douglasresende

tmuxinator

• Config sample (en_US)
• Exemplo de configuração (pt_BR)

douglasresende

#!/bin/bash
# herein we backup our indexes! this script should run at like 3 AM every first day of the month, after logstash
# rotates to a new ES index and theres no new data coming in to the old one. we grab metadatas,
# compress the data files and backs up to whatever long term storage.

. ./config.sh

echo "Checking that index exist in ES"
if [ `curl -sI $ESURL/$INDEXNAME | grep OK | wc -l` -eq 0 ]
then

douglasresende

# config to don't allow the browser to render the page inside an frame or iframe
# and avoid clickjacking http://en.wikipedia.org/wiki/Clickjacking
# if you need to allow [i]frames, you can use SAMEORIGIN or even set an uri with ALLOW-FROM uri
# https://developer.mozilla.org/en-US/docs/HTTP/X-Frame-Options
add_header X-Frame-Options SAMEORIGIN;

# when serving user-supplied content, include a X-Content-Type-Options: nosniff header along with the Content-Type: header,
# to disable content-type sniffing on some browsers.
# https://www.owasp.org/index.php/List_of_useful_HTTP_headers
# currently suppoorted in IE > 8 http://blogs.msdn.com/b/ie/archive/2008/09/02/ie8-security-part-vi-beta-2-update.aspx

douglasresende

defmodule Slug1 do
  def slugify(input), do: map_slug(input, %{pattern: ~r/\s+/})

  def slugify2(input), do: map_slug(input, %{pattern: " "})

  defp map_slug(input, %{pattern: pattern}) do
    input
    |> to_string()
    |> String.trim()
    |> String.downcase()

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raise 'Wrong Ruby version!' unless RUBY_VERSION >= '2.6.0'

module Strings
  Trim = -> str { String(str).strip }
  Replace = -> (sub, new_sub, str) { String(str).gsub(sub, new_sub) }
  LowerCase = -> str { String(str).downcase }
end

                                         # -- Alternative syntax --
Slugify =                                # Slugify =

douglasresende

Webpack in Rails

All code is available in example app - https://github.com/maxivak/webpacker-rails-example-app

Table of Contents

• NPM and Yarn
• Webpack and Webpacker

douglasresende

Integrate Gem/Engine and main Rails app

Overview

• Paths
• Routes
• Add functionality to controller
• Improving (Extending or overriding) Engine functionality
• Helpers
• Assets

douglasresende

Install ImageMagick from source on Ubuntu 14.04

The version of ImageMagick that is installed when you run apt-get install imagemagick on Ubuntu 14.04 is older than I would like.

$ convert --version
Version: ImageMagick 6.7.7-10 2016-06-01 Q16 http://www.imagemagick.org
Copyright: Copyright (C) 1999-2012 ImageMagick Studio LLC
Features: OpenMP

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DigitalOcean S5

• 5$
• 1 CPU
• 512Mb memory
• 1T transfer
• 20GB SSD

CPU info

douglasresende

# Running a single minimalistic unit test with Rails 4 and Ruby 2.1.1 is a lot faster
# if you avoid loading Rails:

# Running the test *with* Rails

time ruby -Itest test/models/my_model_test.rb # => real ~ 6s

# Running the test *without* Rails

time ruby -Itest/no_rails test/models/my_model_test.rb # => real ~ 0.6s