dengjonathan

// this is better
function plusOne(number) {
  return number++;
}
plusOne(5); // 6

// this is worse
var number = 5;

function plusOne() {

dengjonathan

/* how do you encapsulate a for loop within a function
so that each(names, callback) will do the same thing as the for loop? */

// ensure that the all inputs are explicity declared in function signature
var each = function(array, callback) {
  for (var i = 0; i < array.length; i++) {
    callback(array[i]);
  }
};

dengjonathan

var names = ['jon', 'jane', 'jack'];

// something we want to do with each item in array
var log = function(a) {
  console.log(a);
}

// using for loop
for (var i = 0; i < names.length; i++) {
  log(names[i]);

dengjonathan

var http = require('http');
var fs = require('fs');
var url = require('url');
var streamMap = require('through2-map');

var port = process.argv[2];
var path = process.argv[3];

var server = http.createServer(function(request, response) {
  var get = url.parse(request.url, true);

dengjonathan

var http = require('http');
var fs = require('fs');
var url = require('url');
var streamMap = require('through2-map');

var port = process.argv[2];
var path = process.argv[3];

var server = http.createServer(function(request, response) {
  var get = url.parse(request.url, true);

dengjonathan

var http = require('http');
var bl = require('bl');

// file path is from enviroment variable passed in through CLI
var urls = process.argv.slice(2);
var results = [];
var returned = 0;


function httpGet(index) {

dengjonathan

// this is an idiomatic example of a Node async call with callbacks that 
// handle both returned data and error

/***********This is the module defined for later use */

var fs = require('fs');

module.exports = function(file, ext, callback) {
    fs.readdir(file, function(err, data) {
        // if readdir returns error, call callback with error early

dengjonathan

var http = require('http');
var bl = require('bl');

// file path is from enviroment variable passed in through CLI
var url = process.argv[2];

var consolidated = '';

var callback = function(data) {
    consolidated += data;

dengjonathan

  var quickSort = function (arr) {
    if (arr.length === 0) {
      return [];
    }

    var left = [];
    var right = [];
    var pivot = arr[arr.length - 1]; // use right most value as pivot

    _.each(arr.slice(0, arr.length - 1), function (each) {

dengjonathan

  // implementation of quicksort
  var quickSort = function (arr) {
    if (arr.length === 0) {
      return [];
    }

    var left = [];
    var right = [];
    var pivot = arr[arr.length - 1]; // use right most value as pivot