Why Chinese AI Models Are 95% Cheaper — The Economics Explained
The $0.14-per-million-token Question In June 2026, calling GPT-4o costs $2.50 per million input tokens. DeepSeek V4 Pro charges $0.14. That's not a ty…
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The Jedi's Guide to Scaling Node.js APIs with Express: From Padawan to Master
The Quest Begins (The "Why") Honestly, I still remember the first time I tried to ship a production‑ready Express API. It felt like I was Luke Skywalk…
I open-sourced the financial charting library we use in production
If you've ever tried to build a trading dashboard, a crypto portfolio tracker, or any financial app, you probably ran into the "charting problem" pret…
How I Built an Adversarial AI Council in React (and Why It Argues With You)
A local-first, single-file SPA where multiple agents debate your decision and hand you a verdict. The problem: every AI I asked just agreed with me I …
AI summaries need receipts: how I built evidence-bound reports from comments
A mistake I keep running into with AI feedback tools is treating the summary as the product. Getting a model to write a confident paragraph is no long…
I built free browser-based tools for devs – no sign-up, no server uploads
The problem Every time I needed to compress an image, convert to WebP, or generate a UUID, I ended up on sites full of ads, paywalls, or that require …
I Built the Agency Template I Always Wished Existed
After years of web development, I kept running into the same problem. Clients would come to me wanting a premium agency website — the kind that feels …
I Built a Web-Based Code Editor for SA-MP Scripting
I Built a Web-Based Code Editor for SA-MP Scripting — Here's Why A lightweight, browser-based code editor built specifically for SA-MP (San Andreas Mu…
React 19 Concurrent Rendering Deep Dive: Actions, Transitions, and Suspense in Production
React 19 Concurrent Rendering Deep Dive: Actions, Transitions, and Suspense in Production Most React performance issues stem from treating async opera…
How do you scale a frontend application to a million users ?
I was recently in a job interview (yes, the kind you have to do when you get laid off) and the interviewer asked me: "How would you scale a frontend a…
Building a browser diagram editor: which import/export formats actually matter?
Disclosure up front: I'm affiliated with diagram.now — I'm connected to the product. I'm posting this to get developer feedback on diagram import/expo…
I’m excited to announce that I’ve officially taken my latest project, 𝗟𝘂𝗺𝗼𝗿𝗮, 𝗽𝘂𝗯𝗹𝗶𝗰 𝗼𝗻 𝗚𝗶𝘁𝗛𝘂𝗯! 🚀🫵
𝗦𝗮𝘆 𝗵𝗲𝗹𝗹𝗼 𝘁𝗼 𝗟𝘂𝗺𝗼𝗿𝗮 — 𝗧𝗵𝗲 𝗨𝗹𝘁𝗶𝗺𝗮𝘁𝗲 𝗕𝗼𝗼𝘁𝘀𝘁𝗿𝗮𝗽 𝟱 𝗔𝗱𝗺𝗶𝗻 𝗗𝗮𝘀𝗵𝗯𝗼𝗮𝗿𝗱 𝗨𝗜 𝗞𝗶𝘁. 💎 🔗 𝗚𝗶𝘁𝗛𝘂𝗯 𝗥𝗲𝗽𝗼: https://github.com/Chetankumar-Akarte/lumora 🔗 Demo: https://r…
I built a Chrome extension that shows which tab is eating your RAM (and frees it in one click)
The problem I kept running into I'm a chronic tab hoarder. At any given time I've got 40–80 tabs open across two windows. Chrome's built-in Memory Sav…
I built a free AI nutrition tracker as a solo dev — here's what I learned
What I built goNutriTrack is a free multilingual PWA nutrition tracker. The idea was simple: make meal logging so fast that people actually stick with…
Vibe Coding 101: Catatan Seorang Developer yang Capek Nulis Kode Manual
Mulai Vibe Coding: Panduan Praktis untuk Developer (2026) Catatan pribadi sekaligus panduan buat siapa pun yang mau mulai vibe coding dengan benar — b…
10 Things I Wish I Knew Before Building a Social Network
Building a social network sounded simple when it was just an idea. Create user profiles. Build a feed. Add communities. Launch. How hard could it be? …
r4b1t_h0l3
→ Try it: gnomeman4201.github.io/r4b1t It's a curated random link generator for security and OSINT researchers. 53,869 verified live URLs. Roll one. S…
WebKit opposes WebMCP. Here's what to actually build today
If you've been following the agentic-web standards fight, you've seen the headlines: Chrome shipped a WebMCP origin trial in Chrome 149 , and WebKit's…
WordPress was the SaaS stack all along — we just had to build the missing piece
For over a decade, I’ve been developing and selling a standalone PHP QR code generator on Envato. Over the years it found its way to more than 1,800 c…
Lessons Learned Building POS Lite: From Idea to Full Stack Application
Introduction In the previous posts, I shared the process of building POS Lite , a full stack point of sale system for small businesses, stores and gym…
10 Test Automation Problems That Look Simple Until You Face Them in Production
Test automation usually looks straightforward in a demo. You record a few actions, run the test, watch the green checkmark appear, and start imagining…
New developer from Morocco 👋 looking to learn and grow
Hey Dev.to 👋 I’m Anass, a graphic designer from Morocco who recently got into software development. I’ve been learning by building real projects and e…
Build vs Buy Software: A Decision Framework for Growing Businesses
The build-vs-buy question gets answered wrong in both directions. Scrappy teams build things they should have bought, wasting six months reinventing S…
Stop Dumping Your Entire Repository Into AI
One of the strangest workflows in modern software development looks like this: Ask ChatGPT a question. Realize it doesn't have enough context. Copy a …
NCCL: The Hidden Engine Behind Multi-GPU LLM Training
Hello, I'm Shrijith Venkatramana. I'm building git-lrc, an AI code reviewer that runs on every commit. Star Us to help devs discover the project. Do g…
Crypto Payment Statuses: A Backend Guide for Stablecoin Checkout
The transaction itself is only the beginning. The real backend complexity starts when your system needs to decide what happens next. Your backend may …
Building BetLogic with Next.js: AI Football Previews, Bet Slip Checks and Automated Content
I’m building BetLogic, an AI-powered football intelligence platform focused on match previews, risk-aware predictions, transparent tracking and footba…
How to Connect Contact Form 7 to Monday.com CRM
Someone asked on the WordPress support forums: "What is the best way to connect Contact Form 7 to Monday CRM? Is a webhook a good approach?" The reply…
Pre-launch AI simulations are becoming the new model safety check
The next serious upgrade in AI safety may not look like a bigger warning label. It may look like a rehearsal. OpenAI published new work this week on p…
Product Launch Telemetry: How AIKit Turns Feature Releases Into Agent-Readable Growth Loops
Product launch telemetry is the bridge between shipping a feature and proving that the feature created growth. AIKit can turn every release into an ag…