nate-getch

// Q sample by Jeff Cogswell

/*===========
 We want to call these three functions in sequence, one after the other:
 
 First we want to call one, which initiates an ajax call. Once that 
 ajax call is complete, we want to call two. Once two's ajax call is 
 complete, we want to call three.
 
 BUT, we don't want to just call our three functions in sequence, as this quick 

nate-getch

var a = "one";
var obj = {
	a:"two",
	b: {
		a:"three",
		fn: function(){
			return this.a;
		}
	}
}

nate-getch

'use strict';
var arr = ['nat', 'gat', 'bat'];
var arr2 = ['dd','bb', ...arr]; // spread
var [a, ...b] = arr; // rest

console.log(arr2); // ["dd", "bb", "nat", "gat", "bat"]
console.log(a); // nat
console.log(b); // ["gat", "bat"]

nate-getch

function syncfunc(a, callbackfn){
        callbackfn("this is sync");
}
syncfunc('temp', function(r){ console.log(r) });
console.log("done sync func");

function asyncfunc(a, callbackfn){
        process.nextTick( () => callbackfn("this is async") );
}
asyncfunc('temp', function(r){ console.log(r) });

nate-getch

const arr = [1,2,3,4,5,6,7,8];

Array.prototype.even = function(){
    let r = [];
    r = this.filter( v => v % 2 == 0 );
    return r;
}

Array.prototype.odd = function(){
    let r = [];

nate-getch

function fun1(){
    console.log('fun1 without cllback');
}
function fun2(callback){
    console.log(callback('fun2 with callback'));
}
function fun3(callback){
    process.nextTick(() => console.log(callback('fun3 with callback + next tick')));
}
console.log('1 ');

nate-getch

var http = require('http');

http.createServer(function(req, res) {
    var externalReq = http.request({
        hostname: "www.google.com",
        path: "/images/srpr/logo11w.png"
    }, function(externalRes) {
        res.setHeader("content-disposition", "attachment; filename=logo.png");
        externalRes.pipe(res);
    });

nate-getch

var express = require('express')
  , mongoskin = require('mongoskin')

var app = express()
app.use(express.bodyParser())

var db = mongoskin.db('localhost:27017/test', {safe:true});

app.param('collectionName', function(req, res, next, collectionName){
  req.collection = db.collection(collectionName)

nate-getch

var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var session = require('express-session');
var validator = require('express-validator');
var csrf = require('csurf');

nate-getch

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