Thanks a lot!
If I instruct nginx to cache a page and if it has ssi tags, will it still
go to the back-end to retrieve?

On Tue, Mar 6, 2012 at 4:49 PM, Antonio P.P. Almeida <appa@perusio.net>wrote:

> > Bird brain me :-)
> >
> > What does this mean?
> >
> > ~SESS[[:alnum:]]+=(?<session_id>[[:graph:]]+) $session_id;
>
> It means to grab the sub-token on the right-hand side of the session token.
> Using POSIX character classes for the regex:
>
> https://en.wikipedia.org/wiki/Regular_expression#POSIX_character_classes
>
> > Also 'if' is evil inside a location. Right ?
>
> Not really. Here it's a mere return. From the famous IfIsEvil wiki page:
>
> The only 100% safe things which may be done inside
> if in location context are:
>
> return ...;
> rewrite ... last;
> --appa
>
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