No version for distro humble showing dashing. Known supported distros are highlighted in the buttons above.

Package Summary

Tags No category tags.
Version 0.0.1
License Apache License 2.0
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/ros-controls/ros2_control.git
VCS Type git
VCS Version dashing
Last Updated 2020-02-06
Dev Status DEVELOPED
CI status No Continuous Integration
Released RELEASED
Tags No category tags.
Contributing Help Wanted (0)
Good First Issues (0)
Pull Requests to Review (0)

Package Description

Description of test_robot_hardware

Additional Links

No additional links.

Maintainers

  • Karsten Knese

Authors

No additional authors.
README
No README found. See repository README.
CHANGELOG

Changelog for package test_robot_hardware

0.0.1 (2020-02-05)

  • Dashing compatibility #2 from ros2/test_robot_hardware
  • Contributors: Bence Magyar, Karsten Knese

Wiki Tutorials

This package does not provide any links to tutorials in it's rosindex metadata. You can check on the ROS Wiki Tutorials page for the package.

Package Dependencies

System Dependencies

No direct system dependencies.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged test_robot_hardware at Robotics Stack Exchange

No version for distro jazzy showing dashing. Known supported distros are highlighted in the buttons above.

Package Summary

Tags No category tags.
Version 0.0.1
License Apache License 2.0
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/ros-controls/ros2_control.git
VCS Type git
VCS Version dashing
Last Updated 2020-02-06
Dev Status DEVELOPED
CI status No Continuous Integration
Released RELEASED
Tags No category tags.
Contributing Help Wanted (0)
Good First Issues (0)
Pull Requests to Review (0)

Package Description

Description of test_robot_hardware

Additional Links

No additional links.

Maintainers

  • Karsten Knese

Authors

No additional authors.
README
No README found. See repository README.
CHANGELOG

Changelog for package test_robot_hardware

0.0.1 (2020-02-05)

  • Dashing compatibility #2 from ros2/test_robot_hardware
  • Contributors: Bence Magyar, Karsten Knese

Wiki Tutorials

This package does not provide any links to tutorials in it's rosindex metadata. You can check on the ROS Wiki Tutorials page for the package.

Package Dependencies

System Dependencies

No direct system dependencies.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged test_robot_hardware at Robotics Stack Exchange

No version for distro kilted showing dashing. Known supported distros are highlighted in the buttons above.

Package Summary

Tags No category tags.
Version 0.0.1
License Apache License 2.0
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/ros-controls/ros2_control.git
VCS Type git
VCS Version dashing
Last Updated 2020-02-06
Dev Status DEVELOPED
CI status No Continuous Integration
Released RELEASED
Tags No category tags.
Contributing Help Wanted (0)
Good First Issues (0)
Pull Requests to Review (0)

Package Description

Description of test_robot_hardware

Additional Links

No additional links.

Maintainers

  • Karsten Knese

Authors

No additional authors.
README
No README found. See repository README.
CHANGELOG

Changelog for package test_robot_hardware

0.0.1 (2020-02-05)

  • Dashing compatibility #2 from ros2/test_robot_hardware
  • Contributors: Bence Magyar, Karsten Knese

Wiki Tutorials

This package does not provide any links to tutorials in it's rosindex metadata. You can check on the ROS Wiki Tutorials page for the package.

Package Dependencies

System Dependencies

No direct system dependencies.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged test_robot_hardware at Robotics Stack Exchange

No version for distro rolling showing dashing. Known supported distros are highlighted in the buttons above.

Package Summary

Tags No category tags.
Version 0.0.1
License Apache License 2.0
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/ros-controls/ros2_control.git
VCS Type git
VCS Version dashing
Last Updated 2020-02-06
Dev Status DEVELOPED
CI status No Continuous Integration
Released RELEASED
Tags No category tags.
Contributing Help Wanted (0)
Good First Issues (0)
Pull Requests to Review (0)

Package Description

Description of test_robot_hardware

Additional Links

No additional links.

Maintainers

  • Karsten Knese

Authors

No additional authors.
README
No README found. See repository README.
CHANGELOG

Changelog for package test_robot_hardware

0.0.1 (2020-02-05)

  • Dashing compatibility #2 from ros2/test_robot_hardware
  • Contributors: Bence Magyar, Karsten Knese

Wiki Tutorials

This package does not provide any links to tutorials in it's rosindex metadata. You can check on the ROS Wiki Tutorials page for the package.

