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

Step-by-step – Qt4 Xubuntu 20.04 Installation

August 24, 2020 | By the+gnu+linux+evangelist.

GNU/Linux Xubuntu 20.04 Installing Qt4 – QuickStart Guide

Hi! The Tutorial shows you Step-by-Step How to Install Qt4 in Xubuntu 20.04 Focal LTS GNU/Linux Desktop.

And Qt4 for Xubuntu Focal is not any more supported from the Canonical Apt Repositories.

Finally, this guide includes detailed instructions about to Add Qt4 PPA Repository for Xubuntu 20.04.

Qt4 Xubuntu 20.04 Installation Guide - Featured
  1. 1. Accessing Shell

    Open a Terminal window
    Ctrl+Alt+t on Desktop
    (Press “Enter” to Execute Commands)

    Qt4 Xubuntu 20.04 Installation Guide - Open Terminal Shell Emulator
    In case first see: Terminal QuickStart Guide.