked' converts dataset to plain hash...
	end
	end

cbrumelle / ycombinator-example.js

Created June 28, 2010 19:49

ycombinator in Javascript

	// From: http://matt.might.net/articles/implementation-of-recursive-fixed-point-y-combinator-in-javascript-for-memoization/
	//
	// A "functional" is just a function that takes
	// another function as input.

	// The Y combinator finds the fixed point
	// of the "functional" passed in as an argument.

	// Thus, the Y combinator satisfies the property:

cbrumelle / map-interface-test.html

Created March 15, 2010 09:09

	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
	"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

	<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
	<script src="prototype.js"></script>
	<script language="javascript" type="text/javascript" src="jsonp.js"></script>
	<title>JSONP test page</title>
	</head>

cbrumelle / kd-tree.rb

Created March 10, 2010 21:23

KD-TREE's in ruby

	require 'pp'

	class KDTree
	attr_reader :root
	attr_reader :points

	def initialize(points, dim)
	@dim = dim
	@root = KDNode.new(dim).parse(points)
	end

cbrumelle / sample.html

Created March 2, 2010 09:58

	<!-- include the data file. This dumps everything into a JS variable called 'data' -->
	<script src="/data/genres.js" type="text/javascript"></script>

	<!-- print out some trivial data to show that it's loaded -->
	<script>
	$('container').update("Total count from trackdata is: " +
	data.trackdata.total +
	" <br />and total count from listendata is: " +
	data.listendata.total);
	</script>

Colin Brumelle cbrumelle