using forms with ruby rails code example

Example 1: sendgrid ruby on rails

ActionMailer::Base.smtp_settings = {
  :user_name => 'your_sendgrid_username',
  :password => 'your_sendgrid_password',
  :domain => 'yourdomain.com',
  :address => 'smtp.sendgrid.net',
  :port => 465,
  :authentication => :plain,
  :enable_starttls_auto => true
}

Example 2: ruby rails delete all of a model in console

user.destroy #For a single record
user.agents.destroy_all #For a collection