davemo

var express   = require('express'),
    httpProxy = require('http-proxy'),
    app       = express();

var proxy = new httpProxy.RoutingProxy();

function apiProxy(host, port) {
  return function(req, res, next) {
    if(req.url.match(new RegExp('^\/api\/'))) {
      proxy.proxyRequest(req, res, {host: host, port: port});

hellerbarde

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

benoror

class User < ActiveRecord::Base
  devise :invitable, :database_authenticatable, :registerable, :recoverable, 
         :rememberable, :confirmable, :validatable, :encryptable

  # ...

  # devise confirm! method overriden
  def confirm!
    welcome_message
    super