Hi, I'm Raquib Reyaz, a software developer focused on building scalable web applications with Node.js, React.js, and JavaScript. I’m passionate about creating seamless user experiences and tackling complex problems. I've worked on various projects, including a full-featured eCommerce platform, and I’m currently exploring TypeScript and serverless architecture. When I'm not coding, I contribute to open-source projects and share knowledge with the developer community. Let's connect!
Available for freelance development, open-source contributions, internships, or full-time roles in Node.js, React.js, and TypeScript.
Dec 25, 2025 · 10 min read · Introduction You've just created a file, and now your teammate can't read it. You change the permissions with chmod 755, but a critical config file still won't open. You run chmod 000 on a sensitive file thinking no one can access it—except root stil...
Join discussionDec 23, 2025 · 8 min read · Linux Users, Groups, and Others: The Complete Guide to File Permissions Introduction You're trying to access a file in your colleague's home directory. You have read and execute permissions on the file itself, but you still get a "Permission denied" ...
Join discussionFeb 19, 2025 · 11 min read · Understanding Node.js Execution Model Node.js is built on a single-threaded, non-blocking I/O model, making it efficient for handling concurrent operations. Let's break down the concepts that shape its architecture. I/O is Slow I/O (Input/Output) op...
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