NSNishu Singhinnishutechdiary.com·Jan 24 · 4 min readDNS : In DepthDNS Explained with dig: From Root Servers to Google.com When you type google.com into your browser, a surprising amount of distributed system machinery spins up behind the scenes.At the heart of it all is DNS — the Domain Name System. This article br...00
NSNishu Singhinnishutechdiary.com·Jan 17 · 3 min readWhy Version Control Exists: The Pendrive Era of Software Development 💾Before Git, GitHub, and modern collaboration tools, software development looked very different — and honestly, a bit chaotic. If you’ve ever seen folders named final, final_v2, or latest_final_REAL, then you already understand why version control exi...00
NSNishu Singhinnishutechdiary.com·Jan 17 · 4 min readHow Git Works Internally: Building a Mental Model 🧠Most developers learn Git by memorizing commands like git add and git commit.But Git becomes much easier once you understand what’s happening under the hood. In this article, we’ll explore: What the .git folder really is How Git stores data interna...00
NSNishu Singhinnishutechdiary.com·Jan 16 · 3 min readGit for Beginners: A Simple Guide to Version ControlIf you’re starting your developer journey, one of the first tools you’ll hear about is Git.Git helps you track changes in your code, collaborate with others, and safely experiment without fear of losing work. This article explains what Git is, why it...00
