Tina A. arubyist

Ruby Association Certified Ruby Examination Gold Sample Questions

Q1. Assume that the following code must have the stated execution result.

__(1)__
x.each_line { |line| puts line }

[Execution Result]
apple

Ruby Association Certified Ruby Examination Silver Sample Questions

Q1. Which of the following have true values in Ruby? (Choose two.)

(a) ""
(b) 0
(c) false
(d) nil

Articles

https://medium.com/@kentcdodds/first-timers-only-78281ea47455#.4zdpfigcb

Platforms

Cheatsheet

Move cursor

command	description
`ctrl`+`a`	Move cursor to the start of the line
`ctrl`+`e`	Move cursor to the end of the line
`◀` or `ctrl`+`b`	Move cursor back one character
▶ or ctrl+f	Move cursor forward one character

Install va homebrew

If you don't have homebrew installed - get homebrew here

Then run: brew install elasticsearch

Configuration

Update the elasticsearch configuration file in /usr/local/etc/elasticsearch/elasticsearch.yml.

Email Coding Guidelines

Warning

These guidelines haven't been updated since 2016. Learn more…

Table of contents

TL;DR
Intro
Layout

Thoughts about Rails Presenters

This is a collection of links, examples and rants about Presenters/Decorators in Rails.

The "Decorator" pattern slowly started gaining popularity in Rails several years ago. It is not part of core Rails, and there's many different interpretations about how it should work in practice.

Jay Fields wrote about it in 2007 (before he switched back to Java and then Clojure): http://blog.jayfields.com/2007/03/rails-presenter-pattern.html

A list of resources that aspiring Rails developers can use to learn Rails and other relevant technologies. This list includes some resources that I see recommended all over the web--not all of which I like--as well as some hidden gems that I've found valuable. This list is intended to supplement my blog post here.

Ruby

Codecademy
- One of the more well-known sites to offer interactive programming tutorials, Codecademy is probably best utilized by those who are pretty new to programming, though the Ruby tutorial is good for teaching Ruby syntax and eventually gets into some less trivial material.
Try Ruby
Pretty similar to Codecademy. Once again, it's beginner-friendly, though, as someone who knew about object-oriented programming beforehand, I found it somewhat annoying to use, as there's no page with links to the individual exercises (at le

	require 'rails_helper'

	RSpec.describe TodosController, :type => :controller do

	describe "GET #index" do
	#describe "POST #create" do
	#describe "GET #show" do
	#describe "PATCH #update" do (or PUT #update)
	#describe "DELETE #destroy" do
	#describe "GET #new" do

	# No yielding

	class NormPerson
	attr_accessor :first, :last
	def initialize(first = nil, last = nil)
	@first = first
	@last = last
	end
	def hello
	puts "#{@first} #{@last} says hello!"