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Building Production AI Systems(Part 1)

OpenRouter isn't just another AI gateway. It's an architectural decision.This is Part 1 of a five-part series on building production-ready AI applications.A few months ago, if you wanted to experiment with multiple LLM providers in the same application, you'd probably end up with something like this:npm install openainpm install @anthropic-ai/sdknpm install @google/generative-aiFast forward a few weeks and your code-base starts looking… interesting.One SDK expects messages in one format.An

I Built a Free Local Service Cost Calculator Website

Hi DEV community,I recently built a free website called ServicePricingTool.The idea is simple: a lot of people do not know what local services should cost before they book. So I wanted to create a website where someone can quickly estimate prices for common services before contacting a provider.The site currently has calculators for:House cleaningMove-in cleaningMove-out cleaningCarpet cleaningRug cleaningUpholstery cleaningLawn carePressure washingGutter cleaningJunk removalDog groomingAuto det

Download Pokémon Scarlet XCI Full Game + Update Latest 2026

Download Pokémon Scarlet XCI Full Game + Update Latest 2026Pokémon Scarlet XCI delivers an exciting open-world RPG adventure that introduces players to the expansive Paldea region, where exploration is no longer restricted by a linear path. Begin your journey as a Pokémon Trainer, catch and train hundreds of Pokémon, battle skilled Gym Leaders, and uncover the mysteries surrounding the Legendary Pokémon Koraidon. With three interconnected storylines, seamless exploration, dynamic environme

Download Donkey Kong Country Returns HD NSP Full Game Latest 2026

Download Donkey Kong Country Returns HD NSP Full Game Latest 2026Donkey Kong Country Returns HD NSP brings the beloved platforming adventure back with enhanced high-definition visuals, smoother performance, and the classic fast-paced gameplay that made the original a fan favorite. Join Donkey Kong and Diddy Kong as they set out on an exciting quest to recover their stolen banana hoard from the mischievous Tiki Tak Tribe. Travel through vibrant jungles, ancient ruins, fiery volcanoes, icy m

React me Multiple useState kaise Manage Karein

React me multiple useState kaise manage karein? Is Hindi guide me multiple states handle karne ke best methods aur optimization tips seekho.तो मेरे दोस्तों, कैसे हो आप सब? अगर आप ReactJS सीख रहे हैं, तो एक समय ऐसा जरूर आया होगा जब आपने एक बड़ा Form बनाया होगा। उस Form में Name, Email, Password, Phone Number, Age, Gender और न जाने क्या-क्या fields होंगी। हर field के लिए एक नया useState लिखना, फिर उसका onChange handler बनाना... देखते ही देखते आपका component 50-100 lines का तो सिर्फ State Management

Download The Legend of Zelda Breath Latest 2026

Download The Legend of Zelda Breath Latest 2026The Legend of Zelda: Breath of the Wild NSP is an award-winning open-world action-adventure game that redefines exploration and freedom. Players awaken as Link after a century-long slumber to discover the ruined kingdom of Hyrule, where danger and mystery await around every corner. From towering mountains and lush forests to vast deserts and ancient shrines, every location offers unique challenges, hidden treasures, and powerful enemies. The g

wa.me/username doesn't work yet — I verified it two ways

wa.me/username doesn't work yet — I verified it two ways, here's what to use insteadIf you've tried to build a "share my WhatsApp" link using a @username instead of a phone number, you've probably assumed wa.me/username (or wa.me/u/username) works the same way wa.me/15551234567 does. It doesn't — at least not yet, as of writing this.I wanted a definitive answer instead of trusting blog posts or AI chatbot answers (more on that below), so I tested it two independent ways. Test 1: serve

Aimersoft Video Suite 12.0.1.6 for macOS – Complete Video Converter, Editor, DVD & Media Toolkit

Aimersoft Video Suite 12.0.1.6 for macOS is an all-in-one multimedia solution designed for users who need powerful video conversion, editing, downloading, compression, DVD management, and screen recording in a single application. Whether you're creating content for YouTube, converting videos for mobile devices, backing up DVDs, or compressing large 4K files, this software provides an intuitive workflow with support for more than 1,000 video and audio formats. GPU acceleration helps deliver signi

Download Portal 2 NSP Full Game + Update Latest 2026

Download Portal 2 NSP Full Game + Update Latest 2026Portal 2 NSP is a critically acclaimed first-person puzzle adventure that combines mind-bending gameplay, witty humor, and an unforgettable sci-fi story. Armed with the iconic Portal Gun, players create interconnected portals to overcome challenging test chambers, solve complex environmental puzzles, and uncover the mysteries hidden within the Aperture Science facility. Featuring a compelling single-player campaign filled with clever mech

I coded the U.S. Navy Body Fat algorithm in Angular. Here is the math.

