130s's profile - overview

● Critic   × 2

• Can z value in quaternion get negative?
• Can z value in quaternion get negative?

● Guru   × 8

• roscd and roslaunch problem
• Upload packages to respositories
• error when build catkin package
• sudo apt install catkin not working.
• rqt loading with requested perspective
• Accepting answers to someone else's questions [meta]
• What is the purpose of base_footprint?
• How do I intercept rqt plugin mouse events?

● Great Answer   × 18

• roscd and roslaunch problem
• roscd and roslaunch problem
• Upload packages to respositories
• Upload packages to respositories
• error when build catkin package
• error when build catkin package
• sudo apt install catkin not working.
• sudo apt install catkin not working.
• Best way to check if ROS is running
• Best way to check if ROS is running
• rqt loading with requested perspective
• rqt loading with requested perspective
• Accepting answers to someone else's questions [meta]
• Accepting answers to someone else's questions [meta]
• What is the purpose of base_footprint?
• What is the purpose of base_footprint?
• How do I intercept rqt plugin mouse events?
• How do I intercept rqt plugin mouse events?

● Organizer   × 2

• Unknown CMake command "rospack"
• Unknown CMake command "rospack"

● Commentator   × 1

• gdb says "program is not being run" upon gazebo

● Citizen Patrol   × 2

• Auto Insurance
• Auto Insurance

● Scholar   × 2

• Installing "Restricted" drivers for turtlebot
• Installing "Restricted" drivers for turtlebot

● Supporter   × 2

• How can I zoom in rxgraph??
• How can I zoom in rxgraph??

● Rapid Responder   × 33

• Building OpenCV from source for ROS
• Rostest succeeds test if a node crashes
• rosbridge install problem
• "QXcbConnection: XCB error: 170" with panda_moveit_config demo.launch
• Why are there turtles everywhere in ROS land?
• Error when invoking rosdep
• roslibjs.getParam returns "Service /rosapi/get_param_names does not exist"
• ros run couldn't find executable file after catkin build and source
• How to use a PyPI dependency?
• is theconstructsim real or a scam
• Is this a module, script, package?
• Networking with raspberry pi, silent topic [closed]
• How do I tell colcon to tell cmake to tell make --jobs?
• launch different nodes based on user choice
• Why we need to source package in order to use rosservice
• Python2 and Python3 interoperability
• Rostopic delay command
• ROS libraries in C++ Program
• FileNotFoundError: [Errno 2] No such file or directory: 'make'
• roslaunch command producing RLException
• rqt Plugin Tutorial Not Working
• Pytest in ros2
• rqt_reconfigure widget
• Find and clone all package dependencies before source build
• Is launch file asynchronous or synchronous
• Not getting autocomplete
• using apt installed library in cmakelists
• How to concatinate LaunchConfiguration's default value with String in ros-humble python launch file?
• Import ros2 source package with version info
• What is the purpose of ros2/variants?
• How to get a description of a message
• Complete Dockerfile ros2-humble-desktop
• Is there a tool for scanning a workspace and checking if dependencies are correctly declared?

● Editor   × 2

• Error while successful "sudo apt-get install ros-diamondback-desktop-full"
• Error while successful "sudo apt-get install ros-diamondback-desktop-full"

● Nice Question   × 62

• How to declare common parameter
• How to declare common parameter
• terminate & launch other node from code
• terminate & launch other node from code
• How to avoid hardcoding package name in python?
• How to avoid hardcoding package name in python?
• Why navfn is using Dijkstra?
• Why navfn is using Dijkstra?
• Better msg implementation for random, complicated shape in 2D
• Better msg implementation for random, complicated shape in 2D
• How to change Python Qt binding?
• How to change Python Qt binding?
• Document about relationship b/w GUI components
• Document about relationship b/w GUI components
• How to reconfigure dynamically the parameters that aren't latched to particular nodes?
• How to reconfigure dynamically the parameters that aren't latched to particular nodes?
• Rule/practice for the location of storing config files
• Rule/practice for the location of storing config files
• Where to find existing "track" in release repository?
• Where to find existing "track" in release repository?
• Some e-mails not delivered to ros-users?
• Some e-mails not delivered to ros-users?
• catkin_make started failing to generate .h from .msg
• catkin_make started failing to generate .h from .msg
• What does ROS distro "freeze" require?
• What does ROS distro "freeze" require?
• Linking error when catkin_make actionlib tutorial
• Linking error when catkin_make actionlib tutorial
• Best way to get the relevant log file from ~/.ros/log
• Best way to get the relevant log file from ~/.ros/log
• Releasing RobotWebTools as .deb?
• Releasing RobotWebTools as .deb?
• generate_messages fails with ros_comm
• generate_messages fails with ros_comm
• Gazebo version collides between Indigo and Jade
• Gazebo version collides between Indigo and Jade
• What for catkin needs to link to librt (realtime extension)?
• What for catkin needs to link to librt (realtime extension)?
• With ueye_cam, no image published, rqt_image_view crashes
• With ueye_cam, no image published, rqt_image_view crashes
• Different cmd_vel msgs to multiple robots on Gazebo
• Different cmd_vel msgs to multiple robots on Gazebo
• [jade] eigen3 not found build error
• [jade] eigen3 not found build error
• Turtlebot never moves during "Sending goal" with frontier_exploration
• Turtlebot never moves during "Sending goal" with frontier_exploration
• No executables generated by building unit test cpp with catkin
• No executables generated by building unit test cpp with catkin
• Install rosdep definition locally in a package
• Install rosdep definition locally in a package
• Can z value in quaternion get negative?
• Can z value in quaternion get negative?
• rospy.sleep doesn't get awaken
• rospy.sleep doesn't get awaken
• How versioned build_depend works?
• How versioned build_depend works?
• image_transport/compressed_sub does not exist in android tutorial
• image_transport/compressed_sub does not exist in android tutorial
• map_saver doesn't return from "Waiting for the map"
• map_saver doesn't return from "Waiting for the map"
• Port to connect to rostest rosmaster after Indigo
• Port to connect to rostest rosmaster after Indigo

● Civic Duty   × 2

• "sudo rosmake" permission denied problem
• "sudo rosmake" permission denied problem

● Great Question   × 10

• Why navfn is using Dijkstra?
• Why navfn is using Dijkstra?
• Rule/practice for the location of storing config files
• Rule/practice for the location of storing config files
• What for catkin needs to link to librt (realtime extension)?
• What for catkin needs to link to librt (realtime extension)?
• catkin_make started failing to generate .h from .msg
• catkin_make started failing to generate .h from .msg
• How to avoid hardcoding package name in python?
• How to avoid hardcoding package name in python?

● Good Question   × 24

• Why navfn is using Dijkstra?
• Why navfn is using Dijkstra?
• How to change Python Qt binding?
• How to change Python Qt binding?
• Rule/practice for the location of storing config files
• Rule/practice for the location of storing config files
• terminate & launch other node from code
• terminate & launch other node from code
• Gazebo version collides between Indigo and Jade
• Gazebo version collides between Indigo and Jade
• What for catkin needs to link to librt (realtime extension)?
• What for catkin needs to link to librt (realtime extension)?
• generate_messages fails with ros_comm
• generate_messages fails with ros_comm
• Different cmd_vel msgs to multiple robots on Gazebo
• Different cmd_vel msgs to multiple robots on Gazebo
• catkin_make started failing to generate .h from .msg
• catkin_make started failing to generate .h from .msg
• Best way to get the relevant log file from ~/.ros/log
• Best way to get the relevant log file from ~/.ros/log
• How to reconfigure dynamically the parameters that aren't latched to particular nodes?
• How to reconfigure dynamically the parameters that aren't latched to particular nodes?
• How to avoid hardcoding package name in python?
• How to avoid hardcoding package name in python?

● Student   × 2

• Conversion table b/w older & newer ROS
• Conversion table b/w older & newer ROS

● Good Answer   × 66

• Is there a ros package that can provide GUI for other ros nodes?
• Is there a ros package that can provide GUI for other ros nodes?
• rospack depends geometry_msgs vs rosmsg packages Header
• rospack depends geometry_msgs vs rosmsg packages Header
• roscd and roslaunch problem
• roscd and roslaunch problem
• Upload packages to respositories
• Upload packages to respositories
• How do I intercept rqt plugin mouse events?
• How do I intercept rqt plugin mouse events?
• No module named srv
• No module named srv
• What is the purpose of base_footprint?
• What is the purpose of base_footprint?
• leading slash in namespace
• leading slash in namespace
• What should pwd be replaced with?
• What should pwd be replaced with?
• Geo-Referenced Mapping interface for ROS/RVIZ
• Geo-Referenced Mapping interface for ROS/RVIZ
• Failed to load plugin libgazebo_ros_control.so
• Failed to load plugin libgazebo_ros_control.so
• error when build catkin package
• error when build catkin package
• rqt_graph font too large
• rqt_graph font too large
• USARSim and ROS integration
• USARSim and ROS integration
• Best way to check if ROS is running
• Best way to check if ROS is running
• willow garage world - 2d map
• willow garage world - 2d map
• debug ros node python
• debug ros node python
• sudo apt install catkin not working.
• sudo apt install catkin not working.
• RQT Reconfigure - no plugin found
• RQT Reconfigure - no plugin found
• Could not find configuration package "camera_info_manager" upon build
• Could not find configuration package "camera_info_manager" upon build
• custom rqt gui
• custom rqt gui
• Accepting answers to someone else's questions [meta]
• Accepting answers to someone else's questions [meta]
• Oddity in rxplot
• Oddity in rxplot
• rqt loading with requested perspective
• rqt loading with requested perspective
• Tool for introspection of launch files
• Tool for introspection of launch files
• RQT command does not display plugins after clean install
• RQT command does not display plugins after clean install
• catkin run_tests with stdout output of rostest
• catkin run_tests with stdout output of rostest
• Can the log level of a (python) ROS node be changed dynamically?
• Can the log level of a (python) ROS node be changed dynamically?
• Use roswtf in continuous integration
• Use roswtf in continuous integration
• what does the"rpy" in URDF file means?
• what does the"rpy" in URDF file means?
• When should I use topics vs services vs actionlib actions (vs dynamic_reconfigure)?
• When should I use topics vs services vs actionlib actions (vs dynamic_reconfigure)?
• How to take save a snapshot from my kinect to disk?
• How to take save a snapshot from my kinect to disk?
• rqt saving configuration
• rqt saving configuration

● Favorite Question   × 6

• Why navfn is using Dijkstra?
• Why navfn is using Dijkstra?
• Gazebo version collides between Indigo and Jade
• Gazebo version collides between Indigo and Jade
• 2021 Metrics missing?
• 2021 Metrics missing?

