How is it some websites can detect screenshots? At least by pressing the alt + print screen button on keyboard.

@MichaelFrank pugetsystems.com/labs/articles/…

@Adám Done.

@DavidPostill Thanks a bunch. We're low on mods, so I always have to go hunting :-)

@Adám Can't room owners do this kind of access change?

@DavidPostill For invite-only rooms yes, but not for low-rep users in open rooms. I think they should be allowed to do so, though.

@Adám Ah