Implementing a live voting system

Posted by Will Eddins on Stack Overflow See other posts from Stack Overflow or by Will Eddins
Published on 2011-01-07T02:47:49Z Indexed on 2011/01/07 2:54 UTC
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I'm looking at implementing a live voting system on my website. The website provides a live stream, and I'd like to be able to prompt viewers to select an answer during a vote initiated by the caster. I can understand how to store the data in a mySQL database, and how to process the answers. However:

How would I initially start the vote on the client-side and display it? Should a script be running every few seconds on the page, checking another page to see if a question is available for the user?

Are there any existing examples of a real-time polling system such as what I'm looking at implementing?

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