Web Development Articles

Web Development Aug 3, 2026 • 5 min read

I Pushed Code for Years Without Understanding What Happened Next

I remember the exact moment I realized I had no idea how my CI pipeline actually worked. I was debugging a flaky test in our staging environment, and a senior developer asked me: "Where is this test running?" I said "GitHub Actions." He asked: "On what machine?" Silence. I honest...

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Web Development Aug 2, 2026 • 4 min read

Why I Stopped Overthinking "Fair" Random Selection (And Why You Probably Should Too)

Last month, I got pulled into a Slack conversation about selecting team members for a rotation. Someone suggested a "proper" solution: seed-based RNG, audit logs, cryptographic hashing. I watched this conversation spiral for two hours. By the end, we still hadn't picked anyone. T...

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Web Development Aug 1, 2026 • 5 min read

Next.js 16.3 Finally Gets What I've Been Waiting For: AI That Doesn't Hallucinate Half My Codebase

I spent three hours last week debugging code that Cursor generated for me. Not because the suggestion was completely wrong—it wasn't—but because it was *confidently incomplete*. The AI assistant had no context about my project structure, my existing utilities, or even which versi...

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Web Development Jul 31, 2026 • 6 min read

A league season is not a long tournament: four product bugs my test suite could never catch

I built a football prediction game for the 2026 World Cup. A month long, 104 matches, one winner at the end. It worked, people played, nothing caught fire. Then I pointed the same app at a domestic l...

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Web Development Jul 30, 2026 • 2 min read

Why I Believe Vibe Coding Is Becoming a Real Engineering skills

For a long time, I thought vibe coding was simply about asking AI to generate code. The more I build, the more I realize that's only a small part of it. The real skill isn't writing prompts it's mak...

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Web Development Jul 29, 2026 • 8 min read

React usePrevious Hook: Track Previous State & Props (2026)

React usePrevious Hook: Track Previous State & Props (2026) React gives you the current value of state and props on every render — and no built-in way to ask what the value was before....

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Web Development Jul 28, 2026 • 13 min read

O alerta que dizia Error: {}

Caiu um alerta avisando que uma integração tinha falhado. Fui ver o que era: Integration failed Error: {} Error: {}. Só isso. Duas chaves. O sistema avisou que algo quebrou e, no mesmo movim...

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Web Development Jul 27, 2026 • 9 min read

Auditing Agent Skills: A Threat Model for the Next Generation of AI Package Managers

Let me start with a question. If a stranger handed you a USB drive and said "plug this in, it just organizes your files," would you do it? Probably not. Most of us have had the "don't plug in random...

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Web Development Jul 26, 2026 • 17 min read

The Moment the Server Room Goes Dark

The usual warning about AI starts like this: the moment the lights go out in the server room, every step we leaped forward with AI snaps back to where we started. The power fails, the API dies, the su...

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Web Development Jul 25, 2026 • 5 min read

I Stopped Blaming Redis for Bad Architecture Decisions

Three years ago, I sat in a system design interview and confidently said, "We'll use Redis." The interviewer stared at me for what felt like an eternity, then asked, "Why?" I froze. I had no answer beyond "it's fast." That's when I realized I'd been defaulting to the same tools a...

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