It's an excellent question and one that isn't discussed enough. The answer is yes, I practice one hand slide manipulation.
I upgraded my rear sight to this for just that purpose:
The ledge on the 10-8 rear sight makes it easy to rack one handed. You can also use the ejection port.
Just place that surface, sight or ejection port, on the edge of your holster, the heel of your shoe, the edge of a table, the corner of a wall, and push. It's easy, but it can take some practice.
For a lefty, using the ejection port is easy. For a right hander you need to twist the gun around. This is challenging, but can be done.