Rob Lacey braindeaf

Arel Cheatsheet on Steroids

A (more) complete cheatsheet for Arel, including NamedFunction functions, raw SQL and window functions.

posts = Arel::Table.new(:posts)
posts = Post.arel_table # ActiveRecord

	trap("SIGINT") { exit! }

	total_width = `stty size`.scan(/\d+/)[1].to_i # terminal width

	snowflakes = {}

	puts "\033[2J"; # clearing output

	loop do
	snowflakes[rand(total_width)] = 0

	image: ruby:2.6

	services:
	- postgres:11-alpine

	variables:
	POSTGRES_DB: myorg_test
	CONTAINER_IMAGE: registry.gitlab.com/myorg/myapp

	stages:

	import moment from 'moment'
	import { Controller } from 'stimulus'

	const TOGGLE_BUTTON_TEMPLATE = `
	<button data-target="cal-grid.toggleButton" data-action="cal-grid#toggleWidget"></button>
	`

	const DROPDOWN_TEMPLATE = `
	<div class="cal-grid--dropdown" data-target="cal-grid.dropdown">
	<div>

	module ActiveRecordExtension
	extend ActiveSupport::Concern

	module ClassMethods
	# Simple left join taking advantage of existing Rails & Arel code
	def left_joins(*args)
	inner_joins = self.joins(*args).arel.join_sources
	left_joins = inner_joins.map do \|join\|
	Arel::Nodes::OuterJoin.new(join.left, join.right)
	end

	#!/bin/bash
	# node-reinstall
	# credit: http://stackoverflow.com/a/11178106/2083544

	## program version
	VERSION="0.0.13"

	## path prefix
	PREFIX="${PREFIX:-/usr/local}"