ThawanFidelis

# config/enviroments/development.rb
config.action_mailer.preview_path = "#{Rails.root}/app/mailer_previews"


# app/mailer_previews/devise_mailer_preview.rb
class Devise::MailerPreview < ActionMailer::Preview
  def confirmation_instructions
    Devise::Mailer.confirmation_instructions(User.first, {})
  end

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

andelf

// program
package main

import "os/signal"
import "os"
import "fmt"
import "syscall"
import "time"