● Stellar Question   × 2

• Why navfn is using Dijkstra?
• Why navfn is using Dijkstra?

● Popular Question   × 388

• gdb says "program is not being run" upon gazebo
• gdb says "program is not being run" upon gazebo
• terminate & launch other node from code
• terminate & launch other node from code
• How to avoid hardcoding package name in python?
• How to avoid hardcoding package name in python?
• Different cmd_vel msgs to multiple robots on Gazebo
• Different cmd_vel msgs to multiple robots on Gazebo
• Turtlebot calibration returns absolute parameters not multipliers?
• Turtlebot calibration returns absolute parameters not multipliers?
• Error while successful "sudo apt-get install ros-diamondback-desktop-full"
• Error while successful "sudo apt-get install ros-diamondback-desktop-full"
• Turtlebot/Create doesn't move straight
• Turtlebot/Create doesn't move straight
• rosmake { rosjava, rosjava_core } fails
• rosmake { rosjava, rosjava_core } fails
• Why navfn is using Dijkstra?
• Why navfn is using Dijkstra?
• Classes not resolved on Eclipse CDT
• Classes not resolved on Eclipse CDT
• Unknown CMake command "rospack"
• Unknown CMake command "rospack"
• (Turtlebot) Easier way to check power button status of iRobot Create
• (Turtlebot) Easier way to check power button status of iRobot Create
• Turtlebot on Gazebo not operatable
• Turtlebot on Gazebo not operatable
• map_saver doesn't return from "Waiting for the map"
• map_saver doesn't return from "Waiting for the map"
• gazebo crashes after C-c pr2_teleop
• gazebo crashes after C-c pr2_teleop
• rospy.sleep doesn't get awaken
• rospy.sleep doesn't get awaken
• Can z value in quaternion get negative?
• Can z value in quaternion get negative?
• Controlling Turtlebot's sound/noise
• Controlling Turtlebot's sound/noise
• Monitor multiple Turtlebots with 1 workstation?
• Monitor multiple Turtlebots with 1 workstation?
• Error "error: ‘Matrix3x3’ is not a member of ‘tf’" while building bosch-ros-pkg
• Error "error: ‘Matrix3x3’ is not a member of ‘tf’" while building bosch-ros-pkg
• ROS_INFO not printing anything after some point
• ROS_INFO not printing anything after some point
• Local planner's concrete class is defined where in move_base?
• Local planner's concrete class is defined where in move_base?
• subprocess.CalledProcessError while installing on OSX
• subprocess.CalledProcessError while installing on OSX
• eclipse calling make, not rosmake
• eclipse calling make, not rosmake
• Android app not found on Market
• Android app not found on Market
• Send the name of image files
• Send the name of image files
• sound_play consumes high CPU and makes strange voice after some moment
• sound_play consumes high CPU and makes strange voice after some moment
• Better msg implementation for random, complicated shape in 2D
• Better msg implementation for random, complicated shape in 2D
• rospack ends with "rosboost_cfg.rosboost_cfg.BoostError"
• rospack ends with "rosboost_cfg.rosboost_cfg.BoostError"
• Document about relationship b/w GUI components
• Document about relationship b/w GUI components
• Status "Stale" in Turtlebot's dashboard
• Status "Stale" in Turtlebot's dashboard
• rviz shows the robot's location differently from gazebo
• rviz shows the robot's location differently from gazebo
• How to change Python Qt binding?
• How to change Python Qt binding?
• How to declare common parameter
• How to declare common parameter
• snapshotting rxgraph
• snapshotting rxgraph
• Installing "Restricted" drivers for turtlebot
• Installing "Restricted" drivers for turtlebot
• error: ‘__s_getMD5Sum’ is not a member
• error: ‘__s_getMD5Sum’ is not a member
• Nodes on different hosts don't communicate
• Nodes on different hosts don't communicate
• On Ubuntu, service "turtlebot" sometimes doesn't start
• On Ubuntu, service "turtlebot" sometimes doesn't start
• Turtlebot doesn't start rotating on calibration
• Turtlebot doesn't start rotating on calibration
• Guideline/rule for logging when using 3rd party libraries/framework?
• Guideline/rule for logging when using 3rd party libraries/framework?
• (rosjava) class files of custom messages cannot be found
• (rosjava) class files of custom messages cannot be found
• diagnostic_msg/DiagnosticStatus should have "stale"?
• diagnostic_msg/DiagnosticStatus should have "stale"?
• Error "Client wants topic A to have B, but our version has C. Dropping connection."
• Error "Client wants topic A to have B, but our version has C. Dropping connection."
• Advantage of linking to genmsg in CMakeLists.txt / package.xml?
• Advantage of linking to genmsg in CMakeLists.txt / package.xml?
• How to reconfigure dynamically the parameters that aren't latched to particular nodes?
• How to reconfigure dynamically the parameters that aren't latched to particular nodes?
• Subscriber gets older timestamped messages
• Subscriber gets older timestamped messages
• Priority in rospy loglevel configuration
• Priority in rospy loglevel configuration
• Should URDF in Gazebo tutorials be replaced with SDF?
• Should URDF in Gazebo tutorials be replaced with SDF?
• Linking error when catkin_make actionlib tutorial
• Linking error when catkin_make actionlib tutorial
• CodeRef macro fails on a wiki page
• CodeRef macro fails on a wiki page
• Realtime code sharing on multiple hosts w/o caring host-specifics (e.g. CPU architecture)
• Realtime code sharing on multiple hosts w/o caring host-specifics (e.g. CPU architecture)
• Switching catkin workspaces carries old env vars
• Switching catkin workspaces carries old env vars
• Rule/practice for the location of storing config files
• Rule/practice for the location of storing config files
• Turtlebot model appears only partially by using Interactive Marker
• Turtlebot model appears only partially by using Interactive Marker
• What does python_qt_binding.loadUi's 3rd arg do in PyQt binding?
• What does python_qt_binding.loadUi's 3rd arg do in PyQt binding?
• bloom says "Cannot push to remote release repository"
• bloom says "Cannot push to remote release repository"
• (Cont'd) ROS build customization inconsistency
• (Cont'd) ROS build customization inconsistency
• image_transport/compressed_sub does not exist in android tutorial
• image_transport/compressed_sub does not exist in android tutorial
• catkin_make_isolated fails with "--install-space /opt/ros/groovy"
• catkin_make_isolated fails with "--install-space /opt/ros/groovy"
• rqt_gui shows no menu bar on Mac OSX
• rqt_gui shows no menu bar on Mac OSX
• Could not find group:ros.rosjava_zeroconf
• Could not find group:ros.rosjava_zeroconf
• Some e-mails not delivered to ros-users?
• Some e-mails not delivered to ros-users?
• catkin_prepare_release pushes twice w/o incrementing tag?
• catkin_prepare_release pushes twice w/o incrementing tag?
• Could not resolve rosdep key 'rospkg'
• Could not resolve rosdep key 'rospkg'
• Manually modify Code API pages?
• Manually modify Code API pages?
• fuerte's supported python is 2.6 that's not supported on Precise
• fuerte's supported python is 2.6 that's not supported on Precise
• rosmaster zombie
• rosmaster zombie
• No executables generated by building unit test cpp with catkin
• No executables generated by building unit test cpp with catkin
• How is the info in the package.xml of a metapackage used?
• How is the info in the package.xml of a metapackage used?
• catkin_make started failing to generate .h from .msg
• catkin_make started failing to generate .h from .msg
• jenkins fails to build with "No such file or directory"
• jenkins fails to build with "No such file or directory"
• Install rosdep definition locally in a package
• Install rosdep definition locally in a package
• bloom; RuntimeError: Two packages have different version numbers
• bloom; RuntimeError: Two packages have different version numbers
• What python version does Catkin require?
• What python version does Catkin require?
• Where to find existing "track" in release repository?
• Where to find existing "track" in release repository?
• UnicodeEncodeError: 'ascii' codec can't encode character u'\xa0' during bloom-release
• UnicodeEncodeError: 'ascii' codec can't encode character u'\xa0' during bloom-release
• No such file or directory: pr2_moveit_config/temp/pr2.urdf
• No such file or directory: pr2_moveit_config/temp/pr2.urdf
• generate_messages fails with ros_comm
• generate_messages fails with ros_comm
• What does ROS distro "freeze" require?
• What does ROS distro "freeze" require?
• What for catkin needs to link to librt (realtime extension)?
• What for catkin needs to link to librt (realtime extension)?
• To ignore some pkgs upon release by bloom
• To ignore some pkgs upon release by bloom
• catkin_prepare_release fails with svn upstream
• catkin_prepare_release fails with svn upstream
• git-bloom-release fails with svn upstream repo
• git-bloom-release fails with svn upstream repo
• Shell script in rosdep rule error
• Shell script in rosdep rule error
• Mock diagnostics?
• Mock diagnostics?
• Steps to cancel already-released packages
• Steps to cancel already-released packages
• Large data storage in ROS community
• Large data storage in ROS community
• core packages get removed by apt-get update & dist-upgrade
• core packages get removed by apt-get update & dist-upgrade
• When to release build increment?
• When to release build increment?
• shadow-fixed bin repo not synchronized?
• shadow-fixed bin repo not synchronized?
• "Failed to clone repository" error on first-time bloom releasing for svn devel repo.
• "Failed to clone repository" error on first-time bloom releasing for svn devel repo.
• To tag svn project during ROS release steps more easily
• To tag svn project during ROS release steps more easily
• To get stage catkinized in Groovy
• To get stage catkinized in Groovy
• To install ROS .debs by specifying their versions?
• To install ROS .debs by specifying their versions?
• Format of source.yaml for Development Test for svn
• Format of source.yaml for Development Test for svn
• With ueye_cam, no image published, rqt_image_view crashes
• With ueye_cam, no image published, rqt_image_view crashes
• "rosdep install" ignores a package that's actually missing
• "rosdep install" ignores a package that's actually missing
• Releasing RobotWebTools as .deb?
• Releasing RobotWebTools as .deb?
• catkin command passes with non-existent ROS package "pcl"
• catkin command passes with non-existent ROS package "pcl"
• Best way to get the relevant log file from ~/.ros/log
• Best way to get the relevant log file from ~/.ros/log
• List of packages and their license
• List of packages and their license
• When's Groovy EOL
• When's Groovy EOL
• RViz quietly ignores if .rviz file given with -d option doesn't exist?
• RViz quietly ignores if .rviz file given with -d option doesn't exist?
• Hydro RViz crashes (Groovy not); glibc detected corrupted double-linked list
• Hydro RViz crashes (Groovy not); glibc detected corrupted double-linked list
• Where is wstool documented?
• Where is wstool documented?
• How versioned build_depend works?
• How versioned build_depend works?
• Depend on OpenCV in Hydro
• Depend on OpenCV in Hydro
• Best practice for customizing .rviz file MoveIt! Setup Assistant creates
• Best practice for customizing .rviz file MoveIt! Setup Assistant creates
• No error, no move with TransformListener.lookupTransform(now)
• No error, no move with TransformListener.lookupTransform(now)
• Error [Errno 89] Function not implemented while source installing catkin_pkg
• Error [Errno 89] Function not implemented while source installing catkin_pkg
• ROS3D.Viewer not appearing
• ROS3D.Viewer not appearing
• How to open custom wiki page subdomain (e.g. moveit.ros.org) and its experience
• How to open custom wiki page subdomain (e.g. moveit.ros.org) and its experience
• Setting MoveIt! controller manager
• Setting MoveIt! controller manager
• ImportError: No module named yaml with run_chroot_local (jenkins-script) fails
• ImportError: No module named yaml with run_chroot_local (jenkins-script) fails
• Workflow of release by catkin_{generate_changelog, prepare_release}
• Workflow of release by catkin_{generate_changelog, prepare_release}
• To not see Interactive Markers from other hosts
• To not see Interactive Markers from other hosts
• No PointGrey cameras detected on this computer.
• No PointGrey cameras detected on this computer.
• Port to connect to rostest rosmaster after Indigo
• Port to connect to rostest rosmaster after Indigo
• Gazebo version collides between Indigo and Jade
• Gazebo version collides between Indigo and Jade
• Unable to set camera info for calibration
• Unable to set camera info for calibration
• Docker prerelease setting and ROS Indigo incompatible?
• Docker prerelease setting and ROS Indigo incompatible?
• ROS usage metrics in Amazon Picking Challenge 2015
• ROS usage metrics in Amazon Picking Challenge 2015
• Configure Python3 path for local docker prerelease script
• Configure Python3 path for local docker prerelease script
• To qualify "ROS-Industrial" package
• To qualify "ROS-Industrial" package
• face_recognition package usage is unclear
• face_recognition package usage is unclear
• Why diagnostic_aggregator returns ERROR instead of STALE in some cases?
• Why diagnostic_aggregator returns ERROR instead of STALE in some cases?
• Where does "catkin run_tests" get tests from?
• Where does "catkin run_tests" get tests from?
• Cartesian Planner Plugin not selectable on RViz
• Cartesian Planner Plugin not selectable on RViz
• Python nodes and re-usable modules
• Python nodes and re-usable modules
• [OSX Indigo] No rule to make target `/usr/local/lib/libpangoxft-1.0.dylib
• [OSX Indigo] No rule to make target `/usr/local/lib/libpangoxft-1.0.dylib
• Where's repository of debbuild scripts?
• Where's repository of debbuild scripts?
• To execute modules as scripts in Catkin
• To execute modules as scripts in Catkin
• Release only on certain Ubuntu platform?
• Release only on certain Ubuntu platform?
• What's the right commands for starting Baxter's Gazebo and MoveIt!?
• What's the right commands for starting Baxter's Gazebo and MoveIt!?
• Node graph for multi-host ROS network
• Node graph for multi-host ROS network
• catkin_add_gtest linking error
• catkin_add_gtest linking error
• [jade] eigen3 not found build error
• [jade] eigen3 not found build error
• bloom pulls in older tagged version
• bloom pulls in older tagged version
• Default bool value for test_commits and test_pull_requests in rosdistro format
• Default bool value for test_commits and test_pull_requests in rosdistro format
• Turtlebot never moves during "Sending goal" with frontier_exploration
• Turtlebot never moves during "Sending goal" with frontier_exploration
• Usage of test_commit and test_pull_requests in rosdistro file
• Usage of test_commit and test_pull_requests in rosdistro file
• Examine ROS buildfarm pull request testing result output
• Examine ROS buildfarm pull request testing result output
• catkin_generate_changelog issue with a repo that consolidated multiple repos
• catkin_generate_changelog issue with a repo that consolidated multiple repos
• catkin_prepare_release not bumping packages in a certain folder?
• catkin_prepare_release not bumping packages in a certain folder?
• Conversion table b/w older & newer ROS
• Conversion table b/w older & newer ROS
• Info source in new package release e-mail summary
• Info source in new package release e-mail summary
• New release while ignoring EOL Ubuntu distro
• New release while ignoring EOL Ubuntu distro
• How to change velocity & acceleration in MotionPlanRequest topic
• How to change velocity & acceleration in MotionPlanRequest topic
• Embed request fields from another .srv files into my .srv
• Embed request fields from another .srv files into my .srv
• md5sum change when modifying comments in msg/srv/action?
• md5sum change when modifying comments in msg/srv/action?
• setup.* files upon 3rd party install
• setup.* files upon 3rd party install
• Accessing data downloaded via catkin_download_test_data
• Accessing data downloaded via catkin_download_test_data
• "rosbag play" pauses while it shouldn't
• "rosbag play" pauses while it shouldn't
• 3rdparty package release; 1) new distro release not working. 2) 2nd+ time release instruction not documented?
• 3rdparty package release; 1) new distro release not working. 2) 2nd+ time release instruction not documented?
• catkin_make and catkin_tools not finding new msg/srv?
• catkin_make and catkin_tools not finding new msg/srv?
• Upgrade Indigo package versions (particularly moveit_commander)
• Upgrade Indigo package versions (particularly moveit_commander)
• [buildfarm] Missing package dependencies: %PKG_NAME%/package.xml
• [buildfarm] Missing package dependencies: %PKG_NAME%/package.xml
• Buildfarm pull request test fails without its reason indicated
• Buildfarm pull request test fails without its reason indicated
• Avoid starting multiple node instances with the same type
• Avoid starting multiple node instances with the same type
• Access non-ROS resource from .launch/C++
• Access non-ROS resource from .launch/C++
• ROS buildfarm CI fails with "UNSTABLE" status?
• ROS buildfarm CI fails with "UNSTABLE" status?
• Tests if ros master is not running using rostest
• Tests if ros master is not running using rostest
• qt_gui_main() found multiple plugins matching
• qt_gui_main() found multiple plugins matching
• Conditionally set an arg in launch if directory exists
• Conditionally set an arg in launch if directory exists
• How "ImportError: No module named rospkg" happens
• How "ImportError: No module named rospkg" happens
• Path of catkin workspace appears in install space
• Path of catkin workspace appears in install space
• roswtf static check error: "Local network configuration is invalid"
• roswtf static check error: "Local network configuration is invalid"
• Relationship between rospkg and catkin_pkg (& ament_package)
• Relationship between rospkg and catkin_pkg (& ament_package)
• Find dependents of ROS Message and Service statically
• Find dependents of ROS Message and Service statically
• What to do with bloom when dependency unavailable on Debian
• What to do with bloom when dependency unavailable on Debian
• Dependency on actionlib when building .action files
• Dependency on actionlib when building .action files
• "catkin run_tests" finding non-installed resource
• "catkin run_tests" finding non-installed resource
• Process dies for test.py with "option --gtest_output not recognized" error
• Process dies for test.py with "option --gtest_output not recognized" error
• Capture rostest result status in detail
• Capture rostest result status in detail
• repositories.ros.org status page not updated for 10 days
• repositories.ros.org status page not updated for 10 days
• [clarification] Packages built during potential compromise in 2019
• [clarification] Packages built during potential compromise in 2019
• Purpose, documentation of python-ros* packages
• Purpose, documentation of python-ros* packages
• H/W acceleration w/Docker: Error response from daemon: OCI runtime create failed
• H/W acceleration w/Docker: Error response from daemon: OCI runtime create failed
• User-facing alternative of rosgraph_msgs/Log msg type
• User-facing alternative of rosgraph_msgs/Log msg type
• (About) When Noetic feature freeze in core libraries
• (About) When Noetic feature freeze in core libraries
• Why are there turtles everywhere in ROS land?
• Why are there turtles everywhere in ROS land?
• Relaying ROS Service
• Relaying ROS Service
• roslibjs.getParam returns "Service /rosapi/get_param_names does not exist"
• roslibjs.getParam returns "Service /rosapi/get_param_names does not exist"
• Configure X number of nodes in .launch
• Configure X number of nodes in .launch
• Avoid test_depend in rosdep install
• Avoid test_depend in rosdep install
• bloom-release fais: Aborting pull request: HTTP Error 401: Unauthorized
• bloom-release fais: Aborting pull request: HTTP Error 401: Unauthorized
• Install colcon via 'rosdep install'
• Install colcon via 'rosdep install'
• To define dependency on a package or resource that's only needed after a process initialized
• To define dependency on a package or resource that's only needed after a process initialized
• CMake fails with "No CMAKE_CXX_COMPILER could be found." (docker, melodic-ros-core)
• CMake fails with "No CMAKE_CXX_COMPILER could be found." (docker, melodic-ros-core)
• FileNotFoundError: [Errno 2] No such file or directory: 'make'
• FileNotFoundError: [Errno 2] No such file or directory: 'make'
• To run non-ROS pytest via Catkin
• To run non-ROS pytest via Catkin
• 2021 Metrics missing?
• 2021 Metrics missing?
• Print dynamic reconfigure default value in the launch log
• Print dynamic reconfigure default value in the launch log

● Taxonomist   × 1

● Enlightened   × 2

• Is there a ros package that can provide GUI for other ros nodes?
• Is there a ros package that can provide GUI for other ros nodes?

