Ruby on rails notes for professionals

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 You may also like 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 You may also like