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Awk script for changing Ubuntu network interfaces – added DNS feature

At last, I have added the DNS feature for the network interfaces awk script. This feature is only used with static network settings.

Assume we have the following settings in the interfaces file:
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Styling Qt QTreeView with CSS

Qt offers additional CSS settings such as sub-control and pseudo-states. Although there are reference and brief tutorial with examples, it doesn’t really show how this settings affect the overall look. In this article, we explore how to style the QTreeView via CSS in step by step. First of all, we use a simple treeview directory program (Python/Qt5 ) from this example and style it gradually.
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