dpick’s gists

dpick / gist:1140742

Created August 11, 2011 20:53

	def sample_array(size, array, new_array = [])
	count = 0

	while new_array.size < size
	new_array << array[count % array.size]
	count += 1
	end

	return new_array
	end

dpick / gist:1137614

Created August 10, 2011 17:50

	inpatient = @questions["stay_overnight_at_the_hospital_one_or_more_times"]
	outpatient = @questions["have_one_or_more_outpatient_hospital_vists"]
	emergency = @questions["seek_care_at_the_emergency_room"]

	case
	when inpatient == 0 && outpatient == 0 && emergency == 0
	@draws

	when inpatient == 0 && outpatient == 0 && emergency >= 1
	top_draws(80)

dpick / gist:1132282

Created August 8, 2011 17:48

	def blah(input)
	if input.class != Array
	return [input]
	else
	return input
	end
	end

dpick / gist:1079696

Created July 13, 2011 04:01

	require 'rubygems'
	require 'parslet'

	class Mini < Parslet::Parser
	root(:lines)

	rule(:lines) { line.repeat }

	rule(:line) { (title \| ingredient \| step) >> newline.maybe }

dpick / gist:1044197

Created June 24, 2011 04:01

	<html>
	<head>
	<style type="text/css">
	div.ex
	{
	/* for firefox, safari, chrome, etc. */
	-webkit-transform: rotate(-15deg);
	-moz-transform: rotate(-15deg);
	/* for ie */
	filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=3);

dpick / des tests

Created April 5, 2011 17:43

	before(:each) do
	@key = "0111111101001001110000101000001100011100000011101111010011101001".split("").map { \|i\| i.to_i }
	@text = "0101010101010101010101010101010101010101010101010101010101010101".split("").map { \|i\| i.to_i }
	@text_bitfield = BitField.new(@text)
	@right = @text_bitfield.right
	@left = @text_bitfield.left
	@keys = KeySchedule.sub_keys(@key)
	end

dpick / mongoid find_or_create

Created March 23, 2011 19:20

user.restaurants << Restaurant.new(:name => params[:name]) unless user.restaurants.inject { |bool, rest| bool ||= true if rest.name == params[:name] }

dpick / vigenere

Created March 16, 2011 19:20

Algorithm to decrypt ciphertext created using a vigenere cipher

	key_length = key_length_guess(ciphertext)

	dot_values, shift_values = [ ], [ ]

	1.upto(key_length).each do \|start_letter\|
	letter_frequency_array = ciphertext.every_nth_letter(key_length, start_letter).letter_frequencies

	dot_values << letter_frequency_array.dot_product(ENGLISH_FREQUENCIES)

	1.upto(ENGLISH_FREQUENCIES.size - 1).each do \|i\|

dpick / vaportrails.rb

Created March 3, 2011 08:03 — forked from michaelfeathers/vaportrails.rb


	# Print the vaportrail of a ruby file in a git repo, i.e.,
	# the complexity level at each commit.
	#
	# Requires: >= bash ?.?
	# >= git 1.7.1
	# >= ruby 1.9.2
	# >= flog 2.5.0
	# >= gruff 0.3.6
	#

dpick / gist:815767

Created February 8, 2011 03:00

Vendoring Gems

Dir.glob("vendor/*").each { |gem| $LOAD_PATH.unshift "#{gem}/lib" }

David Pick dpick