Package Dependencies

System Dependencies

No direct system dependencies.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged test_robot_hardware at Robotics Stack Exchange

No version for distro ardent showing dashing. Known supported distros are highlighted in the buttons above.

Package Summary

Tags No category tags.
Version 0.0.1
License Apache License 2.0
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/ros-controls/ros2_control.git
VCS Type git
VCS Version dashing
Last Updated 2020-02-06
Dev Status DEVELOPED
CI status No Continuous Integration
Released RELEASED
Tags No category tags.
Contributing Help Wanted (0)
Good First Issues (0)
Pull Requests to Review (0)

Package Description

Description of test_robot_hardware

Additional Links

No additional links.

Maintainers

  • Karsten Knese

Authors

No additional authors.
README
No README found. See repository README.
CHANGELOG

Changelog for package test_robot_hardware

0.0.1 (2020-02-05)

  • Dashing compatibility #2 from ros2/test_robot_hardware
  • Contributors: Bence Magyar, Karsten Knese

Wiki Tutorials

This package does not provide any links to tutorials in it's rosindex metadata. You can check on the ROS Wiki Tutorials page for the package.

Package Dependencies

System Dependencies

No direct system dependencies.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged test_robot_hardware at Robotics Stack Exchange

No version for distro bouncy showing dashing. Known supported distros are highlighted in the buttons above.

Package Summary

Tags No category tags.
Version 0.0.1
License Apache License 2.0
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/ros-controls/ros2_control.git
VCS Type git
VCS Version dashing
Last Updated 2020-02-06
Dev Status DEVELOPED
CI status No Continuous Integration
Released RELEASED
Tags No category tags.
Contributing Help Wanted (0)
Good First Issues (0)
Pull Requests to Review (0)

Package Description

Description of test_robot_hardware

Additional Links

No additional links.

Maintainers

  • Karsten Knese

Authors

No additional authors.
README
No README found. See repository README.
CHANGELOG

Changelog for package test_robot_hardware

0.0.1 (2020-02-05)

  • Dashing compatibility #2 from ros2/test_robot_hardware
  • Contributors: Bence Magyar, Karsten Knese

Wiki Tutorials

This package does not provide any links to tutorials in it's rosindex metadata. You can check on the ROS Wiki Tutorials page for the package.

Package Dependencies

System Dependencies

No direct system dependencies.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged test_robot_hardware at Robotics Stack Exchange

No version for distro crystal showing dashing. Known supported distros are highlighted in the buttons above.

Package Summary

Tags No category tags.
Version 0.0.1
License Apache License 2.0
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/ros-controls/ros2_control.git
VCS Type git
VCS Version dashing
Last Updated 2020-02-06
Dev Status DEVELOPED
CI status No Continuous Integration
Released RELEASED
Tags No category tags.
Contributing Help Wanted (0)
Good First Issues (0)
Pull Requests to Review (0)

Package Description

Description of test_robot_hardware

Additional Links

No additional links.

Maintainers

  • Karsten Knese

Authors

No additional authors.
README
No README found. See repository README.
CHANGELOG

Changelog for package test_robot_hardware

0.0.1 (2020-02-05)

  • Dashing compatibility #2 from ros2/test_robot_hardware
  • Contributors: Bence Magyar, Karsten Knese

Wiki Tutorials

This package does not provide any links to tutorials in it's rosindex metadata. You can check on the ROS Wiki Tutorials page for the package.

Package Dependencies

System Dependencies

No direct system dependencies.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged test_robot_hardware at Robotics Stack Exchange

No version for distro eloquent showing dashing. Known supported distros are highlighted in the buttons above.

Package Summary

Tags No category tags.
Version 0.0.1
License Apache License 2.0
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/ros-controls/ros2_control.git
VCS Type git
VCS Version dashing
Last Updated 2020-02-06
Dev Status DEVELOPED
CI status No Continuous Integration
Released RELEASED
Tags No category tags.
Contributing Help Wanted (0)
Good First Issues (0)
Pull Requests to Review (0)

Package Description

Description of test_robot_hardware

Additional Links

No additional links.

