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Exploring Advanced Rails Commands and Methods for Efficient Development

Delve into the specifics of Rails utilities with usage examples.

Ruby on Rails, renowned for its efficiency and ease of use, offers several command-line utilities and methods that significantly enhance the development experience. In this article, we explore four such utilities: rails console — sandbox, rails runner, Rails::ConsoleMethods, and .extract_associated, each serving unique and powerful purposes in Rails development.

Rails Console — sandbox

The `rails console — sandbox` command opens the Rails console in sandbox mode. In this mode, any changes you make to the database will be rolled back upon exiting the console. This is incredibly useful for testing and experimenting with data without affecting the actual database state.

Example Usage:

Imagine you want to test a destructive action, like deleting a user:

# Start the Rails console in sandbox mode
rails console --sandbox
# Inside the Rails console
user = User.find(1)
user.destroy
# You can experiment with the user data here
exit
# All changes are rolled back

Rails Runner