Ruby on rails notes for professionals

✍ Scribed by Goalkicker.com

• Tongue: English
• Leaves: 231
• Category: Library

✦ Synopsis

The Ruby® on Rails Notes for Professionals book is compiled from Stack Overflow Documentation, the content is written by the beautiful people at Stack Overflow. Text content is released under Creative Commons BY-SA. See credits at the end of this book whom contributed to the various chapters. Images may be copyright of their respective owners unless otherwise specified

✦ Table of Contents

Content list
About
Chapter 1: Getting started with Ruby on Rails
Section 1.1: Creating a Ruby on Rails Application
Section 1.2: Create a new Rails app with your choice of database and including the RSpec Testing Tool
Section 1.3: Generating A Controller
Section 1.4: Installing Rails
Section 1.5: Create a new Rails app with a non-standard database adapter
Section 1.6: Creating Rails APIs in JSON
Section 1.7: Generate a Resource with Scaolds
Chapter 2: Routing
Section 2.1: Resource Routing (Basic)
Section 2.2: Constraints
Section 2.3: Scoping routes
Section 2.4: Concerns
Section 2.5: Root route
Section 2.6: Split routes into multiple files
Section 2.7: Additional RESTful actions
Section 2.8: Member and Collection Routes
Section 2.9: Mount another application
Section 2.10: Nested Routes
Section 2.11: Redirection
Section 2.12: Redirects and Wildcard Routes
Section 2.13: Scope available locales
Section 2.14: URL params with a period
Chapter 3: ActiveRecord
Section 3.1: Creating a Model via generator
Section 3.2: Introduction to Callbacks
Section 3.3: Creating a Model manually
Section 3.4: Manually Testing Your Models
Section 3.5: Creating A Migration
Section 3.6: Create a Join Table using Migrations
Section 3.7: Using a model instance to update a row
Chapter 4: Views
Section 4.1: Structure
Section 4.2: Partials
Section 4.3: AssetTagHelper
Section 4.4: Replace HTML code in Views
Section 4.5: HAML - an alternative way to use in your views
Chapter 5: ActiveRecord Migrations
Section 5.1: Adding multiple columns to a table
Section 5.2: Add a reference column to a table
Section 5.3: Rollback migrations
Section 5.4: Add a new column with an index
Section 5.5: Run specific migration
Section 5.6: Redo migrations
Section 5.7: Add a new column to a table
Section 5.8: Remove an existing column from a table
Section 5.9: Add column with default value
Section 5.10: Running migrations in dierent environments
Section 5.11: Create a new table
Section 5.12: Running migrations
Section 5.13: Change an existing column’s type
Section 5.14: Create a hstore column
Section 5.15: Create a join table
Section 5.16: Add a self reference
Section 5.17: Create an array column
Section 5.18: Add an unique column to a table
Section 5.19: Checking migration status
Section 5.20: Changing Tables
Section 5.21: Adding a NOT NULL constraint to existing data
Section 5.22: Forbid null values
Chapter 6: Rails Best Practices
Section 6.1: Fat Model, Skinny Controller
Section 6.2: Domain Objects (No More Fat Models)
Section 6.3: Beware of default_scope
Section 6.4: Convention Over Configuration
Section 6.5: Don't Repeat Yourself (DRY)
Section 6.6: You Ain’t Gonna Need it (YAGNI)
Chapter 7: Naming Conventions
Section 7.1: Controllers
Section 7.2: Models
Section 7.3: Filenames and autoloading
Section 7.4: Views and Layouts
Section 7.5: Models class from Controller name
Chapter 8: ActionCable
Section 8.1: User Authentication
Section 8.2: [Basic] Server Side
Section 8.3: [Basic] Client Side (Coeescript)
Chapter 9: ActiveModel
Section 9.1: Using ActiveModel::Validations
Chapter 10: User Authentication in Rails
Section 10.1: Authentication using Devise
Section 10.2: Devise Controller Filters & Helpers
Section 10.3: Omniauth
Section 10.4: has_secure_password
Section 10.5: has_secure_token
Chapter 11: ActiveRecord Associations
Section 11.1: Polymorphic association
Section 11.2: Self-Referential Association
Section 11.3: belongs_to
Section 11.4: has_one
Section 11.5: has_many
Section 11.6: The has_many :through association
Section 11.7: The has_one :through association
Section 11.8: The has_and_belongs_to_many association
Chapter 12: ActiveRecord Validations
Section 12.1: Validating length of an attribute
Section 12.2: Validates format of an attribute
Section 12.3: Validating presence of an attribute
Section 12.4: Custom validations
Section 12.5: Validates inclusion of an attribute
Section 12.6: Grouping validation
Section 12.7: Validating numericality of an attribute
Section 12.8: Validate uniqueness of an attribute
Section 12.9: Skipping Validations
Section 12.10: Confirmation of attribute
Section 12.11: Using :on option
Section 12.12: Conditional validation