Maintainers

  • Karsten Knese

Authors

No additional authors.
README
No README found. See repository README.
CHANGELOG

Changelog for package test_robot_hardware

0.0.1 (2020-02-05)

  • Dashing compatibility #2 from ros2/test_robot_hardware
  • Contributors: Bence Magyar, Karsten Knese

Wiki Tutorials

This package does not provide any links to tutorials in it's rosindex metadata. You can check on the ROS Wiki Tutorials page for the package.

Package Dependencies

System Dependencies

No direct system dependencies.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged test_robot_hardware at Robotics Stack Exchange

Package Summary

Tags No category tags.
Version 0.0.1
License Apache License 2.0
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/ros-controls/ros2_control.git
VCS Type git
VCS Version dashing
Last Updated 2020-02-06
Dev Status DEVELOPED
CI status No Continuous Integration
Released RELEASED
Tags No category tags.
Contributing Help Wanted (0)
Good First Issues (0)
Pull Requests to Review (0)

Package Description

Description of test_robot_hardware

Additional Links

No additional links.

Maintainers

  • Karsten Knese

Authors

No additional authors.
README
No README found. See repository README.
CHANGELOG

Changelog for package test_robot_hardware

0.0.1 (2020-02-05)

  • Dashing compatibility #2 from ros2/test_robot_hardware
  • Contributors: Bence Magyar, Karsten Knese

Wiki Tutorials

This package does not provide any links to tutorials in it's rosindex metadata. You can check on the ROS Wiki Tutorials page for the package.

Package Dependencies

System Dependencies

No direct system dependencies.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged test_robot_hardware at Robotics Stack Exchange

No version for distro galactic showing dashing. Known supported distros are highlighted in the buttons above.

Package Summary

Tags No category tags.
Version 0.0.1
License Apache License 2.0
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/ros-controls/ros2_control.git
VCS Type git
VCS Version dashing
Last Updated 2020-02-06
Dev Status DEVELOPED
CI status No Continuous Integration
Released RELEASED
Tags No category tags.
Contributing Help Wanted (0)
Good First Issues (0)
Pull Requests to Review (0)

Package Description

Description of test_robot_hardware

Additional Links

No additional links.

Maintainers

  • Karsten Knese

Authors

No additional authors.
README
No README found. See repository README.
CHANGELOG

Changelog for package test_robot_hardware

0.0.1 (2020-02-05)

  • Dashing compatibility #2 from ros2/test_robot_hardware
  • Contributors: Bence Magyar, Karsten Knese

Wiki Tutorials

This package does not provide any links to tutorials in it's rosindex metadata. You can check on the ROS Wiki Tutorials page for the package.

Package Dependencies

System Dependencies

No direct system dependencies.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged test_robot_hardware at Robotics Stack Exchange

No version for distro foxy showing dashing. Known supported distros are highlighted in the buttons above.

Package Summary

Tags No category tags.
Version 0.0.1
License Apache License 2.0
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/ros-controls/ros2_control.git
VCS Type git
VCS Version dashing
Last Updated 2020-02-06
Dev Status DEVELOPED
CI status No Continuous Integration
Released RELEASED
Tags No category tags.
Contributing Help Wanted (0)
Good First Issues (0)
Pull Requests to Review (0)

Package Description

Description of test_robot_hardware

Additional Links

No additional links.

Maintainers

  • Karsten Knese

Authors

No additional authors.
README
No README found. See repository README.
CHANGELOG

Changelog for package test_robot_hardware

0.0.1 (2020-02-05)

  • Dashing compatibility #2 from ros2/test_robot_hardware
  • Contributors: Bence Magyar, Karsten Knese

Wiki Tutorials

This package does not provide any links to tutorials in it's rosindex metadata. You can check on the ROS Wiki Tutorials page for the package.

Package Dependencies

System Dependencies

No direct system dependencies.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged test_robot_hardware at Robotics Stack Exchange

No version for distro iron showing dashing. Known supported distros are highlighted in the buttons above.

Package Summary

Tags No category tags.
Version 0.0.1
License Apache License 2.0
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/ros-controls/ros2_control.git
VCS Type git
VCS Version dashing
Last Updated 2020-02-06
Dev Status DEVELOPED
CI status No Continuous Integration
Released RELEASED
Tags No category tags.
Contributing Help Wanted (0)
Good First Issues (0)
Pull Requests to Review (0)

Package Description

Description of test_robot_hardware

Additional Links

No additional links.

