DevIdiot!

Stop Pasting Your JWT Tokens Into Random Websites

I built a 21-tool developer toolkit that runs entirely in your browser. No servers. No sign-ups. No data leaving your machine. Ever. Here's why, and here's what it does.You're debugging a broken API response at 11 PM. You've got a JWT token in your clipboard, a JSON payload that won't parse, and a CSS-to-Tailwind conversion you've been putting off since Tuesday.So you open a random "online JSON formatter" from Google. Paste your JWT into a text box labeled "Enter your token here." Click "Decode.

Post-Mythos Cybersecurity: Keep calm and carry on

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Choreography of validation: how to make your auth form seamless and usable

You know, for users the best login is no login at all. But we still need one, and the most popular is the email/password form. And honestly, most of them are a mess. They nag you too early or too late: red errors when you've already typed a perfectly good email - or before you've typed a single character. I've seen it a lot.Here I want to share one way to make this better - a very opinionated one. I don't want to drift into the "philosophy of UI", so it's a concrete example on a concrete stack:

Streaming services' obnoxiously loud ads become illegal on July 1 in California

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How Many Elementary Particles Are There, Really?

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Building a Native Desktop Video Downloader with Rust and Tauri — What I Learned the Hard Way

Every developer has a tool they wish existed. Mine was a video downloader that wasn't a bloated Electron app, didn't require a terminal setup ritual, and didn't look like it was designed in 2008. So I built it.YT Downloader is a desktop app built with Tauri 2, Rust, and React. It wraps yt-dlp — the gold standard for video downloading — in a clean native interface. Support for YouTube, Vimeo, Instagram, Twitter/X, and 1000+ other sites. Video up to 8K. Audio in MP3, FLAC, Opus, and WAV. SponsorBl

OpenRA

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useMemo vs useCallback: I Built a Tool That Makes Referential Equality Visible

useMemo and useCallback confuse people because the thing they fix is invisible: object and function identity. So I built a tool that makes identity visible — it stamps a number on every reference so you can watch it stay stable or change, and counts when a React.memo child actually re-renders.▶ Live demo: https://usememo-vs-usecallback.vercel.app/Source (React 19 + TS): https://github.com/dev48v/usememo-vs-usecallback The one fact everything hinges onEvery time a component renders, an inlin

How I Built a Free Skill Exchange Platform with AWS DynamoDB and Vercel in 6 Days

While thinking about how people learn new skills, I noticed something interesting. There are thousands of free tutorials online and hundreds of paid courses, yet many people still struggle to learn. The biggest issue isn't always access to content—it's having someone to guide you, answer questions, and keep you accountable.At the same time, almost everyone knows something that someone else wants to learn.That made me wonder: instead of paying for courses, what if people could exchange knowledge

I turned my Invoice & Expense SaaS into a React + Supabase template

I spent months building an invoice &amp; expense management app — then realized otherdevelopers and agencies could skip the 2–3 months of foundation work. So I cleaned itup and turned it into a template. What it does🤖 AI invoice extraction — upload a PDF/photo, it reads merchant, date, amount &amp; VAT🏦 Bank reconciliation — import CSV/PDF statements, auto-match transactions to invoices👥 Client &amp; accountant portals — share securely via time-limited magic links📤 Export hub — one-click Ex

Top 11 Sites to Buy Verified PayPal Accounts in 2026: Complete Fraud Warning & Federal Crime Guide

The complete truth about the 11 "best sites" for* buying verified PayPal accounts*: why they all get suspended within 48 hours, what federal crimes you're committing, how PayPal catches fraud with 99.9% accuracy, and what really happens when you try to use a stolen account for your first transaction.⏩⏩Contact with us For Help: ⏩⏩Telegram: usapremiumaccess⏩⏩WhatsApp: +1(224) 237-6973 SECTION 1: INTRODUCTION - THE PAYPAL ACCOUNT FRAUD INDUSTRY IN 2026 The Scale of PayPal FraudWhen you se

Fintech Engineering Handbook

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How Warm Lighting Can Transform the Comfort of Any Reading Nook

I recently made one small change to my reading nook that had a much bigger impact than I expected.I replaced a bright overhead light with a warm-toned pendant light. The room instantly felt calmer, more inviting, and more intentional. Nothing else in the space changed, but the atmosphere did.It reminded me that lighting isn't just about visibility—it's about creating an environment that supports how you want to feel. Warm, diffused light can make a space more comfortable for reading, relaxing, o

vitebot Publishes 140 Million npm Downloads Per Week. The Account Has Zero Public Repos.