● Nice Answer   × 180

• Autonomous navigation with turtlebot. Troubles through doors.
• Autonomous navigation with turtlebot. Troubles through doors.
• Can the log level of a (python) ROS node be changed dynamically?
• Can the log level of a (python) ROS node be changed dynamically?
• Is there a ros package that can provide GUI for other ros nodes?
• Is there a ros package that can provide GUI for other ros nodes?
• error when build catkin package
• error when build catkin package
• No module named srv
• No module named srv
• How do I intercept rqt plugin mouse events?
• How do I intercept rqt plugin mouse events?
• rospack depends geometry_msgs vs rosmsg packages Header
• rospack depends geometry_msgs vs rosmsg packages Header
• debug ros node python
• debug ros node python
• Catkin and Qt_ros. How to build
• Catkin and Qt_ros. How to build
• rospack depends error.
• rospack depends error.
• " rostopic list " error
• " rostopic list " error
• Beginner tutorials: segmentation fault with rospack depends1
• Beginner tutorials: segmentation fault with rospack depends1
• ROS over QNX
• ROS over QNX
• How do I get a valid NodeHandle in a rqt plugin
• How do I get a valid NodeHandle in a rqt plugin
• roscd and roslaunch problem
• roscd and roslaunch problem
• How to write a simple Python Qt dialog on ROS Service?
• How to write a simple Python Qt dialog on ROS Service?
• Does anybody make and sell stickers with the ROS logo and related products/brands/companies?
• Does anybody make and sell stickers with the ROS logo and related products/brands/companies?
• USARSim and ROS integration
• USARSim and ROS integration
• rqt loading with requested perspective
• rqt loading with requested perspective
• Unable to locate package ros
• Unable to locate package ros
• Upload packages to respositories
• Upload packages to respositories
• Linking error when catkin_make actionlib tutorial
• Linking error when catkin_make actionlib tutorial
• Hi folks, since days ROS wiki is unavailable.
• Hi folks, since days ROS wiki is unavailable.
• Unable to locate package ros-groovy-desktop-full
• Unable to locate package ros-groovy-desktop-full
• groovy-devel, hydro-devel, different git branches architecture question
• groovy-devel, hydro-devel, different git branches architecture question
• ROS Hydro Amazon EC2
• ROS Hydro Amazon EC2
• ROS/gazebo consulting service
• ROS/gazebo consulting service
• チュートリアルについて
• チュートリアルについて
• gazebo 3.0 problem
• gazebo 3.0 problem
• Introduction on writing launch files
• Introduction on writing launch files
• Is here somwere who would like to run a training program for about ROS for students?
• Is here somwere who would like to run a training program for about ROS for students?
• "apt-get source" for packages.ros.org?
• "apt-get source" for packages.ros.org?
• No executable found in a released Debian package
• No executable found in a released Debian package
• Why are my comments on ROS Answers disappearing?
• Why are my comments on ROS Answers disappearing?
• What is the purpose of base_footprint?
• What is the purpose of base_footprint?
• rqt saving configuration
• rqt saving configuration
• Failed to load plugin libgazebo_ros_control.so
• Failed to load plugin libgazebo_ros_control.so
• leading slash in namespace
• leading slash in namespace
• Can ROS INDIGO & ROS I HYDRO communicate each other?
• Can ROS INDIGO & ROS I HYDRO communicate each other?
• Geo-Referenced Mapping interface for ROS/RVIZ
• Geo-Referenced Mapping interface for ROS/RVIZ
• setup.bash refering to package and states file not found
• setup.bash refering to package and states file not found
• How do I remove a duplicate package?
• How do I remove a duplicate package?
• Best way to check if ROS is running
• Best way to check if ROS is running
• What should pwd be replaced with?
• What should pwd be replaced with?
• is it possible to privately contact a ros answer's user
• is it possible to privately contact a ros answer's user
• willow garage world - 2d map
• willow garage world - 2d map
• rqt_graph font too large
• rqt_graph font too large
• Dependency problem on ubuntu 15.04 for ROS Jade
• Dependency problem on ubuntu 15.04 for ROS Jade
• Multi Floor navigation
• Multi Floor navigation
• MoveIt! Installation
• MoveIt! Installation
• How to Save MoveIt Octomap?
• How to Save MoveIt Octomap?
• custom rqt gui
• custom rqt gui
• How to ask to ros the service parameter data type
• How to ask to ros the service parameter data type
• Which dynamixel package shoud be used?
• Which dynamixel package shoud be used?
• Unable to locate package ros-indigo-moveit-full
• Unable to locate package ros-indigo-moveit-full
• Failed to load nodelet [/camera/rgb_rectify_mono] of type [image_proc/rectify] even after refreshing the cache: Failed to load library
• Failed to load nodelet [/camera/rgb_rectify_mono] of type [image_proc/rectify] even after refreshing the cache: Failed to load library
• RQT Reconfigure - no plugin found
• RQT Reconfigure - no plugin found
• sudo apt install catkin not working.
• sudo apt install catkin not working.
• Tool for introspection of launch files
• Tool for introspection of launch files
• Oddity in rxplot
• Oddity in rxplot
• what does the"rpy" in URDF file means?
• what does the"rpy" in URDF file means?
• meta forum for ROS answers?
• meta forum for ROS answers?
• Can I get Ubuntu with ros preinstalled anywhere?
• Can I get Ubuntu with ros preinstalled anywhere?
• Could not find configuration package "camera_info_manager" upon build
• Could not find configuration package "camera_info_manager" upon build
• RQT command does not display plugins after clean install
• RQT command does not display plugins after clean install
• List of packages and their license
• List of packages and their license
• Accepting answers to someone else's questions [meta]
• Accepting answers to someone else's questions [meta]
• rqt custom imageView. Showing images from different cameras
• rqt custom imageView. Showing images from different cameras
• rosbridge for melodic distro?
• rosbridge for melodic distro?
• How to visualize a frame pose as a path
• How to visualize a frame pose as a path
• How to connect ROS to a MQTT broker
• How to connect ROS to a MQTT broker
• Error "bash: syntax error near unexpected token `newline'" during tutorial
• Error "bash: syntax error near unexpected token `newline'" during tutorial
• how to edit the map (.pbm) built by gmapping pkg
• how to edit the map (.pbm) built by gmapping pkg
• Stitch 4 Images in Rviz
• Stitch 4 Images in Rviz
• How to take save a snapshot from my kinect to disk?
• How to take save a snapshot from my kinect to disk?
• rqt_plot not publishing showing anything
• rqt_plot not publishing showing anything
• catkin run_tests with stdout output of rostest
• catkin run_tests with stdout output of rostest
• Errors at catkin_make for laser_scan_matcher
• Errors at catkin_make for laser_scan_matcher
• How could I install a previous version of ROS?
• How could I install a previous version of ROS?
• is theconstructsim real or a scam
• is theconstructsim real or a scam
• launch different nodes based on user choice
• launch different nodes based on user choice
• Building OpenCV from source for ROS
• Building OpenCV from source for ROS
• Use roswtf in continuous integration
• Use roswtf in continuous integration
• rviz - video recording
• rviz - video recording
• Is it possible to call ./executable from a launch file?
• Is it possible to call ./executable from a launch file?
• When should I use topics vs services vs actionlib actions (vs dynamic_reconfigure)?
• When should I use topics vs services vs actionlib actions (vs dynamic_reconfigure)?
• URDF and SDF?
• URDF and SDF?
• Get param from a parrallel namespace
• Get param from a parrallel namespace
• Where can I find an example of a C++ ROS 2 rqt plugin?
• Where can I find an example of a C++ ROS 2 rqt plugin?

