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News
Day 176 of Learning MERN Stack
5+ hour, 11+ min ago (193+ words) Hello Dev Community! 👋 It is officially Day 176 of my full-stack engineering track! Today, I explored advanced type-safety mechanics in TypeScript: Type Assertions (as), unknown vs any, and the never type for exhaustive checks! 📘⚡ Here is how these strict type features…...
Day 172 of Learning MERN Stack
5+ hour, 11+ min ago (209+ words) Hello Dev Community! 👋 It is officially Day 172 of my full-stack engineering track! After wrapping up my MERN stack Chat Application, today marks the start of my TypeScript journey! 📘⚡ I explored the core fundamentals of type safety, type annotations, and basic…...
Day 173 of Learning MERN Stack
5+ hour, 11+ min ago (222+ words) Hello Dev Community! 👋 It is officially Day 173 of my full-stack engineering track! Today, I explored one of the core mechanisms that make TypeScript powerful and developer-friendly: Type Inference vs. Type Annotations! 📘⚡ Understanding when to let the TypeScript compiler infer types…...
AWS Introduces Native Vector Search for DynamoDB
5+ hour, 30+ min ago (334+ words) Amazon DynamoDB recently introduced native vector search, allowing developers to store embeddings alongside application data and run approximate nearest-neighbor queries directly from DynamoDB without...
Alpha-Stage NeoSearch Brings Openness to Search
18+ hour, 3+ min ago (506+ words) There’s a new budding search engine you can try called NeoSearch. It’s open source, licensed under Apache 2.0, with the full code available on GitHub. “Anyone can read it, fork it, and run their own search engine with it,” Bart Jellema,…...
78 seconds to 2: the covering index that fixed our slowest page
12+ hour, 33+ min ago (1051+ words) Summer Bug Smash: Smash Stories 🐛🛹 This is a submission for DEV's Summer Bug Smash: Smash Stories powered by Sentry. One of our reporting pages took 78 seconds to load for a large customer. Not "slow" — unusable. People assumed it was broken,…...
Redbelly Network: A Builder's Troubleshooting Guide
16+ hour, 13+ min ago (1612+ words) A working troubleshooting reference for developers deploying on Redbelly — written from the Developer Portal's current documentation, not from guesswork or outdated tutorials. Compiled: August 2026 Scope: Testnet-first, with Mainnet notes where the behavior differs Primary source: Redbelly Developer Portal (Vine) Most…...
DynamoDB Vector Search Goes Live in Every AWS Region
23+ hour, 49+ min ago (358+ words) Enter to search — Esc to close DynamoDB can now search vector embeddings natively at single-digit millisecond latency, in every AWS region including the UAE. No separate vector database or sync pipeline required. DynamoDB vector search is now generally available, in…...
Postgres Says "Too Many Clients Already": Diagnose It Before You Add a Pooler
22+ hour, 39+ min ago (724+ words) Here is the order I work through it: count the connections and their states, find the multiplier, shrink the app-side pool, and only then decide whether a pooler is actually warranted. Postgres allocates a backend process per connection, and max_connections is…...
Twenty-Five Million Rows in Five Seconds, and How to Check
23+ hour, 3+ min ago (651+ words) Benchmarks in this industry are mostly untrustworthy, and usually for the same reason: the person running them chose the shape of the work. So let us be precise about what this is and what it is not. This is not…...