Best way to burst static file cache

[tcbarrett]

kaspars Wrote:
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> Well, if you set cache to expire 30 years from now
> the browser should honor that, that is if no
> Last-Modified is set.

I have it set to 30m (30 minutes, right?). If I update, for example,
some css files and then a do a hard refresh on a) a Mac then I get the
new css or b) Windows 7 then I keep getting the cached css files.

Is there any technique to burst this caching. It might not be a 'pure
nginx' solution, but anything that could be supported by an nginx config
setting?

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,215835,216179#msg-216179