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

How to Install Qt Creator on Gnu/Linux Distros

GNU/Linux Installing Qt Creator Guide

Hi! The Tutorial shows you Step-by-Step How to Download and Install Qt Creator and Qt SDK Open Source on GNU/Linux Desktop.

By the Way you will Get Installed at Once All the latest Qt for Linux Features including also the Qt Creator and Qt Design Studio.

Especially relevant: with the Current Qt Installer you can choose to Setup for both Qt 5 and Qt 6 App Development.

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GNU/Linux Qt Creator IDE Installation Guide