Notepad++ show line numbers
It’s a little hidden imo, so future-me or for your service – the setting to show the line numbers.

For a container class with a dictionary with config values (among other members) I wanted easy reading access as if it was a dict itself. For that you only have to implement the __getitem__ method. You can extend the provided dict functionality for your class if needed like the following: All but the update method…
Generally speaking this is how I learned to cache a JSON object in a Node-RED flow with the Change node by setting a flow based variable. Specifically this handles a problem with HomeAssistants light card backed by a MQTT light (defined in the configuration.yaml) only emitting partial values of the light setting when updating. New…
As most of the time – there are multiple valid ways of doing it. Keeping the order I prefer easy and readable, if it is not crucial for performance to go another way.Create a new list and add only values to it that are not already included. You can do this with a simple list…
Not everything is like shorts for computer science students – some other things only make sense in certain months. Like my webscrapers for the current water temperature of the outside pool or the warning system for below 0°C degress. To hide them in the HomeAssistant UI I created a helper that is filled with the…
This is a step by step reminder how to get your Python scripts run automatically on your Raspberry. We will be creating a cron job that is run once when booting. (This should be possible like this or pretty similar on every Linux distribution where Cron is available and is not limited to Python scripts…
After expermienting alot with my MQTT server it was pretty polluted with sustained messages and I wanted to get rid of them. The fastest way I got this reliably to work was by deleting the persistence file while the MQTT server was offline. You could delete all or specific topics with a script, too, but…