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News
A-Z of how the web works: #1 Introduction
31+ min ago (1546+ words) Two simple words. You probably don't think twice before saying them. In fact, there's a good chance you are online right now. But what does "online" actually mean? Being online has become so normal that we've stopped noticing how remarkable…...
Bitcoin Seed Generator Entropy32 Plus Uses Radioactive Decay for True Randomness
2+ hour, 26+ min ago (479+ words) A Bitcoin seed generator that relies on radioactive decay for randomness has surfaced as a new open-source hardware project. The device, called Entropy32 Plus, uses a Geiger counter to capture decay events. Their timing is then processed through SHA-256 conditioning before…...
Bloom Filter: All You Need to Know
11+ min ago (677+ words) Before diving into it directly, let us first try to understand what problem we faced so this became necessary! We know about the set data structure. A hash-based …...
How the Web Works: What Happens When You Type a Website Into Your Browser?
2+ hour, 21+ min ago (1835+ words) I’m sure all of us use the web for one thing or another. But have you ever stopped to wonder how it actually works? How does typing a website into a browser suddenly make a webpage appear on your screen?...
Quick Sort: Fast Sorting with Divide and Conquer
6+ hour, 40+ min ago (1027+ words) Sorting is everywhere in software. In the previous article, we learned Merge Sort, which can sort an array in O(n log n) time. Quick Sort also uses the Divide and Conquer strategy, but it approaches the problem differently. Instead of…...
Double Pointers in C: Memory Model and Worked Examples
8+ hour, 37+ min ago (317+ words) Exam prep & CS education Here, value stores 24, p stores the address of value, and pp stores the address of p. Use the state before the assignment to 81 and track one pointer level at a time. Meaning or value before mutation This…...
How the Web Actually Works (Explained by Someone Who Just Found Out)
3+ hour, 57+ min ago (222+ words) So normally everyone knows the routine. You open your browser, click the search bar, type in whatever you’re looking for, hit enter, and there it is, a bunch of results and even more than you asked for. I’ve done this…...
The Compiler Is the Only Thing That Read the Whole Change
7+ hour, 33+ min ago (38+ words) I stopped writing most of my code, so slow builds became a cost I don’t pay and type errors became my review pass. Four apps, one Rust …...
What Happens After You Hit Enter?
8+ hour, 23+ min ago (867+ words) The mental model I wish I had when I started learning how AI actually works Written with AI assistance for drafting and editing. AI has become strangely ordinary …...
The Internet Is Held Together By Systems That Disagree With Each Other
9+ hour, 8+ min ago (36+ words) Martin Kleppmann spent 600 pages explaining why that isn’t a bug. A few years ago, I ordered a cab. The app showed the driver …...