revdan

function star_color()
 return shuffle_colors({7,7,7,7,7,0,1}) -- white, black, dark blue
end

function shuffle_colors(colors)
 local i=ceil(rnd(#colors))
 return colors[i]
end

revdan

debug=false
pause=debug
skip_speed=50
start_time=0
t_offset=-5000
x_offset=-5
y_offset=-3
z_offset=-600
pan=0.075
zoom=0.025

revdan

-----BEGIN PGP PUBLIC KEY BLOCK-----
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revdan

defmodule Divisible do

  def sum_reversed(number, target) do
    enumerate(number, target)
    |> Stream.filter(&(is_divisible_reversed(&1, number)))
    |> Enum.sum
  end

  def enumerate(number, target) do
    Stream.iterate(number, &(&1 + number))

revdan

defmodule Sublist do
  @doc """
  Returns whether the first list is a sublist or a superlist of the second list
  and if not whether it is equal or unequal to the second list.
  """

  @spec compare(List, List) :: atom
  def compare(a, b) do
    cond do
      a === b         -> :equal

revdan

class CaesarCipherizer

  def initialize(distance = nil)
    @distance = distance.to_i
  end

  def encrypt(text)
    text.tr(alphabet, cipher)
  end

revdan

module BinarySearchExtensions
  refine Array do
    def mean
      reduce(&:+) / length.to_f
    end
  end
end

class BinarySearch
  using BinarySearchExtensions

revdan

x = [5,6,7,8,9]
y = x.map(&:succ)
(x - y) + (y - x) == [(x+y).min, (x+y).max]

revdan

const watcher = require('chokidar').watch(process.argv[2], {ignored: /^\./, persistent: true})

watcher
  .on('add',    function(path) {console.log('✅ ', path) })
  .on('change', function(path) {console.log('💃 ', path) })
  .on('unlink', function(path) {console.log('❌ ', path) })
  .on('error',  function(err) {console.error('💩 ', err) })

revdan

class Complement

  def self.of_dna(dna)
    dna.chars.map { |char| transpositions[char] }.join
  end

  def self.of_rna(rna)
    rna.chars.map { |char| transpositions.invert[char] }.join
  end