Introduction to Ruby on Rails: Build Web Apps Faster.

Ruby on Rails: Build Web Apps Faster. This presentation explores this popular framework, highlighting its benefits for developers - increased productivity, large community support - and key features like MVC architecture and built-in security. Learn how to get started and join the vibrant Rails community.

1. INTRODUCTION TO
RUBY ON RAILS
Ruby on Rails, often referred to as Rails, is an open-source web application
framework written in Ruby. Developed by David Heinemeier Hansson and
released in 2004, Rails emphasizes convention over configuration (CoC)
and the don't repeat yourself (DRY) principle. These principles streamline
the development process, making Rails an efficient and effective
framework for building modern web applications. Rails promotes quick
development with clean and readable code, offering a robust environment
for both beginners and experienced developers.

2. RAILS ARCHITECTURE
AND COMPONENTS
Ruby on Rails follows the Model-View-Controller (MVC)
architecture, which separates an application into three
interconnected components. The Model represents the
data and the business logic of the application. The View is
responsible for displaying the data to the user through an
HTML template. The Controller acts as an intermediary
between the Model and the View, processing incoming
requests, manipulating data, and rendering the
appropriate view. This separation of concerns facilitates
organized and maintainable code, enhancing the overall
development experience.

3. CONVENTION OVER
CONFIGURATION AND
DRY PRINCIPLES
One of the core philosophies of Ruby on Rails is
Convention over Configuration (CoC). This means that
Rails has sensible defaults for the structure and
configuration of a web application, allowing developers to
focus on writing code rather than setting up
configurations. The DRY (Don't Repeat Yourself) principle is
also fundamental to Rails, encouraging code reuse and
reducing redundancy. By adhering to these principles,
Rails minimizes the effort required for repetitive tasks and
promotes efficient development practices.

4. RAILS GEMS AND LIBRARIES
Ruby on Rails boasts a rich ecosystem of gems and libraries that extend its
functionality. Gems are reusable pieces of code that can be easily integrated into a
Rails application to add features such as authentication, authorization, file uploads, and
more. Popular gems include Devise for authentication, Pundit for authorization, and
CarrierWave for file uploads. These gems, along with a vibrant community, provide
developers with the tools they need to build complex applications quickly and
efficiently.

5. ADVANTAGES AND USE
CASES OF RUBY ON RAILS
Ruby on Rails offers numerous advantages, including rapid development, a strong
emphasis on testing, and a mature community with extensive documentation.
Rails is well-suited for developing various types of web applications, from simple
blogs to complex e-commerce platforms and social networks. Its scalability and
maintainability make it a preferred choice for startups and established businesses
alike. Notable companies using Ruby on Rails include GitHub, Shopify, Airbnb, and
Basecamp, showcasing the framework's reliability and effectiveness in real-world
applications.

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