mindbend0x mindbend0x

Data Structures

Arrays

A way of storing lists in Ruby

names = ["Faisal", "Sara", "Jane"]

Homework & Questions

OOP Review + Examples
Class methods vs. Instance methods?
What does the keyword super do?

Stubbing

We briefly discussed what happens when RSPEC stubs a method and why we need to use the attr_reader in order to check values if a instance variable method reader has been stubbed.

Rails and Form Helpers

The reference materials used for this lecture can be found at http://api.rubyonrails.org and http://guides.rubyonrails.org.

We also have to take a quick look at rails's flash object.

Rails Flash

The flash object allows you to set temporary messages that will

	angular.module('d3AngularApp', ['d3'])
	.directive('d3Bars', ['$window', '$timeout', 'd3Service',
	function($window, $timeout, d3Service) {
	return {
	restrict: 'A',
	scope: {
	data: '=',
	label: '@',
	onClick: '&'
	},

	get '/contacts' do

	@contacts = [
	{
	first_name: "Ann",
	last_name: "Simon"
	},
	{
	first_name: "Peter",
	last_name: "Gabriel"

	<!DOCTYPE html>
	<!-- HTML5 Hello world by kirupa - http://www.kirupa.com/html5/getting_your_feet_wet_html5_pg1.htm -->
	<html lang="en-us">
	<head>
	<meta charset="utf-8">
	<title>Hello...</title>
	</head>
	<body>
	<section>
	<h1>

	# string are processed literally inside computers
	puts "Martin and Maggie are awesome co-workers!"

	puts "here's another string"

	# we can add numbers since they're the same type
	puts 4 + 4

	# we can add to strings (concat.) together to form a third string
	puts 4.to_s + 8.to_s

	require_relative('./car')

	bmw = BMW.new("M4")

	begin
	bmw.accelerate
	bmw.accelerate
	rescue => e
	puts e
	end

	require_relative('./car_methods')

	class Car

	attr_accessor :current_speed

	def initialize(model, color)
	@model = model
	@color = color
	@current_speed = 0

	gem 'activerecord'
	gem 'pg'