roberthead

use_devise = ENV['devise'] || false
create_homepage = ENV['home'] || false

git :init

append_file ".gitignore", "config/database.yml"
run "cp config/database.yml config/example_database.yml"

git add: '.'
git commit: "-m 'Initial commit'"

roberthead

Math.roundTo = (number, precision) ->
  Math.round(number * 10**precision) / 10**precision

roberthead

Math.roundTo = (number, precision) ->
  +(Math.round(number + "e+#{precision}") + "e-#{precision}")

roberthead

module Enumerable
  # Return a Hash whose keys are the unique elements and whose values are the number of appearences of that element.
  # [2,1,2,3,4,1,2,4,9,1,3,16,8].histogram => {2=>3, 1=>3, 3=>2, 4=>2, 9=>1, 16=>1, 8=>1}
  def histogram
    inject(Hash.new(0)) { |hash, x| hash[x] += 1; hash }
  end

  # Return an enumerable with the same elements sorted from the most frequent to least frequent.
  # See: http://codeidol.com/other/rubyckbk/Arrays/Sorting-an-Array-by-Frequency-of-Appearance/
  # [2,1,2,3,4,1,2,4,9,1,3,16,8].sort_by_frequency => [2, 2, 2, 1, 1, 1, 3, 3, 4, 4, 9, 16, 8]