Um, tape it, use a chop saw with an abrasive wheel, unwrap and TWIST the outer fitting on. The chop saw helps make a straight cut, it's fast, and safer than a dremel or die grinder. Just hold the hose with your hand. Don't clamp it. If the backstop doesn't go right to the edge of the blade, use a piece of steel to extend the backstop so the hose doesn't flex.
The biggest boogers I have found to be the small, -3,-4, teflon lines. Once you master those, the big neoprene lines are cake.
Most of use who have make up hoses have developed the "best way" to cut braided lines. Check out this web site for how to do it. It dittos most of what has been suggested, but with pictures. Confucius was right about a picture and 1,000 words.