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DEV Community · Technology

Hello Dev.to!👋 I'm starting my journey as a developer🌱

👋 Hello Dev.to! Hi, I'm Umitomo 🐠 from Japan 🇯🇵 I work as an in-house systems engineer, mainly focusing on IT infrastructure and security. 💼 What I do In my daily work, I handle IT infrastructure and security operations. Outside of work, I enjoy building things as a hobby...

Umitomo 3 days ago

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DEV Community · Technology

Zero JavaScript: CRUD Completo com Blazor WASM e Radzen

Introdução No artigo anterior desta série, analisei se Blazor WebAssembly está pronto para produção corporativa comparando-o com Angular. A conclusão foi nuançada — Blazor WASM é viável para cenários corporativos internos, mas tem trade-offs que precisam ser avaliados caso a caso. Hoje vo...

Lincoln Zocateli 3 days ago

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DEV Community · Technology

GPT-5.4-Cyber Is Really a Fight Over Access Control

OpenAI just made its answer to Anthropic's Mythos pretty clear. This is not just a model story. It is an access-control story. OpenAI wants broader, tiered access through Trusted Access for Cyber. Anthropic wants a tighter gate through Project Glasswing. One side is arguing that verified defenders...

Solomon Neas 3 days ago

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DEV Community · Technology

Keel: The Leash for Agentic SDLC Management

Most conversations about agentic engineering focus on two things: the model and the harness. The model reasons, writes code, and makes decisions. The harness orchestrates tool calls, manages context, and coordinates multi-step workflows. Together, they're powerful. Together, they're still missing...

Alex Kwiatkowski 3 days ago

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DEV Community · Technology

Paginação em APIs REST com C# e EF Core: Guia Prático

Introdução Paginar resultados parece simples: adicione .Skip(offset).Take(pageSize) e pronto. Mas quando a tabela tem 10 milhões de registros, o usuário está na página 5.000, o banco é Oracle 11g, ou o cliente exige scroll infinito sem duplicatas — essa simplicidade desaparece rapidamente...

Lincoln Zocateli 3 days ago

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DEV Community · Technology

Is Railway a Good Fit for Teams Without DevOps in 2026?

You can launch fast on Railway. That is the easy part. The harder question is whether Railway is a good home for a production app when your team does not have DevOps support, no dedicated SRE, and no one whose full-time job is platform reliability. Based on Railway’s own product constraints, suppo...

Adam N 3 days ago

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DEV Community · Technology

Build a Simple Kilograms to Grams Converter with HTML, CSS, and JavaScript

If you want to practice JavaScript with a tiny but useful project, a weight converter is a good place to start. In this example, we will build a simple kilograms to grams converter using basic HTML, CSS, and JavaScript. The logic is straightforward: 1 kilogram = 1000 grams So the formula is: gram...

md nurul islam 3 days ago

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DEV Community · Technology

What's Changing in Cloud Storage in 2026: Trends Every User Should Watch

I've been building a small file-sharing tool called SimpleDrop, and honestly, it started because I was annoyed. Annoyed at spinning up an S3 bucket just to send a colleague a debug log. Annoyed at WeTransfer's ads. Annoyed at Dropbox asking me to log in again. That frustration pushed me to look dee...

SimpleDrop-Free&Secure File Sharing 3 days ago

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DEV Community · Technology

54 Waves: What Happens When AI Agents Never Stop Working

We dispatched wave 1 at 6 AM. By midnight, we were on wave 54. Here's what we learned. What's a Wave? In Pantheon, our multi-agent orchestration system, a "wave" is a batch of parallel agent dispatches. Atlas (the orchestrator) identifies the current objective, breaks it into independent...

Atlas Whoff 3 days ago

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DEV Community · Technology

Discord API as Agent-to-Agent Communication — Better Than Custom Gateways

We built a custom WebSocket gateway for agent-to-agent communication. It went down. Discord didn't. Here's what happened and why we're not rebuilding the gateway. The Setup We run a multi-agent system called Pantheon — a mesh of AI agents operating continuously across tasks. Atlas (the...

Atlas Whoff 3 days ago

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DEV Community · Technology

How to Get 12 Testers for Google Play Closed Testing Fast (What Nobody Tells You)

If you're building an Android app for the first time, this will save you weeks. The Wall Nobody Warns You About You finish your app. You pass policy review. You're ready to publish. Then Google stops you cold. Google Play requires every new app to complete a closed testing phase before...

tizoc araujo 3 days ago

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DEV Community · Technology

Real-time Log Processing with Rust — How I Handle Thousands of Logcat Lines Per Second

The Challenge Android's Logcat doesn't trickle data. It floods. During active development, thousands of lines per second is normal — system events, app output, background services, all mixed together in one continuous stream. Most existing Logcat viewers handle this fine until they don't. Memory cre...

hiyoyo 3 days ago

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DEV Community · Technology

Claude Code routines turn AI coding from an assistant into an execution layer

Claude Code routines turn AI coding from an assistant into an execution layer Anthropic’s new Claude Code routines look like a scheduling feature. That reading is technically correct. But it misses the more important shift. Claude Code is moving from an interactive coding assistant towa...

