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You want to join Tech? If you can't use Git...Prepare to be hit 💫🖤

In a big company, you don't work alone! 1 set of code may be solved by hundreds of people at once!

Why use Git?

• Teamworks: Prevent code overlap until the system is broken

• Accountability: I know who wrote which line. If Buck shows up, prepare to be git blamed!

• Code Review: Pull Request is required before the code can enter the system.

💡 4 "tricky" commands that need to be fluent:

1. Git clone: Go to copy the project from our server

2. GIT checkout -b: Split parallel worlds to make new features alone

3. GIT commit -m: Paste a sign recording what we've done.

4. Git push: Send a job up the Cloud. Let your team friends see our excellency!

Who has the most common Git command? Type and share. 👇✨

# Pythonprogramming # programmer # data aanalyst # Developer # learnonlemon8

1/10 Edited to

... Read moreหลายคนเริ่มหัดเขียนโค้ดได้แล้ว แต่พอสมัครงาน/ฝึกงานสาย Tech จะเจอคำถามคลาสสิกเลยว่า “Git คืออะไร” หรือ “ใช้ Git เป็นไหม” เพราะในบริษัทจริงเราแทบไม่ได้ทำงานคนเดียว โค้ดชุดเดียวกันอาจมีคนแตะพร้อมกันหลายคน ถ้าไม่มีเครื่องมือคุมเวอร์ชัน โอกาสโค้ดทับกันหรือเผลอลบของคนอื่นคือสูงมาก Git คือระบบควบคุมเวอร์ชัน (Version Control) แบบกระจาย (Distributed) ที่ช่วย “เก็บประวัติการเปลี่ยนแปลงโค้ด” เป็นช่วง ๆ ทำให้เราย้อนกลับไปดูหรือกลับไปใช้เวอร์ชันเก่าได้ และทำงานร่วมกับทีมได้เป็นระบบ พูดง่าย ๆ คือ Git ทำให้การทำงานร่วมกันปลอดภัยขึ้น และตรวจสอบได้ว่าใครแก้อะไรไว้ตอนไหน ทำไมบริษัท Tech ถึงต้องใช้ Git (สรุปแบบเข้าใจง่าย): - Teamwork: ทุกคนทำงานบนโปรเจกต์เดียวกันได้ โดยแยกงานเป็นสาขา (branch) ลดการชนกันของโค้ด - Accountability: มีประวัติชัดเจนว่า commit ไหนใครทำ ถ้าบั๊กเกิดก็ไล่ดูได้ (เช่นใช้ git blame) - Code Review: โค้ดมักต้องผ่าน Pull Request (PR) ให้เพื่อนตรวจ ก่อน merge เข้า main/master เพื่อคุณภาพและความปลอดภัย ตัวอย่างสถานการณ์จริง (สมมติทำฟีเจอร์ Login): 1) เริ่มจากดึงโปรเจกต์ลงเครื่องด้วย git clone (ได้โค้ดทั้งหมดพร้อมประวัติ) 2) ก่อนทำงาน สร้าง branch ใหม่ เช่น git checkout -b feature/login เพื่อไม่ไปรบกวนโค้ดหลัก 3) ทำโค้ดเสร็จเป็นช่วง ๆ แล้วบันทึกด้วย git commit -m "add login form" (แนะนำให้เขียนข้อความ commit ให้สื่อว่าเราทำอะไร) 4) ส่งขึ้นรีโมตให้ทีมเห็นด้วย git push จากนั้นค่อยเปิด PR ให้รีวิว ถ้าเพื่อนในทีมแก้อะไรไปก่อนหน้า แนะนำให้ “ดึงของล่าสุด” มาเช็คเป็นระยะ ๆ (อันนี้มือใหม่พลาดบ่อย): - ใช้ git pull เพื่ออัปเดตโค้ดจากรีโมตเข้ามาใน branch ของเรา ลดปัญหาตอนจะ merge แล้วคอนฟลิกต์หนัก ๆ ทิปเล็ก ๆ ที่ช่วยให้ใช้ Git ได้โปรขึ้นเวลาเข้าบริษัท: - ทำงานเป็นชิ้นเล็ก ๆ แล้ว commit บ่อย ๆ จะย้อนแก้ง่ายกว่าทำทีเดียวก้อนใหญ่ - ตั้งชื่อ branch ให้สื่อความหมาย เช่น feature/login, fix/bug-123 - ก่อน push ลองรันเทสต์/เช็คบิลด์ (ถ้ามี) ลดโอกาส PR ตก ถ้าคุณตอบได้ว่า Git คืออะไร + ทำไมต้องใช้ + ใช้คำสั่งพื้นฐานอย่าง clone/checkout -b/commit/push/pull ได้คล่อง โอกาสผ่านด่านสัมภาษณ์และทำงานกับทีมได้ลื่นขึ้นเยอะเลย

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