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2023-07-12 21:17:35 -0500 commented answer What is ConstPtr&?

@romain, also, go through the many comments above this. I think you'll find a lot of hidden insights.

2023-07-12 21:16:40 -0500 commented answer What is ConstPtr&?

@romain, these aren't regular C-style raw pointers. They are smart pointers. Read about them here: https://learn.microso

2023-07-12 21:16:11 -0500 commented answer What is ConstPtr&?

@romain, these aren't regular C-style raw pointers. They are smart pointers. Read about them here: https://learn.microso

2022-07-05 14:35:31 -0500 received badge  Necromancer (source)
2022-07-04 19:24:51 -0500 edited answer ros_readbagfile: command not found

I am the author of this ROS wiki article: Reading messages from a bag file I'm also the author of the ros_readbag.py Py

2022-07-04 19:23:35 -0500 edited answer ros_readbagfile: command not found

I am the author of this ROS wiki article: Reading messages from a bag file I'm also the author of the ros_readbag.py Py

2022-07-04 19:03:58 -0500 commented question ros_readbagfile: command not found

@Ruturaj, does this fix it for you? See my new answer: https://answers.ros.org/question/371583/ros_readbagfile-command-n

2022-07-04 19:02:29 -0500 edited answer ros_readbagfile: command not found

I am the author of this ROS wiki article: Reading messages from a bag file I'm also the author of the ros_readbag.py Py

2022-07-04 19:00:23 -0500 answered a question ros_readbagfile: command not found

I am the author of this ROS wiki article: Reading messages from a bag file I'm also the author of the ros_readbag.py Py

2022-04-01 00:29:56 -0500 received badge  Nice Answer (source)
2021-09-29 14:31:56 -0500 commented answer "No module named rosbag" error

@gvdhoorn, yeah: shebang = sha-bang = hashbang = pound-bang = hash-pling, as you found out in the wikipedia article: htt

2021-09-29 14:31:43 -0500 commented answer "No module named rosbag" error

@gvdhoorn, yeah: shebang = sha-bang = hashbang = pound-bang = hash-pling, as you found out in the wikipedia article: htt

2021-09-29 12:34:40 -0500 commented answer "No module named rosbag" error

@gvdhoorn, done. I added the fundamental parts of the answer.

2021-09-29 12:30:30 -0500 edited answer "No module named rosbag" error

I'm having this problem come up a lot for people using my ros_readbagfile program, while following my ROS tutorial here:

2021-09-29 12:29:59 -0500 edited answer "No module named rosbag" error

I'm having this problem come up a lot for people using my ros_readbagfile program, while following my ROS tutorial here:

2021-09-29 12:29:16 -0500 edited answer "No module named rosbag" error

I'm having this problem come up a lot for people using my ros_readbagfile program, while following my ROS tutorial here:

2021-09-28 16:56:57 -0500 answered a question "No module named rosbag" error

I'm having this problem come up a lot for people using my ros_readbagfile program, while following my ROS tutorial here:

2021-09-21 13:37:18 -0500 commented answer How can i read messages from a ROSbag file ?

@Stephen Montgomery-Smith, see my latest version of the code here: https://github.com/ElectricRCAircraftGuy/eRCaGuy_dotf

2021-09-21 13:36:31 -0500 commented answer How can i read messages from a ROSbag file ?

@Stephen Montgomery-Smith, see my latest version of the code here: https://github.com/ElectricRCAircraftGuy/eRCaGuy_dotf

2021-08-27 19:14:02 -0500 commented question ros_readbagfile: command not found

Did you figure it out? I wrote ros_readbagfile and that tutorial.

2021-08-25 15:27:01 -0500 edited answer Install of the rospy/rosbag python libraries standalone not on Ubuntu

According to this source: https://stackoverflow.com/a/64310922/4561887 This seems to work now to allow using import ros

2021-08-25 15:26:33 -0500 answered a question Install of the rospy/rosbag python libraries standalone not on Ubuntu

According to this source: https://stackoverflow.com/a/64310922/4561887 This seems to work now: # python2 pip install b

2021-04-12 01:28:12 -0500 commented answer What is ConstPtr&?

@ahendrix, I don't see the answer yet, but here's a question I asked to try to start to find out: https://stackoverflow.

2021-02-19 17:57:02 -0500 edited answer Default values inside a message or srv definition

I just confirmed through experimentation that adding an = sign after any variable name in a ROS *.msg message definition

2021-02-19 17:54:36 -0500 answered a question Default values inside a message or srv definition

I just confirmed through experimentation that adding an = sign after any variable name in a ROS *.msg message definition

2021-01-13 20:31:59 -0500 commented answer What is ConstPtr&?

