Writing everything in one line is a bad practice. It's just bragging about its tricky hardcore solution. It's too bad that many people called this solution "best practice" and "clever". This is a bad practice. And the solution is not smart, but abstruse and overcomplicated.

The solution from fortlasagna is much better. He generally does the same thing. But his code is much better structured and much better readable. Here he really shows the best practice.