● Famous Question   × 360

• terminate & launch other node from code
• terminate & launch other node from code
• Turtlebot calibration returns absolute parameters not multipliers?
• Turtlebot calibration returns absolute parameters not multipliers?
• Monitor multiple Turtlebots with 1 workstation?
• Monitor multiple Turtlebots with 1 workstation?
• Different cmd_vel msgs to multiple robots on Gazebo
• Different cmd_vel msgs to multiple robots on Gazebo
• Error "error: ‘Matrix3x3’ is not a member of ‘tf’" while building bosch-ros-pkg
• Error "error: ‘Matrix3x3’ is not a member of ‘tf’" while building bosch-ros-pkg
• Local planner's concrete class is defined where in move_base?
• Local planner's concrete class is defined where in move_base?
• Why navfn is using Dijkstra?
• Why navfn is using Dijkstra?
• subprocess.CalledProcessError while installing on OSX
• subprocess.CalledProcessError while installing on OSX
• eclipse calling make, not rosmake
• eclipse calling make, not rosmake
• (Turtlebot) Easier way to check power button status of iRobot Create
• (Turtlebot) Easier way to check power button status of iRobot Create
• Android app not found on Market
• Android app not found on Market
• sound_play consumes high CPU and makes strange voice after some moment
• sound_play consumes high CPU and makes strange voice after some moment
• rospy.sleep doesn't get awaken
• rospy.sleep doesn't get awaken
• rospack ends with "rosboost_cfg.rosboost_cfg.BoostError"
• rospack ends with "rosboost_cfg.rosboost_cfg.BoostError"
• Controlling Turtlebot's sound/noise
• Controlling Turtlebot's sound/noise
• Turtlebot/Create doesn't move straight
• Turtlebot/Create doesn't move straight
• Status "Stale" in Turtlebot's dashboard
• Status "Stale" in Turtlebot's dashboard
• rviz shows the robot's location differently from gazebo
• rviz shows the robot's location differently from gazebo
• Turtlebot on Gazebo not operatable
• Turtlebot on Gazebo not operatable
• gazebo crashes after C-c pr2_teleop
• gazebo crashes after C-c pr2_teleop
• How to avoid hardcoding package name in python?
• How to avoid hardcoding package name in python?
• Can z value in quaternion get negative?
• Can z value in quaternion get negative?
• ROS_INFO not printing anything after some point
• ROS_INFO not printing anything after some point
• map_saver doesn't return from "Waiting for the map"
• map_saver doesn't return from "Waiting for the map"
• Classes not resolved on Eclipse CDT
• Classes not resolved on Eclipse CDT
• How to declare common parameter
• How to declare common parameter
• snapshotting rxgraph
• snapshotting rxgraph
• Installing "Restricted" drivers for turtlebot
• Installing "Restricted" drivers for turtlebot
• error: ‘__s_getMD5Sum’ is not a member
• error: ‘__s_getMD5Sum’ is not a member
• Nodes on different hosts don't communicate
• Nodes on different hosts don't communicate
• Document about relationship b/w GUI components
• Document about relationship b/w GUI components
• How to change Python Qt binding?
• How to change Python Qt binding?
• On Ubuntu, service "turtlebot" sometimes doesn't start
• On Ubuntu, service "turtlebot" sometimes doesn't start
• Turtlebot doesn't start rotating on calibration
• Turtlebot doesn't start rotating on calibration
• (rosjava) class files of custom messages cannot be found
• (rosjava) class files of custom messages cannot be found
• gdb says "program is not being run" upon gazebo
• gdb says "program is not being run" upon gazebo
• Error "Client wants topic A to have B, but our version has C. Dropping connection."
• Error "Client wants topic A to have B, but our version has C. Dropping connection."
• Unknown CMake command "rospack"
• Unknown CMake command "rospack"
• Error while successful "sudo apt-get install ros-diamondback-desktop-full"
• Error while successful "sudo apt-get install ros-diamondback-desktop-full"
• diagnostic_msg/DiagnosticStatus should have "stale"?
• diagnostic_msg/DiagnosticStatus should have "stale"?
• Subscriber gets older timestamped messages
• Subscriber gets older timestamped messages
• How to reconfigure dynamically the parameters that aren't latched to particular nodes?
• How to reconfigure dynamically the parameters that aren't latched to particular nodes?
• rosmake { rosjava, rosjava_core } fails
• rosmake { rosjava, rosjava_core } fails
• Better msg implementation for random, complicated shape in 2D
• Better msg implementation for random, complicated shape in 2D
• Should URDF in Gazebo tutorials be replaced with SDF?
• Should URDF in Gazebo tutorials be replaced with SDF?
• CodeRef macro fails on a wiki page
• CodeRef macro fails on a wiki page
• Realtime code sharing on multiple hosts w/o caring host-specifics (e.g. CPU architecture)
• Realtime code sharing on multiple hosts w/o caring host-specifics (e.g. CPU architecture)
• Turtlebot model appears only partially by using Interactive Marker
• Turtlebot model appears only partially by using Interactive Marker
• Linking error when catkin_make actionlib tutorial
• Linking error when catkin_make actionlib tutorial
• Rule/practice for the location of storing config files
• Rule/practice for the location of storing config files
• (Cont'd) ROS build customization inconsistency
• (Cont'd) ROS build customization inconsistency
• Advantage of linking to genmsg in CMakeLists.txt / package.xml?
• Advantage of linking to genmsg in CMakeLists.txt / package.xml?
• image_transport/compressed_sub does not exist in android tutorial
• image_transport/compressed_sub does not exist in android tutorial
• catkin_make_isolated fails with "--install-space /opt/ros/groovy"
• catkin_make_isolated fails with "--install-space /opt/ros/groovy"
• catkin_make started failing to generate .h from .msg
• catkin_make started failing to generate .h from .msg
• Guideline/rule for logging when using 3rd party libraries/framework?
• Guideline/rule for logging when using 3rd party libraries/framework?
• bloom says "Cannot push to remote release repository"
• bloom says "Cannot push to remote release repository"
• What does python_qt_binding.loadUi's 3rd arg do in PyQt binding?
• What does python_qt_binding.loadUi's 3rd arg do in PyQt binding?
• Install rosdep definition locally in a package
• Install rosdep definition locally in a package
• Could not resolve rosdep key 'rospkg'
• Could not resolve rosdep key 'rospkg'
• No executables generated by building unit test cpp with catkin
• No executables generated by building unit test cpp with catkin
• jenkins fails to build with "No such file or directory"
• jenkins fails to build with "No such file or directory"
• What for catkin needs to link to librt (realtime extension)?
• What for catkin needs to link to librt (realtime extension)?
• generate_messages fails with ros_comm
• generate_messages fails with ros_comm
• What python version does Catkin require?
• What python version does Catkin require?
• Priority in rospy loglevel configuration
• Priority in rospy loglevel configuration
• Large data storage in ROS community
• Large data storage in ROS community
• catkin_prepare_release pushes twice w/o incrementing tag?
• catkin_prepare_release pushes twice w/o incrementing tag?
• Could not find group:ros.rosjava_zeroconf
• Could not find group:ros.rosjava_zeroconf
• Switching catkin workspaces carries old env vars
• Switching catkin workspaces carries old env vars
• catkin_prepare_release fails with svn upstream
• catkin_prepare_release fails with svn upstream
• shadow-fixed bin repo not synchronized?
• shadow-fixed bin repo not synchronized?
• Shell script in rosdep rule error
• Shell script in rosdep rule error
• UnicodeEncodeError: 'ascii' codec can't encode character u'\xa0' during bloom-release
• UnicodeEncodeError: 'ascii' codec can't encode character u'\xa0' during bloom-release
• rosmaster zombie
• rosmaster zombie
• With ueye_cam, no image published, rqt_image_view crashes
• With ueye_cam, no image published, rqt_image_view crashes
• "Failed to clone repository" error on first-time bloom releasing for svn devel repo.
• "Failed to clone repository" error on first-time bloom releasing for svn devel repo.
• git-bloom-release fails with svn upstream repo
• git-bloom-release fails with svn upstream repo
• fuerte's supported python is 2.6 that's not supported on Precise
• fuerte's supported python is 2.6 that's not supported on Precise
• What does ROS distro "freeze" require?
• What does ROS distro "freeze" require?
• "rosdep install" ignores a package that's actually missing
• "rosdep install" ignores a package that's actually missing
• catkin command passes with non-existent ROS package "pcl"
• catkin command passes with non-existent ROS package "pcl"
• Hydro RViz crashes (Groovy not); glibc detected corrupted double-linked list
• Hydro RViz crashes (Groovy not); glibc detected corrupted double-linked list
• When's Groovy EOL
• When's Groovy EOL
• Releasing RobotWebTools as .deb?
• Releasing RobotWebTools as .deb?
• Best way to get the relevant log file from ~/.ros/log
• Best way to get the relevant log file from ~/.ros/log
• List of packages and their license
• List of packages and their license
• rqt_gui shows no menu bar on Mac OSX
• rqt_gui shows no menu bar on Mac OSX
• Depend on OpenCV in Hydro
• Depend on OpenCV in Hydro
• core packages get removed by apt-get update & dist-upgrade
• core packages get removed by apt-get update & dist-upgrade
• To ignore some pkgs upon release by bloom
• To ignore some pkgs upon release by bloom
• Error [Errno 89] Function not implemented while source installing catkin_pkg
• Error [Errno 89] Function not implemented while source installing catkin_pkg
• Where to find existing "track" in release repository?
• Where to find existing "track" in release repository?
• How to open custom wiki page subdomain (e.g. moveit.ros.org) and its experience
• How to open custom wiki page subdomain (e.g. moveit.ros.org) and its experience
• Best practice for customizing .rviz file MoveIt! Setup Assistant creates
• Best practice for customizing .rviz file MoveIt! Setup Assistant creates
• Mock diagnostics?
• Mock diagnostics?
• ImportError: No module named yaml with run_chroot_local (jenkins-script) fails
• ImportError: No module named yaml with run_chroot_local (jenkins-script) fails
• Where is wstool documented?
• Where is wstool documented?
• How versioned build_depend works?
• How versioned build_depend works?
• Setting MoveIt! controller manager
• Setting MoveIt! controller manager
• RViz quietly ignores if .rviz file given with -d option doesn't exist?
• RViz quietly ignores if .rviz file given with -d option doesn't exist?
• Gazebo version collides between Indigo and Jade
• Gazebo version collides between Indigo and Jade
• No PointGrey cameras detected on this computer.
• No PointGrey cameras detected on this computer.
• Manually modify Code API pages?
• Manually modify Code API pages?
• Unable to set camera info for calibration
• Unable to set camera info for calibration
• To qualify "ROS-Industrial" package
• To qualify "ROS-Industrial" package
• Docker prerelease setting and ROS Indigo incompatible?
• Docker prerelease setting and ROS Indigo incompatible?
• To install ROS .debs by specifying their versions?
• To install ROS .debs by specifying their versions?
• ROS3D.Viewer not appearing
• ROS3D.Viewer not appearing
• bloom; RuntimeError: Two packages have different version numbers
• bloom; RuntimeError: Two packages have different version numbers
• Port to connect to rostest rosmaster after Indigo
• Port to connect to rostest rosmaster after Indigo
• [OSX Indigo] No rule to make target `/usr/local/lib/libpangoxft-1.0.dylib
• [OSX Indigo] No rule to make target `/usr/local/lib/libpangoxft-1.0.dylib
• To execute modules as scripts in Catkin
• To execute modules as scripts in Catkin
• Configure Python3 path for local docker prerelease script
• Configure Python3 path for local docker prerelease script
• ROS usage metrics in Amazon Picking Challenge 2015
• ROS usage metrics in Amazon Picking Challenge 2015
• What's the right commands for starting Baxter's Gazebo and MoveIt!?
• What's the right commands for starting Baxter's Gazebo and MoveIt!?
• How is the info in the package.xml of a metapackage used?
• How is the info in the package.xml of a metapackage used?
• Python nodes and re-usable modules
• Python nodes and re-usable modules
• [jade] eigen3 not found build error
• [jade] eigen3 not found build error
• Some e-mails not delivered to ros-users?
• Some e-mails not delivered to ros-users?
• Turtlebot never moves during "Sending goal" with frontier_exploration
• Turtlebot never moves during "Sending goal" with frontier_exploration
• Default bool value for test_commits and test_pull_requests in rosdistro format
• Default bool value for test_commits and test_pull_requests in rosdistro format
• Workflow of release by catkin_{generate_changelog, prepare_release}
• Workflow of release by catkin_{generate_changelog, prepare_release}
• catkin_add_gtest linking error
• catkin_add_gtest linking error
• Conversion table b/w older & newer ROS
• Conversion table b/w older & newer ROS
• How to change velocity & acceleration in MotionPlanRequest topic
• How to change velocity & acceleration in MotionPlanRequest topic
• setup.* files upon 3rd party install
• setup.* files upon 3rd party install
• Release only on certain Ubuntu platform?
• Release only on certain Ubuntu platform?
• When to release build increment?
• When to release build increment?
• face_recognition package usage is unclear
• face_recognition package usage is unclear
• catkin_generate_changelog issue with a repo that consolidated multiple repos
• catkin_generate_changelog issue with a repo that consolidated multiple repos
• [buildfarm] Missing package dependencies: %PKG_NAME%/package.xml
• [buildfarm] Missing package dependencies: %PKG_NAME%/package.xml
• Usage of test_commit and test_pull_requests in rosdistro file
• Usage of test_commit and test_pull_requests in rosdistro file
• md5sum change when modifying comments in msg/srv/action?
• md5sum change when modifying comments in msg/srv/action?
• Accessing data downloaded via catkin_download_test_data
• Accessing data downloaded via catkin_download_test_data
• catkin_make and catkin_tools not finding new msg/srv?
• catkin_make and catkin_tools not finding new msg/srv?
• Node graph for multi-host ROS network
• Node graph for multi-host ROS network
• Upgrade Indigo package versions (particularly moveit_commander)
• Upgrade Indigo package versions (particularly moveit_commander)
• 3rdparty package release; 1) new distro release not working. 2) 2nd+ time release instruction not documented?
• 3rdparty package release; 1) new distro release not working. 2) 2nd+ time release instruction not documented?
• Avoid starting multiple node instances with the same type
• Avoid starting multiple node instances with the same type
• catkin_prepare_release not bumping packages in a certain folder?
• catkin_prepare_release not bumping packages in a certain folder?
• Path of catkin workspace appears in install space
• Path of catkin workspace appears in install space
• How "ImportError: No module named rospkg" happens
• How "ImportError: No module named rospkg" happens
• Where does "catkin run_tests" get tests from?
• Where does "catkin run_tests" get tests from?
• qt_gui_main() found multiple plugins matching
• qt_gui_main() found multiple plugins matching
• Embed request fields from another .srv files into my .srv
• Embed request fields from another .srv files into my .srv
• Send the name of image files
• Send the name of image files
• bloom pulls in older tagged version
• bloom pulls in older tagged version
• Relationship between rospkg and catkin_pkg (& ament_package)
• Relationship between rospkg and catkin_pkg (& ament_package)
• roswtf static check error: "Local network configuration is invalid"
• roswtf static check error: "Local network configuration is invalid"
• ROS buildfarm CI fails with "UNSTABLE" status?
• ROS buildfarm CI fails with "UNSTABLE" status?
• Conditionally set an arg in launch if directory exists
• Conditionally set an arg in launch if directory exists
• "rosbag play" pauses while it shouldn't
• "rosbag play" pauses while it shouldn't
• Tests if ros master is not running using rostest
• Tests if ros master is not running using rostest
• Buildfarm pull request test fails without its reason indicated
• Buildfarm pull request test fails without its reason indicated
• Examine ROS buildfarm pull request testing result output
• Examine ROS buildfarm pull request testing result output
• Process dies for test.py with "option --gtest_output not recognized" error
• Process dies for test.py with "option --gtest_output not recognized" error
• H/W acceleration w/Docker: Error response from daemon: OCI runtime create failed
• H/W acceleration w/Docker: Error response from daemon: OCI runtime create failed
• repositories.ros.org status page not updated for 10 days
• repositories.ros.org status page not updated for 10 days
• Dependency on actionlib when building .action files
• Dependency on actionlib when building .action files
• Why are there turtles everywhere in ROS land?
• Why are there turtles everywhere in ROS land?
• Why diagnostic_aggregator returns ERROR instead of STALE in some cases?
• Why diagnostic_aggregator returns ERROR instead of STALE in some cases?
• Access non-ROS resource from .launch/C++
• Access non-ROS resource from .launch/C++
• "catkin run_tests" finding non-installed resource
• "catkin run_tests" finding non-installed resource
• [clarification] Packages built during potential compromise in 2019
• [clarification] Packages built during potential compromise in 2019
• Purpose, documentation of python-ros* packages
• Purpose, documentation of python-ros* packages
• (About) When Noetic feature freeze in core libraries
• (About) When Noetic feature freeze in core libraries
• roslibjs.getParam returns "Service /rosapi/get_param_names does not exist"
• roslibjs.getParam returns "Service /rosapi/get_param_names does not exist"
• New release while ignoring EOL Ubuntu distro
• New release while ignoring EOL Ubuntu distro
• Relaying ROS Service
• Relaying ROS Service
• No error, no move with TransformListener.lookupTransform(now)
• No error, no move with TransformListener.lookupTransform(now)
• bloom-release fais: Aborting pull request: HTTP Error 401: Unauthorized
• bloom-release fais: Aborting pull request: HTTP Error 401: Unauthorized
• CMake fails with "No CMAKE_CXX_COMPILER could be found." (docker, melodic-ros-core)
• CMake fails with "No CMAKE_CXX_COMPILER could be found." (docker, melodic-ros-core)
• Install colcon via 'rosdep install'
• Install colcon via 'rosdep install'
• FileNotFoundError: [Errno 2] No such file or directory: 'make'
• FileNotFoundError: [Errno 2] No such file or directory: 'make'
• Avoid test_depend in rosdep install
• Avoid test_depend in rosdep install
• Configure X number of nodes in .launch
• Configure X number of nodes in .launch
• Print dynamic reconfigure default value in the launch log
• Print dynamic reconfigure default value in the launch log
• What to do with bloom when dependency unavailable on Debian
• What to do with bloom when dependency unavailable on Debian
• To run non-ROS pytest via Catkin
• To run non-ROS pytest via Catkin

