Larry Heimann (Prof. H) profh

The introduction to Reactive Programming you've been missing

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

	characters = { kirk: :TOS, spock: :TOS, picard: :TNG, janeway: :VOY, scotty: :TOS, sisko: :DS9,
	kira: :DS9, chakotay: :VOY, seven: :VOY, dax: :DS9, tuvok: :VOY, tpol: :ENT,
	riker: :TNG, troi: :TNG}

	series = { TOS: "The Original Series", NTG: "The Next Generation", DS9: "Deep Space 9",
	VOY: "Voyager", ENT: "Enterprise" }

	runtimes = { TOS: [1966, 1969], NTG: [1987, 1994], DS9: [1993, 1999],
	VOY: [1995, 2001] , ENT: [2001, 2004] }


	criminal_aliases = {"Oswald Cobblepot"=>"Penguin", "Jonathan Crane"=>"Scarecrow", "Harvey Dent"=>"Two Face", "Edmund Dorrance"=>"Bane", "Thomas Elliot"=>"Hush", "Carmine Falcone"=>"The Roman", "Victor Fries"=>"Mr. Freeze", "Sophia Gigante"=>nil, "Matt Hagan"=>"Clayface", "Pamela Isley"=>"Poison Ivy", "Waylon Jones"=>"Killer Croc", "Selina Kyle"=>"Catwoman", "Kirk Langstrom"=>"Man-Bat", "Salvatore Maroni"=>nil, "Jack Napier"=>"Joker", "Edward Nigma"=>"Riddler", "Harleen Quinzel"=>"Harley Quinn", "Slade Wilson"=>"Deathstroke", "Ra's al Ghul"=>"Ra's"}

	female_criminals = %w[Selina\ Kyle Harleen\ Quinzel Pamela\ Isley Sophia\ Gigante"]

	convicted_felons = ["Oswald Cobblepot", "Jonathan Crane", "Harvey Dent", "Edmund Dorrance", "Thomas Elliot", "Victor Fries", "Matt Hagan", "Pamela Isley", "Waylon Jones", "Selina Kyle", "Salvatore Maroni", "Edward Nigma", "Harleen Quinzel", "Slade Wilson"]

	# enhanced_powers = ["Jonathan Crane", "Edmund Dorrance", "Matt Hagan", "Pamela Isley", "Waylon Jones", "Kirk Langstrom", "S

	# An example of nested forms if using the "accepts_nested_attributes_for" approach
	# Context is projects and tasks, not customers and users
	# Assumes you are using simple_form and nested_form gems:
	# gem 'simple_form', '3.0.1'
	# gem 'nested_form','0.3.2'

	<%= simple_nested_form_for @project, :html => { :class => 'form-horizontal' } do \|project_form\| %>
	<div class="row">
	<div class="small-7 columns">
	<fieldset>

	class CustomersController < ApplicationController
	include ActionView::Helpers::NumberHelper

	# Many controller actions missing...

	def new
	@customer = Customer.new
	user = @customer.build_user
	end

	<!DOCTYPE html>
	<html>
	<head>
	<title>Tab Components in Vue</title>
	<script src="http://code.jquery.com/jquery-3.2.1.min.js"></script>
	<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/materialize/0.100.2/css/materialize.min.css">
	<script src="https://cdnjs.cloudflare.com/ajax/libs/materialize/0.100.2/js/materialize.min.js"></script>

	<script type="text/javascript" src="https://unpkg.com/vue@2.5.9/dist/vue.js"></script>

	// Reference: http://stackoverflow.com/questions/4822471/count-number-of-lines-in-a-git-repository

	$ git ls-files \| xargs wc -l

	# Simple method format purposes
	def brk
	puts "============================"
	end

	# Finding all symbols and symbol methods that Ruby already knows:
	symbols = Symbol.all_symbols.sort{\|x,y\| x.to_s <=> y.to_s }
	symbols.each { \|x\| print x.to_s + "\t" }
	brk

	### Stepping through class example on BookManager

	# Import Ecto.Query first, or none of this works in iex:
	import Ecto.Query

	# A simple example
	query = from BookManager.Book
	BookManager.Repo.all(query)

	# Creating aliases because BookManager is just to long to keep rewriting: