There are several techniques but the most common is to leave a smidge of power on and wipe it as you touch down.

Most of the CAs left have been on it most of their careers, FOs vary between a year and a decade-ish.

It's a pretty easy airplane to fly and land honestly. At least most of the time. If you leave the autothrottle on during landing it can get pitchy as the nose hunts so most turn it off.