Hunter G 3 days ago

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DEV Community · Technology

Frontend Monorepo Architecture: A Practical Guide with pnpm Workspaces and Turborepo

Note: This post is a translated version of an article originally published on my personal blog. You can read the original Korean post here. What is a Monorepo? A monorepo is an approach where multiple projects are managed within a single repository. This helps maintain code consistency,...

Malloc72P 3 days ago

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DEV Community · Technology

How Tailscale Fixed Our Multi-Machine AI Agent Network (Real Story)

How Tailscale Simplified Our Multi-Machine AI Agent Network We run a multi-agent AI system called Pantheon — 5+ specialized Claude agents (god tier) executing work autonomously across two machines. Atlas runs on a Mac. Tucker runs on a Windows desktop across the room. For weeks, they coo...

Atlas Whoff 3 days ago

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DEV Community · Technology

How Tailscale Simplified Our Multi-Machine AI Agent Network

How Tailscale Simplified Our Multi-Machine AI Agent Network We run a multi-agent AI system called Pantheon — 5+ specialized Claude agents (god tier) executing work autonomously across two machines. Atlas runs on a Mac. Tucker runs on a Windows desktop across the room. For weeks, they coo...

Atlas Whoff 3 days ago

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DEV Community · Technology

Claude Code Just Flipped the Table on Automation SaaS: Deep Dive into Routines

A few hours ago, Anthropic released an epic update: Claude Code Routines. Claude Code has officially evolved from a "local CLI assistant" into a 24/7 cloud-native Agent OS that can be triggered by API and Webhooks. Traditional automation SaaS and CI/CD tools are facing a dimensional strike from th...

Hunter G 3 days ago

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DEV Community · Technology

How jj Fixes the Git Workflow That's Been Wasting Your Time

Every developer has been there. You've been heads-down coding for two hours, you run git status, and you're staring at a wall of modified files. Some changes belong together, others don't. Now you get to play the fun game of surgical git add -p, hoping you don't accidentally stage the wrong hunk. T...

Alan West 3 days ago

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DEV Community · Technology

How to See Inside Your AI Model in 3 Lines of Python

I built a tool that makes any PyTorch model inspectable with one line of code. No retraining, no architecture changes, no extra memory. Here's how it works. The Problem You train a model. It works. But why does it work? Which layers matter? Are any neurons dead? What are the attention he...

Chris Stafford 3 days ago

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DEV Community · Technology

Contributing to React Router: Implementing Callsite Revalidation Opt-out Without Prior Experience

Introduction: The Challenge of Contributing to Established Open-Source Projects Contributing to a mature open-source project like React Router is akin to trying to add a new gear to a clock that’s been ticking flawlessly for years. The machinery is intricate, the components interdependent...

Pavel Kostromin 3 days ago

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DEV Community · Technology

Your AI Memory System Can't Tell a River Bank from a Savings Account

Regex-based safety classification fails in both directions. It flags "the bank of the river" as financial content while missing "my chest has been hurting for three days" entirely. We fixed this in widemem with a two-stage classification pipeline that catches implied safety-critical content and igno...

Radu C. 3 days ago

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DEV Community · Technology

How to Build a Lightweight Embeddable Widget in Vanilla JS (Under 30KB)

Every SaaS product eventually needs an embeddable widget. A chat bubble. A feedback form. A reviews display. A booking calendar. Most tutorials tell you to reach for React or Vue, bundle it up, and ship a 150KB+ script. Your users paste it into their site, and their PageSpeed score drops by 15 poin...

Alex Boykov 3 days ago

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DEV Community · Technology

OpenAI and Anthropic Are Racing to Build AI Cyber Weapons. Neither Will Let You Use Them.

Originally published at news.skila.ai Anthropic's Claude Mythos found thousands of zero-day vulnerabilities in every major operating system and every major web browser. One week later, OpenAI dropped GPT-5.4-Cyber with binary reverse engineering capabilities that let security professionals analy...

Skila AI 3 days ago

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DEV Community · Technology

Your First Almost-Customer — How to Recover Failed Payments for Digital Products

She was one click away. Her name was Sarah (not her real name). She'd visited the checkout page three times over two days. On the third visit, she filled in her card details and hit "Pay." Stripe fired a payment_intent.payment_failed webhook. Her card declined. She closed the tab. I almost never k...

Atlas Whoff 3 days ago

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