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Some notes if for any pair of nodes, we can traverse from node A to node B, then it is strongly connected graph diameter means the longest distance of…
Mo Shan
Today I was asked how to remap a ROS tf to another one. Normally I would use static_transform_publisher, which could publish an identical transform of…
Mo Shan
The Simple Ways to Refactor Terrible Code https://towardsdatascience.com/the-simple-ways-to-refactor-terrible-code-983f563964fc 代码重构新手教程：如何将烂代码变成好代码？…
Mo Shan
For ROS2 development, it is common to use Docker, here are the resources Docker — 从入门到实践 https://vuepress.mirror.docker-practice.com/# Docker 技术入门与实战…
Mo Shan
ROS2 Robotics Developer Course - Using ROS2 In Python https://www.udemy.com/course/ros2-robotics-developer-course-using-ros2-in-python/ ECE 5463…
Mo Shan
closure can choose to only capture some namespace previously closure cannot just capture tom.title, it needs to capture the entire Emploee structure…
Mo Shan
We can use the unsafe functions like this use std::collections::HashMap; fn main() { let map = HashMap::new(); let mut map = explain("empty", map…
Mo Shan
serde it can serialize and deserialize many data structures to yaml, toml, etc #[derive(Serialize, Deserialize)] pub struct User { id: String, name…
Mo Shan
impl Executor is the generic parameter &dyn Executor and Box<dyn Executor> are trait objects &dyn Executor is on stack Box<dyn Executor> is on heap use…
Mo Shan
If we want to define two different classes, user and product, and we want to make sure that we cannot compare their ids directly, we might try…
Mo Shan
Natural Biotechnology What is Bayesian statistics Alice and Bob are playing a game, the player that scores 6 first wins. A ball will be placed on a…
Mo Shan
About 极客时间 rust第一课笔记 repo https://github.com/tyrchen/geektime-rust Foundation at compile time, the variables that we do not know the exact size, or the…
Mo Shan
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