Dev.to

Introduction Your monitoring says 100 % uptime. Your customers say the checkout is broken. Both are telling the truth. Here are five real failures that slip th...

markdown The Agentic Manifesto: 4 Core Values In this era of agentic autonomy, we have come to value: - Human Intent over exhaustive Technical Requirements. Hum...

A Response to “How to be a 100× Engineer with AI” _Last week, @rohit4verse posted a thread on what separates 100× engineers from “vibe coders” in 2026. His cor...

Preparación bash Crear el directorio del sitio sudo mkdir -p /var/www/{your-domain}/ Asignar propietario y permisos bash Asignar el usuario dueño del directori...

Background Many of us have heard the mantra that idiomatic code comes at little to no cost and that the benefit to legibility vastly outweighs any performance...

Introduction If you work across multiple Python projects, you’ve probably accumulated a graveyard of old .venv folders. Some are active, some are stale, and so...

Previously In my previous article, I wrote about catching Claude Code silently reading API keys from an iOS project — not even in the current directory, but in...

Retrieval‑Augmented Generation RAG Overview RAG has grown from a single blueprint into a diverse ecosystem of architectures, each tuned for specific performanc...

Submission for the GitHub Copilot CLI Challengehttps://dev.to/challenges/github-2026-01-21 What I Built I built BoxFinder, an iOS app that helps track physical...

If you ever want to be an SRE—a real site reliability wizard—you have to speak the language of the trade. It isn’t “install Prometheus” or “deploy Kubernetes.”...

Overview DVTRGA is a proprietary, signed, and shielded graphics engine built exclusively for Neuro‑OS Genesis. With the arrival of DVTRGA 2.0 — Hypersonic SIGL...

What is Git? Git is a distributed version control system that manages versions of source code or data. Programmers use it to collaborate on projects efficientl...

If you’re running Laravel inside DDEV and want access to boost:mcp—this config’s for you. Includes WSL config for Windows users. Using Laravel Boost with DDEVht...

!Cover image for Idempotent APIs in Node.js with Redishttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2...

Are you sure you want to hide this comment? It will become hidden in your post, but will still be visible via the comment's permalink. Hide child comments as we...

Most developers don’t fail because they can’t code. They fail because they build without structure. You’ve probably felt this: - You start a project excited. -...

!Cover image for Stop Configuring Nginx: The Easiest Way to Deploy Go & React with HTTPShttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,grav...

Make’s operation‑count pricing becomes a hidden tax once you’re processing more than 50 k records a month. After migrating 47 production workflows ≈2 M operatio...

Your server returns 200 OK. Your monitoring says “UP.” Your customer sees a blank page. This gap between “server responding” and “app working” is what most moni...

The security landscape for modern web applications is constantly changing, ranging from conventional assaults like SQL injection and XSS to vulnerabilities in c...

Overview Draughts Pro is more than just a checkers app; it’s a tribute to the global popularity of the game. Built with inclusivity at its core, the platform b...

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

Overview Every time I shipped a new website or side project, I found myself rebuilding the same thing again: a logo section. Whether it needed a grid, scroll,...

Se você joga online e sofre com picos de ping lag sempre que alguém abre um vídeo ou faz um download em casa, o problema não é a velocidade da sua internet, mas...

Your monitoring dashboard says 100% uptime. Your customer just emailed: “The checkout page is broken.” Sound familiar? The hidden problem Most monitoring tools...

Are you sure you want to hide this comment? It will become hidden in your post, but will still be visible via the comment's permalink. Hide child comments as we...

Two years ago, Jason and I started what became known as the BLT Lettuce Project with a very simple goal: make it easier for newcomers to OWASP to find their way...

How Ktzchen Web3’s Trace API helps debug execution, gas usage, and internal calls When building Ethereum backend systems, things usually work fine—until they d...

Introduction Last month, a SaaS founder discovered their checkout page had been returning 502 errors for three days while their APM showed everything green. Th...

Building an Incremental dbt Model for Cortex Search Service RAG This is an English translation of the original article: To build Retrieval‑Augmented Generation...

Overview This is a submission for the GitHub Copilot CLI Challenge. terminal-escape-room is a cross‑platform CLI text escape‑room game. You progress through ro...

How We Got Here > Note: This section is a brief history of AI coding tools. If you just want the Cursor vs Claude Code comparison, skip to The $500 Problem. I...

Introduction Building generative AI applications in Java used to be a complex, boiler‑plate‑heavy endeavor. You’d wrestle with raw HTTP clients, hand‑craft JSO...

Background Saturday night, almost eleven. I’m on the couch with a beer, a show playing in the background, when my phone buzzes on Discord: Hey Daniel, my bot s...

Se você já se pegou pensando “putz, esse if/else aqui tá crescendo demais” ou “cada nova regra quebra algo que já funcionava”, é bem provável que o padrão Strat...

!Cover image for How I Would Set Up A Replica Set In MongoDB If I Was A Beginner.https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=aut...

IndieWeb‑Friendly Blog Themes Ask anybody on the IndieWeb what they think about blogging, and you’ll most likely get a rather passionate, long‑winded answer. I...

A good rule: If you can go 3–6 months without touching Xcode/Gradle, Expo is almost always the better trade. If you’ll touch native every sprint, go bare....

!Cover image for Primary & Secondary Keys In Power Bi.https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2...

Problem Telegram Desktop allows you to export chats, but the export format is JSON. When you need to work with a Telegram chat outside of Telegram, the JSON ex...

The uptime monitoring market got a wake‑up call in July 2025. Prices for UptimeRobot jumped from ~​$8 /month to $34 /month overnight—a 425 % increase. Suddenly,...

Introduction Hi everyone! I’m a full‑stack engineer and, like many of you, I’m tired of “utility” websites that are bloated with ads, cookies, painfully slow,...

KPI‑Pressured Agent Benchmark A new arXiv paper introduces a benchmark targeting a specific failure mode in agentic systems: outcome‑driven constraint violatio...

If you can go 3–6 months without touching Xcode/Gradle, Expo is almost always the better trade. If you’ll touch native every sprint, go bare. reactnative fronte...

Decoupling Orchestration from Reasoning In this post, I’ll show how to design a clean, maintainable architecture for AI systems using Convo‑Lang. As a concrete...

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

!Cover image for Mac vs PChttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws...

Study Overview Dave Farley recently shared results from a controlled study of 150 developers using AI tools. The data confirms a hard truth that the “vibe codi...