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

Qt4 Elementary OS 6 Installation – Step by step

August 31, 2021 | By the+gnu+linux+evangelist.

GNU/Linux Elementary OS 6 Installing Qt4 – Step by step Guide

How to Install Qt4 in Elementary OS 6.x LTS GNU/Linux desktop – Step by step Tutorial.

And Qt4 for Elementary OS is not any more supported from the Canonical Apt Repositories.

Finally, this guide includes detailed instructions about to Add Qt4 PPA Repository for Elementary OS 6.

Qt4 Elementary OS 6 Installation – Step-by-step
  1. 1. Accessing Shell

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

    Open Terminal
    Cmd/Win + Space Bar to Show Apps

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