...instead of a COPY OF the smart pointer to further reduce how much you copy from 32 bytes to 8 bytes! The smart point

2021-01-13 20:31:47 -0500 commented answer What is ConstPtr&?

@skpro19, you are clearly grasping parts of what's going on, but not the whole picture yet. Here's a hypothetical exampl

2021-01-13 20:31:27 -0500 commented answer What is ConstPtr&?

...instead of a copy OF the smart pointer to further reduce how much you copy from 32 bytes to 8 bytes! The smart point

2021-01-13 20:30:45 -0500 commented answer What is ConstPtr&?

...instead of a copy OF the smart pointer to further reduce how much you copy from 32 bytes to 8 bytes! The smart point

2021-01-13 20:30:37 -0500 commented answer What is ConstPtr&?

@skpro19, you are clearly grasping parts of what's going on, but not the whole picture yet. Here's a hypothetical exampl

2021-01-13 20:30:20 -0500 commented answer What is ConstPtr&?

@skpro19, you are clearly grasping parts of what's going on, but not the whole picture yet. Here's a hypothetical exampl

2021-01-13 20:30:15 -0500 commented answer What is ConstPtr&?

@skpro19, you are clearly grasping parts of what's going on, but not the whole picture yet. Here's a hypothetical exampl

2021-01-13 20:29:03 -0500 commented answer What is ConstPtr&?

@skpro19, you are clearly grasping parts of what's going on, but not the whole picture yet. Here's a hypothetical exampl

2021-01-13 20:28:20 -0500 commented answer What is ConstPtr&?

@skpro19, you are clearly grasping parts of what's going on, but not the whole picture yet. Here's a hypothetical exampl

2021-01-13 20:28:03 -0500 commented answer What is ConstPtr&?

@skpro19, you are clearly grasping parts of what's going on, but not the whole picture yet. Here's a hypothetical exampl

2021-01-13 20:27:30 -0500 commented answer What is ConstPtr&?

...instead of a copy of the smart pointer to further reduce how much you copy from 32 bytes to 8 bytes! The smart point

2021-01-13 20:25:44 -0500 commented answer What is ConstPtr&?

@skpro19, you are clearly grasping parts of what's going on, but not the whole picture yet. Here's a hypothetical exampl

2020-12-20 14:24:43 -0500 commented answer What is ConstPtr&?

Why are we assuming that the msg variable used in the original question will always take the same value? @skpro19,

2020-12-20 14:18:37 -0500 commented answer What is ConstPtr&?

Why are we assuming that the msg variable used in the original question will always take the same value? @skpro19,

2020-12-20 14:16:44 -0500 commented answer What is ConstPtr&?

Why are we assuming that the msg variable used in the original question will always take the same value? @skpro19,

2020-12-20 14:09:35 -0500 commented answer What is ConstPtr&?

Why are we assuming that the msg variable used in the original question will always take the same value? @skpro19,

2020-12-20 14:08:19 -0500 commented answer What is ConstPtr&?

Why are we assuming that the msg variable used in the original question will always take the same value? @skpro19,

2020-12-20 14:07:36 -0500 commented answer What is ConstPtr&?

Why are we assuming that the msg variable used in the original question will always take the same value? @skpro19,

2020-12-20 13:56:57 -0500 commented answer What is ConstPtr&?

Hi @jorgemia, your code looks correctly written, but there's no advantage to passing a reference of a raw pointer. There

2020-12-20 13:56:43 -0500 commented answer What is ConstPtr&?

Hi @jorgemia, your code looks correctly written, but there's no advantage to passing a reference of a raw pointer. There

2020-12-20 13:55:45 -0500 commented answer What is ConstPtr&?

Why are we assuming that the msg variable used in the original question will always take the same value? @skpro19,

2020-12-20 13:54:30 -0500 commented answer What is ConstPtr&?

Hi @jorgemia, your code looks correctly written, but there's no advantage to passing a reference of a raw pointer. There

2020-12-20 13:53:38 -0500 commented answer What is ConstPtr&?

Hi @jorgemia, your code looks correctly written, but there's no advantage to passing a reference of a raw pointer. There

2020-12-07 18:40:32 -0500 received badge  Necromancer (source)
2020-12-03 13:59:01 -0500 commented answer What is ConstPtr&?

@jorgemina, here are 3 things you need to go spend 1 to 5 whole days or so studying: 1) C/C++ pointers (sometimes called