Programming

Stop Putting LLM API Keys in .env Files

You have five or ten LLM API keys sitting in a .env file right now. I know because I did too. OPENAI_API_KEY=sk-proj-... ANTHROPIC_API_KEY=sk-ant-... …

Stop Slouching! Build a TinyML Posture Guardian with ESP32 and TensorFlow Lite 🚀

As developers, we are world-class athletes... of sitting. We spend 8 to 12 hours a day hunched over our mechanical keyboards, chasing bugs until our s…

Docker commands

A practical, terminal-focused guide covering everything you need to know about web server deployment, Docker containers, GitHub-based hosting, and Bas…

Get Your Hands Dirty - AgentCore - Memory

Persistent Context with Bedrock AgentCore Memory Standard AI agents often suffer from "goldfish memory"—they forget everything once a session ends. Be…

I automated my entire freelance admin with free tools I built myself

I got tired of paying for five different SaaS tools to run my freelance business. So I built my own — and made them all free. Here's the stack I use n…

MCP Design in the Real World

When we started Project Brain's MCP server, we followed a common pattern: every new need got a new tool. It felt productive at first. But after a whil…

When the Cure Is the Disease: New Zealand’s Health IT

Why New Zealand’s Health IT Systems Are Such a Mess (And Why Fixing Them Is So Hard) Every time there’s a hospital IT outage in New Zealand, the same …

电脑硬件价格离谱，今天看到 hn 上一个网友的回复心有戚戚

I've developed a new fear of my 2025 desktop PC being damaged by a power surge or something, because it would cost at least $2K more to replace th…

Running LLMs Locally: A Rigorous Benchmark of Phi-3, Mistral, and Llama 3.2 on Ollama

Abstract This report presents a comprehensive evaluation of three small language models (SLMs) – Llama 3.2 (3B), Phi-3 mini, and Mistral 7B – running …

The Ultimate 2026 Vacation Calendar Hack: How to Turn 10 PTO Days into 55 Days Off

The Ultimate 2026 Vacation Calendar Hack: How to Turn 10 PTO Days into 55 Days Off Published by Holiday Optimizer — free PTO planning tool What if I t…

HTTPX Project at Risk: How Maintainer Disengagement and Security Concerns Threaten Its Future

Current State of HTTPX: Signs of Stagnation The HTTPX project, once a thriving initiative, now shows clear signs of maintainer disengagement, kinda ca…

How I Built Audeza — A Real-Time AI Pitch Coach with Gemini Live API and Google Cloud

I created this piece of content for the purposes of entering the Gemini Live Agent Challenge hackathon. #GeminiLiveAgentChallenge What is Audeza? Aude…

How to Build a Production REST API with ElysiaJS 1.4 and Drizzle ORM (2026 Guide)

Building a production-grade REST API in 2026 means choosing tools that are fast, type-safe, and maintainable. The combination of ElysiaJS 1.4 running …

Tree Search Distillation for Language Models Using PPO

Tokis: A Performance-First, Token-Native UI Library for Building Modern Design Systems

Tokis: An experiment in building a token-first UI library Over the past few months I’ve been experimenting with a side project called Tokis . It didn’…

Vibe Coding Gets You 70% There. Here's What Happens to the Other 30%.

I'll admit it. When vibe coding took off, I was completely seduced. You describe what you want, the AI builds it, you test it, prompt again, and watch…

Подключаем MAX к своей CRM за 30 минут на Python

Мессенджер MAX набирает обороты в корпоративном сегменте. У него есть Bot API, но документации и примеров интеграции в открытом доступе минимум. В это…

Optimising Docker Builds for Go

This article describes how to improve build time for Docker containers with Go applications. It focuses on speeding up the build process rather than b…

Why AI agents forget everything (and how we fixed it)

If you've built an AI agent or assistant, you've hit this wall: the moment the session ends, it forgets everything. The user comes back the next day. …

I Built a Full-Stack Developer Platform From My Android Phone (No Laptop, No Excuses)

My entire development setup is my phone. No laptop. No desktop. No "I'll do it when I get home." Just a smartphone, Termux, and a GitHub web editor. I…

Give Your AI Agents a Wallet: MoltsPay + CrewAI in 10 Lines

Your CrewAI agents can research, write, and code. But can they pay for services? Today I'll show you how to give your agents the ability to purchase A…

Why You Should Stop Just Posting on Dev.to (and Where to Go Instead)

The Developer’s Dilemma You’ve just spent three days debugging a complex Rails 8 migration or finally perfected your Arch Linux dotfiles. You want to …

5 Things AI Can't Do, Even in Redux Toolkit

This report examines important technical and conceptual challenges AI-assisted tools can encounter when using Redux Toolkit or RTK. Beyond convenience…

MCP Just Got Its First Major Funding — Why This Protocol Is the USB-C of AI (And How to Build Your Own Server)

MCP Just Got Its First Major Funding — Why This Protocol Is the USB-C of AI (And How to Build Your Own Server) TL;DR: Manufact, a YC-backed startup, j…

How I Added AI Code Quality Checks to My CI Pipeline in 5 Minutes (And Found 47 Bugs on Day One)

How I Added AI Code Quality Checks to My CI Pipeline in 5 Minutes (And Found 47 Bugs on Day One) TL;DR: Set up Open Code Review — a free, open-source …

WICK-A11Y v3.0.1: Cypress v16 Ready - Upgrade Without Fear (Fully Backward Compatible)

ACT 1: EXPOSITION Ok, Cypress v16 is coming, and our always-friendly Cypress environment variables are going to be revamped. Why? Security reasons. Cy…

Diagnosing Multiple GPUs on Linux: How to Detect and Monitor Integrated and Dedicated GPUs

If you run Linux on a system with both an integrated GPU and a dedicated GPU , you may have noticed something strange: some monitoring tools only show…

Building a Self-Healing Data Pipeline with AWS Step Functions, Bedrock, and Glue Data Quality

How to build an intelligent data pipeline that detects anomalies and automatically remediates issues using generative AI Data pipelines break. It's no…

Day 41 of #100DaysOfCode — TypeScript on the Backend (Node.js + Express)

JavaScript was originally built for browsers (frontend). But with Node.js and Express.js , you can run JavaScript on the server (backend) too. TypeScr…

MiroFish: The Open-Source AI Engine That Builds Digital Worlds to Predict the Future

MiroFish is an open-source AI prediction engine that takes real-world data (news, reports, even novels), spawns thousands of AI agents with unique per…