Top "Long-polling" questions

In web programming, long-polling is an emulation of pushing data, implemented by repeated polling with delayed response.

Is SQS short polling ever preferable to long polling?

Amazon SQS supports two modes of polling for available messages: short polling and long polling. With long polling, the consumer …

amazon-web-services amazon-sqs polling long-polling
How does fallback work with socket.io?

I'd like to use WebSocket with Java. Problem is, my server is separated from the client by a proxy that …

java websocket socket.io long-polling fallback
Long Polling in Angular 4

I need to do API calls to display the progress of something. I have created a service which does this …

angular typescript long-polling
Multiple AJAX requests delay each other

I have a long polling request on my page. The script on the server side is set to timeout after 20 …

jquery ajax xmlhttprequest long-polling
Simple PHP long polling chat script, too simple?

Im working on a simple chat app, probably 10 to 20 users per room. The Script that queries the database for new …

php chat long-polling
How to use SignalR on Flutter?

I am trying to communicate with an Asp.Net core 2.1 application that uses SignalR to establish its chat communications, but …

websocket flutter long-polling asp.net-core-signalr
Kafka long polling

I'm looking at kafka to implement a low-latency message queue, and I've been reading up about consumer long polling. However, …

long-polling apache-kafka
Django and Long Polling

I need to implement long polling in my application to retrieve the events. But I have no idea how to …

django comet long-polling cometd
Amazon SQS Long Polling not returning all messages

I have a requirement to read all messages in my Amazon SQS queue in 1 read and then sort it based …

java amazon-web-services queue long-polling amazon-sqs
How to make a realtime notification like facebook?

I am trying to make a realtime notification just like facebook.After learning and searching alot i m very confuse …

facebook websocket long-polling ratchet