expires_in is just a small use case of HTTP Cache mechanisms.
The plugin supports :etag and :last_modified_at options
besides :expires_in.
In those cases, you can also send a Proc or an Array, allowing better
and dynamic cache validation/expiration.
Second, if I want to cache several pages, it's
>
> I finally decided to insert some HTTP Cache in my app (besides Rails
> default e-tag) and found one nice plugin:
>
> http://josevalim.blogspot.com/2008/06/easy-http-cache.html
>
>
> It gives me all tools to manipulate cache headers just declaring it in
> my Controller.
Just curious but what
