17430 posts from this source
Feature Toggles Feature Flags com Python e FastAPI E aí, pessoal! Já se pegaram suando frio antes de um deploy, pensando: - “Será que essa nova funcionalidade...
The Problem A Spring Boot filter was rejecting users even though they were marked Verified in the Auth0 dashboard. java Boolean emailVerified = jwt.getClaimAsB...
The Problem with Link‑in‑Bio Services You put a Linktree URL in your Twitter bio. That Linktree points to your GitHub, YouTube, and Instagram. But who can actu...
The Easy‑Apply Trap I'll be honest with you — when I was building SIRAhttps://sira-resume.surge.sh/, I kept seeing the same pattern over and over. Developers w...
Sudoku has always fascinated me—not just as a puzzle, but as a system of logic. Every Sudoku grid is a constraint satisfaction problem disguised as a game. A fe...
Introduction JavaScript runtimes have evolved rapidly. While Node.js dominated for over a decade, 2025‑2026 saw a massive shift toward Bun for high‑performance...
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Testing Voice Agents with Voicetest You can write unit tests for a REST API. You can snapshot‑test a React component. But how do you test a voice agent that ho...
!pichttps://media2.dev.to/dynamic/image/width=256,height=,fit=scale-down,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farti...
First published on design﹢codehttps://lucianofedericopereira.github.io/codecraft/code/in-praise-of-hobbyist-languages-the-unsung-heroes-of-software-development/...
Introduction Nginx “Engine‑X” is a high‑performance HTTP and reverse‑proxy server widely used in various scenarios such as web services, load balancing, API ga...
Renaming WSL Distributions – A Complete Guide You installed Ubuntu from the Microsoft Store and WSL named it Ubuntu‑24.04. You installed another one and got Ub...
Why clone a WSL distribution? You’ve spent hours setting up a WSL distribution—installing packages, configuring your shell, and tuning your development environ...
Have you ever struggled with more environment variables than actual features? DATABASE_URL, SUPABASE_URL, JWT_SECRET, a couple of flags for local vs production,...
Introduction What Are Virtual Machine Scale Sets? Key benefits include: - Automatic scaling – add or remove VM instances based on demand. - High availability –...
!Cover image for The Stateful Scraper: Why Mechanize is Still Relevanthttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=au...
Introduction : L’ingénierie du streaming L’architecture sous‑jacent à la diffusion de contenu multimédia en temps réel repose sur un équilibre précaire entre l...
What Mastra AI Does Well Mastra AI is designed to improve developer experience. It focuses on TypeScript, explicit workflow definitions, and clean abstractions...
markdown !Matthew Houhttps://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...
Overview There are already tools for managing parallel AI coding sessions—e.g., the Codex app and projects like Conductor. While useful, they are opinionated a...
How I Created resiz.sitehttps://dev.tourl/ – A Free Batch Image Resizer with 100 % Client‑Side Processing No uploads, no servers, your images never leave your...
Moving WSL 2 Distributions to Another Drive WSL 2 distributions default to your C: drive. That’s fine when you have a single small Ubuntu install, but it quick...
Shrinking WSL 2 VHDX Files If you’ve been using WSL 2 for a while, you’ve probably noticed your C: drive slowly losing space 10 GB here, 50 GB there. The culpr...
Model Poisoning: Turning Keras Weights into Weaponized File Readers Vulnerability ID: CVE-2026-1669 CVSS Score: 7.1 Published: 2026-02-18 A high‑severity arbit...
Overview LLM Eagle is an AI visibility optimization tool for SaaS, built for developers and indie hackers. Motivation I took on this project not just because t...
Building a city-focused digital platform with Django, structured data, and a clean internal linking model can help you compete for high‑volume local search term...
I spent hours debugging a flaky test that broke because of one line of XPath. The fix? A single Playwright locator that took 10 seconds to write. Here's what I...
!Cover image for The Manifesto That Keeps Our Remote Team Moving Fasthttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=aut...
Production‑Ready AI Agent Framework Benchmark We built AutoAgents – a Rust‑native framework for tool‑using AI agents – and measured it against the established...
Problem There is currently no standard way to control what AI agents are allowed to do at runtime, leading to risks such as accidental data leaks or unauthoriz...
Introduction When people stand in front of an engineering marvel, they usually look up. The “hidden engineering” – structural, mechanical, geotechnical, and en...
Introduction Hey there, cloud enthusiasts! If you're just starting your AWS journey like I am, you've probably heard the term “key pairs” thrown around and won...
Introduction A few days ago I received an unexpected email from Cloudflare: maildock.store had stopped using their nameservers and was at risk of being deleted...
Overview If you use AI coding assistants such as Cursor, Claude Desktop, or VS Code with Copilot, you’ve likely encountered code suggestions that reference API...
I still remember the first time someone on a project said, “Let’s just make a SharePoint list for this.” It sounded harmless. Sensible, even. We had a spreadshe...
> 'We fail every day, but that failure becomes the success of our next attempt.' Failure Repeats Not long ago, a production incident occurred in a service I ope...
The Rules I Set for Myself - AI for learning, never for live interviews – If I can’t solve a problem without AI during prep, I don’t know it well enough. - Und...
!Cover image for BotEmail.ai: Instant Email Inboxes for AI Agents No Human Setup Requiredhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gra...
The AI Resume Problem AI-generated resumes share these tells: - Generic superlatives everywhere. “Passionate and results‑driven software engineer with a proven...
markdown !Star schema with central fact table surrounded by denormalized dimension tableshttps://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-dow...
A Complete Guide to Create and Configure a Fastify Project within a Monorepo Managed with pnpm Workspace Prerequisites - Node.js v22 or higher - pnpm installed...
Overview Are you ready to take your AI and cloud development skills to the next level? The Google Cloud and NVIDIA team is thrilled to announce the NVIDIA GTC...
'Originally published on the AICtrlNet blog
Install Docker Desktop in Ubuntu Linux Docker Desktop provides pre‑packaged MCP servers to interact with web tools, databases, and other systems. It integrates...
'Cleaned‑up Markdown
Introduction Hey Dev — I’m the creator of Flowodo! After using mind maps for years, I noticed that most tools become too heavy, expensive, and complicated—espe...
What is a Private Storage? Private storage is a storage system designed to keep data restricted to authorized users only. It is not publicly accessible over th...
The Problem — Why AI Coding Tools Feel Frustrating Every developer who uses AI‑assisted coding knows the same pain point: 1. Open a long‑standing project. 2. A...
