Top "Comet" questions

How do I implement basic "Long Polling"?

I can find lots of information on how Long Polling works (For example, this, and this), but no simple examples …

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What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?

I have tried reading some articles, but I am not very clear on the concepts yet. Would someone like to …

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WebSockets protocol vs HTTP

There are many blogs and discussions about WebSocket and HTTP, and many developers and sites strongly advocate WebSockets, but I …

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How does facebook, gmail send the real time notification?

I have read some posts about this topic and the answers are comet, reverse ajax, http streaming, server push, etc. …

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Refused to set unsafe header "Origin" when using xmlHttpRequest of Google Chrome

Got this error message: Refused to set unsafe header "Origin" Using this code: function getResponse() { document.getElementById("_receivedMsgLabel").innerHTML += "getResponse() …

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Is there some way to PUSH data from web server to browser?

Of course I am aware of Ajax, but the problem with Ajax is that the browser should poll the server …

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Comet and jQuery

I've done some research into server push with javascript and have found the general consensus to be that what I'm …

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Using comet with PHP?

I was thinking of implementing real time chat using a PHP backend, but I ran across this comment on a …

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Simple comet example using php and jquery

Can anyone give me a good and simple example of the comet technique using PHP? I just need an example …

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Short-polling vs Long-polling for real time web applications?

I'm building a real-time web application As far as I know, the most popular choices are short-polling and long-polling. What …

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