Dev.to

The Problem You know the flow: brainstorm with an AI chat, land on a plan, and get a nice CLAUDE.md generated. Then you have to: 1. Download CLAUDE.md 2. Open...

You know that moment when you're about to share your side project on Twitter, and the preview card is… nothing? Just a boring URL. No image, no title, no click...

!Cover image for Improving Accessibility - Tooltiphttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev...

Overview Most explanations of AI‑agent patterns are either too abstract to be useful or too simplified to be accurate. This guide aims to be both technically p...

Introdução Tudo começou há mais de três anos, quando conheci o Whaticket, quase por acidente, em um freela que parecia simples e que mudou completamente a dire...

Unity’s built‑in Terrain system is powerful, with years of tooling behind it: sculpting, painting, vegetation, LOD, detail maps. But it was designed around one...

!Drivelert screenshothttps://media2.dev.to/dynamic/image/width=800,height=,fit=scale-down,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com...

Let me start with something that's been bugging me for years. I work with APIs constantly. And every time I spin up a new project that touches any kind of Web3...

Why MQTT Last Will Testament Isn't Enough for Production IoT And What We Built Instead I spent 7 years building cloud backends — but when I tried connecting rea...

We've all been there. You're deep in a terminal session, you forget a flag, so you type man grep — and you're greeted by a wall of monospaced text with no color...

Introduction I wanted a way to test ESP‑IDF component logic without flashing the board each time. ESP‑IDF can build for a Linux target, allowing tests to run d...

Background This past week I decided to learn more about exploits and exploit analysis. I chose to investigate CVE‑2021‑3156, a sudo vulnerability from 2021 tha...

What a VIN Decoder Actually Reveals Free or Paid Your VIN has 17 characters. Each one tells a story. - Position 1‑3: Manufacturer and country. - “1” or “4” → U...

!Cover image for Six frameworks. Four storage backends. One import. Zero dependencies.https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravit...

I’ve been building OpZerohttps://opzero.sh/ — an AI‑native deployment platform that started as a way to get vibe‑coded apps onto the internet without friction....

The moment that started it all A few months ago, I asked Claude to help me set up a deployment pipeline. It gave me a perfectly working config with nginx rever...

What happened Compaction removed physical files that metadata still referenced. This is a metadata↔disk ordering/race condition—deletion happened before durabl...

While learning Python I wanted to build something practical instead of small exercises, so I created a CLI tool called LogSnap. It analyzes log files locally an...

Why Full-Stack Isn't Enough in 2026 If you browse GitHub today, you’ll see countless e‑commerce clones, to‑do lists, and social‑media dashboards. A few years a...

Introduction Most AI agents burn through tokens by reloading the same context every session. Memory files are useful at launch, but they become dead weight onc...

markdown Performance Optimization: Reducing Dashboard Load Time by 60 % Performance optimization is one of the most practical skills a developer can learn durin...

How to Stop Fast Data from Waiting on Slow Channels Part 25: The Multiplexer, The Timeout, and The Non‑Blocking Read Ethan was watching his terminal output dri...

markdown Benchmark Quality Problems: Leakage, Instability, Weak Statistics, and Misleading Leaderboards !Benchmark Imagehttps://media2.dev.to/dynamic/image/widt...

A Lighthouse score of 95 feels great… until you check what your actual users experience > 40 % of them are getting a Poor LCP. Why? Lighthouse runs in a contro...

Upcoming Hackathons BCH-1 Hackcelerator - Platform: Bitcoin Cash · BCH - Dates: Dec 10, 2025 — Feb 26, 2026 Extended - Action: Register Now RE{DEFINE} Hackatho...

Tokens Everywhere – Which One Should You Use? Tokens are everywhere in modern auth flows. But not all tokens are created equal. In this post we compare three a...

Introduction Every coding‑agent demo looks magical… until you point it at a real codebase. Then it either: - Chokes on context windows - Hallucinates around st...

markdown !Rayne Robinsonhttps://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%...

Building Bitcoin CLI Tools: A Developer's Guide to Lightning Integration The Lightning Network has revolutionized Bitcoin payments, enabling instant micro‑tran...

Interview with Claude Opus 4.5 Two weeks ago, I interviewed an AI about what it actually wants from developer infrastructure. This week, Thomas Dohmke raised $...

Web scraping is the process of extracting data from websites, and it's a valuable skill for any developer. In this article, we'll explore how to build a web scr...

Let this kawaii frog help you count while you help him catch flies! Every click counts as 1 fly eaten....

Hey Dev.to fam! Wabi sabi here. 🌿 I've been thinking about how we level up our design skills as devs, and I realized that sometimes the best way to move forwar...

The Gap That Blocks Tapeout As we neared tapeout, a hard reality set in. Our RTL was verified. But none of that gets you a testable chip. The Problem Nobody Ta...

Introduction We recently added a “Share on LinkedIn” feature to our landing page project, devlog-ist/landing. The goal was to increase user engagement and expa...

Introduction The devlog-ist/landing project focuses on creating an engaging landing page experience. A key aspect of a successful landing page is readability,...

Hey Dev.to fam! Wabi sabi here. 👋 Is it just me, or do we all spend way too much time staring at blue light? I’ve been experimenting with an Analog Detox latel...

If you have ever helped someone set up an e‑commerce store, you know that the digital part is easy. The physical logistics? That is where the headaches begin. R...

Running LLM Agents Locally – A Security‑Focused Reflection Running large language models LLMs locally is easier than ever. With tools like Ollama and framework...

!Cover image for SOLID: No seas el programador que solo 'plancha' funciones 🛑https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,f...

markdown !wellallyTechhttps://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2F...

!Cover image for Building an Extraction Node: Analyzing 400+ HN Job Listings Python vs Node.jshttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cove...

I use React. I don’t like React. I’m stuck with it. My backend is a hot bunch of micro‑services. Lots of them. Referential data everywhere — tickets, users, tea...

What is a Raytracer? A raytracer is a computer program that emits rays into an environment and tracks their interactions to simulate how light behaves. This co...

I asked Cursor to clean up a utility file, expecting it to extract some constants and tighten up the formatting. When I opened the file later, all the comments...

Problem Statement You are given a positive integer n. Return the longest distance between any two adjacent 1 bits in the binary representation of n. If there i...

!Cover image for Pandas 3.0 is Here: Copy-on-Write, PyArrow, and What You Need to Knowhttps://files.catbox.moe/qthhlv.png Introduction & TL;DR The long‑awaited...

!Cover image for I Built an Authentication System With Express.js, MongoDB, Access/Refresh Tokens, Sessions, Rate Limiting & Morehttps://media2.dev.to/dynamic/i...