我有一个模型,并且我想要在关联更改时回调。 class Database
include Mongoid::Document
field :name, type: String
belongs_to :user
after_save :do_something if user_id_changed? #or 'if user_changed?'
我怎么能添加此 use Rack::Auth::Basic do |username, password|
username == 'pippo' && password == 'pluto'
end
这个 class HelloWorld
def call(env)
req = Rack::Request.new(env)
case req.path