Getting started with Ruby on Rails

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Ruby on Rails is an agile web application framework that uses the Ruby programming language. It incorporates the Model-View-Controller architectural pattern, using conventions over configurations and Don't Repeat Yourself principles. Rails emphasizes convention and abstraction to minimize configuration and promote rapid development of maintainable web applications.

Technologie

AGILE
WEB DEVELOPMENT
WITH RUBY ON RAILS
ROB DAVARNIA
robdvr.com
@robdvr

?

WHAT’S RAILS?
AN

AGILE

WEB

FRAMEWORK

THAT USES

RUBY

twitter, livingsocial, codeacademy, basecamp &...

{

FRAMEWORK
STRUCTURE
MODULARITY
ABSTRACTION
ENCAPSULATION

?

WHAT’S AGILE?

AGILE

vs.
Waterfall MODEL
requirements
design
implementation
verification
maintenance

RAILS IS AGILE
“DONE IS BETTER THAN PERFECT.”
“CONVENTION
“DON’T

OVER CONFIGURATION.”

REPEAT YOURSELF.” (DRY)

ARCHITECTURE
MODEL SQL & Database Queries / ORM
VIEW Presentation & Styling / CSS, Javascript
CONTROLLER Logic & Methods

ARCHITECTURE
BROWSER

1

ROUTER

2
5

CONTROLLER

4
VIEW

3
MODEL

DATABASE

MODEL

!
!

DRIVERS
OBJECT-RELATIONAL MAPPING(ORM)
student = Student.all

WILL GENERATE
SELECT *
FROM students;

CONTROLLER
ENCAPSULATES ALL
THE METHODS AND
APP LOGIC
ACTS AS A LAYER BETWEEN

MODEL & VIEW*

*for a db-driven view

VIEW
PRESENTATION, DESIGN

& STYLING

AMAZING

ASSET PIPELINE

SCSS & COFFEESCRIPT
YOU CAN USE
BACKBONE, ANGULAR,...

DEFAULTS
Database
Styles
Javascript

SQLITE
SCSS (SASS)
COFFEESCRIPT - UGLIFIER

RESOURCES
rubyonrails.org
guides.rubyonrails.org
api.rubyonrails.org
!

ruby-toolbox.com
!

codeschool.com (Try Ruby / Rails for Zombies)
lynda.com
railscasts.com
agile web dev. with rails (book)

<% end %>
ROB DAVARNIA
robdvr.com
@robdvr

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