Developing information systems, we often meet the need to process data of various volumes. However, the stored data alone rarely can provide the necessary information to the user, especially not possessing special knowledge in the field of information technology. For the best perception, the data must be interpreted in a convenient form. The most suitable forms for this are various reports, as well as, of course, visualization - graphs, charts, maps and infographics that Tabelau allows.

In our February newsletter, as always, you will find a lot of information about Qt technology. Additionally, you will read about a worthy replacement for Google Authenticator and learn how to turn synthetic materials into... 3D printer one. Finally, we will present a 10-second and extremely accurate test on COVID-19.