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DEV Community · Technology

[pt-BR] 🧠 Lógica de Programação: Pensando de Forma Simples

Muitos iniciantes têm dificuldade em programação não por causa do código, mas por causa da lógica. Eles entendem o problema… mas não sabem qual operação usar. Vamos resolver isso de forma simples. 🧠 O que o problema está pedindo? Antes de fazer qualquer coisa, pare por um segundo e ent...

jhorndev 1 day ago

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DEV Community · Technology

We Built a Medical AI With 383 Specialist Agents. Here's What Actually Works (and What Doesn't)

So here's the thing. We spent 18 months building a medical AI platform and I want to share what we actually learned. Not the polished pitch deck version. The real stuff. The Problem We Were Trying to Solve If you've ever been to a doctor and felt like they were rushing through your appoi...

Helios Med 1 day ago

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DEV Community · Technology

I built a tool that fixes Claude Code's most annoying problem — and here's what's coming next

If you use Claude Code seriously, you've hit this wall: You give Claude a complex task, switch to another window, come back 20 minutes later — and it's been completely frozen the entire time, silently waiting for your approval. No notification. No sound. No focus switch. Nothing. It kills your pro...

wilbert tan 1 day ago

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DEV Community · Technology

100 Daily Challenges to Learn Web3 and Solana

Web3 is different. But it doesn't have to be hard. Most of what you do in a Web3 ecosystem, like Solana, maps directly to things you already understand from building web and mobile apps. You just need to learn some new terminology and assumptions first. That's why we're launching 100 Days of Sol...

Matthew Revell 1 day ago

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DEV Community · Technology

Women in Tech: Global Map 🌍💖

This is a submission for Weekend Challenge: Earth Day Edition What I Built Women in Tech — Global Map 🌍💖 An interactive, pixelated 3D globe that visualizes the percentage of the tech workforce that is female in countries around the world. The project highlights the global gender gap i...

Laura Norwood 1 day ago

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DEV Community · Technology

How to Run LLMs Locally with Ollama — A Developer's Guide

You don't need an API key or a cloud subscription to use LLMs. Ollama lets you run models locally on your machine — completely free, completely private. Here's how to set it up and start building with it. What is Ollama? Ollama is a tool that downloads, manages, and serves LLMs locally....

Pavel Espitia 1 day ago

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DEV Community · Technology

Building an Information Firewall for AI Agents

Published: true Description:TrustBoost is an open source middleware that redacts PII and verifies payments on Solana for autonomous AI agents. tags: aiagents, opensource, privacy, solana 🛡️ TrustBoost: Information Firewall for AI Agents I've been building AI agents (local and cloud-base...

T C 1 day ago

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DEV Community · Technology

Multi-Stage Docker Builds: How I Cut a React Image from 760MB to 94MB

I built two Docker images for the same React app this week. One was 760MB. The other was 94MB. Both loaded the exact same website in the browser. That 87.6% difference is the story of this post. The Setup This is Week 14 of my DevOps Micro Internship. The project: containerize a R...

Vivian Chiamaka Okose 1 day ago

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DEV Community · Technology

When “Everything Is Correct” but Your Database Still Won’t Connect (Supabase + Prisma)

I recently hit a frustrating issue while connecting Prisma to a Supabase Postgres database. At first glance, everything looked fine: Correct credentials ✅ Database status: healthy ✅ Prisma schema: valid ✅ But then: ❌ "Can't reach database server at port 5432" ❌ "Network is unreachable" ⚠...

Ezenagu Chinemerem 1 day ago

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DEV Community · Technology

Why Is Everyone Rushing for VMware to AWS Migration? Top 7 Reasons Explained

Introduction The VMware to AWS migration trend has reached a tipping point in 2026. Following the Broadcom acquisition, enterprise CTOs are no longer just exploring the cloud; they are executing aggressive exit strategies to avoid a 300% to 1,500% increase in renewal quotes. Every quart...

Jay Mahyavansh 1 day ago

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DEV Community · Technology

Introducing hwp-mcp: Korean document support for Claude via MCP

Korean office documents (.hwp / .hwpx) are everywhere in Korean government, enterprise, and legal workflows. Until now, Claude, ChatGPT, and Cursor couldn't read them natively — a real blocker for anyone building AI systems for Korean organizations. We (TreeSoop) just released hwp-mcp, an open sour...

TreeSoop 1 day ago

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DEV Community · Technology

Array Iteration Methods

Array Iteration Methods in JavaScript 1. forEach() Executes a function for each element Does NOT return a new array let arr = [1, 2, 3]; arr.forEach(function(num) { console.log(num * 2); }); Output: 2 4 6 Use when you just want to print / perform action 2. map() Transforms...