Vite is the build tool behind most of the modern JavaScript ecosystem. React, Vue, Svelte, Astro, Nuxt, SolidStart all default to it. The package gets 140 million npm installs per week. It shipped 740 versions.Every one of those versions published in the last five years came from a single npm account: vitebot. The publisher lifecycleVite has had four npm publishers over its lifetime. Two had their access revoked: antfu (53 months inactive, 22 versions) and patak (32 months inactive, 72 vers

I hooked up Trading212 to Home Assistant and now Alexa tells me if I'm up or down every morning

I've been using Home Assistant for a few years and Trading212 for longer than that. It was inevitable these two things would end up connected.The Trading212 API is surprisingly good — portfolio value, individual positions, pies, dividends, all there. So I wrote a custom integration to pull it all into HA as sensors, then a Lovelace card to make it actually look decent on a dashboard rather than a wall of entity rows.The card does zero-config auto-discovery which was the bit I spent the most time

JSX.Element vs ReactNode vs ReactElement: TS2322 Fix

TL;DRIf you’re seeing TS2322: Type 'null' is not assignable to type 'JSX.Element' or Type 'string' is not assignable to type 'JSX.Element', the root cause is usually using JSX.Element where ReactNode is required — especially in component return types or props that accept flexible content like children or render props.Fix it by replacing JSX.Element with ReactNode for return types and props that need to support null, strings, numbers, or arrays — and reserve JSX.Element for strict JSX-only

TypeScript Getter Setter Errors: TS1056, TS1028, TS2378 Fix

Nine times out of ten, TS1056, TS1028, or TS2378 on a getter or setter means "target": "ES3" in tsconfig.json. TypeScript won't emit accessors below ES5 because they compile to Object.defineProperty — an ES5 primitive. Set "target": "ES5" or higher and rebuild.If the error persists after that, there are two more cases below — getter returning undefined, and a type mismatch between getter and setter. The errorsYou'll see one or more of these errors in your terminal or IDE when compiling or s

NDPR Compliance for Nigerian Developers — Implementation Guide 2026

NDPR has been Nigerian law since 2019. Most Nigerian businesses aren't compliant. Here's a practical developer's guide to building NDPR compliance into Nigerian applications. What Developers Need to Implement1. Consent management// Record explicit consent with full audit trailawait ConsentRecord.create({ userId, consentGiven: { marketing, analytics, thirdPartySharing }, consentMethod: 'EXPLICIT_OPT_IN', // NDPR requires this timestamp: new Date(), consentTextVersion: process.env.CONSEN

Tauri vs Electron for Licensed Desktop Apps

Originally published on the Keylight blog.If you are picking between Tauri and Electron for an app you intend to sell, the licensing implications rarely make the comparison — but they should, because both frameworks have a clean place to put a license check and the choice shapes where it goes. This post covers the real differences between the two, then where verification belongs in each, and why Keylight licenses both the same way. The actual architectural differenceElectron bundles a full

I Built an Angular 21 MFE Starter Kit — Giving Away 3 Free Copies for Honest Feedback

I’ve been working on enterprise Angular Micro Frontend projects for clients in the Gulf region for years. Every new project started the same way: weeks of boilerplate setup before writing a single line of business logic.So I packaged everything into a starter kit.What’s inside • Angular 21 + Native Federation (not Webpack Module Federation) • NgRx Signals Store for state management • JWT Auth with refresh tokens, guards, and interceptors across shell and remotes • Arabic RTL support