Top "Observer-pattern" questions

A design pattern in which an object, called the subject, maintains a list of its dependents, called observers and notifies them automatically of any state changes, usually by calling one of their methods.

Mediator Vs Observer Object-Oriented Design Patterns

I have been reading the Gang Of Four, in order to solve some of my problems and came across the …

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Is there an event for customer account registration in Magento?

I would like to be able to run some functionality with a module that I am building whenever a customer …

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Callback/Command vs EventListener/Observer Pattern

I'm trying to design an async framework and wanted to know what people think are the pros/cons of the …

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RxJava timer that repeats forever, and can be restarted and stopped at anytime

In android i use Timer to execute task that repeats every 5 seconds and starts after 1 second in this way: Timer …

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Data Pull vs. Push OOP Approach

When I design my system from scratch, I often face a dilemma whether my object should push information into another …

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Creating an Observable for Mock Data in Angular 2

I am trying to return an Observable from a service with mock data. I am returning this from my service : …

promise angular observer-pattern
Should I use a Listener or Observer?

I have a dropdown box in my GUI which shows the contents of an ArrayList in another class. New objects …

java swing arraylist listener observer-pattern
How to create custom event in symfony2

I want to create custom events called user_logged so that i can attach my listeners to those events. I …

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Why should the observer pattern be deprecated?

I've noticed that my dependency injected, observer-pattern-heavy code (using Guava's EventBus) is often significantly more difficult to debug than code …

oop design-patterns observer-pattern
observer pattern vs MVC

I am wondering what are the differences between an observer pattern and MVC. I have some experiences writing MVC program …

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