Feb 15 · 5 min read · How Git Actually Works (And What’s Inside the .git Folder) When I first started using Git, I treated it like a command machine. git addgit commitgit push It worked. I didn’t question it. But once I understood what’s inside the .git folder, Git stoppe...
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Feb 6 · 5 min read · 在 eBPF 开发中，辅助函数（Helper Functions）是连接沙箱代码与内核原生的唯一桥梁， 辅助函数既不是动态加载的插件，也不是脆弱的符号引用。它们是在内核启动那一刻，由引导代码根据链接脚本的‘施工图’，强行焊接在内存只读区域的物理基石。 本文起源于我在开发ebpf程序时思考辅助函数到底是什么？它和内核提供的其他函数有什么区别？ 。 本文记录了我是如何通过源码分析、逆向思考和底层调试，一步步打通 eBPF 辅助函数逻辑的全过程。所有的代码均出自于5.15.0-139内核源码 第一...
Join discussionFeb 4 · 4 min read · Before means like a long time back people used to send letter through the mail. The envelope was transparent . Anyone without ethics could actually read it (anyone in the middle ) . But Whatsapp is different . it used something called as End to End E...
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Dec 8, 2025 · 5 min read · This article started from a tweet. Someone on Twitter said they "lowkey want to understand the technology behind Google Authenticator" and I dropped a quick reply - explaining that it's basically TOTP: your device and the server share a secret key, b...
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Jul 12, 2025 · 9 min read · Have you ever wondered how your messages travel across the internet? Let's imagine the internet as a giant postal system, where kids in different rooms of different houses are writing letters to each other. This simple analogy will help you understan...
Join discussionOct 15, 2024 · 5 min read · Picture this: Millions of developers from across the globe collaborate to shape the apps and websites you use daily. What powers this global collaboration? GitHub is the platform that revolutionized how we code and interact with open-source software....
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Oct 4, 2024 · 3 min read · A website is a collection of web pages that are accessible via the internet. You can access the web pages (Webpage is a single document or file) using URL or domain name of a particular website. Collection of web pages make up a website. URL to acces...
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Aug 28, 2024 · 4 min read · In the high-stakes world of live sports streaming, where millions of fans are glued to their screens, the ability to control and adapt your platform in real-time is crucial. JioCinema, India's leading streaming service for the Indian Premier League (...
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Aug 28, 2024 · 4 min read · In the world of live sports streaming, few events match the scale and intensity of the Indian Premier League (IPL). With millions of cricket fans eagerly tuning in to watch their favorite teams and players, the pressure on streaming platforms is imme...
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