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Articles by Kai Uwe Broulik
Qt WebEngine Custom Server Certificates
One of our clients is building an application with a web-based front-end. In order to provide a clean, controlled environment where no browser extensions or user settings interfere, it is viewed in a dedicated browser built with Qt WebEngine. The corresponding web server uses a self-signed TLS certificate. That’s fair for the environment where the application is deployed in. However, this also means that the certificate and its issuing CA must be added to the system’s trust store.
basysKom GmbH | Pitfalls in PySide6
Last time I have shown you the basics of PySide6 and what you can do with it. My colleague Berthold further demonstrated the use of Matplotlib to visualize data. It’s one of the the key selling points for using Python in your project. As with most things in life, where there is light, there is darkness. Let’s have a look at some of the pitfalls to look out for, particularly when piping lots of data through a PySide6 application.
KIO Goodies - Kai Uwe's Blog
KIO (KDE Input/Output) is what allows KDE applications to transparently and asynchronously access files, both local and over the network. It also provides many of the user interfaces for manipulating files, such as the Places panel, Open/Save dialog, folder properties, new file menu, and many more. The other day I went through some of its dialogs and gave them a slight overhaul. When clicking an executable file, it confirms whether to really run it.
Be Free to Have Multiple Clocks
Back in ye olde days there was a running gag that Plasma was all about clocks. With its then-new widget system you could add as many as you wanted, after all. Plasma included not only an analog and a digital clock, there was a binary clock, too, and my all-time favorite fuzzy clock that shows the current time in a colloquial textual way, such as “Quarter to seven”.
PySide6, Qt for Python
Interested in Qt for Python? Let me tell you what I learned during the past couple of months using it. I’ve had the opportunity to work on a project based on PySide6, the official Python bindings for Qt 6. I’ve always wanted to get more familiar with Python, so combining that with Qt, something I’m deeply familiar with, was the perfect chance to do so. Setting up PySide6 is easy, just create a new virtual environment, activate it, and then install pyside6 through pip.
Linux App Summit Goes Online in November
Once again, KDE and GNOME are teaming up to bring you THE conference for people interested in establishing Linux as a great end-user platform. At the Linux App Summit we work on making app creation for users easy and worthwhile. Since travel is complicated nowadays, we decided to make LAS 2020 a virtual conference. The event will open Thursday, 12th November and we'll wrap up on Saturday, 14th November.
KDE at Augsburger Linux-Tag
Kai Uwe Broulik reports from open source conference Augsburger Linux-Tag which happened in Bavaria last weekend. On Saturday, 16 April I had the honor of representing KDE at the 15. Augsburger Linux-Tag, one of the oldest and largest Linux gatherings in southern Germany. It was my first time attending such an event and it was a great experience. With me I had a computer running the latest and greatest KDE neon with Plasma 5.6 – hooked up to a gorgeous 4K monitor.
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