BrianSigafoos

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

BrianSigafoos

#!/bin/sh

DB_DUMP=$HOME/<filename>.dump
DB_NAME=<db name>

if [ -f $DB_DUMP ]; then
	echo Creating database: $DB_NAME
	createdb $DB_NAME > /dev/null 2>&1

	if [ "$?" != "0" ]; then

BrianSigafoos

sudo apt-get -y update
sudo apt-get install -y build-essential libcurl4-openssl-dev unzip software-properties-common git libpcre3-dev libpcre3

adding zlib, openssl and pcre

cd && mkdir sources && cd sources
wget https://downloads.sourceforge.net/project/pcre/pcre/8.41/pcre-8.41.tar.gz && tar xzvf pcre-8.41.tar.gz

BrianSigafoos

# Original source: https://gist.github.com/hopsoft/56ba6f55fe48ad7f8b90
# Merged with: https://gist.github.com/kofronpi/37130f5ed670465b1fe2d170f754f8c6
# Benefits of: https://gist.github.com/e12e/e0c7d2cc1d30d18c8050b309a43450ac
# And fixes of: https://gist.github.com/joelvh/f50b8462611573cf9015e17d491a8a92
namespace :db do
  desc 'Dumps the database to backups'
  task dump: :environment do
    dump_fmt   = ensure_format(ENV['format'])
    dump_sfx   = suffix_for_format(dump_fmt)
    backup_dir = backup_directory(Rails.env, create: true)

BrianSigafoos

#!/bin/bash

#
# Initial script to create users when launching an Ubuntu server EC2 instance
#

declare -A USERKEY

#
# Create one entry for every user who needs access. Be sure to change the key to their

BrianSigafoos

# Remove local branches that have gone remotes - https://stackoverflow.com/a/33548037/967115
git fetch -p && for branch in `git branch -vv | grep ': gone]' | awk '{print $1}'`; do git branch -D $branch; done

BrianSigafoos

Capybara

save_and_open_page

Matchers

have_button(locator)

BrianSigafoos

An introduction to curl using GitHub's API.

Basics

Makes a basic GET request to the specifed URI

curl https://api.github.com/users/caspyin

Includes HTTP-Header information in the output

BrianSigafoos

curl testing a REST API

# HEAD request: -I 
$ curl -I  http://0.0.0.0:3000/posts

# -i (--include) protocol headers and -X (--request) for GET, PUT, DELETE
$ curl -i -X HEAD http://0.0.0.0:3000/posts

# prettify JSON results with python -mjson.tool 
$ curl ... | python -mjson.tool

BrianSigafoos

Model layout & validations

class User < ActiveRecord::Base
  # keep the default scope first (if any)
  default_scope { where(active: true) }

  # constants come up next
  COLORS = %w(red green blue)

  # afterwards we put attr related macros