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Ruby on Rails is a web application framework written in the Ruby programming language. It is designed to make programming Web applications more accessible by making assumptions about what developers need to get started. One of the key features of Ruby on Rails is the use of "gems," which are packages of code that can be easily installed and used in a Rails application.
There are many gems available for use with Ruby on Rails, and some of them are used more frequently than others. Some examples of commonly used gems in Rails include:
- Devise: This gem is used for authentication and user management.
- RSpec: This gem is a popular testing framework for Rails applications.
- pry-rails: A plugin that adds the Pry debugger to your Rails application.
These are just a few examples of the many gems that are available for use with Ruby on Rails. As a general rule, it is a good idea to research and carefully consider which gems to use in your application, as they can add significant functionality and complexity to your codebase.
Devise
Devise is a popular gem for Ruby on Rails that provides authentication and user management features. It is designed to make it easier for developers to add authentication and authorization to their Rails applications.
Here is an example of how Devise might be used in a Rails application:
# Add the Devise gem to your Gemfile
gem 'devise'
