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News
I built shared-element transitions for React Router — here’s how they work
2+ hour, 44+ min ago (703+ words) How Routeveil morphs elements between React Router routes while handling async rendering, lazy routes, scrolling, interruptions, and cleanup. Route transitions usually treat navigation as two completely separate moments: But what if the element a user clicked did not disappear? What…...
I Built a 100% Free Image Compressor & Resizer That Never Saves Your Files to Disk
4+ hour, 10+ min ago (117+ words) Hey DEV Community! 👋 As a Full-Stack Developer with 5+ years of experience building web architecture, I constantly look for ways to optimize Core Web Vitals and page speeds. Large images are usually the biggest culprit behind slow loading times. While there…...
Is Speculative Decoding's Speedup a Hardware Problem or a Model Problem?
3+ hour, 56+ min ago (279+ words) The first full gamma sweep, on an open-ended, opinion-style prompt, came back like this: Slower across the board. The accept/reject math had already been verified correct, with stable, repeatable acceptance rates and no correctness bugs, so this wasn't a…...
Building a Cross-Platform Disk Usage Analyzer in C
4+ hour, 12+ min ago (120+ words) I wanted a low-level C project that touches memory management, recursive filesystem traversal, and platform-specific APIs — so I built a terminal disk usage analyzer from scratch. No external libraries, just the C standard library and OS system calls. Bug 1 — realloc…...
🔄 The JavaScript Event Loop: From "What?" to "Oh, NOW I Get It!" (A Deep Dive)
4+ hour, 57+ min ago (1294+ words) The most misunderstood part of JavaScript — finally explained with analogies, diagrams, and zero... Tagged with javascript, node, programming, eventloop....
A Small, Annoying Reminder About MySQL, Next.js, and Reality
6+ hour, 4+ min ago (337+ words) Today's reminder that MySQL will happily let you believe you're doing everything "right" right up until it doesn't. I was wiring up a perfectly ordinary paginated query in a Next.js service. Nothing exotic. Prepared statements, placeholders, clean parameter handling....
One Cache Miss, Fifty Database Calls
6+ hour, 52+ min ago (295+ words) So I built a small demo to catch it in the act. One minimal API, two endpoints, same fake database. The fake database counts every call and takes ~200 ms, like a real query under load. The app starts itself on…...
Kmemo: a semantic cache for LLM calls that refuses to serve you the wrong answer
7+ hour, 21+ min ago (676+ words) An exact-match cache misses "how do I reverse a list in Python" when it has already answered "python list reverse". A semantic cache doesn't: it embeds the prompt, finds the closest one it has seen, and replays that answer instead…...
Web Traffic Management Architecture: From Request Analysis to Intelligent Access Control
8+ hour, 36+ min ago (258+ words) A website today is not only responsible for serving pages. It also needs to handle different types of requests, distributed services, API communication, security requirements, and performance optimization. As a result, web traffic management has become an important part of…...
Tailwind CSS v4: Architecture, Features, and Performance Upgrades
8+ hour, 13+ min ago (234+ words) The most significant change under the hood is the complete rewrite of Tailwind's CSS engine in Rust. Previously, Tailwind relied on a PostCSS plugin written in JavaScript, which, while effective, introduced overheads in larger projects. The move to Rust brings…...