Not a European expert by any means, but I've found that when you pay with CC there usually isn't a place to leave a tip. Tipping is done with spare change left

Not a European expert by any means, but I've found that when you pay with CC there usually isn't a place to leave a tip. Tipping is done with spare change left on the table. Also, I thought tipping itself isn't necessary, as many european countries have social programs to offset low wages.