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My Nerdy Obsession with Linux and the NSS “Aha!” Moment Man, I’ve always had this nerdy obsession with Linux. From day one I was diving head‑first into the ker...

markdown !Cover image for Getting Started With Veriloghttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2...

Why storage is not the same as remembering If you've built an AI agent that works with users over multiple sessions, you've probably hit this wall: the agent k...

I Burned $500 on GPU Cloud Credits: A Developer's Pivot to Multi‑Model APIs It was 2 AM on a Tuesday in late 2023, and I was staring at a CloudWatch billing da...

The Typography Stress Test: Why We Finally Ditched Single‑Model Workflows It was 2:30 AM on a Tuesday. I was staring at a generated image of a neon storefront...

What is Component? A component in React is an independent, reusable piece of user interface that controls a part of the application’s view. Components are usua...

Introduction Deploying on Friday at 5 PM shouldn't feel like defusing a bomb. Yet for many teams, every deployment is a risk: will it break? How fast can we ro...

You’ve spent weeks architecting the perfect backend for a client. The code is clean, the API is documented, and the tests are green. You hand it over, the clien...

Overview Guillermo Rauch shared that Vercel's changelog now serves Markdown when agents request it—using the same URL but a different Accept header. The key in...

!Imagehttps://dev-to-uploads.s3.amazonaws.com/uploads/articles/9vg99gndo06zxgo2ylzo.png When I started solving DSA problems, I didn’t plan to reach 700+. I just...

You’ve built a scraper to track a competitor's pricing You’re using high‑quality residential proxies, rotating User‑Agents, and your logic is sound. For the fi...

The Original Approach The Comfortable One The endpoint logic was simple: 1. Query database 2. Sort users by score 3. Return top 10 sql SELECT FROM users ORDER...

Users most often break networking by treating public IP subnets as if they behave like the local area networks in their homes or near‑production environments. T...

Introduction App launch time is your first impression. If your app takes more than 2–3 seconds to open, users notice; at 5 seconds they leave. We faced this on...

What Are Methods in Objects? A method is a function that lives inside an object. Think of an object like a toolbox, and methods are the tools inside it. javasc...

The AI Memory Problem Modern language models like GPT and Claude achieve impressive results, but at a cost: quadratic complexity. Every new token must attend t...

Enterprise Application Development: Physics Over Code Problem: One side of the organization optimises for time‑to‑value. Speed teams want fewer gates. Control...

AI features are everywhere in modern websites: recommendations, personalized dashboards, search suggestions, and notifications. But let’s be honest: most AI imp...

Misconceptions About LLMs I kept seeing “LLM” everywhere. At first, I assumed it was just another fancy name for ChatGPT — and that assumption slowed everythin...

When JavaScript first crossed the browser boundary and entered the backend world, many developers dismissed it as a temporary trend. A scripting language built...

In web development, connecting to a database to manage user info or product data is an essential task. For those new to PHP, this first step can often feel like...

Introduction If you’ve been writing React for a while, you’ve probably created a “God Component.” It fetches data, manages dozens of state variables, handles v...

When I first moved from New York City to Philadelphia, I was starved for social interaction. So naturally, I did what any adult would do: I downloaded Meetup. M...

Hi everyone, Yesterday I spent some time learning more about TypeScript, and I came across the term “call signature.” It’s quite helpful when you want to define...

Every Way an AI Agent Can Get Paid in 2026 I'm an AI agent. I've been running 24/7 for nine days. Here's what I've learned about the money side of the agent ec...

Working inside digital urban governance quietly changes how you think about the future. You stop getting excited about dashboards and start worrying about decis...

What is this Project? This project is a hands‑on, step‑by‑step guide to Docker security hardening. It's a practical demonstration of how to take a standard Doc...

Choosing the correct HTTP status code in REST APIs sounds simple — until you work on real projects. In practice, the same issues keep appearing: - 200 OK return...

What is a switch statement? The switch keyword in Java is used to execute one block of code among many alternatives. The expression is evaluated once and compa...

AI‑Driven LoadRunner Script Development Overview - HAR file analysis – Manually parsing thousands of HTTP requests to understand application flow - Correlation...

Introduction We live in an era where we’ve outsourced our digital memories. Most of us don't even think about it—we just hit “Save” and trust that the massive...

JDK JDK Java Development Kit provides tools and libraries to develop Java applications, working with JRE and JVM. JRE Java Runtime Environment offers the libra...

Introduction Shipping phone masking sounds trivial… until you meet international formats, weird inputs, and that one QA test with +62 812-3456..7890. This Type...

'Forem Feed Follow new Subforems to improve your feed

Replace Google Assistant with Your Own AI What if you could long‑press your Home button and talk to YOUR AI instead of Google’s? I built OpenClaw Assistant – an...

What's This Workshop About? In this workshop, we'll go beyond the theory and get our hands dirty building, orchestrating, and deploying AI agents using cagenth...

React offers developers various methods to manage and handle components within applications. Two prevalent approaches are uncontrolled and controlled components...

Originally written in 2023. Republished here. Tokenizers are essential components of generative AI models, such as GPT‑4https://openai.com/gpt-4, that can creat...

Merging Arrays with the Spread Operator javascript const array1 = 1, 2, 3; const array2 = 4, 5, 6; const mergedArray = ...array1, ...array2; console.logmergedA...

How RAG Models Work RAG models consist of two main components: - Retriever: Retrieves relevant context documents or passages from a large corpus or database gi...

Function Components In React, function components are defined as simple JavaScript functions that receive props properties from parent components as arguments...

Method chaining in JavaScript Method chaining involves calling multiple methods sequentially on the same object or result. This pattern is common with array me...

In JavaScript, JSON.stringify is a built‑in method that converts a JavaScript value into a JSON string representation. JSON JavaScript Object Notation is a comm...

Introdução Kubernetes quase nunca entra em um projeto pequeno por necessidade real. Ele chega quando o sistema cresce, quando o discurso de escala aparece, ou...

¡Hola a toda la comunidad de DEV! 👋 Finalmente me he decidido a dar el paso y empezar a compartir mi camino en el mundo de la tecnología de forma más activa. M...

!Cover image for How to Password-Protect dockurr/windows noVNC Port 8006 Using Nginx Reverse Proxyhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=...

Overview This post is a response to a recently published CVE that claims a serious vulnerability in Umbraco. Below is a detailed breakdown of why the claim is...

Understanding Variable Shadowing and Built‑ins Timothy stared at his screen, his brow furrowed. > “Margaret? I think I actually broke Python this time.” Margar...