spy0011.hashnode.devUnderstanding Network Devices. The Modem: The Translator Analogy: A language interpreter. Your Internet Service Provider (ISP) sends signals via fiber, cable, or phone lines. However, your computer doesn't speak "cable." The Modem (Modulator-Demodulator) takes that outside signa...6d ago·3 min read
spy0011.hashnode.devHow DNS Resolution WorksDNS Resolution Works —> 1. What is DNS and Why Name Resolution Exists? Computers communicate via IP addresses (like 142.250.190.46), but humans communicate via names (google.com). DNS (Domain Name System) is the internet's translator. Name Resolutio...6d ago·3 min read
spy0011.hashnode.devDNS Record Types ExplainedWhat is DNS? (The Internet’s Phonebook) Imagine you want to call your friend, Sam. You don't memorize Sam’s 10-digit phone number; you just look up "Sam" in your contacts. The internet works the same way. Computers communicate using long strings of n...6d ago·4 min read
spy0011.hashnode.devEmmet for HTML: A Beginner’s Guide to Writing Faster MarkupWhat is Emmet? Emmet is a free plugin built into almost every modern code editor (like VS Code). Think of it as Auto-correct for developers, but much smarter. You type a short abbreviation, hit the Tab key, and Emmet expands it into full HTML markup....Feb 1·2 min read
spy0011.hashnode.devCSS Selectors 101: Targeting Elements with PrecisionWhat is a CSS Selector? A selector is essentially a "target." It tells the browser: "Find these specific elements in the HTML and apply these styles to them." Without selectors, you couldn't distinguish between a main heading and a tiny footer link—e...Feb 1·2 min read
