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// reducer_active_contact.js
export default function(state = null, action) {
  switch (action.type) {
    case 'CONTACT_SELECTED':
      return action.payload
  } 
  // i dont care about the action because it is not inside my
  // list of actions I am interested int (case statements inside the switch)
  return state
}

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# code from: https://code.tutsplus.com/articles/what-is-genserver-and-why-should-you-care--cms-29143

defmodule MathServer do
  def start do
    spawn &listen/0
  end
 
  defp listen do
    receive do
      {:sqrt, caller, arg} -> send(caller, {:result, do_sqrt(arg)})

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// actions/action_select_contact.js
function selectContact(contact) {
  return {
    type: 'CONTACT_SELECTED',
    payload: contact
  }
}
export default selectContact;

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import scala.concurrent.Future
import scala.concurrent.ExecutionContext.Implicits.global
import scala.concurrent.duration._
import scala.concurrent.Await

import github4s.Github
import github4s.Github._
import github4s.GithubResponses.GHResult
import github4s.jvm.Implicits._

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import akka.actor._
import scala.concurrent.Await
import scala.concurrent.duration._

object RebelAkktorsGist extends App {

   /****************************
    *         Messages        *
    ***************************/

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<?php
error_reporting(E_ALL ^ E_NOTICE);

abstract class Option {
    protected $value;

    public function __construct($value) {
        if (isset($value)) return some($value);
        else return none();
    }

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import scala.util.Try

object FizzBuzz {
    def main(args: Array[String]): Unit = {
        val iterations = Try(args(0).toInt).getOrElse(0)
        (1 to iterations).foreach {i =>
            if (i % 15 == 0) println(s"$i - FizzBuzz")
            else if (i % 3  == 0) println(s"$i - Fizz")
            else if (i % 5  == 0) println(s"$i - Buzz")
            else println(s"$i")

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***************************************
ScaleraBlog: Scala Rx Example, 1st Post
***************************************
a vale 1
b vale 2
Lo guardamos en resultado, que es reactiva de a y b: 3
Cambiamos el valor de b=6
Resultado ahora debería valer 7
7

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import scala.language.postfixOps
import scala.util.{Success, Failure}
import scala.concurrent.ExecutionContext.Implicits.global
import scala.concurrent.duration._
import scala.concurrent._
import scala.util.Try

import sys.process._
import concurrent.Future
import concurrent.Promise

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import scala.util.Random

object ProgressBar extends App {
    // list of times to sleep between each step of the progess, with different probabilities
    val timesToSleep = List(500, 500, 500, 500, 600, 600, 600, 1000, 1000, 1000, 2000, 2000, 5000)
    
    print("Progress [          ]")
    Thread.sleep(500);
    
    // 11 backspaces to override "          ]"