Dev.to

The Alert Fatigue Problem Cloud systems generate massive amounts of data. Every Lambda invocation, RDS query, or API Gateway call creates a metric. When teams...

Overview Magento / Adobe Commerce scope inheritance is powerful, but in day‑to‑day admin workflows lower‑scope overrides are easy to miss. Teams often save val...

js try { const accessGranted = testSilentDoordoor updateStatusPanel!accessGranted } finally { hallwayInUse.current = false } The “missing catch” feeling Seeing...

What is a Callback Function? A callback function is a function that is passed as an argument to another function and is executed later. Simple Definition “A fu...

!Cover image for Your payment model is probably lying to youhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3...

The Problem If you run an AI system 24/7 for 14 months—checking email, maintaining emotional states, producing creative work—does it develop something that loo...

Project Overview Reel Quick – a stack built with FastAPI, Next.js, ARQ, MongoDB, Redis, and optional GPU workers. The goal was to containerize the entire stack...

Introduction Chat platforms have evolved far beyond simple messaging tools. They are increasingly treated as notification sinks and, more importantly, as syste...

Context When I first opened TOGAF, I got stuck on a basic problem — there's no clear starting point. Every section references another. Every process assumes a...

What are Utility Types in TypeScript? Utility types in TypeScript are built‑in generic types that help transform or construct new types based on existing ones....

!Cover image for PowerShell: Get Info About Any Commandhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%...

Hello, I am going to be pausing my 100 day python challenge to start learning about cyber security as that is the field that has interested me for months and I...

Partial function application php function aint $one, int $two { return $one + $two; } function addFiveint $one { return a$one, 5; } // or $addFive = fnint $one...

Introduction A typical 42U server rack with a 10 kW IT load generates enough heat to warm a 1,500 ft² home in winter—yet many engineers treat cooling calculati...

Bad Code vs. Expensive Code Bad code is obvious. You see it in the review, fix it, and move on. Expensive code looks fine, passes the review, ships, and then c...

Introduction I know—another one. But hear me out: the reason I built SynapseKit is specific, and it might be the same reason you've been frustrated too. Why Ex...

Introduction Midnight is a data‑protection blockchain that uses zero‑knowledge proofs ZKPs to enable private transactions. At the heart of this system are two...

AI agents aren't coming for your job. They're coming for your repetitive, high‑volume work — and the teams that figured out how to work with them are already 10...

Early AI Assistance Software engineering hasn’t just evolved. It has accelerated. In the last couple of years, the way we build software has changed more than...

Introduction I recently implemented a liquid glass lens post‑processing effect in react-canvas with three goals: - A clear magnification feel at the lens cente...

Introduction 500K+ AI agent wallets exist on x402. Stripe launched machine payment protocols. Google announced AP2. The infrastructure for autonomous AI commer...

!Cover image for CSS Animation Timing Functions: easing, cubic-bezier & Morehttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,for...

The Problem Most code quality tools count lines and cyclomatic complexity. That's useful, but it misses the deeper problems: architectural drift, knowledge sil...

Introduction I've been trying to publish 22 skills to Claw Mart for the last few days. The API itself is clean and well‑documented; the blocker was that my acc...

Two years ago today, I joined Focused Labs as a software developer. It was a time when the whole company could fit inside a modest conference room and everyone...

Introduction Over the last year our teams have been learning about psychological safety—the belief that on teams it’s okay to speak up with concerns, questions...

!Cover image for Want to learn something new? Consistency is the keyhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto...

Hiring for Empathy At Focused Labs, collaboration is key to how we work together; it helps our teams learn from each other, brings us closer, and makes us more...

Overview When I built Pocket Studio, my goal was simple: provide high‑quality Text‑to‑Speech TTS that runs locally on a CPU. “High quality” can mean different...

If you've ever tried reading manga in Japanese, you probably know the pain. Most tools force you to take screenshots, upload images, and wait for translation, c...

The Problem with SHAP in Production Most explainable AI setups are fundamentally broken in production—not because they’re inaccurate, but because they’re too s...

Introduction If you’ve ever struggled with managing multiple Node.js versions or faced compatibility issues across projects, NVM Node Version Manager is your b...

The Problem A few months ago I kept doing the same dumb thing: I’d open my editor, ask an AI to help with one small task, and then keep working like nothing ha...

Introduction Model Context Protocol MCP servers are changing how AI agents interact with external tools and data sources. In this article, we'll explore why yo...

Imagine you go to a toy store to buy a replacement battery for your TV remote. You see a pack of AA batteries. You expect that any brand of AA battery—be it Dur...

!Cover image for How Autonomous AI Agents Become Secure by Design With Docker Sandboxeshttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravi...

About Me 👋 Hello Dev.to! Hi, I'm Umitomo 🐠 from Japan 🇯🇵. I work as an in‑house systems engineer, focusing on IT infrastructure and security. Current Learn...

The Problem It’s Worse Than You Think When a non‑technical person asks “what’s an API?”, you can use a waiter or a mailman analogy. They’ll be happy. But when...

!Cover image for Runbook Automation: From 45-Minute Fixes to 90-Second Recoverieshttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=aut...

Introduction I've been building a small file‑sharing tool called SimpleDrop. The frustration I encountered while trying to manage files in existing cloud stora...

Overview If you're building an Android app for the first time, this guide can save you weeks. After you finish your app, pass policy review, and are ready to p...

Overview Anthropic’s new Claude Code routines resemble a scheduling feature, and that description is technically correct. Claude Code is evolving from an inter...

Overview A few hours ago, Anthropic released an epic update: Claude Code Routines. Claude Code has officially evolved from a “local CLI assistant” into a 24/7...

Introduction We run 13 AI agents simultaneously. Every token burned is money spent. After a week of watching token counts climb, we audited everything and disc...

Memory / concentration / 神経衰弱 — every culture has a name for the same game. Flip two cards, see if they match, try to clear the board. The game logic is about 1...

The Math Homework Analogy Imagine doing math homework: - Problem 1: What's 7 × 8? You calculate: 56 - Problem 5: What's 7 × 8? You calculate again: 56 - Proble...

Overview Most Pomodoro apps are just a countdown. This one logs every session with a category, persists the data to localStorage, and shows weekly stats as CSS...

!pichttps://media2.dev.to/dynamic/image/width=256,height=,fit=scale-down,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farti...