chemacortes

require "big_int"

def fact(n)
  return 1 if n == 0
  n * fact(n - 1)
end

n = BigInt.new(ARGV[0])
puts fact(n)

chemacortes

from functools import reduce
from itertools import groupby
from operator import (itemgetter,add)


def reduceByKey(func, iterable):
    """Reduce by key.

    Equivalent to the Spark counterpart
    Inspired by http://stackoverflow.com/q/33648581/554319

chemacortes

import akka.actor._
import akka.routing.RoundRobinRouter
import akka.util.Duration
import akka.util.duration._

sealed trait PiMessage
case object Calculate extends PiMessage
case class Work(start: Int, nrOfElements: Int) extends PiMessage
case class Result(value: Double) extends PiMessage
case class PiApproximation(pi: Double, duration: Double) extends PiMessage

chemacortes

package week6

import scala.io.Source

object collections {
  /* read a file of words */
  val in = Source.fromURL("http://lamp.epfl.ch/files/content/sites/lamp/files/teaching/progfun/linuxwords.txt")
  
  /* create a list and filter all words where *all* their characters are not letters (like dashes) */
  val words = in.getLines.toList filter (word => word forall (chr => chr.isLetter))

chemacortes

""""Create "The Matrix" of binary numbers scrolling vertically in your terminal.

original code adapted from juancarlospaco:
  - http://ubuntuforums.org/showpost.php?p=10306676

Inspired by the movie: The Matrix
  - Corey Goldberg (2013)
  
Requires: