Dev.to

Node.js has been powering production APIs for well over a decade now, and in 2025 it’s no longer “new” or experimental, it’s infrastructure. That maturity has c...

Hi everyone, Imagine typing: 'Show me the car chase scene' and within seconds getting a perfectlyalmost perfectly 😅 cut video delivered to your screen In this...

Sometimes people joke that we become software engineers because we 'like computers more than people' - the implication within this being that we'd rather avoid...

Las 5 Estructuras de Datos que Dominarán tu Próxima Entrevista Técnica Si estás preparándote para entrevistas en empresas como Mercado Libre, Nubank, Rappi, Glo...

Let me start by snitching on myself. I’ve spent hours tweaking productivity systems. Obsidian graphs looking clean as hell. And somehow… nothing important shipp...

A 3TB Western Digital Blue died in a data center in Council Bluffs, Iowa, and took with it everything I thought I knew about search engine optimization. The fir...

JavaScript code is not executed natively by an engine the moment a task appears in the call stack. Most articles focus on how the Event Loop works, leaving out...

S3 Security Basics No Extra Cost S3 is one of the most popular storage services in AWS due to its simplicity. You can easily store large amounts of data for mu...

Overview How would you architect an e-commerce build for a longevity clinic given the following requirements? - Some SKUs require a prescription including inje...

!Cover image for TanStack Router Setup in Our React SaaS Template - 2026https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=...

!Cover image for Azure OpenAI's Content Filter: When Safety Theater Blocks Real Workhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=...

!Cover image for LLMs are like Humans - They make mistakes. Here is how we limit them with Guardrailshttps://media2.dev.to/dynamic/image/width=1000,height=420,f...

Overview I've been experimenting with a workflow that multiplies developer productivity by running multiple AI agents in parallel, each working on its own feat...

The Dilemma of Using TypeScript with AI Agents When you let AI agents write production code, you face a fundamental dilemma: TypeScript provides crucial guardr...

Most people focus on AI for customer service, but the real productivity killer is internal: bottlenecks in knowledge sharing. I built a web app model to solve t...

markdown My “Crazy” or Sanest Production Server in My Living Room I built a production server in my living room. While most people are still dumping money into...

Introduction I love this community, but I’m only five minutes away from deleting my bookmarks. Lately, about 80 % of the “technical” articles feel like they we...

Computação em Nuvem: da teoria à prática A computação em nuvem deixou de ser um tema restrito a grandes empresas e passou a fazer parte do cotidiano de desenvo...

So here's the thing My friend was trying to grow his motivational page through trends. He kept telling me how he missed trends every time. By the time he notic...

'Tailwind Labs Layoffs and the AI‑Driven Revenue Crisis Source: GitHub PR 2388 January 6, 2025

!Cover image for How to Add Comments to a Flutter App Without a Backendhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=a...

I’ve been thinking for a while about whether it’s possible to build a chat system that minimizes identity assumptions as much as possible. I ended up building a...

GRPM – Go Resource Package Manager If you've ever used Gentoo Linux, you know Portage. It's powerful, flexible, and… Python‑based. For years—literally years—I...

Document Insights Tool – AI‑Powered PDF Extraction !Faisal Malikhttps://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https...

Overview AI image generation is powerful, but writing effective prompts remains a major barrier for many creators. Promptelle is an AI photo prompt platform de...

The “Performance Phase” of React Development If you’ve been writing React for a while, there’s a phase you inevitably enter: The “performance phase.” You stop...

Introduction I'm building domharvest‑playwright, an open‑source DOM extraction tool focused on simplicity and reliability. This is the first post documenting t...

Winners of the AI Agents Intensive Course Writing Challenge - 🏰 A Most Illuminating Excursion: The Staff of Westmarch Attend Google's 5-Day AI Agents Intensiv...

Hi there, It's 2026 and building an app with React Native could not become easier. Thanks to the open‑source React Native community and the Expo ecosystem, anyo...

Introduction If you contribute to open source, work in a collaborative engineering team, or operate in cloud and CI/CD‑driven environments, you’ve probably fel...

!Cover image for AI SEO agencies Nordichttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads...

! https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%...

The Core Idea Ethereum and EVM chains in general allow you to query contract state as it existed at any historical block. If a contract method is view or pure,...

!Understanding useRef in Reacthttps://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads...

Problem Description The task is to find the k‑th largest element in an unsorted array that may contain duplicates. The k‑th largest element is the element that...

First Attempt and Billing Issues My first experience with AWS was in 2023 when the free tier offered 12 months of usage. I set up a free server to host a hobby...

Conversión de HTML reducido a Markdown con un árbol sintáctico En uno de mis proyectos laterales o “mascota” escribí un pequeño parser para un HTML reducido, p...

10 AWS Production Incidents — What Really Broke & How I Fixed Them After handling hundreds of AWS production incidents, I’ve learned that textbook solutions ra...

markdown !Cover image for React RSC Exploits Are Real and It's Hurting Engineering Teamshttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,grav...

For years the JavaScript ecosystem felt settled: Node was the undisputed king, Deno the academic alternative, and “speed” was simply “fast enough.” By 2026 the...

How do you know if your agent is actually working? It’s one of the most complex but critical questions in development. In our latest episode of the Agent Factor...

What is a Constructor? A constructor is a special method in Java that is automatically called when an object is created. - The constructor name must be the sam...

!Cover image for Technologies and Concepts: Cloud Practitioner CLF-C02https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=au...

The status quo of web scraping is broken for AI. For a decade, web extraction was a war over CSS selectors and DOM structures. We wrote brittle scrapers that br...

Introduction Generics aren’t something you use in React components every day, but in certain cases they let you write components that are both flexible and typ...

Introduction Imagine this situation: a client calls one API, but behind the scenes your backend must: 1. Call Customer Service 2. Call Order Service 3. Call Pa...

A carousel or slider is a great way to display a series of images or content, one at a time. You can use buttons to navigate through them. Below is a simple imp...

What is WordPress? - WordPress is a popular content management system CMS that powers over 40% of all websites on the internet. - It's an open‑source platform...