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Introduction Blockquotes are essential for structuring, clarifying, and emphasizing content in writing. They can be used for quotations, notes, warnings, code...

Domain Events Domain events implement this interface: php interface DomainEvent { public function aggregateRootId: string; public function displayReference: st...

Overview Implement an EventEmitter that allows subscribing to events, emitting events with arguments, and releasing specific subscriptions. Boilerplate javascr...

🚀 Executive Summary TL;DR: Pacemaker’s default auto‑failback behavior can disrupt an active DRBD primary by attempting premature promotion on a recovering nod...

A Simple but Real Problem Let’s start with a very common requirement: run multiple tasks at the same time and wait until all of them are finished. This pattern...

'Post‑Installation Tweaks for Fedora Silverblue Personal notes on what I do after a fresh install of Fedora Silverblue.

If you are building a web application today, there are two heavyweights competing for your attention In the red corner, we have JavaScript—the king of the web;...

O que é o eslint‑plugin‑jsx‑a11y? É um plugin do ESLint que faz uma análise estática do seu código JSX para identificar e aplicar um conjunto de regras de aces...

O useId é um Hook do React disponível a partir da versão 18 que gera identificadores únicos e estáveis dentro de um componente. Ele retorna uma string garantida...

O Conceito de Conjunto Set Vamos ver como o Lodash nos ajuda a aplicar isso na prática, comparando-o com o código JavaScript “puro”. Exemplo 1: União Combinand...

Lidar com grandes volumes de dados em aplicações web pode ser um desafio de performance. Ninguém gosta de uma tabela lenta ou travando, certo? A seguir, quatro...

O que isso resolve? Recentemente, apliquei o padrão Higher-Order Component HOC para desacoplar a lógica de autenticação da renderização dos componentes. Com um...

React.memo Memoriza um Componente O que faz: Envolve um componente funcional. Se as props do componente filho forem as mesmas da renderização anterior, o React...

🚀 Executive Summary TL;DR: A lack of curiosity in DevOps leads to inefficiencies, repetitive incidents, and resistance to innovation—often more detrimental th...

Se você trabalha com validação de dados em projetos modernos, a pergunta é inevitável: por que migrar do estabelecido Yup para o crescente Zod? 💡 A Vantagem do...

1. Introduction — You’re Not Alone If you’re an Android developer on Windows, you’ve likely felt this pain: - The Android Emulator lags badly, even for simple...

!Sebastien Latohttps://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...

The problem with live quizzes today - Participants need to create accounts - Apps need to be installed - Free plans are extremely limited - The experience feel...

🚀 Executive Summary TL;DR: IT professionals often struggle to explain high software costs to leadership, who view IT as a cost center. The solution involves d...

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

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Extending the Windows C: Partition When a Linux or Recovery Partition Is in the Way > ⚠️ IMPORTANT: Before performing any of the steps below, back up the data...

Chaos Proxy Overview JavaScript Proxy objects can intercept and redefine fundamental operations. This example demonstrates a simple proxy that randomly returns...

Overview I’m the sole developer at a car dealership, also handling several other departments. Development work is always a secondary priority, but in just 10 m...

Hace unos días en Las Vegas 1 al 5 de diciembre se llevó a cabo AWS re:Invent 2025. Algunos de los contenidos estuvieron enfocados en el desarrollo de IA median...

In the past few months Alongside our normal feature work, I’ve: - Cut our CI test times by 70 % - Reduced API requests by 30 % - Shipped features that had been...

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...

When working on a feature branch, you may need to incorporate the latest changes from main. Rebasing lets you “replay” your branch’s commits on top of the updat...

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Introduction As Generative AI becomes integrated into enterprise workflows, the risk of Prompt Injection has moved from a theoretical threat to a critical vuln...

Google A2UI: The Future of Agentic AI for DevOps & SRE Goodbye Text‑Only ChatOps !Cover image for Google A2UI: The Future of Agentic AI for DevOps & SRE Goodby...

Observations after releasing TWD A few weeks after releasing TWD – a tool designed to integrate testing directly into the development workflow – I started crea...

The Problem with Agile Simplicity > “Agile in one sentence: Inspect and adapt.” > Or maybe “Deliver value early and often.” Every consultant has an elevator pi...

Introduction Tossing a basic frontend on top of an AI chat API is something you can almost do in your sleep now. But building something that actually understan...

'The URL shortener market is saturated.' I've heard this a hundred times. Bitly, TinyURL, Rebrandly, Short.io... why would anyone build another one? Here's why...

This is a submission for the DEV's Worldwide Show and Tell Challenge Presented by Muxhttps://dev.to/challenges/mux-2025-12-03 What I Built FutureMe AI is a pers...

The Initial Struggle In our last episodehttps://dev.to/hrishikesh_dalal_ced8f95e/system-design-0-to-1-how-whatsapp-scales-to-2-billion-users-ep-1-5d1j, we disc...

Introduction If you’re a software engineer exploring GenAI or AI engineering, it can feel like you’re supposed to start over. That assumption doesn’t hold. Wha...

The Problem with Social Media Data Social media data powers many modern products — from analytics dashboards to AI pipelines and automation tools. On paper, mo...

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Desplazamiento en el tiempo delayfor:tolerance:scheduler:options:https://developer.apple.com/documentation/combine/publisher/delayfor:tolerance:scheduler:optio...

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The Great Frontend Shift: React → Angular 2026 The frontend landscape is experiencing a seismic shift. After nearly a decade of React's dominance, Angular is ma...

Introduction When you subscribe to a Combine publisher, you might expect values to start flowing immediately. However, some publishers wait for an explicit sig...

markdown ERGamesPRO – On‑Demand Minecraft Hosting on AWS Most Minecraft server hosts have a fundamental flaw: they charge a monthly subscription for a server th...

The Problem: Slow Decision‑Making in AI‑Driven Incident Response Your AI agent takes ~8 seconds to decide what to do during a production incident. At high‑traf...

For as long as I can remember, I’ve not been a great test taker. Timed exams, dense wording, and second‑guessing myself under pressure have never played to my s...

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