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  • A Comprehensive Guide to Git and GitHub for Beginners

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    NOTE: You can translate this article into any of the 133 languages of your choice from the TRANSLATE dropdown in the header for better understanding.

    Introduction

    Git and GitHub are essential tools for modern software development, enabling version control, collaboration, and deployment. This guide will walk you through the basics of Git and GitHub, covering command-line usage, key commands, the GitHub user interface, version control concepts, and more.

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    What is Git?

    Git is a distributed version control command line software system that tracks changes to files in your codebase. It allows multiple developers to work on a project simultaneously without interfering with each other’s changes.

    What is GitHub?

    GitHub is a web-based GUI hosting service platform for Git repositories that uses Git for version control. It provides a user-friendly interface to manage Git repositories, view file changes, collaborate with others, and integrate additional features like issue tracking, CI/CD, and project management tools.

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    Installing Git

    To start using Git, you need to install it on your computer.

    Windows:

    • Download the Git installer from git-scm.com.
    • Run the installer and follow the setup instructions.

    MacOS:

    Install Git using Homebrew:

    brew install git

    Linux:

    Use your package manager (e.g., apt for Ubuntu):

    sudo apt-get install git

    Basic Git Commands

    Initialize a Repository

    To start tracking a project with Git, you need to initialize a repository.

    git init

    Check Repository Status

    To see the current state of your repository, use:

    git status

    Clone a Repository

    To make a copy of an existing repository:

    git clone <repository_url>

    Add Changes

    To add files to the staging area:

    git add <file_name>

    To add all changes:

    git add .

    Commit Changes

    To commit the staged changes:

    git commit -m "Commit message"

    Push Changes

    To upload your changes to a remote repository:

    git push origin <branch_name>

    Pull Changes

    To fetch and merge changes from the remote repository:

    git pull origin <branch_name>

    Working with GitHub

    Creating a Repository

    1. Go to GitHub and log in.
    2. Click on the "+" icon in the top right corner and select "New repository".
    3. Fill in the repository name and description.
    4. Choose the visibility (public or private).
    5. Click "Create repository".

    GitHub User Interface

    • Code: Browse the files in the repository.
    • Issues: Track bugs and feature requests.
    • Pull Requests: Manage contributions from others.
    • Actions: Set up CI/CD workflows.
    • Projects: Organize and prioritize work.

    Version Control Concepts

    Branching

    Branches allow you to work on different versions of a project simultaneously.

    git branch <branch_name>
    git checkout <branch_name>

    To create and switch to a new branch in one command:

    git checkout -b <branch_name>

    Merging

    To merge changes from one branch into another:

    git checkout <target_branch>
    git merge <source_branch>

    Handling Conflicts

    Conflicts occur when changes in different branches conflict. Git will prompt you to resolve these conflicts manually before you can complete a merge.

    Pull Requests

    A pull request (PR) is a way to propose changes to a repository. It allows other contributors to review and discuss the changes before merging.

    1. Push your changes to a new branch on GitHub.
    2. Go to the repository on GitHub.
    3. Click "Compare & pull request".
    4. Add a title and description for your PR.
    5. Click "Create pull request".

    Continuous Integration and Deployment (CI/CD)

    CI/CD automates the process of testing and deploying your code.

    • CI (Continuous Integration): Automatically test code changes.
    • CD (Continuous Deployment/Delivery): Automatically deploy changes to production.

    GitHub Actions is a popular CI/CD tool integrated into GitHub. You can define workflows in a .github/workflows directory in your repository.

    Testing

    Automated tests ensure that your code works as expected. Common testing frameworks include:

    • JUnit for Java
    • pytest for Python
    • Jest for JavaScript

    Integrate your tests into your CI/CD pipeline to automatically run them on every commit.

    What is Git & Github?🤔 #shorts

     

    How Git Works: Explained in 4 Minutes

     

    Git MERGE vs REBASE: Everything You Need to Know in 4 Minutes

     

    Complete Git & GitHub in 1 hour | Vamsi Bhavani | A to Z in Git Github (TELUGU)

     

    Complete Git and GitHub Tutorial for Beginners (HINDI)

     

    Git and GitHub Tutorial | The Ultimate Guide to VC, Branching, Merging & Pull Request (TAMIL)

     

    Git and GitHub Tutorial for Beginners

     

    **** Git And GitHub Full Course In 3 Hours | Git And GitHub Tutorial For Beginners | Simplilearn

     

    Git and GitHub for Beginners - Crash Course

     

    Complete Git and GitHub Tutorial

     

    Git Tutorial for Beginners: Learn Git in 1 Hour

     

    Git Branching and Merging - Detailed Tutorial

    https://www.youtube.com/watch?v=Q1kHG842HoI

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    Git MERGE vs REBASE

     

    INTERMEDIATE: Git for Professionals Tutorial - Tools & Concepts for Mastering Version Control with Git


    Conclusion

    Git and GitHub are powerful tools that streamline the development process, improve collaboration, and ensure code quality. This guide covers the basics, but there's much more to learn. Practice using Git commands, explore GitHub's features, and start contributing to projects to gain more experience. Happy coding!

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