While standard fitness apps rely on generic BMI (Body Mass Index) which completely ignores the difference between muscle and fat, the U.S. Navy Body Fat formula is considered the most reliable "tape-measure" algorithm in clinical fitness.To make this formula accessible, fast, and 100% private, I built a client-side Body Fat Calculator using Angular 18 and reactive Signals.Try it live: https://tools.kandz.me/body-fat-percentage The Mathematical Formulas 📐The U.S. Navy algorithm relies on log

One headless table engine, every React UI kit

Every React project reaches for a data table eventually, and the choice always feels like a trap:Reach for ag-Grid or MUI X DataGrid and you get power — but their look, their DOM, and (for the good features) their license.Reach for TanStack Table and you get total freedom — but now you build every cell, header, filter, and pagination control from scratch.Reach for a kit-specific table (Mantine, Chakra, Ant) and you're locked to that one kit, re-learning a new API each time.I wanted one table tha

React useState me Object aur Array Kaise Update Karein

React useState me object aur array ko sahi tarike se update kaise karein? Is guide me hum state immutability aur best practices ko aasan Hindi me samjhenge.Kya aapne kabhi socha hai ki ReactJS me jab aap useState hook ka use karte hain, toh ek simple string ya number ko update karna toh bahut aasaan hota hai, lekin jaise hi baat Object ya Array ki aati hai, toh data update kyun nahi hota? Aksar naye developers yahi galti karte hain aur fir sochte hain ki unka UI re-render kyun nahi ho raha.⚡ Qui

I built an open-source React AI workspace that runs sandboxed Python (Wasm) and vector search entirely in the browser

Hey developers,For the past few weeks, I’ve been working on a React-based AI workspace called Much. I love self-hosting AI chats, but I got pretty tired of how heavy setups like LibreChat or open-webui can be. Setting up multiple Docker containers, database engines, and backend sandboxes just to run some basic code interpreter or read a PDF felt like overkill for a personal server.So, I built Much — a lightweight, self-hostable AI workspace that runs sandboxed code execution and document searche

Why I Ditched Socket.IO for Raw WebSockets (And What I Learned)

When you google "how to build a chat app in Node.js," the very first result will almost certainly point you to Socket.IO. It is the de facto standard for a reason. When I started my project, I used it without a second thought. It worked like magic. But as I got deeper into the project, that magic started to feel more like a black box. I eventually ripped out Socket.IO and replaced it with raw, native WebSockets. It was a daunting decision, but having built and managed it myself, I have some str

The bottleneck might be the air in the room

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TypeScript Branded Types vs. Nominal Types: Which Pattern Should You Use in 2026

TypeScript Branded Types vs. Nominal Types: Which Pattern Should You Use in 2026Most type safety failures in TypeScript stem from treating all strings as interchangeable. The structural type system that makes TypeScript flexible also creates subtle bugs when developers pass a UserId where a PostId was expected. Both are strings at runtime, and TypeScript's compiler sees them as compatible.This compatibility becomes expensive in production. When an engineer accidentally passes an email addr

How to Choose the Best Cabinet Handles and Knobs for a Modern Home

When planning a home renovation, it's easy to focus on large upgrades like cabinets, countertops, or flooring. However, one of the most overlooked design elements is cabinet hardware. Handles, knobs, and pulls may seem like small details, but they have a significant impact on both aesthetics and everyday usability.More Than Just Decorative AccessoriesCabinet hardware serves two important purposes:It improves the functionality of cabinets and drawers.It contributes to the overall design of a room

React useState Hook Complete Guide (with Examples in Hindi)

React useState Hook kya hai aur iska istemal kaise karte hain? Is Hindi guide me hum state management, functional components aur examples dekhenge.नमस्ते दोस्तों! स्वागत है आपका एक और गहराई वाली चर्चा में। अगर आप ReactJS में अपना करियर बना रहे हैं या एक बेहतर डेवलपर बनना चाहते हैं, तो useState hook को समझना उतना ही जरूरी है जितना कि कार चलाने के लिए स्टियरिंग को समझना। हम अक्सर कोड लिखते समय सोचते हैं, "ये डेटा स्क्रीन पर अपडेट क्यों नहीं हो रहा?" यही वो मोड़ है जहाँ useState आपकी मदद करता है।⚡

I Built a Free PDF Tool That Runs 100% in Your Browser (No Uploads, No Servers)

The ProblemEvery time you upload a PDF to an online tool, you're trusting someone else with your data. Contracts, tax forms, personal docs — they all go to some server you don't control.I wanted a better way. So I built PDFCraft — a 100% browser-based PDF toolkit.Nothing is uploaded. No sign-ups. No limits. What It DoesMerge, split, compress, rotate, and crop PDFsConvert JPG ↔ PDFAdd watermarks, page numbers, and passwordsExtract images and text (OCR powered by Tesseract.js)All of it

Agentic coding notes from Galapagos Island

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