Turn off .lc Web-browser Caching?

Tom Glod tom at makeshyft.com
Sun Sep 2 12:13:18 EDT 2018


right on.... glad u got it solved.

On Sun, Sep 2, 2018 at 10:02 AM Rick Harrison via use-livecode <
use-livecode at lists.runrev.com> wrote:

> Hi Tom,
>
> Unfortunately, I wanted to stay away from
> javascript because some people turn it off
> in their web-browsers for security reasons.
>
> The solution I finally used was to just rename
> the image so that it looked new to the web-browser,
> and then update the database with the new name.
> I did it using LiveCode so no javascript was required.
>
> Thanks for your suggestion anyway.
>
> Rick
>
> > On Aug 30, 2018, at 8:24 PM, Tom Glod via use-livecode <
> use-livecode at lists.runrev.com> wrote:
> >
> > try using javascript by doing "do in widget"
> >
> >
> https://www.ajaymatharu.com/how-to-prevent-image-from-caching-in-javascript/
> >
> > i bet that javascript may be your best chance at controlling the browser
> > widget in any kind of detail.  good luck let us know if you got it.
> >
> > On Thu, Aug 30, 2018 at 5:51 PM Rick Harrison via use-livecode <
> > use-livecode at lists.runrev.com> wrote:
> >
> >> Hi there,
> >>
> >> I know this has come up before but
> >> looking through the old archives didn’t
> >> seem to turn up a working answer.
> >>
> >> Is there a good way to prevent a web-browser
> >> from re-displaying an image in it’s cache?
> >>
> >> I tried using a random number after the .lc URL
> >> such as:
> >>
> >> http://www.mysite.com/destination.lc?r=39923959 <
> >> http://www.mysite.com/destination.lc?r=39923959>
> >>
> >> I have also tried:
> >>
> >> put "<meta http-equiv='Cache-Control' content='no-cache' />"
> >> put "<meta http-equiv='Pragma' content='no-cache' />"
> >> put "<meta http-equiv='Expires' content='-1' />”
> >>
> >> and that doesn’t seem to work either.
> >>
> >> Did anyone ever come up with a good solution?
> >>
> >> Thanks,
> >>
> >> Rick
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