They forgot the most important one IMO: document the intended duration and schedule of your cron in a comment above. Most people can't decipher the cron syntax by heart or without making a mistake, and among those most people, there is probably you when you are tired.
Of course, there is always crontab guru (E.G: https://crontab.guru/#*/12_*_*_\*), but still, it's easier to find out with a comment next to it. Besides, it documents the intent, which may shows that there is a mismatch with the reality.
Of course, there is always crontab guru (E.G: https://crontab.guru/#*/12_*_*_\*), but still, it's easier to find out with a comment next to it. Besides, it documents the intent, which may shows that there is a mismatch with the reality.