salman_tan的博客

以下可以做成一个脚本一键下载安装ROS注意我的是ubuntu18安装的melodic。Ubuntu1604是要安装kinetic版本。sudo sh -c '. /etc/lsb-release && echo "deb http://mirrors.tuna.tsinghua.edu.cn/ros/ubuntu/ `lsb_release -cs` main" > /...

centos中运行程序出现'GLIBCXX_3.4.21' not found首先检查gcc版本升级gcc到5.4首先检查gcc版本gcc -v我的版本是4.8*，需要升级升级gcc到5.4安装所需工具：yum groupinstall "Development Tools"yum install glibc-static libstdc++-static下载gcc：http:...

c/c++中位与运算&代替取模运算%取模运算所需的时间大约是位与运算的十倍。当模的大小是2的N次方时，可用位与运算代替取模运算：unsigned int modNum = 1024; // 2的N次方unsigned int x = 4321;unsigned int a = x % modNum;unsigned int b = x & (modNum - 1);...

安装了ros但是运行roscore出现错误：The program 'roscore' is currently not installed. You can install it by typing: sudo apt install pyt解决方法：source /opt/ros/kinetic/setup.bash/opt/ros/kinetic/./setup.bashsudo...