dev.md

+## X11 in docker
+```
+xhost +local:root
+docker run --env="DISPLAY" --env="QT_X11_NO_MITSHM=1" --volume="/tmp/.X11-unix:/tmp/.X11-unix:rw" -it --name opensuse --hostname opensuse opensuse:test
+xhost -local:root
+```
+
+## debugging
+`export QT_DEBUG_PLUGINS=1` # in case of problems with qt plugin