Capture the standard out for debugging or for wrappers

Logging into the journald is just pipeing your echoed message to systemd-cat

Use functions where you have the name as a string and create variables where you also only have the name as a string

If one wants to calculate in vim one simply has to write the following line:

2 pi mult

and visually select it with V then pass it to rpnl or calc or bc or so via xargs

:!xargs rpnl

to get the result in the line.

This trick also works …

Why to use Python 3 and how to convert your code

Blog mit Python Pelican und Git deployment

Ctrl+[; Space; Enter; Ctrl+]

curly braces

How to fit curves to data in Python