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Fulmine.js is a drop in replacement for Express 5 that runs on uWebSockets.js instead of node:http. You change one line, your middleware keeps working, and the routing gets between 2x and 20x faster. This post explains…
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What React.memo actually checks React.memo wraps a component so that, before re-rendering it, React does a shallow comparison of its new props against its previous props. If every prop is === to what it was last time,…
The Quest Begins (The "Why") Ever stared at a wall of .then() chains and felt like you were stuck in a never‑ending loading screen? I remember debugging a data‑fetching routine that looked like a spaghetti…
I needed to fix a typo on my resume last year — one line, wrong phone number — and it took longer than it should have because I refused to do the obvious thing: type "free pdf editor" into Google and use the first…
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Every "free" PDF tool I've ever used works the same way: you upload your file to a server, a script on the other end does the actual work, and you download the result a few seconds later. That's fine until you remember…
Zyctra AI: Your Personal Productivity Engine You're drowning in repetitive tasks. Every day brings the same friction: context-switching between tools, repeating yourself to different assistants, wrestling with poorly…
Originally published on NextFuture Bạn đặt ngân sách 0,50 USD cho mỗi session của AI agent, tưởng vậy là an toàn. Agent lặp lệnh 47 phút vì một tool call lỗi, và hoá đơn cuối tháng đội lên gấp rưỡi mà token vẫn nằm…
Setiap tahun dunia memproduksi 92 juta ton limbah tekstil. Angka itu bukan estimasi blog, melainkan data dari rilis pers resmi UN Environment Programme menjelang International Day of Zero Waste 2025. Kebanyakan orang…
Originally published on tamiz.pro. Vercel dropped Next.js 16.3 earlier this year, and while the changelog may look like a wall of incremental commits, the reality is that this release marks several meaningful inflection…
I spent the last few months building and shipping a Chrome extension called Promo Drop, a free tool that finds verified promo codes and cashback for products on Whop. It is live on the Chrome Web Store now. This is a…
I’m a web developer based in South Korea. When working on my projects, I always felt a bit uneasy pasting my code, database logs, or API payloads into random online tools. Even if the website claims they do not save…
This is part of a series I like to think of as Real Coding Problems, Simple Fixes. No fancy architecture. No interview puzzle. Just the kind of bug that shows up while building a normal app. Today we are fixing a very…
A while back I kept running into the same slightly awkward workflow: I wanted an AI model to help rewrite customer support text, summarize an internal note, or clean up something messy from a spreadsheet — but the input…
The Quest Begins (The "Why") Honestly, I used to think Go’s concurrency was just “spin up a goroutine and hope for the best.” I’d fire off a dozen workers, slap a sync.WaitGroup on them, and call it a day. Then one…
Open your package.json and look at the small stuff. Not React or your framework, the little helpers: a deep clone here, a UUID there, a date library you pulled in to print "3 hours ago." A lot of those are now built…
useRef Hook The useRef Hook allows you to persist values between renders. It can be used to store a mutable value that does not cause a re-render when updated. It can be used to access a DOM element directly. Does Not…
After building four separate privacy tools — Remove Metadata, Remove Annotations, Remove Links, and Privacy Inspector — I realized users need a unified workflow. Instead of running each tool separately, a comprehensive…
I Built a Free Decision Tree Generator (Because Lucidchart Charges $20/month) Stop paying $20/month for Lucidchart when you just need to draw a decision tree. I was tired of Lucidchart's subscription model — $10-20 per…
There is a whole class of purchases you make not because you need them, but because the moment of buying feels good. The checkout rush. The "it's on the way" dopamine. The tiny progress bar marching toward the shipping…
Chrome shipped WebGPU as a stable API in April 2023. By late 2025, roughly 89% of active desktop browsers had it enabled by default, and every major detection vendor added WebGPU probes to their SDKs inside the same…
Je hebt een tabel op een webpagina. Je hebt het nodig in je database. De handmatige aanpak: kopiëren naar Excel, opschonen, CSV exporteren, handmatig CREATE TABLE schrijven, LOAD DATA of COPY gebruiken, fouten debuggen.…
TypeScript AI Agent Frameworks in 2026: LangChain.js vs Mastra vs Vercel AI SDK While Python dominated the early prototyping wave of AI agents, TypeScript has rapidly become the language of choice for full-stack,…
This is part 6 of FieldKit, a series where I build one real Progressive Web App and use it to dig into what modern PWAs can actually do. FieldKit is a field-notes app — open source (on GitHub). It already works offline,…
The Editor-Agent Protocol Everyone's Adopting Has a Version Field Bug Waiting to Happen The Agent Client Protocol (ACP) is quietly becoming the LSP of AI coding agents — one JSON-RPC wire format so a code editor can…
Mobile gaming has changed dramatically over the last few years. Modern Android phones can run increasingly complex games, but developers still face an important challenge: delivering a smooth experience across devices…
This is a submission for the Weekend Challenge: Dog Days Edition What I Built 🦴 Good Boy Amnesia is a detective game built for Dog Days where an AI agent's entire long-term memory lifecycle — remember → recall → memify…
You've written this function before, maybe without thinking twice about it: function layoutRadial(container, radius) { const items = [...container.children]; const step = (2 * Math.PI) / items.length;…
I thought a browser-based batch renamer would be one of those pleasantly boring tools: pick some files, add a prefix, maybe do a find/replace, download a ZIP, done. Then I actually built one and ran into the part that’s…
This is a submission for Frontend Challenge - Comfort Food Edition, Perfect Landing. What I Built I built Paws & Potjie, a fictional South African comfort kitchen for dogs and their humans. The experience is built…
Supabase has become one of the most popular choices for building modern web applications. It gives you: PostgreSQL database Authentication Realtime subscriptions Storage Edge Functions TypeScript support The official…
Selling a developer starter kit, boilerplate, or private repository manually is a massive time sink. Every time a purchase comes through, you have to log into GitHub and manually invite the customer's handle. To solve…
In Node, Buffer shows up everywhere. In the browser and on the edge, the real contract is typed arrays (Uint8Array)—and often Web Crypto. When you mix those worlds—an API on Node, a client in the browser, a Worker in…
Every year someone declares React "done." Every year it's still the library most teams reach for. So is that inertia, or is there an actual technical case for it in 2026? Short version: yes, if you're building anything…
A practical guide to CommonJS, ESM, design patterns, closures, garbage collection, memory leaks, and the Open/Closed Principle. Introduction As JavaScript applications grow, writing code that simply works is not enough.…
This is a submission for Weekend Challenge: Dog Days Edition What I Built I built Dog Vision, a little browser app that takes your camera feed (or a photo you upload) and shows you two versions side by side: what you…
We have a function called capitalize that takes a string and makes the first letter uppercase function capitalize(str) { if (!str) return str; return str[0].toUpperCase() + str.slice(1); } module.exports = capitalize;…
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