Ruby on Rails is a dynamic web framework focused on rapid development and programmer happiness, utilizing the Ruby programming language known for its simplicity and productivity. Created by Yukihiro Matsumoto, Ruby blends features from various languages to achieve a balance of functional and imperative programming. Ruby on Rails has influenced many other frameworks and is widely used by numerous successful applications.

1. Ruby on Rails
Ruby On Rails: the fast development web framework designed for programmer happiness
from Fast Prototyping… to Strong Enterprise...

2. Ruby...
A dynamic, open source programming
language with a focus on simplicity and
productivity. It has an elegant syntax that is
natural to read and easy to write.
Ruby is a language of careful
balance.
Its creator, Yukihiro “Matz”
Matsumoto, blended parts of his
favorite languages (Perl, Smalltalk,
Eiffel, Ada, and Lisp) to form a new
language that balanced functional
programming with imperative
programming.
https://www.ruby-lang.org/en/about/

3. ...on Rails
The fast development web
framework designed for
programmer happiness
Pragmatism
Expressiveness
Community
Maturity
Marketing

4. Who use RoR
They was small ideas…
...now they are superapps!
Twitter
Basecamp
GitHub
Shopify
Airbnb
Twitch
SoundCloud
Hulu
Zendesk
Square

5. Who copied
RoR
Almost everybody...
RoR was inspired by:
Django (Python)
and after a few years of evolution
it’s actually copied by:
Laravel (Php)
Cake (Php)
.Net MVC (C#)
Akelos (Php)
Phoenix (Elixir/Erlang)
and so on...

6. RoR basics
The right way of web
development
MVC
RESTful
Opinionated Framework
Convention over Configuration
(CoC)
Do not Repeat Yourself (DRY)