some learning resource for C++ 11

博客提供了一个关于C++11的文章链接,可通过该链接http://www.cplusplus.com/articles/cpp11/获取C++11相关内容。

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http://www.cplusplus.com/articles/cpp11/
### ROS2 C++ Topic Communication Learning Materials and Tutorials For those interested in exploring how to use topics for communication within the ROS2 framework using C++, several resources provide comprehensive guidance on this subject. The official documentation of ROS 2 offers an extensive tutorial that covers setting up publishers and subscribers with detailed explanations and code examples written in C++. This resource is invaluable as it not only explains the theory but also provides practical steps necessary to establish topic-based communications between nodes[^1]. Additionally, a popular choice among developers includes tutorials available from Robot Ignite Academy which presents step-by-step instructions alongside video demonstrations specifically tailored towards understanding message passing through topics via C++ interfaces in ROS2 environments. These sessions are designed to cater both beginners who need foundational knowledge about ROS concepts along with more advanced users looking into optimizing their applications' performance when dealing with real-time data exchange over networks. Another noteworthy mention goes out to Open Robotics’ own set of educational materials where one can find well-documented samples illustrating various aspects related to working with messages across different programming languages including C++; these documents often include best practices recommendations ensuring efficient utilization while adhering closely to community standards established around ROS ecosystem development processes. ```cpp // Example Code Snippet Demonstrating Basic Publisher Node Implementation Using rclcpp Library In C++ #include "rclcpp/rclcpp.hpp" using namespace std::chrono_literals; int main(int argc, char * argv[]) { rclcpp::init(argc, argv); auto node = rclcpp::Node::make_shared("example_publisher"); auto publisher = node->create_publisher<std_msgs::msg::String>("topic", 10); auto msg = std_msgs::msg::String(); msg.data = "Hello, world!"; rclcpp::WallRate loop_rate(1s); // Publish every second while (rclcpp::ok()) { RCLCPP_INFO(node->get_logger(), "Publishing: '%s'", msg.data.c_str()); publisher->publish(msg); rclcpp::spin_some(node); loop_rate.sleep(); } rclcpp::shutdown(); } ```
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