Chapter 13: ActiveRecord Query Interface
Section 13.1: .where
Section 13.2: .where with an array
Section 13.3: Scopes
Section 13.4: Get first and last record
Section 13.5: Ordering
Section 13.6: where.not
Section 13.7: Includes
Section 13.8: Joins
Section 13.9: Limit and Oset
Section 13.10: .find_by
Section 13.11: .delete_all
Section 13.12: ActiveRecord case insensitive search
Section 13.13: .group and .count
Section 13.14: .distinct (or .uniq)
Chapter 14: ActionMailer
Section 14.1: Basic Mailer
Section 14.2: Generating a new mailer
Section 14.3: ActionMailer Interceptor
Section 14.4: Adding Attachments
Section 14.5: ActionMailer Callbacks
Section 14.6: Generate a Scheduled Newsletter
Chapter 15: Rails generate commands
Section 15.1: Rails Generate Controller
Section 15.2: Rails Generate Migration
Section 15.3: Rails Generate Scaold
Section 15.4: Rails Generate Model
Chapter 16: Configuration
Section 16.1: Custom configuration
Chapter 17: I18n - Internationalization
Section 17.1: I18n with arguments
Section 17.2: Translating ActiveRecord model attributes
Section 17.3: Get locale from HTTP request
Section 17.4: Pluralization
Section 17.5: Set locale through requests
Section 17.6: Use I18n with HTML Tags and Symbols
Section 17.7: Use I18n in views
Chapter 18: Using GoogleMaps with Rails
Section 18.1: Add the google maps javascript tag to the layout header
Section 18.2: Geocode the model
Section 18.3: Show addresses on a google map in the profile view
Section 18.4: Set the markers on the map with javascript
Section 18.5: Initialize the map using a coee script class
Section 18.6: Initialize the map markers using a coee script class
Section 18.7: Auto-zoom a map using a coee script class
Section 18.8: Exposing the model properties as json
Chapter 19: File Uploads
Section 19.1: Single file upload using Carrierwave
Section 19.2: Nested model - multiple uploads
Chapter 20: Caching
Section 20.1: Russian Doll Caching
Section 20.2: SQL Caching
Section 20.3: Action caching
Section 20.4: Fragment caching
Section 20.5: Page caching
Section 20.6: HTTP caching
Chapter 21: ActionController
Section 21.1: Basic REST Controller
Section 21.2: Filters
Section 21.3: Generating a controller
Section 21.4: Rescuing ActiveRecord::RecordNotFound with redirect_to
Section 21.5: Display error pages for exceptions
Section 21.6: Output JSON instead of HTML
Section 21.7: Controllers (Basic)
Section 21.8: Parameters
Section 21.9: Filtering parameters (Basic)
Section 21.10: Redirecting
Section 21.11: Using Views
Chapter 22: Configuration
Section 22.1: Rails General Configuration
Section 22.2: Configuring assets
Section 22.3: Configuring generators
Section 22.4: Environments in Rails
Section 22.5: Database Configuration
Chapter 23: Safe Constantize
Section 23.1: Successful safe_constantize
Section 23.2: Unsuccessful safe_constantize
Chapter 24: Rails 5
Section 24.1: How to install Ruby on Rails 5 on RVM
Section 24.2: Creating a Ruby on Rails 5 API
Chapter 25: Authorization with CanCan
Section 25.1: Getting started with CanCan
Section 25.2: Handling large number of abilities
Section 25.3: Defining abilities
Section 25.4: Quickly test an ability
Chapter 26: Mongoid
Section 26.1: Fields
Section 26.2: Installation
Section 26.3: Creating a Model
Section 26.4: Classic Associations
Section 26.5: Embedded Associations
Section 26.6: Database Calls
Chapter 27: Gems
Section 27.1: Gemfiles
Section 27.2: What is a gem?
Section 27.3: Bundler
Section 27.4: Gemsets
Chapter 28: Change default timezone
Section 28.1: Change Rails timezone AND have Active Record store times in this timezone
Section 28.2: Change Rails timezone, but continue to have Active Record save in the database in UTC
Chapter 29: Asset Pipeline
Section 29.1: Manifest Files and Directives
Section 29.2: Rake tasks
Section 29.3: Basic Usage
Chapter 30: Upgrading Rails
Section 30.1: Upgrading from Rails 4.2 to Rails 5.0
Chapter 31: ActiveRecord Locking
Section 31.1: Optimistic Locking
Section 31.2: Pessimistic Locking
Chapter 32: Debugging
Section 32.1: Debugging Rails Application
Section 32.2: Debugging Ruby on Rails Quickly + Beginner advice
Section 32.3: Debugging ruby-on-rails application with pry
Section 32.4: Debugging in your IDE
Chapter 33: Configure Angular with Rails
Section 33.1: Angular with Rails 101
Chapter 34: Rails logger
Section 34.1: Rails.logger
Chapter 35: Prawn PDF
Section 35.1: Advanced Example
Section 35.2: Basic Example
Chapter 36: Rails API
Section 36.1: Creating an API-only application
Chapter 37: Deploying a Rails app on Heroku
Section 37.1: Deploying your application
Section 37.2: Managing Production and staging environments for a Heroku
Chapter 38: ActiveSupport
Section 38.1: Core Extensions: String Access
