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Credit Card Validator!

now with automated tests

Austin Wood

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To Run

1. run ruby credit_check_test.rb

To Debug via Pry

1. Make sure you have installed Pry (gem install pry)

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Changing Your Databases from YAML to SQLite

References to learning SQL and Sequel

Fundamental SQL

Getting Started with Sequel

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# vim <filename.ext> --startuptime <log-file>
# eg. vim hello_world.rb --startuptime vim.log


================ Output ================
times in msec
 clock   self+sourced   self:  sourced script
 clock   elapsed:              other lines

000.008  000.008: --- VIM STARTING ---

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=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')

indiesquidge

Homebrew

How To

Homebrew is a package management system for OS X. You can read more about it here, or simply run

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

to install it.

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Presenters & Decorators

Decorators

Decorators are used to add new functionality to an already existing object by "wrapping" it with new methods, without effecting other instances of that object. Thus, decorators are a perfect example of the Open/closed principle, in which an object is "open for extension" but "closed for modification"; you should be able to add new behavior to application without changing it's underlying source code. If any of this is a bit hard to swallow, I would

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# Partner: Chris Luhring, @cluhring

require_relative "custom_array"

RSpec.describe "CustomArray" do
  it "can flatten some custom array of numbers" do
    c = CustomArray.new([[1,2],[3,[4,5]]])
    expect(c.flatten).to eq([1, 2, 3, 4, 5])
  end

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Learn You a Turing for Great Good!

It’s hard to keep track of everything you’re learning

• Once a day, try and recap what you learned that day; write about it!
• Once a week, recap the week
• Every module, recap the module
• Keep your "Turing environment" clean and organized

"You should sit in meditation for 20 minutes a day, unless you're too busy; then you should sit for an hour.”

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Object Model

Bindings

• are nodes in the stack
• store local_variables
• have a return value
• have a self

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class Tmux < Formula
  desc "Terminal multiplexer"
  homepage "https://tmux.github.io/"
  url "https://github.com/tmux/tmux/releases/download/2.1/tmux-2.1.tar.gz"
  sha256 "31564e7bf4bcef2defb3cb34b9e596bd43a3937cad9e5438701a81a5a9af6176"

  bottle do
    cellar :any
    sha256 "165ad1037a3993fd12c745cdf77bdd31133c0e13188ede37096532dddb5591c6" => :el_capitan
    sha256 "44f62e8bed576ac82d5e2f768a6f3c6efb86fe7e45b37873d137294c8ef887b6" => :yosemite