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rosparams vs. command line arguments for initialization

In my understanding, nodes can get initialization arguments in two ways: rosrun or roslaunch xml files can pass command line arguments straight to the main method the node can use the ros parameter ...
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Dynamic reconfigure default parameters

I am writing a node which accepts certain parameters. I would like to be able to pass them through a launch file, as well as make them dynamically reconfigurable. What are the best practices regarding ...
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How to declare common parameter

What is recommended ways to set common parameters in ROS? In some of my nodes, I often want to use the same values for same purpose (e.g. subscribe/publish queue). Right now I'm setting parameters in <...
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