Wei HU

The drake_cmake_installed example Particle does not plot in visualizer

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# How to reproduce - Clone and change directory to [particle example](https://github.com/RobotLocomotion/drake-external-examples/tree/main/drake_cmake_installed/src/particles) - mkdir build && cd build && cmake .. && make - Terminal 1: `/opt/drake/bin/drake-visualizer`; Terminal 2: `./uniformly_accelerated_particle`...

How to configure prebuilds with the python image correctly? (Docs: Tips on using the images)

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I am configuring a project to have its dependencies set up automatically. We know that `tasks[n].init` and `tasks[n].before` can help with this. Besides, we know that only those cached in...

Tests on Windows falsely positive reporting passed due to SIGINT handling

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## Bug report **Required Info:** - Operating System: Windows - Installation type: Binary through Robostack/ms-iot - Version or commit hash: humble - DDS implementation: the default bundled one - Client...

Share whole Conversation

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Hi, thank you for open-sourcing the nice project. I am writing this feature request issue to suggest the addition of a share function in the project. I believe that this...

[BUG]: Function with Param of type `const Eigen::VectorXd&` causes "windows fatal exception: access violation" on Windows

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### Required prerequisites - [X] Make sure you've read the [documentation](https://pybind11.readthedocs.io). Your issue may be addressed there. - [X] Search the [issue tracker](https://github.com/pybind/pybind11/issues) and [Discussions](https:/pybind/pybind11/discussions) to verify that this hasn't...

Program exits with code -11 when using async_send_request to set parameters in ROS 2 C++ client

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## Bug report **Required Info:** - Operating System: - Ubuntu 22.04 - Installation type: - binary (apt) - Version or commit hash: - humble - DDS implementation: - default -...

What is the difference between `onCreateCommand`, `updateContentCommand ` and `postCreateCommand`?

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From https://containers.dev/implementors/json_reference/#lifecycle-scripts: all these commands will be executed after the container is created and before it is started. What is the difference between them other than their order of execution?...

Get Images from Meshcat

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The meshcat-python has a function that is quite useful in visualization. It can directly capture the images in the visualizer. See: https://github.com/rdeits/meshcat-python/blob/cd04af433f2196af2c1fa8d52457298938b9a838/src/meshcat/visualizer.py#L71-L80 It seems that Drake's C++ implementation of meshcat...

particles example doesn't visualize because it incorrectly uses AllocateContext

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### What happened? As I have raised in https://github.com/RobotLocomotion/drake-external-examples/issues/233, I found that the particle example did not draw in the visualizer. The example in the drake-external-examples repo is the same...

Avoid too many characters cached in buffer

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# Issue Description Recently, I've encountered an issue that the launch test (added with `add_ros_test` with a launch.py file) hangs indefinitely. After investigation, I found that it was stuck at...