To run the migration, you would use the rake db:migrate command. This would generate a migration file with the necessary code to make the change to your database schema. For example, to create a migration to add a new column to a table, you would run rails generate migration AddColumnToTable. To create a migration, you can use the rails generate command. How do you create and use migrations in Rails?Migrations are used to make changes to your database schema over time. What are some of the most popular gems used in Rails applications?Some of the most popular gems used in Rails applications include RSpec for testing, Devise for authentication, and Sidekiq for background job processing. In Rails, the model layer is handled by ActiveRecord, the view layer by ActionView, and the controller layer by ActionController. ![]() This makes for more modular and maintainable code. It is a design pattern that separates the data (model), presentation (view), and logic (controller) layers of a web application. What is the MVC design pattern and how is it implemented in Rails?MVC stands for Model-View-Controller. Ruby on Rails is often just called "Rails." While Ruby is the backend language that powers Rails, you will still need to use HTML, CSS, and JavaScript to build the frontend of your web application. What are the main differences between Ruby and Rails?Ruby is a programming language while Rails is a web application framework written in Ruby. What is continuous integration and how is it used with Rails? How do you performance tune a Rails application? What are some of the best practices for debugging Rails applications? What are some of the most common security risks when building Rails applications? How do you set up and use a Rakefile in Rails? What is ActiveRecord and how is it used in Rails? How do you create and use migrations in Rails? What are some of the most popular gems used in Rails applications? What is the MVC design pattern and how is it implemented in Rails? What are the main differences between Ruby and Rails? What is your experience with deploying to other platforms such as Engine Yard or DigitalOcean? What is your experience with the AWS platform? What is your experience with the Heroku platform? What is your experience with collaborating on projects using GitHub? What is your experience with using version control systems such as Git or SVN? What is your experience with hosting Ruby on Rails applications? What is your experience with deploying Ruby on Rails applications? What is your experience with integrating Ruby on Rails applications with third-party APIs? What is your experience with using AJAX in Ruby on Rails applications? What is your experience with using background workers such as Sidekiq or Resque? What is your experience with other testing frameworks such as Shoulda, MiniTest, or turnip? What is your experience with FactoryGirl? What is your experience with database migrations? What is your experience with using ActiveRecord? What is your experience with developing RESTful web services? What is your experience with TDD and BDD? What are some of the best practices you have adopted when working with Ruby on Rails? What are some of the main challenges you have faced when working with Ruby on Rails? What are the main benefits of using Ruby on Rails? What are the main differences between Ruby and Ruby on Rails? What tips would you give to someone who is just starting out with Ruby on Rails? ![]() What are some best practices you follow when working with Ruby on Rails? What are some of the challenges you have faced while working with Ruby on Rails? How would you go about solving a problem with Ruby on Rails? What experience do you have with Ruby on Rails? ![]() What makes a good Senior Ruby on Rails Engineer? What skills are necessary to be a successful Senior Ruby on Rails Engineer? What are the responsibilities of a Senior Ruby on Rails Engineer? A Senior Ruby on Rails Engineer is also responsible for mentoring junior engineers and providing guidance on best practices.What are some common interview questions asked of a Senior Ruby on Rails Engineer? They work closely with other engineers, designers, and product managers to ensure that the application meets all specifications and is of high quality. A Senior Ruby on Rails Engineer is responsible for the development and maintenance of applications written in Ruby on Rails.
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