出现的问题 在使用rqt工具时,报错如图所示: [ERROR] [1627898425.729156095]: Skipped loading plugin with error: XML Document '/opt/ros/melodic/share/rqt_virtual_joy/plugin.xml' has no Root Element. This likely means t
操作系统Ubuntu18.04 问题 Couldn’t find executable named teleop_twist_keyboard below /opt/ros/melodic/share/teleop_twist_keyboard [rosrun] Found the following, but they’re either not files, 解决办法 我输错了
主要报错是 opencv\modules\highgui\src\window.cpp:651: error: (-2:Unspecified error) The function is not implemented. Rebuild the libra ry with Windows, GTK+ 2.x or Cocoa support. If you are on Ubuntu or D