48 articles

📰 Dev.to · Gabriel Anhaia

Articles from Dev.to · Gabriel Anhaia · 48 articles · Updated every 3 hours · View all reads

All ⚡ AI Lessons (10481) ArXiv cs.AIDev.to · FORUM WEBDev.to AIForbes InnovationOpenAI NewsHugging Face Blog
Copilot vs Cursor vs Claude Code: Three Different Tools for Three Different Jobs
Dev.to · Gabriel Anhaia 1w ago
Copilot vs Cursor vs Claude Code: Three Different Tools for Three Different Jobs
Tab completion, multi-file editing, and agentic coding aren't the same task. Picking an AI coding tool from a feature checklist is like choosing a vehicle based
dotCloud Is Dead. Its Internal Tool Runs the Internet.
Dev.to · Gabriel Anhaia 1w ago
dotCloud Is Dead. Its Internal Tool Runs the Internet.
Docker didn't start as a container company. It started as a failing PaaS called dotCloud. The container tool was internal plumbing nobody planned to release. Th
How 8-Year-Old Dead Code Killed a $365 Million Company in 45 Minutes
Dev.to · Gabriel Anhaia 1w ago
How 8-Year-Old Dead Code Killed a $365 Million Company in 45 Minutes
On August 1, 2012, Knight Capital deployed new code to 7 of 8 servers. The eighth server woke up a dead algorithm from 2003 that bought high and sold low, milli
I Wrote a 306-Page Book About Everything Around the Code
Dev.to · Gabriel Anhaia 1w ago
I Wrote a 306-Page Book About Everything Around the Code
Ship It covers hosting, payments, databases, security, compliance, tax, and deployment for startup founders. The stuff between 'it works on my machine' and 'it'
4 Hosting Stacks at 4 Budgets: $0, $10, $50, $200/month for Startup Founders
Dev.to · Gabriel Anhaia 1w ago
4 Hosting Stacks at 4 Budgets: $0, $10, $50, $200/month for Startup Founders
Stop comparing hosting providers. Here's the exact setup I'd use at every budget — with real prices, real specs, and when to upgrade between tiers.
Your AI Wrote the Code. It Won't Set Up Payments, Hosting, or Tax Compliance.
Dev.to · Gabriel Anhaia 1w ago
Your AI Wrote the Code. It Won't Set Up Payments, Hosting, or Tax Compliance.
AI can generate a working app in a weekend. It can't pick your hosting, handle VAT in 30 countries, or set up monitoring. Here's the checklist of everything bet
Go Project Structure for Humans: No, You Don't Need 15 Directories
Dev.to · Gabriel Anhaia 1w ago
Go Project Structure for Humans: No, You Don't Need 15 Directories
Start flat, grow when it hurts. A practical guide to organizing Go projects at three stages — from one file to production-ready.
You Don't Need Gin: Building a Go API with Just the Standard Library
Dev.to · Gabriel Anhaia 1w ago
You Don't Need Gin: Building a Go API with Just the Standard Library
A full CRUD REST API using net/http, Go 1.22+ routing, JSON handling, middleware, and testing — zero external dependencies.
Concurrency in Go Without the PhD: Patterns That Actually Work
Dev.to · Gabriel Anhaia 1w ago
Concurrency in Go Without the PhD: Patterns That Actually Work
Worker pools, fan-out/fan-in, context cancellation, and select — the 4 concurrency patterns you'll actually use in production Go code.
Stop Writing Go Like It's Java: 5 Patterns You Need to Unlearn
Dev.to · Gabriel Anhaia 1w ago
Stop Writing Go Like It's Java: 5 Patterns You Need to Unlearn
Interfaces everywhere, error handling as an afterthought, OOP hierarchies — the habits that make your Go code worse, not better.
Real-World TypeScript Project Setup for 2026
Dev.to · Gabriel Anhaia 1w ago
Real-World TypeScript Project Setup for 2026
The capstone: setting up a modern TypeScript project from scratch. tsconfig, ESLint, Vitest, build pipelines, and the mistakes backend devs keep making.
TypeScript Threw Away My Error Types — Here's What I Use Instead
Dev.to · Gabriel Anhaia 1w ago
TypeScript Threw Away My Error Types — Here's What I Use Instead
Typed error handling, Zod validation at boundaries, async patterns, Temporal dates, and native TS execution in Node.
Modules, Dependencies, and the npm Ecosystem (The Messy Part)
Dev.to · Gabriel Anhaia 1w ago
Modules, Dependencies, and the npm Ecosystem (The Messy Part)
A backend developer's guide to JavaScript modules, npm, package.json, and TypeScript module resolution. The parts that actually confused me came from Maven and
Utility Types and Advanced Patterns (The Stuff Java Can't Do)
Dev.to · Gabriel Anhaia 1w ago
Utility Types and Advanced Patterns (The Stuff Java Can't Do)
TypeScript's type system goes way beyond generics. Utility types, mapped types, conditional types, and template literals let you do things at compile time that
Functions, Generics, and the Stuff That Looks Familiar But Isn't
Dev.to · Gabriel Anhaia 1w ago
Functions, Generics, and the Stuff That Looks Familiar But Isn't
TypeScript functions and generics for backend devs. Same concepts from Java and C#, different rules. Arrow functions, type guards, satisfies, overloads, and gen
The Type System: What You Know, What's New, and What's Weird
Dev.to · Gabriel Anhaia 1w ago
The Type System: What You Know, What's New, and What's Weird
A backend developer's guide to TypeScript's type system: unions, literal types, discriminated unions, and why you won't miss class hierarchies.
TypeScript for Java/PHP Devs: What's Different and What's Familiar
Dev.to · Gabriel Anhaia 1w ago
TypeScript for Java/PHP Devs: What's Different and What's Familiar
Structural typing, disappearing types, null vs undefined, and the stuff that actually tripped me up as a backend dev learning TypeScript.
Stop Vibes-Checking Your AI: A Practical Guide to LLM Evaluation
Dev.to · Gabriel Anhaia 1w ago
Stop Vibes-Checking Your AI: A Practical Guide to LLM Evaluation
You changed one word in your prompt and now 30% of outputs are worse. Here's how to build evals that actually tell you whether your AI feature is getting better
Mastra in 2026: What It Is, When to Use It, and How It Compares
Dev.to · Gabriel Anhaia 1w ago
Mastra in 2026: What It Is, When to Use It, and How It Compares
An honest look at Mastra, the TypeScript AI agent framework from the Gatsby team. What it does well, where it falls short, and how it stacks up against LangChai
Claude Code's Entire Source Code Was Just Leaked via npm Source Maps — Here's What's Inside
Dev.to · Gabriel Anhaia 1w ago
Claude Code's Entire Source Code Was Just Leaked via npm Source Maps — Here's What's Inside
A security researcher discovered Anthropic's full CLI source code exposed through a source map file....