mrmartineau

Stimulus cheatsheet

• Website: https://stimulusjs.org/
• GitHub repo: https://github.com/stimulusjs/stimulus
• Handbook: https://stimulusjs.org/handbook/introduction
• Discourse: https://discourse.stimulusjs.org/

Lifecycle callbacks

• initialize: once, when the controller is first instantiated
• connect: anytime the controller is connected to the DOM

sshkarupa

You certainly won't need anything installed other than Docker to create Ruby apps...

1: Generating the project

The idea is to mount the current folder into a temporary Ruby container using the official Ruby image from Docker Hub, then install Rails inside this temporary container, and then create the project skeleton using the rails new command.

# Start bash inside a Ruby container:

mnishiguchi

Ruby Poros, tableless models, service objects

• RubyHack 2019 - The Circle of Lifecycle Events by Nelson Wittwer
• 7 Patterns to Refactor Fat ActiveRecord Models

tableless model

• We can optionnally use cgriego/active_attr
• ActiveModel::Attributes が最高すぎるんだよな。 - Qiita

mbyczkowski

require 'cgi'
require 'json'
require 'active_support'

def verify_and_decrypt_session_cookie(cookie, secret_key_base)
  cookie = CGI::unescape(cookie)
  salt         = 'encrypted cookie'
  signed_salt  = 'signed encrypted cookie'
  key_generator = ActiveSupport::KeyGenerator.new(secret_key_base, iterations: 1000)
  secret = key_generator.generate_key(salt)[0, ActiveSupport::MessageEncryptor.key_len]

sheharyarn

class APIController < ApplicationController
  include JSONErrors

  # ...
end

jstrassburg

<?xml version="1.0"?>
<!DOCTYPE Configure PUBLIC "-//Jetty//Configure//EN" "http://www.eclipse.org/jetty/configure.dtd">

<Configure id="Server" class="org.eclipse.jetty.server.Server">
    <!-- only the relevant addition is listed here -->
    <Call name="addBean">
        <Arg>
            <New class="org.eclipse.jetty.security.HashLoginService">
                <Set name="name">MySolrRealm</Set>
                <Set name="config">

wteuber

require 'openssl'

class String
  CIPHER_NAME   = 'aes-256-cbc'.freeze
  PBKDF_ITER    = 200_000
  KEY_LEN       = 32  # 256 bits
  SALT_CONST    = "fixed-global-salt-v1".freeze
  IV_SALT_CONST = "fixed-iv-salt-v1".freeze

  def encrypt(password)