● Autobiographer   × 2

● Necromancer   × 64

• Problems running ppl_detection in astar-ros-pkg
• Gazebo ROS Fuerte crash
• OpenCV GUI applications (beyond highgui)
• ROS over QNX
• TurtleBot plays songs?
• ueye ros driver not working properly
• Bride compilation error
• Any way to use a TestSuite (instead a TestCase) with rostest?
• ROS support for industrial robotic arms?
• "apt-get source" for packages.ros.org?
• hokuyo_node, where to install with Groovy?
• rospy master status
• Failed to load plugin libgazebo_ros_control.so
• Errors at catkin_make for laser_scan_matcher
• Turtlebot amcl demo, using map-files from selected directory?
• Best way to check if ROS is running
• rqt_graph font too large
• OpenCV Error: Null pointer (NULL or empty buffer) in cvOpenFileStorage
• We are facing following error while trying to create package in groovy envirnment on pr2
• How to configure environment parameter TURTLEBOT_GAZEBO_WORLD_FILE
• Multi Floor navigation
• MoveIt! Installation
• catkin run_tests with stdout output of rostest
• How to take save a snapshot from my kinect to disk?
• face_detector not detecting with RGBD camera
• collecting and organizing rosbag files
• sudo apt install catkin not working.
• RQT Reconfigure - no plugin found
• rostest error: Test Fixture Nodes failed to launch
• Template argument deduction fails
• Can I get force information in gazebo? and how?
• CI recommendation
• ROS_IP and ROS_HOSTNAME
• meta forum for ROS answers?
• List of packages and their license
• How to run ROS if your default python version is 3.x via Anaconda
• Could not find configuration package "camera_info_manager" upon build
• How to visualize a frame pose as a path
• get end effector position in moveit in python
• Renaming a package
• Install Rocon on kinetic, is it possible?
• add AR tag in gazebo
• Error of Rviz: can't load class 'moveit_rviz_plugin/MotionPlanning'
• How to connect ROS to a MQTT broker
• Is test_depend actually used for anything?
• How to resize moveit Setup Assistant?
• Connection refused to the Ubuntu VM when using roswtf
• jade - rosbag play with remap
• Get param from a parrallel namespace
• When should I use topics vs services vs actionlib actions (vs dynamic_reconfigure)?
• ImportError: No module named rospkg
• how to control rgb camera exposure in openni2.launch (asus xtion device)
• Rosrun tab autocompletion crashes terminal
• How could I install a previous version of ROS?
• Anybody planning to integrate NVIDIA's Isaac SDK with ROS?
• How can I completely disable writing logs to filesystem?
• goal status in Callback in actionserver in C++
• rviz - video recording
• How to command velocity in MoveIt!
• ImportError: No module named Crypto
• ´libroscpp.so: cannot open shared object file: No such file or directory´ Error
• tf_static frames not available in lookup_transform
• make_unique vs make_shared
• PCL catkin_make error : undefined reference to `pcl::Filter<pcl::PCLPointCloud2>

