28hq

# app/controllers/users/password_controller.rb

class Users::PasswordsController < Devise::PasswordsController
  def resource_params
    params.require(:user).permit(:email, :password, :password_confirmation)
  end
  private :resource_params
end

28hq

$ rails g
Usage: rails generate GENERATOR [args] [options]

General options:
  -h, [--help]     # Print generator's options and usage
  -p, [--pretend]  # Run but do not make any changes
  -f, [--force]    # Overwrite files that already exist
  -s, [--skip]     # Skip files that already exist
  -q, [--quiet]    # Suppress status output

28hq

$ rails generate mailer
Could not find generator mailer.