Kesavarthini 1 day ago

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DEV Community · Technology

How Voice Data Travels: With Internet vs Without Internet 📞🌐

A developer's deep dive into what actually happens when you make a phone call So you're building a voice call feature in your app. You pick up a library, maybe WebRTC or a third-party SDK, and things just... work. But then a question hits you mid-implementation: "Wait — how is voice data actual...

Munna Thakur 1 day ago

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DEV Community · Technology

Kubernetes Deployment Strategies: Rolling, Blue-Green, and Canary Explained

Kubernetes Deployment Strategies: Rolling, Blue-Green, and Canary Explained When you push a new version of your app, how it gets deployed matters. The wrong strategy means downtime, or worse — breaking production for all users. Here are the three main strategies and when to use each....

Yash 1 day ago

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DEV Community · Technology

A Practical WordPress Cloud Workflow: Using Pantheon and the Block Editor

Building WordPress sites in 2026 shouldn't involve clunky local servers that crash or "only work on your machine." For developers and students in programs like WDIA, professional workflows mean Cloud-Native development. This tutorial will take you from zero to a live, collaborative site using Pant...

Behzad Ghafoury 1 day ago

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DEV Community · Technology

PVS-Studio 7.42: Testing new analyzers, expanded MISRA C++ 2023 support, and more

PVS-Studio 7.42 is now released. This version features expanded support for MISRA C++ 2023, a plugin for Qt Creator 19, official integration with CMake, and other useful improvements. Keep reading for details. Testing JavaScript and Go analyzers On April 6, we launched an open testing...

Unicorn Developer 1 day ago

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DEV Community · Technology

Hot take: most "AI-powered" products are just regular products with an API call in the middle

That's not a diss. It's where most teams start. But there's a real gap between wiring up an LLM and actually building a system that learns from its environment, adapts to changing conditions, and doesn't quietly rot the moment your data drifts. This is where product engineering starts to matter, es...

codecraft 1 day ago

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DEV Community · Technology

NiFi on Kubernetes without ZooKeeper: why your readiness probe needs to know about ordinals

Running NiFi 2 on Kubernetes without ZooKeeper simplifies your infrastructure — but it shifts the responsibility for cluster stability onto a probe configuration most teams get wrong. Why ZooKeeper-less? Apache NiFi 2 introduced KubernetesLeaseLeaderElectionProvider, which lets NiFi u...

Eduardo Sanhueso 1 day ago

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DEV Community · Technology

NiFi on Kubernetes without ZooKeeper: why your readiness probe needs to know about ordinals

Running NiFi 2 on Kubernetes without ZooKeeper simplifies your infrastructure — but it shifts the responsibility for cluster stability onto a probe configuration most teams get wrong. Why ZooKeeper-less? Apache NiFi 2 introduced KubernetesLeaseLeaderElectionProvider, which lets NiFi u...

Eduardo Sanhueso 1 day ago

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DEV Community · Technology

I Built an MCP Server That Keeps Your i18n Translations in Sync (With AI)

Description: LinguaGuard is a Model Context Protocol server that detects missing keys, removes dead translations, and uses Claude AI to auto-suggest translations — all from your editor. Ever shipped a feature and forgot to add the French translation? Or found 200 unused keys rotting in your locale f...

Prodip Sarker 1 day ago

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DEV Community · Technology

Porting a SwiftUI App to Avalonia: How does Cross-Platform .NET hold up

Let me start with a confession: I love SwiftUI. I don't love the fact that roughly 70% of developers outside of Apple's walled garden can run my SwiftUI app. That math doesn't work when you're building a developer tool. So when I set out to ship Ditto Edge Studio — our debug and query tool for the...

Aaron LaBeau 1 day ago

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DEV Community · Technology

I Was Paying Anthropic to Read CSS Class Names

I burned through 176 million Anthropic tokens last Wednesday. You can see the spike in the screenshot further down. Most of that was productive Claude Code work, but when I tracked down the anomaly I found a batch job quietly shovelling raw HTML into Claude Sonnet 4.5 for summarization. The prompts...

Aral Roca 1 day ago

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DEV Community · Technology

Building Authentication From Scratch in Go — No Libraries, No Magic

In Part 2, I had a working REST API with two endpoints. You could create entries and query them. But anyone could hit the API — no login, no tokens, no protection. This post is about the day I decided to build authentication from scratch, and the Go pattern that changed how I think about HTTP serve...

Abhishek Sharma 1 day ago

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DEV Community · Technology

I Built a New Drupal Canvas SDC Module With AI in Under 6 Hours—and the Review Process Still Mattered

Less Than Six Hours From Idea to Dev Release: Building a Drupal Module With AI, Deliberately Last night, during a Chattanooga Drupal User Group call, Mike Herchel invited Pameeela to share an idea she had been exploring for Canvas: how to support entity-backed content inside Single-Direct...

James Candan 1 day ago

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