RUBY ON RAILS

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RUBY ON RAILS Online Training Course Content

Ruby on Rails Online Training Concepts :

  • Getting Started with Rails
  • Installing Rails
  • Platform requirements
  • Supported database back ends
  • Ruby installation
  • Instant Rails for Windows
  • Creating a new application
  • The ‘rails’ command
  • Tour of the Rails application layout

Application configuration and bootstrapping

  • Creating the databases
  • Configuring database.yml
  • Setting the default route

Connecting to a Rails application

  • Controller/action/id URL semantics
  • Dispatcher and routing roadmap
  • Basic custom route creation
  • Examining the log files

Rails tools

  • Managing tasks with rake (Ruby make)
  • The application console

The Model/View/Controller (MVC) framework architecture

  • MVC in the application directory layout
  • Separation of concerns
  • The Rails philosophy: “Convention over configuration”
  • Version control manager (git, GitHub)
  • Plugins and Gems
  • Ruby Language Skills and Techniques
  • Running Ruby
  • Command-line Ruby
  • The Interactive Ruby (irb) console

Objects, variables, and methods

  • Basic object-orientation concepts
  • Naming conventions
  • Variable assignment
  • Local vs. instance variables
  • Method-calling semantics
  • Method arguments and return values

Classes and modules

  • Instantiating classes
  • Mixing in modules
  • Modules as namespaces

Built-in classes

  • String
  • Array
  • Hash
  • Symbol
  • Numeric’s

Blocks and iterations

  • Blocks vs. methods vs. lambdas
  • Collection iteration
  • Single-object iteration

Model Design and Database Management

Domain modeling for Rails and Ruby

  • Describing the “what” of the application
  • Creating ActiveRecord models with “generate”

Object-relational mapping with ActiveRecord

  • ActiveRecord models and Ruby classes
  • ActiveRecord associations
  • One-to-one, one-to-many
  • Many-to-many

“Rails-friendly” SQL

  • Table-naming conventions
  • Primary and foreign keys

Database maintenance with ActiveRecord Migrations

  • Default migrations
  • Customizing migrations
  • Migrating backwards

.Controller Actions and View Templates

Basics of controller/view interaction

  • Creating controllers and views with “generate”
  • Default rendering rules
  • Shared controller/template instance variables
  • Separating controller logic from view specifics

HTML templating with Embedded Ruby (ERb)

  • Rules of ERb processing
  • Layouts
  • Using master and partial templates

Fine-tuning controllers and view

  • Controller filters
  • Redirecting requests
  • Default and custom view helper methods

Writing and processing HTML forms in Rails

  • Using form helper methods
  • “Magic” field initialization from instance variables
  • Accessing CGI data through the “params” hash

Ajax calls and RJS (Ruby/JavaScript) templates

  • Basic DOM updating with Ajax
  • Using RJS for composite Ajax calls

Application Testing

Rails unit tests

  • The Ruby TestUnit framework
  • Writing fixtures
  • Addressing test failures and errors

Functional (controller) tests

  • Triggering controller requests from tests
  • Examining controller responses

Ruby and Rails Resources

Mailing lists

Websites

Books

IRC channels