Symfony v3.3.4, Doctrine ORM v2.5.6 I've created an event subscriber for a doctrine entity : AppBundle\EventListener\LivreSubscriber: tags: - { name: doctrine.event_subscriber } It works f...

I'm trying to learn implementations of Observer Pattern. EventEmitter/EventTarget/EventDispatcher are one implementation of Observer Pattern but I wonder the differences between these three. Any ...

I am having a hard time figuring out a reliable and scalable solution for a webhook dispatch system. The current system uses RabbitMQ with a queue for webhooks (let's call it events), which are con...

I want to programmatically fire the "end" event of d3-drag. I have some circles and have the drag-handling of them implemented like so: ... .call(d3.drag() .on("drag", function...

I observe inconsistency/bug in handling click event among various browsers (Chrome, Edge, Firefox). In my JavaScript library that uses SVG I create clickable and draggable rectangles. When I run m...

I have this simple example here which is not firing in Chrome 11 for me http://jsfiddle.net/G9mJw/ which consists on a very simple code: var dropzone = document.getElementById('dropzone'), dragga...

I'm looking to implement Observer Pattern into my app (not php, that's why not using Symfony's component). I found it strange though that the component is not using classes to propagate or listen ...

I'm new to swing, any help appreciated. In this piece of code I'm turning a card over face up, if it turns out that they don't match I want them to turn back face down again. At the moment what i...

I've got a Swing application with a model and a view. In the view (GUI) there are a lot of components, each of them mapping to some property of a model object and displaying it's value. Now there ...

I am trying to make sense of Observer design pattern as the main event dispatching design pattern. The Observer pattern appears to be type or kind of Publish-Subscribe design pattern and I am...

I need to integrate an event dispatcher in my own codebase (custom PHP library), so I looked at what both Symfony2 and Zend Framework 2 are doing. Obviously, there's no shared interface for dispat...

I am making mouse click events and I'm trying to dispatch it to some node several times in a row. For that I am using the same MouseEvent object and for some reason this approach does not work. Yet...

I was wondering what the appropriate form was when creating custom events? Should one create a CustomEvent class, and then create a temporary dispatcher in the function, and dispatch the CustomEven...

I wish to create own events and dispatch them. I never done this before in C#, only in Flex.. I guess there must be a lot of differencies. Can anyone provide me a good example?

This is a follow-up to these earlier questions: How to stop editing with DefaultCellEditor when a separate JBtton is pressed Sun Bug 4724980: JTable: Add API to control what happens to edits when ...