gistfile1.rb

class Company < ActiveRecord::Base
  def update_with_password(params={}) 
    if params[:password].blank? 
      params.delete(:password) 
      params.delete(:password_confirmation) if params[:password_confirmation].blank? 
    end 
    update_attributes(params) 
  end 
  

  protected
  def password_required?
    !persisted? || password.present? || password_confirmation.present?
  end
end