On 23 July 2010 10:52, Tom Mac <li...@ruby-forum.com> wrote:

> I have a of line code like
> <%= stylesheet_link_tag "styles",:cache => "cache/styles" %>
>
>    And it produces source as
>
> <link href="/stylesheets/styles.css?1279620123" media="screen"
> rel="stylesheet" type="text/css" />
>
>    config.action_controller.perform_caching = true
>
> My concern is what is 1279620123 after question mark(?) above. If such a
> random number always appended,  whether caching in browser happens or
> not?Please give me a good idea
>

It's the timestamp when the file was last changed (or the last file if you
list multiple stylesheets in stylesheet_link_tag).

That way browsers can cache it long term and it will automatically change if
you change one of the files during a new deployment.

Cheers,


Andy

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