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Ruby on Rails 3
Ruby Training Overview

This 2-day course describes how to write database-backed Web Applications using the Ruby on Rails (also pronounced RoR, or Rails) Framework. Students are taken through the various steps of creating a full-fledged Web Application. Topics include the MVC paradigm, object relational mapping, fill-in forms, sessions, validation techniques, testing, and various other Rails topics. This course covers the fundamental components of the Ruby Programming Language. Emphasis is placed on the object oriented aspects of Ruby. Topics include arrays, hashes, regular expressions, io, exceptions, modules, and applications areas.

Ruby Training Audience

Developers, system administrators, or managers who need to write a Rails application or evaluate a Rails framework.

Ruby Training Prerequisites

Students who are familiar with Ruby Programming language, SQL database and have an understanding of HTML.

Course duration

2 Days

Ruby Training Course outline

1. An Overview of Ruby on Rails
  • What is Ruby on Rails?
  • Overview of Rails Components
  • Installing Rails
  • A Simple Rails Application
  • Starting the Rails Server
  • Static Pages Within a Rails Application
  • The Structure of a Rails Application
  • Generating a Controller
  • Rendering the View
  • Adding a Static Page
  • Dynamic Pages with Embedded Ruby
  • Using the render Method
  • Using the link_to Method
2. Rails and HTML Forms
  • A Basic HTML Form
  • Processing an HTML Form
  • Working with Form Data
  • Other Form Elements
  • Form Tag Helpers
3. Databases and Rails
  • Review of the MVC Architecture
  • Entities and Relationships
  • Databases and Models
  • Rails Database Conventions
  • Adding a Model
  • Database Migrations
  • The Rails Database Console
  • Creating a Rails View of a
  • Database Table
  • Scaffolding
  • RESTful Routes and Resources
4. Form Helpers and Validation
  • Introduction
  • Form Helpers and form_for
  • Processing Form Helpers
  • From Form to Database
  • Redirection
  • Data Validation
  • Validation Helpers
  • The presence Validator
  • The numericality Validator
  • The uniqueness Validator
  • The length Validator
  • The format Validator
  • Custom Validation Methods
  • The errors Object
  • Displaying Validation Errors in
  • the View
5. Adding Style to an Application
  • Styling
  • Rails and Sass
  • Cascading Style Sheets
6. Users
  • Introduction
  • Configuring an Application for Sessions
  • Registering Users
  • The Register Action
  • The flash Hash
  • Validating the Registration
  • Logging in
  • Logging Out
  • Protected Pages
  • Filters
7. Putting It All Together
  • Introduction
  • The Business Application
  • Database Terminology
  • Linking Two Models
  • Adding Tasks
  • The Database Tables
  • Displaying Employee Tasks
  • Deleting a Task
  • Listing Employees and Tasks
  • Migrations
  • Editing a Record
  • Summary

 
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