ROS2 Client Libraries Cheetsheet
Using colcon to build packages
sudo apt install python3-colcon-common-extensions
col……
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ROS2 CLI Cheetsheet
Configuring environment
source /opt/ros/foxy/setup.bash
echo “source /opt/ros/foxy/setup.bash”……
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Useful Stuffs for Cloud Computing
Tmux
install
start new
attach
detach
list sessions
kill session
kil……
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Data Structures by LeetCode
Arrays and strings
Two pointers
Example 1: Given a string s, return true if it is a palindrome……
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Advanced Dynamics
exam 2 – note #4, #5
the number of degrees of freedom
real displacement vs. virtual……
Set different scale for different monitors on Ubuntu
In the display setting, toggle on the “Fractional Scaling” will allow you to have different scales o……
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adobe acrobat pro 将“适合宽度滚动”设为默认
缘由
适合宽度滚动很爽，但是每次打开文件都会变回文件默认的显示方式
解决
编辑-首选项-辅助工具-在“忽略页面显示”栏目下勾选“总是使用页面布局样式”-在下拉框中选择“单页连续”
……
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error while loading shared libraries: libstdc++-libc6.2-2.so.3: cannot open shared object file: No such file or directory
Problem
Executing binary file throws the error given in the title
Solution
In case the fi……
bash: ./binary: No such file or directory
Problem
The binary file exists in the directory, it has exec permission, but it doesn’t run and t……
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Run .ksh file in Ubuntu
Problem
The PISA package have a demo “run.ksh”, I would like to run it on my Ubuntu
Running it……
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Notes on some tools in PISA
Motivation
Programming Language Independence Interface(PISA) provides many useful tools for multi……
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