$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

How to Enable Trackball Scroll on Ubuntu Gnu/Linux Distro

GNU/Linux Ubuntu Trackball Scroll Setup – Step-by-step Guide

Hi! The Tutorial shows you Step-by-Step How to Manually Enable the Trackball Scroll in Ubuntu GNU/Linux Desktops.

And the Trackball Scroll on Ubuntu is here enabled with the Click Button & Move gesture.

Finally, this Setup has been successfully Tested on a Kensington “Expert Mouse 4” & “SlimBlade” Trackballs.

Ubuntu Trackball Scroll Setup Guide - Featured

GNU/Linux Ubuntu Setting up Trackball Scroll Guide