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var For var, nothing changes. It uses only function or global scope. Using var in the for declaration makes the variable available to the containing function o...

Introducción El túnel VPN está UP. El attachment del TGW existe. El BGP está establecido. Y el ping no llega. Si alguna vez pasaste más de 30 minutos en ese esc...

The kitchen table had become infrastructure without anyone formally deciding it should. Two laptops sat open because one had quietly developed thermal problems...

The AI Tool Graveyard and the Case for Minimalism There is a folder on my desktop called new‑tools. It should not exist. Inside: - abandoned browser extensions...

Introduction Most websites work. They load. But many of them still feel static, generic, and forgettable. I wanted to explore how motion, pacing, and scroll pr...

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Submission for the GitHub Finish‑Up‑A‑Thon Challengehttps://dev.to/challenges/github-2026-05-21 What I Built A neuroscience tool to map, model, simulate, and pr...

Process Overview - Include the devise gem in your Gemfile ruby gem 'devise' - Install the gem bash bundle install - Generate Devise files e.g., the users model...

Firefox Turns out that closing the browser window has different behavior depending on whether you use the X button or the Quit option in the menu. - Clicking Q...

How it works You write a plain‑language blueprint describing what you want to build: markdown Todo App — Blueprint Goal A simple web todo app with task creatio...

I only use Telegram for my Hermes‑agent. I exported our whole chat history and “Tuck,” my Hermes‑agent, wrote a story about it. 47 Days With Tuck: What Happens...

When was your company's MVV last rewritten? At 25h, it has stayed untouched for nine months. Not because it is unfinished. What it means to not rewrite Nine mon...

Introduction When you open messaging apps like WhatsApp, you often see alerts such as “Your messages are end‑to‑end encrypted.” But what does encryption actual...

Retour d'expérience de freelance WordPress sur les incidents les plus fréquents en clientèle et pourquoi la maintenance n'est jamais un luxe. Quand un client ap...

Cross‑Framework Trust — The Substrate Solution If you build agent‑to‑agent infrastructure, you’ve probably hit the cross‑framework trust problem: How does an M...

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Overview Like many developers in today’s market, I’ve been taking freelance assessments and Discord job leads more seriously than I normally would. One of thos...

DeepWrap – A Python SDK, CLI & Local API Wrapper for DeepSeek Chat !DeepSeek Chat screenshothttps://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale...

Overview I run 30+ autonomous pipelines on a single VPS. They post content, audit security, analyze markets, and learn continuously—no human in the loop. Most...

Introduction In this article we explore the concept of tensors in the context of machine learning. From the perspective of someone building a neural network, t...

The Problem We have all done it: after encountering a bug in a staging or production environment, we grab the JSON Web Token JWT and paste it into the first se...

!Cover image for I Tried Building a Complex Security Tool with a 1.5B Local Model — Here's What Brokehttps://media2.dev.to/dynamic/image/width=1000,height=420,f...

INDmoney is great, but opening the app just to check something can turn into a two‑hour deep dive through charts, articles, and yesterday’s changes. I wanted a...

The Problem Every major communication platform today follows the same playbook: offer a free service, harvest user data, sell it to advertisers. Discord, Slack...

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In the early 1830s, London was a city defined by the clatter of industrial machinery and the soot of rapid modernization. Yet, within its drawing rooms and cram...

The Problem We Were Actually Solving Our users weren’t doing semantic search. They were executing treasure hunts: complex, multi‑stage queries where the first...

Bluesky hit 40 million users earlier this year, and unlike Twitter, it runs on an open protocol — the AT Protocol — where public data is genuinely public and ma...

Progress This Week Hi everyone! It’s been a week since my first post. In this past week, I’ve read through research papers on AlphaZero, AlphaGo, and many othe...

Overview I wanted a fast way to test code snippets without opening an IDE or spinning up a REPL, so I built simplelanguages.com. Pick a language, type code, hi...

Stop Wrestling with Dashboards: How to Analyze Your Google Analytics Data with an AI Agent If you have ever opened Google Analytics 4 and immediately felt ment...

Overview Glancer is a Ruby on Rails engine that lets you query your database using natural language. It retrieves the relevant schema context, generates a SELE...

Problem The longer a Claude Code session runs, the worse the model’s judgment gets. Anthropic calls it “context rot.” In one dissected 70 MB session dump, 93 %...

Post 2 of “Scanning Open Source” — one repo per day, scanning and digging into what’s underneath. Post 1 was Dubhttps://dev.to/ryan_patrick_smith/i-scanned-dubs...

Uma engine Rails que permite consultar o banco de dados com linguagem natural, usando RAG e LLMs. Sem precisar escrever código. Todo projeto Rails chega num pon...

The Problem with Overgrown Rules Files A rules file often starts as a single page. Six months later it’s fourteen pages long, and nobody can remember what’s in...

I’m a hobbyist developer who works with sensitive data every day — accounts, crypto wallets, corporate systems, personal communications. One day I had an uncomf...

What just shipped Two new security‑focused features for Claude were announced: Security guidance plugin – a proactive vulnerability scanner that runs as develo...

Every web developer knows TinyPNG. It's been the go-to image compressor for years. But after years of using it, I started questioning: why am I uploading my ima...

Background In 2020, during the pandemic lockdown, I built a working Kubernetes CSI Driver prototype in a hackathon. It was good enough to win, but turning it i...

TL;DR We placed Bifrost in front of the vision‑language model VLM step that captions and rewrites prompts for our product‑photo diffusion pipeline. Semantic ca...

Overview I built an advanced Click Speed Tester that evolved from a basic CPS counter into a complete performance‑tracking tool. The final version includes rea...

One Day. Same Problem. No Error Messages. Just Silence. My Telegram bot wasn't responding. I'd send it a command — analyze AAPL — and nothing came back. I chec...

The AI Developer Bottleneck Is Real. Here’s the System Built to Eliminate It. It’s 11 pm. You asked the agent to build an API endpoint two hours ago. It’s done...

Quick reminder Allows you to scrape web content with SQL, like you would query a database. Creating a FREE account unlocks automation features and higher usage...

Overview A slow AllReduce on rank 5 lines up against TCP retransmits on rank 5’s NIC, four ms before the collective completes. When a multi‑node training job s...

Introduction Hey Dev Community 👋 I'm excited to finally share FreeDevUtils — a big collection of 60+ completely free developer tools that run entirely in your...

Overview Rails Realtime ERD is a Ruby on Rails gem that lets you visualize your schema ERD diagrams in real time directly inside your application. No manual im...