2018-11-11 10:48:34 -0600 | commented question | Core.subtract doesn't work under linux It didnt show any error message. But I use addweight instead, and the problem is solved. Maybe somehow there is a proble |
2018-11-11 09:46:27 -0600 | asked a question | Core.subtract doesn't work under linux Core.subtract doesn't work under linux Core.subtract works well under window 10. But Core.subtract doesn't work well und |