Maintainers

  • Karsten Knese

Authors

No additional authors.
README
No README found. See repository README.
CHANGELOG

Changelog for package test_robot_hardware

0.0.1 (2020-02-05)

  • Dashing compatibility #2 from ros2/test_robot_hardware
  • Contributors: Bence Magyar, Karsten Knese

Wiki Tutorials

This package does not provide any links to tutorials in it's rosindex metadata. You can check on the ROS Wiki Tutorials page for the package.

Package Dependencies

System Dependencies

No direct system dependencies.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged test_robot_hardware at Robotics Stack Exchange

No version for distro lunar showing dashing. Known supported distros are highlighted in the buttons above.

Package Summary

Tags No category tags.
Version 0.0.1
License Apache License 2.0
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/ros-controls/ros2_control.git
VCS Type git
VCS Version dashing
Last Updated 2020-02-06
Dev Status DEVELOPED
CI status No Continuous Integration
Released RELEASED
Tags No category tags.
Contributing Help Wanted (0)
Good First Issues (0)
Pull Requests to Review (0)

Package Description

Description of test_robot_hardware

Additional Links

No additional links.

Maintainers

  • Karsten Knese

Authors

No additional authors.
README
No README found. See repository README.
CHANGELOG

Changelog for package test_robot_hardware

0.0.1 (2020-02-05)

  • Dashing compatibility #2 from ros2/test_robot_hardware
  • Contributors: Bence Magyar, Karsten Knese

Wiki Tutorials

This package does not provide any links to tutorials in it's rosindex metadata. You can check on the ROS Wiki Tutorials page for the package.

Package Dependencies

System Dependencies

No direct system dependencies.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged test_robot_hardware at Robotics Stack Exchange

No version for distro jade showing dashing. Known supported distros are highlighted in the buttons above.

Package Summary

Tags No category tags.
Version 0.0.1
License Apache License 2.0
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/ros-controls/ros2_control.git
VCS Type git
VCS Version dashing
Last Updated 2020-02-06
Dev Status DEVELOPED
CI status No Continuous Integration
Released RELEASED
Tags No category tags.
Contributing Help Wanted (0)
Good First Issues (0)
Pull Requests to Review (0)

Package Description

Description of test_robot_hardware

Additional Links

No additional links.

Maintainers

  • Karsten Knese

Authors

No additional authors.
README
No README found. See repository README.
CHANGELOG

Changelog for package test_robot_hardware

0.0.1 (2020-02-05)

  • Dashing compatibility #2 from ros2/test_robot_hardware
  • Contributors: Bence Magyar, Karsten Knese

Wiki Tutorials

This package does not provide any links to tutorials in it's rosindex metadata. You can check on the ROS Wiki Tutorials page for the package.

Package Dependencies

System Dependencies

No direct system dependencies.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged test_robot_hardware at Robotics Stack Exchange

No version for distro indigo showing dashing. Known supported distros are highlighted in the buttons above.

Package Summary

Tags No category tags.
Version 0.0.1
License Apache License 2.0
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/ros-controls/ros2_control.git
VCS Type git
VCS Version dashing
Last Updated 2020-02-06
Dev Status DEVELOPED
CI status No Continuous Integration
Released RELEASED
Tags No category tags.
Contributing Help Wanted (0)
Good First Issues (0)
Pull Requests to Review (0)

Package Description

Description of test_robot_hardware

Additional Links

No additional links.

Maintainers

  • Karsten Knese

Authors

No additional authors.
README
No README found. See repository README.
CHANGELOG

Changelog for package test_robot_hardware

0.0.1 (2020-02-05)

  • Dashing compatibility #2 from ros2/test_robot_hardware
  • Contributors: Bence Magyar, Karsten Knese

Wiki Tutorials

This package does not provide any links to tutorials in it's rosindex metadata. You can check on the ROS Wiki Tutorials page for the package.

Package Dependencies

System Dependencies

No direct system dependencies.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged test_robot_hardware at Robotics Stack Exchange

No version for distro hydro showing dashing. Known supported distros are highlighted in the buttons above.

