jonasporto

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

jonasporto

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# 
# This is how I used it:
# $ cat ~/.bash_history | bash-history-to-zsh-history >> ~/.zsh_history

import sys


def main():

jonasporto

Chapter 1 - Creating Our Own Renderer

Rails provides an API that we can use to create our own renderers. In this chapter we explore the API as we modify the render() method to accept :pdf as an option and return a PDF created with Prawn.

To create a new plugin just run the following:

$ rails plugin new my_plugin

TODO Complete notes

jonasporto

Elixir installation guide

Version numbers should be the ones you want. Here I do it with the last ones available at the moment of writing.

The simplest way to install elixir is using your package manager. Sadly, at the time of writing only Fedora shows the intention to keep its packages up to date. There you can simply sudo dnf install erlang elixir and you are good to go.

Anyway, if you intend to work with several versions of erlang or elixir at the same time, or you are tied to a specific version, you will need to compile it yourself. Then kerl and exenv are your best friends.

jonasporto

Deploy DevOps

Este gist é um exercício para avaliar suas skills tecnicas para nosso processo seletivo de DevOps.

O desafio consiste em construir um ambiente Vagrant ou deploy em algum servidor composto por

A solução deve conter:

• Load Balancer
• 2 Servidores de aplicação

jonasporto

TL;DR

Install Postgres 9.5, and then:

sudo pg_dropcluster 9.5 main --stop
sudo pg_upgradecluster 9.3 main
sudo pg_dropcluster 9.3 main

jonasporto

<?php

$cb = function ($fn) {
    return $fn;
};

echo <<<HEREDOC
Hello, {$cb(ucfirst('world'))}
HEREDOC;

jonasporto

Install MySQL on macOS Sierra

This procedure explains how to install MySQL using Homebrew on macOS Sierra 10.12

Install Homebrew

• Installing Homebrew is effortless, open Terminal and enter :
  $ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
• Note: Homebrew will download and install Command Line Tools for Xcode 8.0 as part of the installation process.

Install MySQL

At this time of writing, Homebrew has MySQL version 5.7.15 as default formulae in its main repository :

jonasporto

AWS region code	AWS region name	Number of AZs	AZ names
us-east-1	Virginia	4	us-east-1a, us-east-1b, us-east-1c, us-east-1e
us-west-1	N. California	2	us-west-1a, us-west-1b
us-west-2	Oregon	3	us-west-2a, us-west-2b, us-west-2c
eu-west-1	Ireland	3	eu-west-1a, eu-west-1b, eu-west-1c
eu-central-1	Frankfurt	2	eu-central-1a, eu-central-1b
ap-southeast-1	Singapore	2	ap-southeast-1a, ap-southeast-1b
ap-southeast-2	Sydney	2	ap-southeast-2a, ap-southeast-2b, ap-southeast-2c
ap-northeast-1	Tokyo	2	ap-northeast-1a, ap-nort

jonasporto

# Simple approach to sending email from the Rails console
# Implementation idea courtesy of Steve Klabnik
# http://blog.steveklabnik.com/posts/2012-09-09-random-ruby-tricks--class-new

# Create the mailer class with a block and assign to a variable
mailer = Class.new(ActionMailer::Base) do
  def example_message
    mail(to: "[email protected]", from: "[email protected]", subject: "Example Message") do |format|
      format.text { render text: "Example message body" }
    end