I have implemented an Observable class that stores a list all the observers. Should this list contain weak references to the observers for preventing memory leaks?
I have a small app which runs in background doing some tasks which basically detects the user behavior inside the Android Music application.
How to implement custom call_back and then register method into observer? If we use transaction into the model, is after_create is triggered for every single record inside the transaction or is trigg
Is there an object-oriented GUI design that would be a reasonable combination of the Command and Observer patterns?
I\'m writing a simple comment observer which triggers a mailer whenever a new comment is created. All the relevant code is in this gist: https://gist.github.com/c3234352b3c4776ce132
As I understand it, the observer pattern allows for multiple observers to monitor a single subject.Is 开发者_开发技巧there a pattern for the opposite scenario?Is there a pattern for a single observer
I\'m currently planning a web-app that requires listening permanently to a open socket-connection and writing specifig things to a database.
I\'m implementing a mechanism similar to the observer design pattern for a multithreaded Tetris game. There is a Game class which contains a collection of EventHandler objects. If a class wants to reg
I\'m looking for a way to monitor when a variable in my class gets set. For example if I have the following class:
or do th开发者_开发技巧ey belong in their own place?I agree with the convention, but when you find you\'ve got a lot of observers in app/models, you might want to go ahead and store all your observers