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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...

Desktop Launchers on Ubuntu 24 and most Linux desktops Desktop launchers are defined by .desktop files – small, text‑based configuration files that describe an...

markdown !Rosthttps://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%...

BubbleTea Go vs. Ratatui Rust – A Quick Comparison Two strong options for building terminal user interfaces TUIs today are BubbleTea Go and Ratatui Rust. This...

In this article I share my journey with ActiveRecord. When I first started with Rails, I thought ActiveRecord was just “magic” to save data to the database. Aft...

Error Handler Sub-Workflow Don't scatter error handling across your main workflow. Create a dedicated error handler: text Main Workflow → On Error → Call Error...

markdown !Mothhttps://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%...

'markdown Click here for Github repo

This is Part 1 of my SOLID Principles in C series. Each article walks through a principle with real code, the kind you'd actually see in a production codebase....

ImagePullBackOff – Why It’s Usually an Identity Problem, Not a Registry Problem By 2026, when your pod ends up in ImagePullBackOff, the registry is usually fin...

Why I built this I kept seeing the same failure pattern with local 20–30B models: - brittle tool behavior - occasional non‑answers - inconsistent step executio...

Background My day job is Finance Ops and accounting, not software engineering. In the DACH region the gap between what accountants need and what developers bui...

What are microservices? !Microservices overviewhttps://dev-to-uploads.s3.amazonaws.com/uploads/articles/c3tfqm8jud1ctsr8taoo.png How do microservices differ fr...

Overview I’ve been working on a side project called Mindpad, a simple note‑taking app that prioritizes privacy through end‑to‑end encryption. Why a New Note‑Ta...

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Supply Chain vs. Runtime Exposure Supply‑chain security Cisco focus – You install an MCP server. If the server code contains hidden instructions, they can exfi...

Introduction Your AI agent is running in production, calling APIs, making decisions, and spending money. If it goes sideways—gets stuck in a loop, hallucinates...

!Cover image for The Polyglot Trap: Why Mastering Just JavaScript and Python is Your Ultimate Superpowerhttps://media2.dev.to/dynamic/image/width=1000,height=42...

Focus on Network Requests, Bandwidth Consumption, and Client Execution Model In modern web architectures, performance is not only about rendering speed. A criti...

Why Writing Helps Learning Forces Clarity Vague understanding is exposed when you try to write it down. You can't write clearly about what you don't understand...

AI agents are executing code, reading files, and making API calls on your behalf every day. The tools they use — MCP servers — are the new attack surface nobody...