Learn how to backup Postgres database on Linux, using cronjobs. Very simple and very straight forward guide step by step using only scripts.

Verify if point of coordinates (longitude, latitude) is polygon of coordinates. Polygon contains arrays of points.

Generate SSH key and add it to the ssh-agent. Simple guide to handle ssh keys on your own computer and use the key with ssh-agent.

The work environment is your second home, or maybe even better is your first home. If you have a 9-5 job, probably you spend most of your day time inside your work environment.

Working with legacy code is the hardest part of the entire career of any developer. I think there is no developer who did not face some.