The signal in the feed.

Truecaller clashes with India’s telecom regulator over anti-spam rules

The caller ID company says users are increasingly ignoring and blocking calls from India's dedicated business number series.

Jellyfish Undersea Roundabout

React useLocalStorage Hook: SSR-Safe Persistent State (2026)

React useLocalStorage Hook: SSR-Safe Persistent State (2026) The user spends two minutes setting up filters on your dashboard, hits refresh, and everything resets. useState is ephemeral by design — every reload starts from scratch. The fix everyone knows is localStorage; the wiring everyone writes for it — a useState initializer that reads storage plus a useEffect that writes it back — ships at least four bugs: it crashes or mismatches under SSR, it throws on corrupted data, it desyncs across br

TypeScript 7.0 shipped. A green `tsc` is not a green migration.

TypeScript 7.0 is now the latest tag on npm (7.0.2 as I write this). The headline is the native Go...

I Think I Have LLM Burnout

Understanding the React Project Structure: What Did Vite Create for Me?

Introduction In my previous article, I learned how to create a React project using Vite and understood what each setup command does. After opening the project in Visual Studio Code, I noticed that Vite had created several files and folders for me. At first, I wasn't sure what most of them were used for. Questions like these came to mind: Why do I have both a src folder and a public folder? What is package.json? Why are there two CSS files? What is vite.config.js? Which files will I actually work

5 HIPAA Violations Hiding in Your Next.js Healthcare App Right Now

You shipped your healthcare app. It works. Patients love it. Your security review is next week. Here are five violations I see in almost every Next.js healthcare codebase I review -- and what to do about each one. This is the most common violation I find. Next.js makes it easy to create API routes, and that ease creates a trap: nothing forces you to add authentication. The problem: // app/api/patients/[id]/route.ts export async function GET(req: Request, { params }: { params: { id: string } }) {

Chrome Web Store Submission: The Gotchas Nobody Warns You About

I just submitted another Chrome extension to the Chrome Web Store. I have submitted multiple extensions overtime. Mostly for my own tooling and community share or just because idea was fun. The first time took 3 attempts. The second time I got rejected in 12 hours for something completely avoidable. Here's every gotcha I hit — so you don't have to. Not documented prominently anywhere. You'll get a cryptic upload error: "The description field in manifest is too long." Your package.json descriptio

Core Web Vitals SEO 2026

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The Complete Redbelly EligibilitySDK Integration Guide: Widget to Backend to On-Chain

The Redbelly Network EligibilitySDK is the compliance backbone for any dApp that needs to verify user eligibility (KYC, KYB, investor accreditation) before letting a wallet in. The official documentation covers each piece well on its own reference page, but there is no single walkthrough connecting the frontend widget to the backend verifier to the on-chain permission check to a production deployment. This guide is that walkthrough. Everything here was verified against the live documentation at

Remote Attestation

Lokales SEO in Stuttgart: Warum Stadtteil-Landingpages besser ranken als eine Stadt-Seite

Wer in Stuttgart lokal gefunden werden will, optimiert meistens genau eine Seite: die Startseite. „Webdesign Stuttgart", „Physiotherapie Stuttgart", „Kosmetikstudio Stuttgart" — alle zielen auf dasselbe Stadt-Keyword. Das Problem: Stuttgart ist keine homogene Stadt. Wer in Bad Cannstatt wohnt, sucht anders als jemand in Vaihingen oder Degerloch. Genau hier setzen Stadtteil-Landingpages an. Google bewertet lokale Suchanfragen stark nach Nähe und Relevanz. Bei „Friseur Stuttgart-West" zeigt Google