Originally Posted by felgall
The simplest way to do that if you have access to a server side language is to simply add a header to tell the browser not to cache the file.
Okay, some follow up questions...
1.) How reliable is that?
2.) Will it work equally well in any Server-side Language (e.g. .Net, PHP, etc.)?
3.) Will it work equally well across Browsers (e.g. Internet Explorer, FireFox, Chrome, etc.)?