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News
Authenticated Node.js Web Chatbot Backend Validates Streaming Reviews (Without an SDK)
12+ min ago (414+ words) Short answer: put authentication, schema validation, and stream ownership in a small backend API, and treat a code-review response as accepted only after one complete, validated findings document arrives. The browser can render provisional events, but it must not turn…...
Your Database Said "Success." Your Message Broker Said "Try Again."
11+ min ago (1417+ words) This is where distributed systems get interesting. If you've worked with backend systems long enough, you've probably written code that looks roughly like this: At first glance, it looks reasonable. The order is updated. The event is published. Except there…...
I built SugarTrack: A simple offline blood sugar tracker for Android
10+ min ago (238+ words) A few weeks ago, I needed a basic way to log blood sugar readings. Most apps on the store are full of complex layouts, forced signups, cloud sync, Bluetooth setup screens, and monthly subscriptions. I just wanted a simple logbook…...
Shadow Traffic Is the Only Honest Free Model Evaluation
21+ min ago (1714+ words) The demo replay played in the dim glow of a conference room, and everyone agreed the free model sounded good. The same four prompts produced crisp summaries, polite error handling, and no obvious hallucination, so the conversation drifted toward replacing…...
20 Native macOS Apps That Replaced My Electron Bloat for Good
21+ min ago (1577+ words) I opened Activity Monitor last year on a Thursday afternoon, just to check something quick. Slack was sitting at 780MB. Discord was at 410MB. Notion was at 490MB. Spotify was lurking at 280MB. I had four apps open — and they'd already consumed nearly 2GB of…...
How to Add a Command Menu to a Telegram Bot with Python
18+ min ago (795+ words) A Telegram bot can recognize commands without displaying them in the client. However, users should not have to memorize every available command. Registering a command menu lets Telegram show a list when someone taps the menu button or types /. In…...
From HTTP Requests to Atomic On-Chain Transactions
21+ min ago (247+ words) Coming from Web2, I initially thought of a Solana transaction like an API request: send request -> server processes it -> get response But after working with Solana transactions, I realized the mental model is quite different. A Solana transaction is a package…...
Setting Up Java: 6 Questions I Had About JDK, VS Code, LTS and PATH
12+ min ago (1732+ words) Java Learning Notes — Telusko Core Java | Video 02 After understanding the basic introduction and history of Java in the first lesson, the next question for me was: How do I actually set up Java on my computer and start writing programs?...
What I Learned Turning a Side Project Into a Sellable Dev Tool
32+ min ago (324+ words) I built Materia AI to solve a real problem I saw firsthand — messy menu and inventory management from my years working as a waiter. It's still growing. But somewhere along the way, I realized the backend pattern I kept reusing…...
Real Ephemeris Math, Graceful AI Degradation, and a Rebuild Gotcha: Building an Astrology SaaS on Cloudflare Workers
32+ min ago (448+ words) Most "astrology app" tech stacks are a sun-sign lookup table and a template string. I've spent the last few months building AstroMystra, a Next.js app that does actual ephemeris calculations for Vedic (sidereal) and Western (tropical) charts, generates AI-written…...