Rafe

var Nothing = {Nothing: true}

function MaybeGenerator() {
  var g = arguments[arguments.length - 1]
  // list of functions that test for any "Nothing" values
  var maybes = [].slice.call(arguments,0,arguments.length - 1)

  return function(value) {
    var generator = g.apply(null,[].slice.call(arguments,1))
    var result

Rafe

# Meet Chef

## Recap : Terminology

+ node
  A host where the Chef client will run (db,web,worker)
+ chef client
  The command line program of that configures servers
+ chef server
  A database-backed web server that stores searchable information about your production servers.

Rafe

Debugging & Profiling Node.js

This is a maintained listing of all the different ways to debug and profile Node.js applications. If there is something missing or an improvement, post a comment! :)

Interactive Stack Traces with traceGL - Shareware

1. Guide here

Rafe

module.exports = function(array, value) {
  var left = 0;
  var right = array.length - 1;
  var tracker = [];
  while (left <= right) {
    var mid = Math.floor((left + right) / 2);
    tracker.push(array[mid]);
    if (array[mid] == value) return tracker ;
    if (array[mid] < value) {
      left = mid + 1;

Rafe

var preorder = exports.preorder = function (head, tracker) {
  if (head == null) return;
  tracker.push(head.data);
  preorder(head.left, tracker);
  preorder(head.right, tracker);
}

var inorder = exports.inorder = function (head, tracker) {
  if (head == null) return;
  inorder(head.left, tracker);

Rafe

var cache = {};

var fabonacci = module.exports = function(n) {
  if (n == 0) return 0;
  if (n == 1) return 1;
  if (!cache[n]) {
    cache[n] = fabonacci(n - 1) + fabonacci(n - 2);
  }
  return cache[n];
}

Rafe

var count2 = function(n) {
  if (n == 0) return 0;

  var power = 1;
  while (10 * power < n) power *= 10;
  var first = Math.floor(n / power);
  var remain = n % power;
  var n2s = 0;

  if (first > 2) {

Rafe

module.exports = function (book, word) {
  var words = book.replace(/.,/, ' ').toLowerCase().split(' ');
  var dict = {}
  words.forEach(function(w) {
    if (dict[w]) {
      dict[w] += 1;
    } else {
      dict[w] = 1;
    };
  });

Rafe

module.exports = function (seq) {
  var maxsum = -1000000000;
  var sum = 0;
  for (var i = 0; i < seq.length; i++) {
    sum += seq[i];
    if(sum > maxsum) {
      maxsum = sum;
    }
    if (sum < 0) {
      sum = 0;

Rafe

module.exports = function (seq) {
  var maxsum = 0;
  for (var i = 0; i < seq.length; i++) {
    var sum = 0;
    for (var j = i; j < seq.length; j++) {
      sum += seq[j];
      if(sum > maxsum) {
        maxsum = sum;
      }
    };