● Notable Question   × 382

• gdb says "program is not being run" upon gazebo
• gdb says "program is not being run" upon gazebo
• terminate & launch other node from code
• terminate & launch other node from code
• Different cmd_vel msgs to multiple robots on Gazebo
• Different cmd_vel msgs to multiple robots on Gazebo
• Why navfn is using Dijkstra?
• Why navfn is using Dijkstra?
• Turtlebot calibration returns absolute parameters not multipliers?
• Turtlebot calibration returns absolute parameters not multipliers?
• Monitor multiple Turtlebots with 1 workstation?
• Monitor multiple Turtlebots with 1 workstation?
• Error "error: ‘Matrix3x3’ is not a member of ‘tf’" while building bosch-ros-pkg
• Error "error: ‘Matrix3x3’ is not a member of ‘tf’" while building bosch-ros-pkg
• ROS_INFO not printing anything after some point
• ROS_INFO not printing anything after some point
• Local planner's concrete class is defined where in move_base?
• Local planner's concrete class is defined where in move_base?
• subprocess.CalledProcessError while installing on OSX
• subprocess.CalledProcessError while installing on OSX
• eclipse calling make, not rosmake
• eclipse calling make, not rosmake
• (Turtlebot) Easier way to check power button status of iRobot Create
• (Turtlebot) Easier way to check power button status of iRobot Create
• Android app not found on Market
• Android app not found on Market
• sound_play consumes high CPU and makes strange voice after some moment
• sound_play consumes high CPU and makes strange voice after some moment
• Send the name of image files
• Send the name of image files
• rospy.sleep doesn't get awaken
• rospy.sleep doesn't get awaken
• Better msg implementation for random, complicated shape in 2D
• Better msg implementation for random, complicated shape in 2D
• rospack ends with "rosboost_cfg.rosboost_cfg.BoostError"
• rospack ends with "rosboost_cfg.rosboost_cfg.BoostError"
• Controlling Turtlebot's sound/noise
• Controlling Turtlebot's sound/noise
• Document about relationship b/w GUI components
• Document about relationship b/w GUI components
• Turtlebot/Create doesn't move straight
• Turtlebot/Create doesn't move straight
• Status "Stale" in Turtlebot's dashboard
• Status "Stale" in Turtlebot's dashboard
• rviz shows the robot's location differently from gazebo
• rviz shows the robot's location differently from gazebo
• Turtlebot on Gazebo not operatable
• Turtlebot on Gazebo not operatable
• gazebo crashes after C-c pr2_teleop
• gazebo crashes after C-c pr2_teleop
• How to avoid hardcoding package name in python?
• How to avoid hardcoding package name in python?
• Can z value in quaternion get negative?
• Can z value in quaternion get negative?
• map_saver doesn't return from "Waiting for the map"
• map_saver doesn't return from "Waiting for the map"
• Classes not resolved on Eclipse CDT
• Classes not resolved on Eclipse CDT
• How to declare common parameter
• How to declare common parameter
• snapshotting rxgraph
• snapshotting rxgraph
• Installing "Restricted" drivers for turtlebot
• Installing "Restricted" drivers for turtlebot
• error: ‘__s_getMD5Sum’ is not a member
• error: ‘__s_getMD5Sum’ is not a member
• How to change Python Qt binding?
• How to change Python Qt binding?
• Nodes on different hosts don't communicate
• Nodes on different hosts don't communicate
• On Ubuntu, service "turtlebot" sometimes doesn't start
• On Ubuntu, service "turtlebot" sometimes doesn't start
• Turtlebot doesn't start rotating on calibration
• Turtlebot doesn't start rotating on calibration
• (rosjava) class files of custom messages cannot be found
• (rosjava) class files of custom messages cannot be found
• diagnostic_msg/DiagnosticStatus should have "stale"?
• diagnostic_msg/DiagnosticStatus should have "stale"?
• Error "Client wants topic A to have B, but our version has C. Dropping connection."
• Error "Client wants topic A to have B, but our version has C. Dropping connection."
• Guideline/rule for logging when using 3rd party libraries/framework?
• Guideline/rule for logging when using 3rd party libraries/framework?
• Unknown CMake command "rospack"
• Unknown CMake command "rospack"
• Error while successful "sudo apt-get install ros-diamondback-desktop-full"
• Error while successful "sudo apt-get install ros-diamondback-desktop-full"
• Advantage of linking to genmsg in CMakeLists.txt / package.xml?
• Advantage of linking to genmsg in CMakeLists.txt / package.xml?
• How to reconfigure dynamically the parameters that aren't latched to particular nodes?
• How to reconfigure dynamically the parameters that aren't latched to particular nodes?
• Subscriber gets older timestamped messages
• Subscriber gets older timestamped messages
• rosmake { rosjava, rosjava_core } fails
• rosmake { rosjava, rosjava_core } fails
• Should URDF in Gazebo tutorials be replaced with SDF?
• Should URDF in Gazebo tutorials be replaced with SDF?
• CodeRef macro fails on a wiki page
• CodeRef macro fails on a wiki page
• Linking error when catkin_make actionlib tutorial
• Linking error when catkin_make actionlib tutorial
• Realtime code sharing on multiple hosts w/o caring host-specifics (e.g. CPU architecture)
• Realtime code sharing on multiple hosts w/o caring host-specifics (e.g. CPU architecture)
• Switching catkin workspaces carries old env vars
• Switching catkin workspaces carries old env vars
• Turtlebot model appears only partially by using Interactive Marker
• Turtlebot model appears only partially by using Interactive Marker
• Rule/practice for the location of storing config files
• Rule/practice for the location of storing config files
• (Cont'd) ROS build customization inconsistency
• (Cont'd) ROS build customization inconsistency
• bloom says "Cannot push to remote release repository"
• bloom says "Cannot push to remote release repository"
• image_transport/compressed_sub does not exist in android tutorial
• image_transport/compressed_sub does not exist in android tutorial
• catkin_make_isolated fails with "--install-space /opt/ros/groovy"
• catkin_make_isolated fails with "--install-space /opt/ros/groovy"
• Some e-mails not delivered to ros-users?
• Some e-mails not delivered to ros-users?
• catkin_prepare_release pushes twice w/o incrementing tag?
• catkin_prepare_release pushes twice w/o incrementing tag?
• rqt_gui shows no menu bar on Mac OSX
• rqt_gui shows no menu bar on Mac OSX
• Could not resolve rosdep key 'rospkg'
• Could not resolve rosdep key 'rospkg'
• fuerte's supported python is 2.6 that's not supported on Precise
• fuerte's supported python is 2.6 that's not supported on Precise
• catkin_make started failing to generate .h from .msg
• catkin_make started failing to generate .h from .msg
• jenkins fails to build with "No such file or directory"
• jenkins fails to build with "No such file or directory"
• No executables generated by building unit test cpp with catkin
• No executables generated by building unit test cpp with catkin
• Install rosdep definition locally in a package
• Install rosdep definition locally in a package
• What does python_qt_binding.loadUi's 3rd arg do in PyQt binding?
• What does python_qt_binding.loadUi's 3rd arg do in PyQt binding?
• rosmaster zombie
• rosmaster zombie
• What python version does Catkin require?
• What python version does Catkin require?
• No such file or directory: pr2_moveit_config/temp/pr2.urdf
• No such file or directory: pr2_moveit_config/temp/pr2.urdf
• UnicodeEncodeError: 'ascii' codec can't encode character u'\xa0' during bloom-release
• UnicodeEncodeError: 'ascii' codec can't encode character u'\xa0' during bloom-release
• generate_messages fails with ros_comm
• generate_messages fails with ros_comm
• What does ROS distro "freeze" require?
• What does ROS distro "freeze" require?
• What for catkin needs to link to librt (realtime extension)?
• What for catkin needs to link to librt (realtime extension)?
• Priority in rospy loglevel configuration
• Priority in rospy loglevel configuration
• catkin_prepare_release fails with svn upstream
• catkin_prepare_release fails with svn upstream
• How is the info in the package.xml of a metapackage used?
• How is the info in the package.xml of a metapackage used?
• Large data storage in ROS community
• Large data storage in ROS community
• Where to find existing "track" in release repository?
• Where to find existing "track" in release repository?
• shadow-fixed bin repo not synchronized?
• shadow-fixed bin repo not synchronized?
• "Failed to clone repository" error on first-time bloom releasing for svn devel repo.
• "Failed to clone repository" error on first-time bloom releasing for svn devel repo.
• git-bloom-release fails with svn upstream repo
• git-bloom-release fails with svn upstream repo
• Shell script in rosdep rule error
• Shell script in rosdep rule error
• Could not find group:ros.rosjava_zeroconf
• Could not find group:ros.rosjava_zeroconf
• Manually modify Code API pages?
• Manually modify Code API pages?
• To install ROS .debs by specifying their versions?
• To install ROS .debs by specifying their versions?
• Format of source.yaml for Development Test for svn
• Format of source.yaml for Development Test for svn
• With ueye_cam, no image published, rqt_image_view crashes
• With ueye_cam, no image published, rqt_image_view crashes
• "rosdep install" ignores a package that's actually missing
• "rosdep install" ignores a package that's actually missing
• To get stage catkinized in Groovy
• To get stage catkinized in Groovy
• When to release build increment?
• When to release build increment?
• core packages get removed by apt-get update & dist-upgrade
• core packages get removed by apt-get update & dist-upgrade
• To tag svn project during ROS release steps more easily
• To tag svn project during ROS release steps more easily
• List of packages and their license
• List of packages and their license
• catkin command passes with non-existent ROS package "pcl"
• catkin command passes with non-existent ROS package "pcl"
• Releasing RobotWebTools as .deb?
• Releasing RobotWebTools as .deb?
• When's Groovy EOL
• When's Groovy EOL
• Hydro RViz crashes (Groovy not); glibc detected corrupted double-linked list
• Hydro RViz crashes (Groovy not); glibc detected corrupted double-linked list
• Where is wstool documented?
• Where is wstool documented?
• To ignore some pkgs upon release by bloom
• To ignore some pkgs upon release by bloom
• Depend on OpenCV in Hydro
• Depend on OpenCV in Hydro
• Mock diagnostics?
• Mock diagnostics?
• No error, no move with TransformListener.lookupTransform(now)
• No error, no move with TransformListener.lookupTransform(now)
