启动

QTimeLine starts very slowly

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Need to set the time line execution curve as linear.

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	m_time_line.reset(new QTimeLine(m_span_msecs * count, this));
	m_time_line->setFrameRange(0, count);
	m_time_line->setEasingCurve(QEasingCurve::Linear);
	// below is deprecated
	//m_time_line->setCurveShape(QTimeLine::LinearCurve);

refer to:
http://www.wjhsh.net/rickyk-p-4044875.html

vmware linux共享文件夹未启动

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sudo dnf install open-vm-tools-desktop
umount /mnt/hgfs
sudo /usr/bin/vmhgfs-fuse .host:/ /mnt/hgfs -o allow_other -o uid=1000 -o gid=1000 -o umask=022

如果还不行，比如更新内核后，就要重新安装open-vm-tools。

refer to:
https://blog.csdn.net/xcyja/article/details/117328301