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The Transformative Power of Artificial Intelligence: Shaping the Future

  The Transformative Power of Artificial Intelligence: Shaping the Future In the realm of technological advancements, few innovations have captured the world's imagination as much as Artificial Intelligence (AI). From science fiction to reality, AI has become a powerful force driving transformative changes across various industries and sectors. Its significance cannot be overstated, as it has the potential to reshape the way we live, work, and interact with our surroundings. In this blog, we delve into the importance of AI and explore the profound impact it has on our society. 1. Enhancing Efficiency and Productivity: One of the most apparent benefits of AI is its ability to boost efficiency and productivity across industries. By automating repetitive tasks, AI liberates human resources to focus on more complex and creative endeavors. Businesses can streamline processes, optimize resource allocation, and make data-driven decisions faster, resulting in cost savings and increased com...
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Why Git and GitHub ? | What is git and GitHub?

 

What’s a version control system?

A version control system, or VCS, tracks the history of changes as people and teams collaborate on projects together. As the project evolves, teams can run tests, fix bugs, and contribute new code with the confidence that any version can be recovered at any time. Developers can review project history to find out:

  • Which changes were made?
  • Who made the changes?
  • When were the changes made?
  • Why were changes needed?

What’s a distributed version control system?

Git is an example of a distributed version control system (DVCS) commonly used for open source and commercial software development. DVCSs allow full access to every file, branch, and iteration of a project, and allows every user access to a full and self-contained history of all changes. Unlike once popular centralized version control systems, DVCSs like Git don’t need a constant connection to a central repository. Developers can work anywhere and collaborate asynchronously from any time zone.

Without version control, team members are subject to redundant tasks, slower timelines, and multiple copies of a single project. To eliminate unnecessary work, Git and other VCSs give each contributor a unified and consistent view of a project, surfacing work that’s already in progress. Seeing a transparent history of changes, who made them, and how they contribute to the development of a project helps team members stay aligned while working independently.

Why Git?

According to the latest Stack Overflow developer survey, more than 70 percent of developers use Git, making it the most-used VCS in the world. Git is commonly used for both open source and commercial software development, with significant benefits for individuals, teams and businesses.

  • Git lets developers see the entire timeline of their changes, decisions, and progression of any project in one place. From the moment they access the history of a project, the developer has all the context they need to understand it and start contributing.

  • Developers work in every time zone. With a DVCS like Git, collaboration can happen any time while maintaining source code integrity. Using branches, developers can safely propose changes to production code.

  • Businesses using Git can break down communication barriers between teams and keep them focused on doing their best work. Plus, Git makes it possible to align experts across a business to collaborate on major projects.

What’s a repository?

A repository, or Git project, encompasses the entire collection of files and folders associated with a project, along with each file’s revision history. The file history appears as snapshots in time called commits, and the commits exist as a linked-list relationship, and can be organized into multiple lines of development called branches. Because Git is a DVCS, repositories are self-contained units and anyone who owns a copy of the repository can access the entire codebase and its history. Using the command line or other ease-of-use interfaces, a git repository also allows for: interaction with the history, cloning, creating branches, committing, merging, comparing changes across versions of code, and more.

Working in repositories keeps development projects organized and protected. Developers are encouraged to fix bugs, or create fresh features, without fear of derailing mainline development efforts. Git facilitates this through the use of topic branches: lightweight pointers to commits in history that can be easily created and deprecated when no longer needed.

Through platforms like GitHub, Git also provides more opportunities for project transparency and collaboration. Public repositories help teams work together to build the best possible final product.

Basic Git commands

To use Git, developers use specific commands to copy, create, change, and combine code. These commands can be executed directly from the command line or by using an application like GitHub Desktop or Git Kraken. Here are some common commands for using Git:

  • git init initializes a brand new Git repository and begins tracking an existing directory. It adds a hidden subfolder within the existing directory that houses the internal data structure required for version control.

  • git clone creates a local copy of a project that already exists remotely. The clone includes all the project’s files, history, and branches.

  • git add stages a change. Git tracks changes to a developer’s codebase, but it’s necessary to stage and take a snapshot of the changes to include them in the project’s history. This command performs staging, the first part of that two-step process. Any changes that are staged will become a part of the next snapshot and a part of the project’s history. Staging and committing separately gives developers complete control over the history of their project without changing how they code and work.

  • git commit saves the snapshot to the project history and completes the change-tracking process. In short, a commit functions like taking a photo. Anything that’s been staged with git add will become a part of the snapshot with git commit.

  • git status shows the status of changes as untracked, modified, or staged.

  • git branch shows the branches being worked on locally.

  • git merge merges lines of development together. This command is typically used to combine changes made on two distinct branches. For example, a developer would merge when they want to combine changes from a feature branch into the main branch for deployment.

  • git pull updates the local line of development with updates from its remote counterpart. Developers use this command if a teammate has made commits to a branch on a remote, and they would like to reflect those changes in their local environment.

  • git push updates the remote repository with any commits made locally to a branch.

Learn more from a full reference guide to Git commands.

CommandExplanation & Link
git commit -aStages files automatically
git log -pProduces patch text
git showShows various objects
git diffIs similar to the Linux `diff` command, and can show the differences in various commits
git diff --stagedAn alias to --cached, this will show all staged files compared to the named commit
git add -pAllows a user to interactively review patches to add to the current commit
git mvSimilar to the Linux `mv` command, this moves a file
git rmSimilar to the Linux `rm` command, this deletes, or removes a file

There are many useful git cheatsheets online as well. Please take some time to research and study a few, such as this one.

.gitignore files

.gitignore files are used to tell the git tool to intentionally ignore some files in a given Git repository. For example, this can be useful for configuration files or metadata files that a user may not want to check into the master branch. Check out more at: https://git-scm.com/docs/gitignore.

A few common examples of file patterns to exclude can be found here.

How GitHub works

GitHub builds collaboration directly into the development process. Work is organized into repositories, where developers can outline requirements or direction and set expectations for team members. Then, using the GitHub flow, developers simply create a branch to work on updates, commit changes to save them, open a pull request to propose and discuss changes, and merge pull requests once everyone is on the same page.

The GitHub flow

The GitHub flow is a lightweight, branch-based workflow built around core Git commands used by teams around the globe—including ours.

The GitHub flow has six steps, each with distinct benefits when implemented:

  1. Create a branch: Topic branches created from the canonical deployment branch (usually main) allow teams to contribute to many parallel efforts. Short-lived topic branches, in particular, keep teams focused and results in quick ships.
  2. Add commits: Snapshots of development efforts within a branch create safe, revertible points in the project’s history.
  3. Open a pull request: Pull requests publicize a project’s ongoing efforts and set the tone for a transparent development process.
  4. Discuss and review code: Teams participate in code reviews by commenting, testing, and reviewing open pull requests. Code review is at the core of an open and participatory culture.
  5. Merge: Upon clicking merge, GitHub automatically performs the equivalent of a local ‘git merge’ operation. GitHub also keeps the entire branch development history on the merged pull request.
  6. Deploy: Teams can choose the best release cycles or incorporate continuous integration tools and operate with the assurance that code on the deployment branch has gone through a robust workflow.

Click here to see some advance Git Commands  

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