Ask about the usage of the tilde '~'sign
Ask about the usage of the tilde '~'sign
what's the difference between :
pub = rospy.Publisher('~cmd_vel', Twist, queue_size=5)
and:
pub = rospy.Publisher('cmd_vel', Twist, queue_size=5)
By the way, what's the queue_size
in the bracket mean?
Thank you!!