Learn RUBY-ON-RAILS with Real Code Examples

Install Ruby (3.x+ recommended)

Install Rails via `gem install rails`

Create new project: `rails new project_name`

Navigate to project directory and install dependencies with Bundler

Run development server: `rails server`

Install Ruby 3.x+

Install Rails gem

Set up database (PostgreSQL/MySQL/SQLite)

Install dependencies via Bundler

Run development server locally

config/routes.rb - routes definition

config/application.rb - app configuration

app/models/ - models

app/controllers/ - controllers

app/views/ - templates

gem install rails

rails new project_name

rails server

rails generate scaffold

rails db:migrate

Built-in I18n support for multiple languages

Translate views and messages

Locale-specific formatting for dates/numbers

UTF-8 encoding by default

Supports pluralization and fallback locales

Templates can include semantic HTML and ARIA

Forms and validation messages accessible

Supports multiple locales via I18n

Middleware can enforce security headers

Screen reader compatibility depends on templates

ERB or Haml templates

CSS/Sass/JS assets via asset pipeline

Supports front-end frameworks

Dynamic content rendered in views

Minimal default styling

Stateless HTTP requests

Session management via cookies or server-side sessions

Persistent data via database

Caching for performance

Authentication/authorization manage user state

Active Record ORM for database operations

Migrations for schema changes

Serialize JSON for APIs

Use caching layers for frequent queries

Integrate with external services as needed