Hochul822

var sys = require('sys');
var exec = require('child_process').exec;
var zookeeper = require('node-zookeeper-client');

var root_shard_path = '/shard1';
var replSet = "arbiter";

function exists(client){
	client.exists(root_shard_path, 
				    function(event){

Hochul822

var sys = require('sys');
var exec = require('child_process').exec;
var zookeeper = require('node-zookeeper-client');

var root_shard_path = '/shard1';
var replSet = "arbiter";

function exists(client){
	client.exists(root_shard_path, 
				    function(event){

Hochul822

// Mocha BDD Interface 
// describe 함수는 given, when을 나타내는데 쓰이고 
// context 함수는  Scenario를 표현하는 데 쓰인다. 
// it 함수는 then, User story의 결론을 보여준다. 
var assert = require('assert');
var totalDeposit = 0;

function Account(deposit){
  totalDeposit = deposit;  
};

Hochul822

exports.abs = function(number){
	return number < 0 ? -number : number;
};

exports.pow = function(x, y){
	var value = 1;

	for( var i = 0; i < y; i++ ){
		value *= x;
	}

Hochul822

var totalDeposit = 0;
var Account = function(deposit){
  totalDeposit = deposit;  
};
Account.prototype.getAccount= function(){
  return totalDeposit;
};
Account.prototype.withDraw = function(money){
	this.money = money;
	totalDeposit -= money;

Hochul822

var request = require('supertest');
var express = require('express');
var app = express();

app.get('/users', function(req, res){
	res.send(200, { name : 'tobi'});
});
// get 함수를 통해 users에 request한 값이 잘 들어오는지 확인합니다. 
// expect는 들어온 값들이 예상한(expect)한 값과 일치하는지 확인합니다. 
request(app)

Hochul822

var a = 10
var name: String? = null

Hochul822

const vendingMachine = Machine(
  {
    id: "vendingMachine",
    initial: "idle",
    context: {
      deposited: 0,
    },
    states: {
      idle: {
        on: {

Hochul822

const door = Machine({
  id: "door",
  initial: "locked",
  states: {
    locked: {
      id: "locked",
      on: { UNLOCK: "unlocked" },
    },
    unlocked: {
      initial: "closed",