• Ruby on Rails Basic
  • Introduction
  • Syntax
    • Operators
    • Assign a value
    • Fixnum
    • String
    • Hash
    • Array
    • .nil? .blank? .empty? .present? .any? and .present?
    • class and instance variables
    • order and sort_by
    • i18n
    • .. vs ...
    • Routes
      • namespace, scope and module
      • only
      • Singular or plural controller
      • overrides the default resource identifier :id
    • Class
    • Date\/Time
    • Variables
    • put vs post
    • File
    • getter and setter
    • rails command line
      • rails generate(g)
    • %Q, %q, %W, %w, %x, %r, %s
    • MD5
    • is_a?, kind_of? and instance_of?
    • Exceptions
    • Blocks
    • Loop
    • random
    • Regular Expressions
    • prepend
    • Concern
    • delegate
    • try
    • inquiry
    • alias vs alias_method
    • yield
    • case when else
    • public, protected and private
    • unless
    • each
    • flash vs flash.now
    • Keyword Arguments
    • Module
      • mattr_accessor
    • respond_to?
    • Digest
    • OpenStruct vs. Struct
    • find where a method is defined and its owner
    • raise and fail
    • include vs require
  • Active Record
    • SQL Injection
    • delete_all vs destroy_all
    • errors
    • scope
    • includes vs joins
    • pluck and select
    • Optimistic Locking
    • Single Table Inheritance
    • where.not
    • Migrations
      • Foreign Keys
      • create join table
    • validates
    • Strong parameters
    • has_and_belongs_to_many
    • enum
    • Polymorphic
    • or
    • has_secure_password
    • inverse_of
    • find_each
    • confirmation
    • reload
  • Action View
    • sanitize, raw, html_safe, h, html_escape
    • disable utf8 hidden field
    • disable authenticity token
    • select_tag
    • j render partial
  • Action Controller
    • render\/json
    • before_action
  • Active Support
    • ActiveSupport::Callbacks
  • Action Mailer
  • Action Dispatch
    • request.method vs request.request_method
  • RSpec
    • built in matchers
    • describe, context and it
    • Model
    • mock/stub
    • be true, be truthy, be false and be_falsey
    • JSON comparation
    • Test a file upload
    • Test api
    • check arrays
    • Subject
    • authentication
    • Shared examples
    • some cheetsheets
    • yield matcher
    • controller
    • compare time
    • CSRF protection from remote tags, format: :js
    • it vs specify
    • test to see if a method was called
    • expect multiple changes
    • expect change to something
    • follow_redirect!
    • ActiveJob::Base.queue_adapter
    • VCR debug_logger
  • Web service
    • Cross-Origin Resource Sharing
    • Image\/file upload web service
    • Authentication
    • Versioning
  • Git Daily
    • push
    • log
    • modify the latest local commit (before push)
    • cherry
  • Gem
    • rspec-rails
    • settingslogic
    • cucumber
      • : matter?
      • data table
      • Mocking and Stubbing with Cucumber
      • bad URI
    • json_spec
    • guard
    • spring
    • rb-fsevent
    • paper_trail
    • rmagick
    • email-spec
    • ffaker
    • factory-girl-rails
    • shoulda
    • jbuilder
    • bullet
    • JWT
    • pry-byebug
    • responders
    • nyan-cat-formatter
    • auto_strip_attributes
    • bcrypt
    • fuubar
    • rspec-its
    • friendly_id
    • Paperclip
    • will_paginate
    • vcr
    • Curb
  • Scenarios
  • Deployment
  • Wirte a Gem
  • Advance
    • decorator vs presenter
    • Multiple Table Inheritance
    • Metaprogramming
    • Singleton class
  • Watching open source projects
  • ActionDispatch
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Single Table Inheritance

Single Table Inheritance

Reference

  • How (and When) to Use Single Table Inheritance in Rails
  • Single table inheritance
  • Jutsu #2 – Single Table Inheritance with Rails 4 (Part 1)
  • 9.4 Single-Table Inheritance (STI)
  • Single Table Inheritance - Problems and solutions
  • Refactoring our Rails app out of single-table inheritance
  • Three Reasons Why You Shouldn't Use Single Table Inheritance

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