If an Observable object notifies its Observers when one or more of the variables (animals) below is assigned to a new animal, is this an improper use of the Observer Pattern since the Observer will en
For an application that repaints frequently, how should the \'model\' notify the \'views\' that they need to repeatedly repaint one of their components. This:
I would like to know why it\'s better to use observe开发者_Python百科rs rather than adding the action directly into the onclick=\"\".
I have a blank <a> tag that content is loaded into via an external piece of javascript. I want to observe the <a> and when its content changes开发者_开发知识库 perform another task. The co
Does anyone know of an alternative to the Observer a.k开发者_运维问答.a. Listener pattern? I\'m interested in something that would work well in an asynchronous
I need to create a 开发者_开发问答screen saver (a window that\'s continuously changing its contents) in C#.
I am having an issue getting observers to trigger when using seed data in my development database. app/models/item_observer.rb:
Observers and Callbacks on Rails models operate on the same thread and block the request until they return.
I would like after saving in one model to create a few lists in开发者_运维百科 my list model. So I can get that to work for one list in the controller (I know bad) like this:
i\'m desperate with one problem. i want to register custom callback :after_something and then use that callback into 开发者_StackOverflowobserver.