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

Step by step – Qt4 Installation on Linux Mint 20

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

GNU/Linux Mint 20 Installing Qt4 – Step by step Guide

How to Install Qt4 in GNU/Linux Mint 20.x Ulyana/Ulyssa/Uma/Una LTS desktop – Step by step Tutorial.

And Qt4 for Mint 20 is not any more supported from the Canonical Apt Repositories.

Finally, this guide includes detailed instructions about to Add Qt4 PPA Repository for Linux Mint 20.

Qt4 Linux Mint 20 Installation Guide - Featured
  1. 1. Accessing Shell

    Open a Terminal window
    (Press “Enter” to Execute Commands)

    Qt4 Linux Mint 20 Installation Guide - Open Terminal Shell Emulator
    In case first see: Terminal QuickStart Guide.

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