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[nycphp-talk] Hmm, how to count 'online' users?

Steve Manes smanes at magpie.com
Thu Aug 12 16:23:34 EDT 2004


Ajai Khattri wrote:

>> Another, somewhat wackier one is to embed a 1x1 on each page, its 
>> argument being the user's authenticated login name.
> 
> And if the image is cached by the browser?

Set the http header instructing the browser not to cache it.






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