16 Jan 2010 03:01
Re: MSEide+MSEgui rev. 2.2 for FPC 2.4
IvankoB wrote: > He-he, AFAIK, AJAX intensively uses client2server polling to know if now > is the time for an event to "occur" :) In fact this is an Ajax enhancement often called "Comet" ( http://en.wikipedia.org/wiki/Comet_%28programming%29 ) > Such approach may simulate any > kind of event although with noticeable delays ( and fully unworkable on > slow channels ). > The trick is that the server "hangs" the polling request (for a time shorter than the TCP/IP timeout) and so can immediately send the packet when an Event occurs. -Michael
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