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⚡ AI Lessons
Dev.to · Gavin Cettolo
18h ago
I Built a Zero-Dependency Env Validator with Full TypeScript Inference - Here's Why
Every Node.js project I've ever worked on has the same invisible vulnerability. Somewhere in the...
Dev.to · Gavin Cettolo
⚡ AI Lesson
1w ago
TypeScript Tips That Actually Matter in Real Projects (including the satisfies operator)
Most TypeScript tutorials teach you the language. This article teaches you how to use it. There's a...
Dev.to · Gavin Cettolo
⚡ AI Lesson
3w ago
Clean API Design in Node.js: A Practical Guide
Most Node.js APIs start the same way. A server.js file. A few routes. Maybe an app.js if you've read...
Dev.to · Gavin Cettolo
🏗️ Systems Design & Architecture
⚡ AI Lesson
1mo ago
You Don’t Need Microservices (Yet): A Reality Check for Devs
You Don't Need Microservices (Yet): A Reality Check for Devs How Premature...
Dev.to · Gavin Cettolo
⚡ AI Lesson
1mo ago
API Calls Done Right: From Messy Fetch to Clean Data Layer
I've seen this file in almost every frontend project I've ever touched. It's usually called api.js...
Dev.to · Gavin Cettolo
⚡ AI Lesson
1mo ago
The Hidden Cost of "It Works": Why Quick Fixes Kill Long-Term Speed
It was a Thursday afternoon when the Teams message came in. A bug in production. A date formatting...
Dev.to · Gavin Cettolo
⚡ AI Lesson
2mo ago
Stop Using useEffect Like This: 5 Patterns That Are Silently Breaking Your React App
I was doing a code review for a colleague when I found it. The component had five useEffect...
Dev.to · Gavin Cettolo
💻 AI-Assisted Coding
⚡ AI Lesson
2mo ago
The AI-Augmented Developer: How AI Is Changing the Way We Write Code
A few months ago, I found myself doing something I hadn’t done before. Not Googling. Not digging...
Dev.to · Gavin Cettolo
⚡ AI Lesson
2mo ago
Corporate Amnesia: What Happens When Your Team Forgets How Its Own Code Works
A few months ago, we had to change a small piece of logic. It sounded simple. A minor...
Dev.to · Gavin Cettolo
3mo ago
React Components vs Spaghetti: 5 Signs Your UI Is Becoming Unmaintainable
Last week I opened a React component… and immediately closed it. Not because it was complex. But...
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