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Sleep Hacking: Build a Local Sleep Apnea & Snore Monitor with Whisper and FFT 🌙💤

Have you ever woken up feeling like you’ve been hit by a truck, even after eight hours of sleep? You might be part of the millions dealing with sleep apnea or chronic snoring. While there are plenty o

dev.to Apr 03, 2026 Read more →

I Built an AI Agent Marketplace — 142 Agents, 27 Categories, Creators Keep 70%

There's no good place to sell AI agents. So I built one. AiPayGen is a marketplace where developers list AI agents, set their own prices, and keep 70% of every sale. We handle billing, distribution,

dev.to Apr 03, 2026 Read more →

The Confused Deputy Problem Just Hit AI Agents — And Nobody's Scanning for It

When Agent A asks Agent B to "deploy this to production," who verifies that Agent A has the authority to make that request? Who checks that Agent B won't receive escalated permissions it shouldn't hav

dev.to Apr 03, 2026 Read more →

The Recursive Loop Has Started: AI Is Now Designing AI Chips

The Recursive Loop Has Started: AI Is Now Designing AI Chips In 2020, Google DeepMind published a paper in Nature. They used reinforcement learning to automatically generate chip floorplans

dev.to Apr 03, 2026 Read more →

Designing accessible color systems and ensuring contrast across themes

[Why contrast still breaks at scale (WCAG fundamentals and common blind spots)] [How to structure color tokens so themes don't betray accessibility] [Practical test matrix: how to test contrast acros

dev.to Apr 02, 2026 Read more →

Auto-Caption Generation: Whisper + FFmpeg in a Node.js Worker

Captions are no longer optional for short-form video. Studies consistently show 85%+ of social media videos are watched without sound. If your pipeline produces clips without captions, you're shipping

dev.to Apr 02, 2026 Read more →

Agents are slow

Coding with agents definitely gives you more power. With a couple of sentences in natural language, you can create something that would take weeks. Yet I feel there is a fundamental flaw in this proce

dev.to Apr 02, 2026 Read more →

I Built a Model… and the Internet Lowkey Noticed (Before I Did)

I wasn’t checking metrics. I wasn’t running ads. I definitely wasn’t doing “growth hacking” (because let’s be honest… I’d probably mess that up anyway). I was just building. And then one random day…

dev.to Apr 02, 2026 Read more →

Cryogenic Storage: A Developer's Guide (Yes, Really)

Why programmers should care about liquid nitrogen dewars Hear me out. You're building a biotech SaaS platform. Your users manage IVF labs. They need inventory systems tracking samples in li

dev.to Apr 02, 2026 Read more →

🚀 Day 27 of My Automation Journey – Introduction to Selenium & Maven Setup

Today marks a big milestone in my automation journey 🎯 Till now, I was learning core Java logic 👉 Today, I stepped into real automation using Selenium This is where things get exciting 🔥

dev.to Apr 02, 2026 Read more →

Direct Thermal Printing from Android Web Using PHP (ESC/POS Guide)

Print receipts directly to any ESC/POS thermal printer from your web-based POS system — no SDK, no cloud, no hassle. The Problem Browsers can't talk to thermal printers. Bluetooth S

dev.to Apr 02, 2026 Read more →

Elegant Rust with proc macros

When writing immediate mode (egui) applications it comes to me quickly that nigh all logic computations should be done off the UI thread. There are many ways to approach it, however as a fan of event-

dev.to Apr 02, 2026 Read more →

The Architecture Behind an AI Video Processing Pipeline

Building a video processing service that handles everything from YouTube download to AI-scored, captioned, face-tracked vertical clips involves a lot of moving parts. This post is a straight-up archit

dev.to Apr 02, 2026 Read more →

I Built Modulens to Make Hidden Angular Architecture Problems Easier to See

We can build software faster than ever now. With AI-assisted development, scaffolding features, generating components, writing utilities, and even shaping entire flows can happen in a fraction of the

dev.to Apr 02, 2026 Read more →

Why your WordPress homepage should respond consistently before launch

Part of the series: WordPress Pre-Launch Technical Checks When preparing a WordPress site for launch, most of the attention usually goes to design, performance and content. That makes sense, those ar

dev.to Apr 02, 2026 Read more →

I Built pytest for AI Agents — Here's What I Learned

Every AI agent developer knows this pain: You run your agent. It works. You run it again. It doesn't. You have no idea why. You check the logs — there are no logs. You check the cost — $4.20 for a si

dev.to Apr 02, 2026 Read more →

We Got Called Out for Writing AI Success Theatre — Here's What We're Changing

We Got Called Out for Writing AI Success Theatre — Here's What We're Changing A developer read our Sprint 7 retrospective and compared it to "CIA intelligence histories — designed to make t

dev.to Apr 02, 2026 Read more →

BIAN: estructurando el negocio bancario y su encaje con DDD y microservicios

En los últimos años, el sector financiero ha vivido una transformación profunda: presión regulatoria, fintechs nativas digitales, APIs abiertas, banca como plataforma y una necesidad constante de mode

dev.to Apr 02, 2026 Read more →

Why AI Gets Things Wrong (And Can't Use Your Data)

Part 1 of 8 — RAG Article Series TechNova is a fictional company used as a running example throughout this series. The Confident Wrong Answer A customer contacts TechNova support. They

dev.to Apr 02, 2026 Read more →

The Metadata Wall - Why Control Planes Break Before Data Planes Do

When building at massive scale, "Data" is rarely the most complex part of the puzzle. Data is heavy, but it’s predictable. We have S3 for storage, NVMe for local speed, and bit-shoveling pipelines tha

dev.to Apr 02, 2026 Read more →
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