Package Summary

Tags No category tags.
Version 0.0.1
License Apache License 2.0
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/ros-controls/ros2_control.git
VCS Type git
VCS Version dashing
Last Updated 2020-02-06
Dev Status DEVELOPED
CI status No Continuous Integration
Released RELEASED
Tags No category tags.
Contributing Help Wanted (0)
Good First Issues (0)
Pull Requests to Review (0)

Package Description

Description of test_robot_hardware

Additional Links

No additional links.

Maintainers

  • Karsten Knese

Authors

No additional authors.
README
No README found. See repository README.
CHANGELOG

Changelog for package test_robot_hardware

0.0.1 (2020-02-05)

  • Dashing compatibility #2 from ros2/test_robot_hardware
  • Contributors: Bence Magyar, Karsten Knese

Wiki Tutorials

This package does not provide any links to tutorials in it's rosindex metadata. You can check on the ROS Wiki Tutorials page for the package.

Package Dependencies

System Dependencies

No direct system dependencies.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged test_robot_hardware at Robotics Stack Exchange

No version for distro kinetic showing dashing. Known supported distros are highlighted in the buttons above.

Package Summary

Tags No category tags.
Version 0.0.1
License Apache License 2.0
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/ros-controls/ros2_control.git
VCS Type git
VCS Version dashing
Last Updated 2020-02-06
Dev Status DEVELOPED
CI status No Continuous Integration
Released RELEASED
Tags No category tags.
Contributing Help Wanted (0)
Good First Issues (0)
Pull Requests to Review (0)

Package Description

Description of test_robot_hardware

Additional Links

No additional links.

Maintainers

  • Karsten Knese

Authors

No additional authors.
README
No README found. See repository README.
CHANGELOG

Changelog for package test_robot_hardware

0.0.1 (2020-02-05)

  • Dashing compatibility #2 from ros2/test_robot_hardware
  • Contributors: Bence Magyar, Karsten Knese

Wiki Tutorials

This package does not provide any links to tutorials in it's rosindex metadata. You can check on the ROS Wiki Tutorials page for the package.

Package Dependencies

System Dependencies

No direct system dependencies.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged test_robot_hardware at Robotics Stack Exchange

No version for distro melodic showing dashing. Known supported distros are highlighted in the buttons above.

Package Summary

Tags No category tags.
Version 0.0.1
License Apache License 2.0
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/ros-controls/ros2_control.git
VCS Type git
VCS Version dashing
Last Updated 2020-02-06
Dev Status DEVELOPED
CI status No Continuous Integration
Released RELEASED
Tags No category tags.
Contributing Help Wanted (0)
Good First Issues (0)
Pull Requests to Review (0)

Package Description

Description of test_robot_hardware

Additional Links

No additional links.

Maintainers

  • Karsten Knese

Authors

No additional authors.
README
No README found. See repository README.
CHANGELOG

Changelog for package test_robot_hardware

0.0.1 (2020-02-05)

  • Dashing compatibility #2 from ros2/test_robot_hardware
  • Contributors: Bence Magyar, Karsten Knese

Wiki Tutorials

This package does not provide any links to tutorials in it's rosindex metadata. You can check on the ROS Wiki Tutorials page for the package.

Package Dependencies

System Dependencies

No direct system dependencies.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged test_robot_hardware at Robotics Stack Exchange

No version for distro noetic showing dashing. Known supported distros are highlighted in the buttons above.

Package Summary

Tags No category tags.
Version 0.0.1
License Apache License 2.0
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/ros-controls/ros2_control.git
VCS Type git
VCS Version dashing
Last Updated 2020-02-06
Dev Status DEVELOPED
CI status No Continuous Integration
Released RELEASED
Tags No category tags.
Contributing Help Wanted (0)
Good First Issues (0)
Pull Requests to Review (0)

Package Description

Description of test_robot_hardware

Additional Links

No additional links.

Maintainers

  • Karsten Knese

Authors

No additional authors.
README
No README found. See repository README.
CHANGELOG

Changelog for package test_robot_hardware

0.0.1 (2020-02-05)

  • Dashing compatibility #2 from ros2/test_robot_hardware
  • Contributors: Bence Magyar, Karsten Knese

Wiki Tutorials

This package does not provide any links to tutorials in it's rosindex metadata. You can check on the ROS Wiki Tutorials page for the package.

Package Dependencies

System Dependencies

No direct system dependencies.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged test_robot_hardware at Robotics Stack Exchange