Event-driven programming refers to the programming technique where the flow of the program is driven by recognition and handling of events such as mouse clicks, key presses, etc.

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Eventing solutions for java legacy applications too old for real JMS queue/topic eventing?

What are some architectural solutions that can mimic eventing for systems (Java) that are too old to implement eventing solutions, such as conventional Queue/Topic based JMS messaging? I have a ...
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Event driven programming in Haskell

I'm new to Haskell, so this is more a high-level conceptual question. I've read this: https://wiki.haskell.org/Real_World_Applications/Event_Driven_Applications and it has this: run :: Domain -> [...
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Sharing identical events, with differing scopes, between client and server libraries, in a micro-service architecture

I have a shared user repository (id, name, e-mail, password, etc.) exposed as a REST service - and multiple independent web-sites accessing this REST service (from the back-end) as a means of sharing ...
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Web framework architecture with non-blocking I/O

There's been a lot of news in the enterprise world lately, specially in the web, and I've decided to build a small web framework on top of Netty to learn more about asynchronous programming and event-...
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Multiple handlers of an exception, and handling exceptions in the UI

Related to: Is onError handler better than exceptions? Premise I am writing a piece of library code that performs certain tasks, to separate concerns, we decided it should not write to a log or ...
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State Pattern Code for embedded device - Dependency Injection of Device Objects in Context and State Classes

I'm wrestling with some code and I think I've finally gotten some state pattern code working with my events. I've got a simplified system that will work like this: This is my first go with State ...
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Using events and event subscribers to create windows in a desktop application

I should probably open this by saying I do mostly Web applications at work, which obviously have some major differences from typical desktop stuff. I had a small Windows Forms program I'd made for ...
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Hidden event handlers and their parameters

I'm having a bit of trouble understanding why has an event handler to be defined as a function. AFAIK, a function can be used as anonymous called procedure as event handler It defines a ...
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Updating GUI in 'realtime' using events

My Plan Have a system that holds some objects Have a winforms-form that displays some key values of these objects When certain changes occur(object gets add / removed / datat change): Update GUI ...
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Is there just one EventHandler class per application?

In a game I'm making I was about to add a MovementEventHandler, with events like "pre-character-movement" and "post-character-movement". But this class will do exactly the same as a future ...
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How to setup dependency injection framework in JavaScript

I'm creating a web page and would like to keep the UI and the JavaScript separate. To accomplish that I'd like to add event listeners after the UI elements have been created. I don't know if this is ...
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In an event driven microservice environment, are domain events equal to topics?

A lot of messaging frameworks have the term "topic". In a ddd microservice architecture, do these topics always reflect the domain events?
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Event dispatcher and state

I'm using an event emitter similar to Node's, with the following pseudo code: event.on('onFuncBegin',(e)=>); event.on('onFuncEnd',(e)=>); let myFunc=()=>{ event.emit('onFuncBegin',...
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What to use in case of waiting for something that is complete: delegates, events and/or thread

I try to give a concrete example. Create a semaphore for a crossroads. I have two semaphores. I have possibility to set a duration of semaphore 2 minutes, 5 minutes, 10m inutes etc. When one ...