Angel skozz

From Meteor's documentation:

In Meteor, your server code runs in a single thread per request, not in the asynchronous callback style typical of Node. We find the linear execution model a better fit for the typical server code in a Meteor application.

This guide serves as a mini-tour of tools, trix and patterns that can be used to run async code in Meteor.

Basic async

Sometimes we need to run async code in Meteor.methods. For this we create a Future to block until the async code has finished. This pattern can be seen all over Meteor's own codebase:

Business Models

Advertising

Models	Examples
Display ads	Yahoo!
Search ads	Google

	var http = require('http');

	var server = http.createServer(function(req, res) {
	// console.log(req); // debug dump the request

	// If they pass in a basic auth credential it'll be in a header called "Authorization" (note NodeJS lowercases the names of headers in its request object)

	var auth = req.headers['authorization']; // auth is in base64(username:password) so we need to decode the base64
	console.log("Authorization Header is: ", auth);

	#!/bin/bash
	echo "*****************************************"
	echo " Add the 10gen repository - after you press"
	echo " enter add the following lines and then"
	echo " cntl-X to save:"
	echo " [10gen]"
	echo " name=10gen Repository"
	echo " baseurl=http://downloads-distro.mongodb.org/repo/redhat/os/x86_64"
	echo " gpgcheck=0"
	echo "*****************************************"

	[
	{name: 'Afghanistan', code: 'AF'},
	{name: 'Åland Islands', code: 'AX'},
	{name: 'Albania', code: 'AL'},
	{name: 'Algeria', code: 'DZ'},
	{name: 'American Samoa', code: 'AS'},
	{name: 'AndorrA', code: 'AD'},
	{name: 'Angola', code: 'AO'},
	{name: 'Anguilla', code: 'AI'},
	{name: 'Antarctica', code: 'AQ'},

	<head>
	<title>meteor_servercall</title>
	</head>

	<body>
	{{> simple}}
	{{> passData}}
	</body>

	<template name="simple">

	# This file should be placed on the directory of ~/blog/config

	upstream unicorn {
	server unix:/tmp/unicorn.todo.socket fail_timeout=0;
	}

	server {
	listen 80 default;
	#server_name example.com;
	root /home/username/blog/public;

	# Example usage:
	require 'active_record/nonpersisted_attribute_methods'
	class Node < ActiveRecord::Base
	include ActiveRecord::NonPersistedAttributeMethods

	define_nonpersisted_attribute_methods [:bar]

	# Example of using with ancestry and getting :parent to show up in changes hash.
	has_ancestry
	define_nonpersisted_attribute_methods [:parent]

	<object data="http://www.website.com/responsive/img/logo.svg" type="image/svg+xml" class="logo">
	<!--[if lte IE 8 ]-->
	<img src="http://www.website.com/responsive/img/logo.gif" alt="Image Title">
	<!--![endif]-->
	</object>

	<!-- Edit .svg file and erase width and height properties so it can automatically scale with viewport -->
	<!--
	CSS:
	img, object {

	access_key_id: xxx
	secret_access_key: yyy