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  • What is GitHub?

  • Well, GitHub is a platform that helps people solve problems

  • by building software together.

  • So, how does it work?

  • This is Sam.

  • Sam works on tractors all day,

  • but not in the way you might be thinking.

  • She builds the software that helps make

  • tractors more efficient.

  • And she does this on GitHub,

  • with the help of her team: Vijay, Melinda, and Mike.

  • Now, even though they all work on the same project,

  • Sam and her team don't all work in the same part of the world.

  • This is Eddie.

  • Eddie also works on tractors all day.

  • Except, he actually works on the tractors, all day.

  • And this, is the Harvester L700.

  • It's the latest flagship in the company's fleet of tractors.

  • It's full of sensors and processors that produce a ton of diagnostic data.

  • Eddie has a great idea for how farmers might share their data

  • and improve their harvests.

  • So Eddie opens an issue on GitHub.

  • Issues are discussion threads where people can report bugs,

  • request features, or even just ask questions.

  • Sam is the first one on her team to see Eddie's issue,

  • and she thinks that Vijay would be the best person to start the job.

  • And here's where we get into the nuts and bolts.

  • Eddie isn't the only person using the Harvester L700.

  • All over the world, other tractors are collecting moisture data.

  • And they need to keep running smoothly,

  • even while Vijay is working on the new features.

  • He needs a dedicated place to experiment,

  • so none of his changes end up on the farm

  • before they are ready.

  • So he creates a branch of the code, an alternate timeline

  • where he can safely make changes to the software.

  • Now he's ready to start writing the new feature.

  • GitHub tracks Vijay's changes and saves snapshots of his progress.

  • When he's ready to collaborate on the changes with his team,

  • he opens a pull request on GitHub.

  • Pull requests let you show others the changes you're proposing

  • so they can review and discuss them.

  • This means Vijay's teammates can help with roadblocks,

  • and even make improvements.

  • On GitHub, everyone has a copy of the project.

  • So if Melinda has an idea for something

  • that will help make Vijay's work even better,

  • she can add it to the branch herself.

  • GitHub keeps a record of everyone's contributions and feedback

  • in the pull request,

  • alongside relevant messages from the team's other systems.

  • Once the team has signed off on the changes,

  • Vijay can incorporate the new code into the project.

  • The new feature will be available to everyone,

  • as soon as he merges it in.

  • Now farmers everywhere can all benefit

  • from Eddie's great idea.

  • But this is really only the beginning of the story.

  • Because GitHub is the largest community of developers in the world,

  • with millions of people sharing their projects,

  • Eddie's idea could end up helping people

  • in unimaginable ways.

  • What kinds of problems are you trying to solve?

  • Whether you're an engineer, a code enthusiast,

  • or even a farmer trying to harvest grain,

  • software touches every corner of our lives.

  • GitHub, is where people build that software.

  • It's how they build software,

  • together.

What is GitHub?

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What is GitHub?

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    羅仕瑋 posted on 2021/07/26
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