bennycode

function executeAllPromises(promises) {
  // Wrap all Promises in a Promise that will always "resolve"
  var resolvingPromises = promises.map(function(promise) {
    return new Promise(function(resolve, reject) {
      var payload = new Array(2);
      promise.then(function(result) {
          payload[0] = result;
        })
        .catch(function(error) {
          payload[1] = error;

bennycode

// Fibonacci numbers

/* extended version */
function f(n) {
  if (n === 0) {
    return 0;
  } else if (n === 1) {
    return 1;
  } else {
    return f(n - 1) + f(n - 2);

bennycode

const Combinatorics = require('js-combinatorics');

const n = ['A', 'B', 'C', 'D'];
const k = 2;

const generator = Combinatorics.bigCombination(n, k);
const combinations = generator.toArray().length;

console.log(`Possible combinations: ${combinations}`); // "Possible combinations: 6"

bennycode

const winston = require('winston'); // v2.3.1

winston.configure({
  transports: [
    new (winston.transports.File)({
      filename: './data/test.txt',
      handleExceptions: true,
      json: false,
      level: 'silly',
      maxFiles: 5,

bennycode

const phantom = require('phantom');

/**
 * Acts like a web browser and gets page content (also from dynamic HTML pages).
 * @param {string} url - Page URL
 * @returns {Promise.<string, Error>} Resolves with the page content.
 */
module.exports = async function(url) {
  const instance = await phantom.create();
  const page = await instance.createPage();

bennycode

#!/usr/bin/env node
'use strict';

const b = require('bonescript');

console.log('VERSION', 2);
console.log(`Working directory of the Node.js process: ${process.cwd()}`);

const leds = ['USR0', 'USR1', 'USR2', 'USR3', 'P9_14'];

bennycode

const reruns = 10;

const delayedPromise = (iterations) => {
  return new Promise((resolve) => {
    const delay = 1000;
    setTimeout(() => {
      if (iterations > 0) {
        iterations -= 1;
        console.log('Iteration', iterations);
        delayedPromise(iterations).then(resolve);

bennycode

const inquirer = require('inquirer');

const questions = [{
  default: false,
  message: 'Is this correct?',
  name: 'isCorrect',
  type: 'confirm',
}];

inquirer.prompt(questions)

bennycode

import React from 'react'; // 16.2.0
import {mount} from 'enzyme'; // 3.2.0

it('does something', () => {
  class TestInput extends React.Component {
    constructor(props) {
      super(props);
      this.state = {
        inputValue: 'before',
      };

bennycode

function allPossibleCombinations(input, fixedLength, currentCombination) {
  if (currentCombination.length == fixedLength) {
    return [currentCombination];
  }
  
  const combinations = [];
  
  for (let i = 0; i < input.length; i++) {
    combinations.push(...allPossibleCombinations(input, fixedLength, currentCombination + input[i]));
  }