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2018-07-17 17:23:35 -0500	commented answer	How can I access NodeHandle w/ Nodelets? Yeah that's how C++ works, all variables must be initialized in the constructor. So you can either make it not be a refe
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2018-07-17 17:20:52 -0500	commented answer	How can I access NodeHandle w/ Nodelets? Yeah that's how C++ works, all variables must be initialized in the constructor. So you can either make it not be a refe
2018-07-17 17:06:48 -0500	commented answer	rospy ColorRGBA array messages changing all vectors That's right. If you want to append 221 copies instead, import the copy module import copy And copy the message msg
2018-07-17 17:04:01 -0500	answered a question	how to record published images from USB camera to mp4/avi format Checkout the image_view/video_recorder node.
2018-07-17 17:03:24 -0500	answered a question	reference example for cmd_vel command subscriber Looks like you're trying to make a gazebo plugin which subscribes to a ROS topic. This plugin does something similar and
2018-07-17 17:03:24 -0500	answered a question	How can I access NodeHandle w/ Nodelets? ros::NodeHandle& private_nh = getPrivateNodeHandle(); ros::NodeHandle& nh = getNodeHandle(); There are just lo