Juan Pablo Balarini jpbalarini

Generate the user mailer class

rails generate mailer UserMailer

Define the method for sending emails

class UserMailer < ActionMailer::Base
  include SendGrid
  sendgrid_category :use_subject_lines

How to configure your Mac OS for Ruby on Rails development

Install Sublime Text from here
Install Xcode from the AppStore
Open Xcode and accept the licence
Install command line tools. From the terminal run:
```
xcode-select --install
```
Install homebrew

RoR Bitnami Amazon EC2 instance

This guide will provide you some basic steps to create a Bitnami RoR Amazon EC2 instance, using Nginx with Passenger.

Create an Amazon EC2 instance using a Community AMI. At the time of writing, the latest Bitnami AMI is: bitnami-rubystack-2.2.4-4-linux-ubuntu-14.04.1-x86_64-hvm-ebs Be careful to open SSH, HTTP and HTTPS ports on the "Step 6: Configure Security Group". You will need to save also the certificate to later connect to the instance.
Log in by SSH to the instance:

I have a web app idea I'd like to develop. Here's my initial concept:

I'm looking to collaborate with you to turn this into a detailed project request. Let's iterate together until we have a complete request that I find to be complete.

After each of our exchanges, please return the current state of the request in this format:

# Project Name

	WHITELISTED_FORMATS = [
	{ name: 'png', first_bytes: '89 50 4E 47 0D 0A 1A 0A' },
	{ name: 'jpg1', first_bytes: 'FF D8 FF DB' },
	{ name: 'jpg2', first_bytes: 'FF D8 FF E0' },
	{ name: 'jpg3', first_bytes: 'FF D8 FF E1' },
	{ name: 'ico', first_bytes: '00 00 01 00' },
	{ name: 'gif1', first_bytes: '47 49 46 38 37 61' },
	{ name: 'gif2', first_bytes: '47 49 46 38 39 61' },
	{ name: 'tiff1', first_bytes: '49 49 2A 00' },
	{ name: 'tiff2', first_bytes: '4D 4D 00 2A' },

	before_action :cors_set_access_control_headers

	def cors_preflight_check
	return unless request.method == 'OPTIONS'
	cors_set_access_control_headers
	render json: {}
	end

	protected

	#!/bin/bash
	# usage: sh test_status_codes.sh URLs.txt
	# example output: https://www.google.com 200
	# It saves all output to url_statuses.txt
	FILENAME="$1"

	if [ -z "$FILENAME" ]; then
	echo "Usage: test_status_codes.sh URLs.txt"
	exit
	fi

	const puppeteer = require('puppeteer')
	const express = require('express')
	const bodyParser = require('body-parser')
	const crypto = require('crypto')
	const fs = require('fs')

	const port = 3000
	var app = express()
	app.use(bodyParser.json())

	socket = new WebSocket('ws://localhost:3000/api/v1/action_cable');
	const onMessage = (ws, store) => evt => {
	let msg = JSON.parse(evt.data);

	if (msg.type === "ping") {
	return;
	}
	console.log("FROM RAILS: ", msg);
	}
	socket.onmessage = onMessage(socket);

	<!DOCTYPE html>
	<html>
	<head>
	<title>PdfLayout</title>
	<style>
	@page {
	size: A4;
	margin-top: 56px;
	margin-bottom: 15px;
	margin-left: 8px;