Sharing notes from my ongoing learning journey — what I build, break and understand along the way.
Practice IP Subnetting — Interactive Trainer for Fast, Hands-On Drills I’m studying networking and I believe the only way to really learn subnetting is lots of practice. Theory is fine, but speed and accuracy come from repetition. I wrote this…
Understanding VPN and Tunneling in Depth What Is a VPN? A VPN (Virtual Private Network) is a method of creating a secure, encrypted, and logical “private network” over an untrusted network (most commonly the internet).Its main goals are: Common Uses…
Understanding Public and Private Networks in Depth One of the invisible yet most critical parts of our daily lives are networks. Whether we connect to the internet, talk on the phone, send a file to an office printer, or watch…
Understanding Modem, Router, Switch and Access Point When it comes to using the internet at home or at work, a few device names keep popping up: modem, router, switch, and access point. These names often get mixed up, and since…
Comparing Python and Go: Performance, Simplicity, and When to Use Each When I first started learning programming, the two languages I kept hearing about were Python and Go. Python has been around for a long time; it shows up in…
RAID Explained: From Basics to Advanced Insights When we came to the topic of RAID in class, I realized that this is not just a technical concept, but something that touches the very heart of computing. On one hand, it’s…
AI, ML, and DL Explained Simply: What They Are and How They Connect If you’re into technology, chances are you’ve seen these three acronyms a lot: AI, ML, and DL. They pop up in conferences, LinkedIn posts, and even when…
TLS vs SSL: How It Works and Why It Matters When sending and receiving data on the internet, there are three basic things we want: SSL (Secure Sockets Layer) was originally created to meet these needs. However, SSL is now…
Cookies & Sessions: The Beginner-Friendly Security Guide Cookies & Sessions on the Web: The Story Behind “Remember Me” Quick summary: A cookie in your browser is a tiny note; a session on the server is the actual file that remembers…
Understanding CPU Cache vs RAM: Speed, Technology, and Memory Hierarchy Since I started learning about computer architecture, one of the things that surprised me the most is this: CPUs are insanely fast, but RAM can’t keep up. That’s why we…