My model in my MVC pattern, generates components at runtime and gives them to the View to be displayed on the screen through update() method (you know, model is the observable and the view is the obse
I have the following classes: class Vigil < ActiveRecord::Base after_update :do_something_cool private
Where to find good material to study obs开发者_JS百科erver pattern? I need some examples, of code and also pictures of modelled situationsHead first design patterns is the book for you.
This javascript code does not work in IE8, but works in Firefox and Google Chrome: <% content_for :head do %>
I\'m trying to follow along with the thread on implementing an achievement system (located at How to implement an achievement system in RoR), and am running into a TypeError when the object is saved a
Is the observer design pattern already defined in STL (Like the java.util.Observer and java.util.Observable in Java) 开发者_如何转开发? No, but Boost.Signals2 gives you something similar.As far as my
I have an app with the following models: User, Task, and Assignment. Each Assignment belongs_to a User and a Task (or in other words, a Task is assigned to a User via an Assignment).
I have a fully implemented DAO and all my beans inherit an Entity object. Now, I want to create a client notification system whereby, when a user creates/updates/delete an entity to/from a persistence
i\'m using the observer pattern. I\'ve a class that implements the publisher class: class foo : public Publisher<const RecoveryState &>,
I am going to develop a tool that will do the following: collect the files from remote 开发者_开发技巧server - periodically every few minutes.
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