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See question on stack overflow: http://stackoverflow.com/questions/28595636/rails-4-how-to-give-alias-names-to-includes-and-joins-in-active-record-que

- Model Student and model Teacher are both STI models with super class model User
- Model Story is a STI model with super class model Task
- includes() and joins(), both fails

Rails alias naming convention (includes() and joins())

- One model as parameter
  - is base model (includes(:users))

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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

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Note that Heroku Config is found in /.git/config
** Make sure you have setup your git properly before pushing to Heroku **

Pre-conditions for app on Heroku

• Database must be Postgres: gem 'pg'
• Heroku uses unicorn, so you need: gem 'unicorn'
• Heroku needs this gem too: gem 'rails_12factor', group: :production
• Add ruby '2.0.0' to the top of your Gemfile
• Remove gem 'sqlite3' from your Gemfile
• Setup Procfile as per https://devcenter.heroku.com/articles/getting-started-with-rails4#webserver

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# /config.ru
# This file is used by Rack-based servers to start the application.
# File generated by "rails create MyApp"

# For Rails
require ::File.expand_path('../config/environment', __FILE__)

# For Sinatra
require './slim/slim.rb'
# - Make sinatra play nice

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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')

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require 'test_helper'

# Controller Testing Reminders
# * was the web request successful?
# * was the user redirected to the right page?
# * was the user successfully authenticated?
# * was the correct object stored in the response template?
# * was the appropriate message displayed to the user in the view?

class ProjectsControllerTest < ActionController::TestCase

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Rubocop Linter with Sublime Text 3

Rubocop is a static code analyzer based on the community driven Ruby style guide. The following steps set up Rubocop as a linter within Sublime Text 3.

Install Rubocop

From the terminal:

$ gem install rubocop

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Rubocop Linter with Sublime Text 3

Rubocop is a static code analyzer based on the community driven Ruby style guide. The following steps set up Rubocop as a linter within Sublime Text 3.

Install Rubocop

From the terminal:

$ gem install rubocop

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Creating a "DMG installer" for OS X

A DMG Installer is convenient way to provide end-users a simple way to install an application bundle. They are basically a folder with a shortcut to the Applications directory but they can be customized with icons, backgrounds, and layout properties. A DMG file (.dmg) is a Mac OS X Disk Image file and it is used to package files or folders providing compression, encryption, and read-only to the package.

##Creating the DMG file #Disk Utility

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import AppKit

struct ScreenshotManager {

    /// Matches macOS' screenshot filename format.
    private static let filenameFormatter: DateFormatter = {
        let formatter = DateFormatter()
        formatter.dateFormat = "'Screen Shot' yyyy-MM-dd 'at' HH.mm.ss"
        return formatter
    }()