• Best way to get the relevant log file from ~/.ros/log
• Best way to get the relevant log file from ~/.ros/log
• RViz quietly ignores if .rviz file given with -d option doesn't exist?
• RViz quietly ignores if .rviz file given with -d option doesn't exist?
• Error [Errno 89] Function not implemented while source installing catkin_pkg
• Error [Errno 89] Function not implemented while source installing catkin_pkg
• ROS3D.Viewer not appearing
• ROS3D.Viewer not appearing
• How to open custom wiki page subdomain (e.g. moveit.ros.org) and its experience
• How to open custom wiki page subdomain (e.g. moveit.ros.org) and its experience
• Best practice for customizing .rviz file MoveIt! Setup Assistant creates
• Best practice for customizing .rviz file MoveIt! Setup Assistant creates
• ImportError: No module named yaml with run_chroot_local (jenkins-script) fails
• ImportError: No module named yaml with run_chroot_local (jenkins-script) fails
• How versioned build_depend works?
• How versioned build_depend works?
• Setting MoveIt! controller manager
• Setting MoveIt! controller manager
• Workflow of release by catkin_{generate_changelog, prepare_release}
• Workflow of release by catkin_{generate_changelog, prepare_release}
• No PointGrey cameras detected on this computer.
• No PointGrey cameras detected on this computer.
• Gazebo version collides between Indigo and Jade
• Gazebo version collides between Indigo and Jade
• Unable to set camera info for calibration
• Unable to set camera info for calibration
• Port to connect to rostest rosmaster after Indigo
• Port to connect to rostest rosmaster after Indigo
• Docker prerelease setting and ROS Indigo incompatible?
• Docker prerelease setting and ROS Indigo incompatible?
• ROS usage metrics in Amazon Picking Challenge 2015
• ROS usage metrics in Amazon Picking Challenge 2015
• To qualify "ROS-Industrial" package
• To qualify "ROS-Industrial" package
• Why diagnostic_aggregator returns ERROR instead of STALE in some cases?
• Why diagnostic_aggregator returns ERROR instead of STALE in some cases?
• Configure Python3 path for local docker prerelease script
• Configure Python3 path for local docker prerelease script
• bloom; RuntimeError: Two packages have different version numbers
• bloom; RuntimeError: Two packages have different version numbers
• Cartesian Planner Plugin not selectable on RViz
• Cartesian Planner Plugin not selectable on RViz
• Where does "catkin run_tests" get tests from?
• Where does "catkin run_tests" get tests from?
• Python nodes and re-usable modules
• Python nodes and re-usable modules
• [OSX Indigo] No rule to make target `/usr/local/lib/libpangoxft-1.0.dylib
• [OSX Indigo] No rule to make target `/usr/local/lib/libpangoxft-1.0.dylib
• face_recognition package usage is unclear
• face_recognition package usage is unclear
• Where's repository of debbuild scripts?
• Where's repository of debbuild scripts?
• To execute modules as scripts in Catkin
• To execute modules as scripts in Catkin
• What's the right commands for starting Baxter's Gazebo and MoveIt!?
• What's the right commands for starting Baxter's Gazebo and MoveIt!?
• Release only on certain Ubuntu platform?
• Release only on certain Ubuntu platform?
• To not see Interactive Markers from other hosts
• To not see Interactive Markers from other hosts
• [jade] eigen3 not found build error
• [jade] eigen3 not found build error
• catkin_add_gtest linking error
• catkin_add_gtest linking error
• Turtlebot never moves during "Sending goal" with frontier_exploration
• Turtlebot never moves during "Sending goal" with frontier_exploration
• Default bool value for test_commits and test_pull_requests in rosdistro format
• Default bool value for test_commits and test_pull_requests in rosdistro format
• catkin_generate_changelog issue with a repo that consolidated multiple repos
• catkin_generate_changelog issue with a repo that consolidated multiple repos
• Usage of test_commit and test_pull_requests in rosdistro file
• Usage of test_commit and test_pull_requests in rosdistro file
• catkin_prepare_release not bumping packages in a certain folder?
• catkin_prepare_release not bumping packages in a certain folder?
• Node graph for multi-host ROS network
• Node graph for multi-host ROS network
• Conversion table b/w older & newer ROS
• Conversion table b/w older & newer ROS
• New release while ignoring EOL Ubuntu distro
• New release while ignoring EOL Ubuntu distro
• How to change velocity & acceleration in MotionPlanRequest topic
• How to change velocity & acceleration in MotionPlanRequest topic
• Embed request fields from another .srv files into my .srv
• Embed request fields from another .srv files into my .srv
• setup.* files upon 3rd party install
• setup.* files upon 3rd party install
• md5sum change when modifying comments in msg/srv/action?
• md5sum change when modifying comments in msg/srv/action?
• Accessing data downloaded via catkin_download_test_data
• Accessing data downloaded via catkin_download_test_data
• 3rdparty package release; 1) new distro release not working. 2) 2nd+ time release instruction not documented?
• 3rdparty package release; 1) new distro release not working. 2) 2nd+ time release instruction not documented?
• catkin_make and catkin_tools not finding new msg/srv?
• catkin_make and catkin_tools not finding new msg/srv?
• [buildfarm] Missing package dependencies: %PKG_NAME%/package.xml
• [buildfarm] Missing package dependencies: %PKG_NAME%/package.xml
• Buildfarm pull request test fails without its reason indicated
• Buildfarm pull request test fails without its reason indicated
• Upgrade Indigo package versions (particularly moveit_commander)
• Upgrade Indigo package versions (particularly moveit_commander)
• Avoid starting multiple node instances with the same type
• Avoid starting multiple node instances with the same type
• Access non-ROS resource from .launch/C++
• Access non-ROS resource from .launch/C++
• Tests if ros master is not running using rostest
• Tests if ros master is not running using rostest
• qt_gui_main() found multiple plugins matching
• qt_gui_main() found multiple plugins matching
• ROS buildfarm CI fails with "UNSTABLE" status?
• ROS buildfarm CI fails with "UNSTABLE" status?
• How "ImportError: No module named rospkg" happens
• How "ImportError: No module named rospkg" happens
• Steps to cancel already-released packages
• Steps to cancel already-released packages
• Path of catkin workspace appears in install space
• Path of catkin workspace appears in install space
• Examine ROS buildfarm pull request testing result output
• Examine ROS buildfarm pull request testing result output
• Conditionally set an arg in launch if directory exists
• Conditionally set an arg in launch if directory exists
• Relationship between rospkg and catkin_pkg (& ament_package)
• Relationship between rospkg and catkin_pkg (& ament_package)
• What to do with bloom when dependency unavailable on Debian
• What to do with bloom when dependency unavailable on Debian
• Dependency on actionlib when building .action files
• Dependency on actionlib when building .action files
• bloom pulls in older tagged version
• bloom pulls in older tagged version
• Process dies for test.py with "option --gtest_output not recognized" error
• Process dies for test.py with "option --gtest_output not recognized" error
• roswtf static check error: "Local network configuration is invalid"
• roswtf static check error: "Local network configuration is invalid"
• Capture rostest result status in detail
• Capture rostest result status in detail
• "rosbag play" pauses while it shouldn't
• "rosbag play" pauses while it shouldn't
• repositories.ros.org status page not updated for 10 days
• repositories.ros.org status page not updated for 10 days
• [clarification] Packages built during potential compromise in 2019
• [clarification] Packages built during potential compromise in 2019
• "catkin run_tests" finding non-installed resource
• "catkin run_tests" finding non-installed resource
• H/W acceleration w/Docker: Error response from daemon: OCI runtime create failed
• H/W acceleration w/Docker: Error response from daemon: OCI runtime create failed
• Why are there turtles everywhere in ROS land?
• Why are there turtles everywhere in ROS land?
• User-facing alternative of rosgraph_msgs/Log msg type
• User-facing alternative of rosgraph_msgs/Log msg type
• roslibjs.getParam returns "Service /rosapi/get_param_names does not exist"
• roslibjs.getParam returns "Service /rosapi/get_param_names does not exist"
• Purpose, documentation of python-ros* packages
• Purpose, documentation of python-ros* packages
• (About) When Noetic feature freeze in core libraries
• (About) When Noetic feature freeze in core libraries
• Relaying ROS Service
• Relaying ROS Service
• Configure X number of nodes in .launch
• Configure X number of nodes in .launch
• Install colcon via 'rosdep install'
• Install colcon via 'rosdep install'
• bloom-release fais: Aborting pull request: HTTP Error 401: Unauthorized
• bloom-release fais: Aborting pull request: HTTP Error 401: Unauthorized
• CMake fails with "No CMAKE_CXX_COMPILER could be found." (docker, melodic-ros-core)
• CMake fails with "No CMAKE_CXX_COMPILER could be found." (docker, melodic-ros-core)
• FileNotFoundError: [Errno 2] No such file or directory: 'make'
• FileNotFoundError: [Errno 2] No such file or directory: 'make'
• Avoid test_depend in rosdep install
• Avoid test_depend in rosdep install
• 2021 Metrics missing?
• 2021 Metrics missing?
• Print dynamic reconfigure default value in the launch log
• Print dynamic reconfigure default value in the launch log
• To run non-ROS pytest via Catkin
• To run non-ROS pytest via Catkin

● Self-Learner   × 14

• map_saver doesn't return from "Waiting for the map"
• map_saver doesn't return from "Waiting for the map"
• Linking error when catkin_make actionlib tutorial
• Linking error when catkin_make actionlib tutorial
• catkin_prepare_release pushes twice w/o incrementing tag?
• catkin_prepare_release pushes twice w/o incrementing tag?
• rospy.sleep doesn't get awaken
• rospy.sleep doesn't get awaken
• Upgrade Indigo package versions (particularly moveit_commander)
• Upgrade Indigo package versions (particularly moveit_commander)
• List of packages and their license
• List of packages and their license
• Why are there turtles everywhere in ROS land?
• Why are there turtles everywhere in ROS land?

● Teacher   × 2

• Autonomous navigation with turtlebot. Troubles through doors.
• Autonomous navigation with turtlebot. Troubles through doors.