When Ruby methods add an exclamation point at the end of their name (such as sort!), what does it typically indicate?

Which Rails helper would you use in the application view to protect against CSRF (Cross-Site Request Forgery) attacks?

In a Rails controller, what does the code params.permit(:name, :sku) do?

Review the code below. Which Ruby operator should be used to fill in the blank so that the sort method executes properly? [5,8,2,6,1,3].sort {|v1,v2| v1 ___ v2}

Which statement about ActiveRecord models is true?

Which choice best describes the expected value of @result? @result = Article.first.tags.build(name: 'Urgent')

What is the command to install Rails?

In the MVC pattern:

Which extension is default for views html templates?

What is a Gem?

Which is NOT a default Rails environment?