Not since I had a Floyd. And even then, I eventually started putting the strings on backwards so I wouldn't have to cut the ball ends off anymore.
But unless you've got a Floyd or the vintage Fender slotted tuners I just don't see any benefit in cutting the strings first.
I think OP means before even threading them through the bridge, not before winding them on the tuning machine. Literally pre-cutting them.
I do not. I have an easy by hand measuring system to get them the right length on the different types of tuners I use, but I thread them through the bridge, measure, cut, then wind on the tuner.
Fender vintage style tuners, by the by, should have strings wound pretty low on the post for a better break angle. They won't slip if you use something like the Martin trick on the unwound strings. I see so many Strats and Teles that have strings wound too high on the posts because people don't understand this and they actually play tighter because of the shallow break angle.