Sunday, February 6, 2022 •
If you want to create a screenshot with Java, you usually use the robot class java.awt.Robot. This works fine most of the time and is platform independent (as it should be). However, running Java under Wayland, which is the standard compositor for desktop environments such as GNOME, the produced screenshot is just black. No error or anything.
Sunday, January 9, 2022 •
When developing a eclipse plugin, you might at some time run into dependency problems or wiring problems. This happened for me e.g. with eclipse-pmd-plugin, see #129 Couldn’t find logback. PMD logging is not available.
Sunday, December 19, 2021 •
After the last update of gnome I’ve heard some stuttering or distortions when playing audio, e.g. youtube videos. It seems, that there is some buffer underflow of audio data while transfering it to the audio hardware. And the audio hardware doesn’t get a continous stream of data and thus needs to do little pauses when playing back audio which is very annoying.
Sunday, November 7, 2021 •
Gitpod.io provides a online IDE development environment, that you can connect to your github account (or gitlab or bitbucket). You get also a command line. But signing commits is a bit more tricky.
Sunday, October 3, 2021 •
From time to time, a software upgrade is is needed. A upgrade - in contrast to an update - is a more invasive way to install a new version: Everything is deleted and installed from ground up. This is required e.g. when you want to upgrade from LineageOS 17 to LineageOS 18, like I recently did for a Fairphone 2 phone.
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