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2年10月21天

Python 安装cv2包出错

命令行输入 pip install cv2 时报错ERROR: Could not find a version that satisfies the requirement cv2 (from versions: none)ERROR: No matching distribution found for cv2原因是CV2在的软件包不叫cv2而是叫opencv-python命令换成...

几种tab切换详解

1 鼠标移入移出切换 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>tab切换