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Mastering git, Part 14, Git Large File Storage

Leave a Comment / Git, Tutorials / admin

Git Large File Storage LFS Git LFS is an extension for Git that allows you to efficiently manage large files and binary files in a Git repository. Install Git LFS

sudo apt-get install git-lfs

1	sudo apt-get install git-lfs

Ensure Git LFS is installed, you can check by running:

git lfs

git lfs

Initialize Git LFS in Your Repository After installing Git LFS, navigate to your

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Bringing Rviz from container to host

Leave a Comment / Docker, ROS / admin

First, set the permissions:

xhost +local:

1	xhost +local:

Then create the container and give it a name, do not forget –privileged :

docker run -v /home/$USER/:/home/$USER/ -v /tmp/.X11-unix:/tmp/.X11-unix --name ros2 -e DISPLAY=$DISPLAY -e QT_X11_NO_MITSHM=1 --network=host --privileged -it ros:humble-perception-jammy bash

1	docker run -v /home/$USER/:/home/$USER/ -v /tmp/.X11-unix:/tmp/.X11-unix --name ros2 -e DISPLAY=$DISPLAY -e QT_X11_NO_MITSHM=1 --network=host --privileged -it ros:humble-perception-jammy bash

If you have already created that container, just start it

docker start -i ros2

1	docker start -i ros2

or you can create a temporary container to get deleted after exit:

docker run -v /home/$USER/:/home/$USER/ -v /tmp/.X11-unix:/tmp/.X11-unix    -e DISPLAY=$DISPLAY -e QT_X11_NO_MITSHM=1 --network=host   --privileged  --rm -it   ros:humble-perception-jammy   bash

1	docker run -v /home/$USER/:/home/$USER/ -v /tmp/.X11-unix:/tmp/.X11-unix -e DISPLAY=$DISPLAY -e QT_X11_NO_MITSHM=1 --network=host --privileged --rm -it ros:humble-perception-jammy bash

Install camera packages:

source "/opt/ros/$ROS_DISTRO/setup.bash"
echo ${ROS_DISTRO}
apt update
apt-get install ros-${ROS_DISTRO}-v4l2-camera

source "/opt/ros/$ROS_DISTRO/setup.bash"

echo ${ROS_DISTRO}

apt update

apt-get install ros-${ROS_DISTRO}-v4l2-camera

Now stream the camera from the container:

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Mastering git, Part 17, git repository layout and Git Objects

Leave a Comment / Git, Tutorials / admin

1. The .git Directory When you initialize a new Git repository with git init, Git creates a .git directory in your project. This directory is where almost all of the information that Git needs and uses is stored. It includes: Objects: The objects directory stores all the content of your files, but in a format

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Mastering git, Part 14, git-flow and GitHub flow

Leave a Comment / Git, Tutorials / admin

Git-Flow and GitHub Flow Both Git-Flow and GitHub Flow are workflow models that guide how software development teams use Git for version control. Each has its own structure and rules for managing branches, which can influence how teams collaborate and deploy software. Git-Flow Git-Flow is a branching model for Git, designed by Vincent Driessen. It

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Mastering git, Part 13, Detached HEAD in Git

Leave a Comment / Git, Tutorials / admin

Detached HEAD Before everything, let’s have a look at some stuff. Everything in Git is about commits, and many git commands accept commits as a parameter, i.e.

git checkout <HASH-ID>

1	git checkout <HASH-ID>

We have to understand how to reference commits. Hash The SHA-1 hash of a commit is the most straightforward method to refer to it. In the

git log

git log

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SSH connection to Google Colaboratory and Transfering files from Google Drive

Leave a Comment / Python, Tutorials / admin

Do like to access the Google Colaboratory directly from your machine? Running your script via terminal and having shell access? Then there is a good news, just do the followings: SSH to Google Colaboratory 1. Install colab_ssh on Google Colaboratory

!pip install colab_ssh --upgrade

1	!pip install colab_ssh --upgrade

Add cloudflared and password for root user:

from colab_ssh import launch_ssh_cloudflared, init_git_cloudflared
launch_ssh_cloudflared(password="<PUT_YOUR_PASSWORD_HERE>")

1 2	from colab_ssh import launch_ssh_cloudflared, init_git_cloudflared launch_ssh_cloudflared(password="<PUT_YOUR_PASSWORD_HERE>")

2. Install cloudflared on your machine

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Developing Redis applications with C++

Leave a Comment / C++, Tutorials / admin

I have found the following libraries to develop redis applications with c++ : hiredis (only available for c) redis-plus-plus (based on hiredis, available for C++) cpp-redis Asynchronous Multi-Platform, no dependency Installation of redis-plus-plus First lets install hiredis

git clone https://github.com/redis/hiredis.git
cd hiredis
mkdir build
cd build
cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX:PATH=~/usr .. && make -j8 all install

git clone https://github.com/redis/hiredis.git

cd hiredis

mkdir build

cd build

cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX:PATH=~/usr .. && make -j8 all install

Then we install redis-plus-plus

git clone https://github.com/sewenew/redis-plus-plus.git
cd redis-plus-plus
mkdir build
cd build

cmake -DCMAKE_BUILD_TYPE=Release -DREDIS_PLUS_PLUS_BUILD_TEST=ON -DREDIS_PLUS_PLUS_CXX_STANDARD=17 -DCMAKE_INSTALL_PREFIX:PATH=~/usr .. && make -j8 all install

git clone https://github.com/sewenew/redis-plus-plus.git

cd redis-plus-plus

mkdir build

cd build

cmake -DCMAKE_BUILD_TYPE=Release -DREDIS_PLUS_PLUS_BUILD_TEST=ON -DREDIS_PLUS_PLUS_CXX_STANDARD=17 -DCMAKE_INSTALL_PREFIX:PATH=~/usr .. && make -j8 all install

Using redis-plus-plus in your application I have created the following CMake to

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Getting started with Redis

Mastering git, Part 12, git rebase

Leave a Comment / Git, Tutorials / admin

Combining Git commits with squash Imagine you have done lots of commits, i.e. several commits for fixing a bug, but you don’t need all of them, and somehow you want to meld them and squash them into a single commit. You can use rebase. Git always squashes a newer commit into an older commit or

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