Internet browser keep loading old swf files?

Question

Hi, i have an swf file, uploaded in server. But whenever I make changes to the files, uploaded and replace the old one, I go to browser, clear cache and everything, refresh the page, but it still load the old swf file. (Do you know what I mean?)

But after 10 - 20 hours, I visited the page again, it loaded the new one.

Is there anyway to load the new swf without having to wait for 10 - 20 hours?

(my last option is renaming the swf, which works immediately. But for some reason, renaming is my very last option, I would like to know if there are anything I can do before I rename the file.)

Here are the list of what I tried to do to load new swf:

1. Clear browser cache

2. Clear dns cache (ipconfig /flushdns)

3. Include header in html meta pragma no-cache (forgot the formula, cuz i copied from internet)

4. Rename the swf (which works immediately)

Answer 1

See http://forums.adobe.com/thread/26247

Answer 2

Looks like you need to add some extra stuff to the URL that points to the SWF. Write a function like this (PHP)...

<?php

    function swfURL($url2swf){
        return $url2swf . "?random_number=" . rand(1,9999);
    }

?>

Or do something similar with javascript. The random number on the end of the url will be ignored, but it will make whatever is caching the result think it's loading something new.