Section 38.2: Core Extensions: String to Date/Time Conversion
Section 38.3: Core Extensions: String Exclusion
Section 38.4: Core Extensions: String Filters
Section 38.5: Core Extensions: String Inflection
Chapter 39: Form Helpers
Section 39.1: Creating a search form
Section 39.2: Dropdown
Section 39.3: Helpers for form elements
Chapter 40: ActiveRecord Transactions
Section 40.1: Basic example
Section 40.2: Dierent ActiveRecord classes in a single transaction
Section 40.3: Multiple database connections
Section 40.4: save and destroy are automatically wrapped in a transaction
Section 40.5: Callbacks
Section 40.6: Rolling back a transaction
Chapter 41: RSpec and Ruby on Rails
Section 41.1: Installing RSpec
Chapter 42: Decorator pattern
Section 42.1: Decorating a Model using Draper
Section 42.2: Decorating a Model using SimpleDelegator
Chapter 43: Elasticsearch
Section 43.1: Searchkick
Section 43.2: Installation and testing
Section 43.3: Setting up tools for development
Section 43.4: Introduction
Chapter 44: React with Rails using react-rails gem
Section 44.1: React installation for Rails using rails_react gem
Section 44.2: Using react_rails within your application
Section 44.3: Rendering & mounting
Chapter 45: Rails Cookbook - Advanced rails recipes/learnings and coding techniques
Section 45.1: Playing with Tables using rails console
Section 45.2: Rails methods - returning boolean values
Section 45.3: Handling the error - undefined method `where' for #
Chapter 46: Multipurpose ActiveRecord columns
Section 46.1: Saving an object
Section 46.2: How To
Chapter 47: Class Organization
Section 47.1: Service Class
Section 47.2: Model Class
Chapter 48: Shallow Routing
Section 48.1: Use of shallow
Chapter 49: Model states: AASM
Section 49.1: Basic state with AASM
Chapter 50: Rails 5 API Authetication
Section 50.1: Authentication with Rails authenticate_with_http_token
Chapter 51: Testing Rails Applications
Section 51.1: Unit Test
Section 51.2: Request Test
Chapter 52: Active Jobs
Section 52.1: Introduction
Section 52.2: Sample Job
Section 52.3: Creating an Active Job via the generator
Chapter 53: Rails frameworks over the years
Section 53.1: How to find what frameworks are available in the current version of Rails?
Section 53.2: Rails versions in Rails 1.x
Section 53.3: Rails frameworks in Rails 2.x
Section 53.4: Rails frameworks in Rails 3.x
Chapter 54: Nested form in Ruby on Rails
Section 54.1: How to setup a nested form in Ruby on Rails
Chapter 55: Factory Girl
Section 55.1: Defining Factories
Chapter 56: Import whole CSV files from specific folder
Section 56.1: Uploads CSV from console command
Chapter 57: Tools for Ruby on Rails code optimization and cleanup
Section 57.1: If you want to keep your code maintainable, secure and optimized, look at some gems for code optimization and cleanup :
Chapter 58: ActiveJob
Section 58.1: Create the Job
Section 58.2: Enqueue the Job
Chapter 59: Active Model Serializers
Section 59.1: Using a serializer
Chapter 60: Rails Engine - Modular Rails
Section 60.1: Create a modular app
Chapter 61: Single Table Inheritance
Section 61.1: Basic example
Section 61.2: Custom inheritance column
Section 61.3: Rails model with type column and without STI
Chapter 62: ActiveRecord Transactions
Section 62.1: Getting Started with Active Record Transactions
Chapter 63: Turbolinks
Section 63.1: Binding to turbolink's concept of a page load
Section 63.2: Disable turbolinks on specific links
Section 63.3: Understanding Application Visits
Section 63.4: Cancelling visits before they begin
Section 63.5: Persisting elements across page loads
Chapter 64: Friendly ID
Section 64.1: Rails Quickstart
Chapter 65: Securely storing authentication keys
Section 65.1: Storing authentication keys with Figaro
Chapter 66: Authenticate Api using Devise
Section 66.1: Getting Started
Chapter 67: Integrating React.js with Rails Using Hyperloop
Section 67.1: Adding a simple react component (written in ruby) to your Rails app
Section 67.2: Callbacks
Section 67.3: Declaring component parameters (props)
Section 67.4: HTML Tags
Section 67.5: Event Handlers
Section 67.6: States
Chapter 68: Change a default Rails application enviornment
Section 68.1: Running on a local machine
Section 68.2: Running on a server
Chapter 69: Rails -Engines
Section 69.1: Famous examples are
Chapter 70: Adding an Amazon RDS to your rails application
Section 70.1: Consider we are connecting MYSQL RDS with your rails application
Chapter 71: Payment feature in rails
Section 71.1: How to integrate with Stripe
Chapter 72: Rails on docker
Section 72.1: Docker and docker-compose
Appendix A: Reserved Words
Section A.1: Reserved Word List
Credits
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