1. 问题
cv2.error: OpenCV(4.9.0) D:\a\opencv-python\opencv-python\opencv\modules\highgui\src\window.cpp:1272: error: (-2:Unspecified error) The function is not implemented. Rebuild the library with Windows, GTK 2.x or Cocoa support. If you are on Ubuntu o…
How to read data from the keyboard? How to format data for output on the screen? How to deal with character output? 一、Input from the Keyboard
the scanf_s() function that is the safe version of scanf()
int scanf_s(const char * restrict format, ... );…