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Optional static type-checking for JavaScript.

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The Complete Stripe Billing Template for Next.js: 5 Production Landmines

The Complete Stripe Billing Template for Next.js: 5 Production Landmines

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5 min read
Specsmaxxing: escribí mis specs en YAML para mis agentes y esto cambió (y esto no)

Specsmaxxing: escribí mis specs en YAML para mis agentes y esto cambió (y esto no)

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8 min read
Specsmaxxing: I Wrote YAML Specs for My AI Agents — Here's What Changed (and What Didn't)

Specsmaxxing: I Wrote YAML Specs for My AI Agents — Here's What Changed (and What Didn't)

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8 min read
Bun: The Runtime That Wants to Retire Node (and Now Has the Cash to Do It)

Bun: The Runtime That Wants to Retire Node (and Now Has the Cash to Do It)

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6 min read
Kimi K2.6 vs Claude vs GPT-5.5: lo puse contra mis casos reales de coding y los números me sorprendieron

Kimi K2.6 vs Claude vs GPT-5.5: lo puse contra mis casos reales de coding y los números me sorprendieron

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10 min read
Two billing bugs that looked fine until production proved otherwise

Two billing bugs that looked fine until production proved otherwise

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3 min read
Bugs Rust Won't Catch: I Ran the List Against My Real Codebase and Found Exactly What I Was Told Wouldn't Exist

Bugs Rust Won't Catch: I Ran the List Against My Real Codebase and Found Exactly What I Was Told Wouldn't Exist

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9 min read
Bugs que Rust no atrapa: los corrí contra mi codebase real y encontré exactamente los que me prometieron que no existirían

Bugs que Rust no atrapa: los corrí contra mi codebase real y encontré exactamente los que me prometieron que no existirían

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10 min read
I Taught My AI Assistant to Remember (And Saved 99% of Its Brain)

I Taught My AI Assistant to Remember (And Saved 99% of Its Brain)

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7 min read
TypeScript-first job chains: end-to-end inference for background jobs

TypeScript-first job chains: end-to-end inference for background jobs

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5 min read
The Perfect First Task for New React Developers: Adding a Footer (Beginner Onboarding Guide)

The Perfect First Task for New React Developers: Adding a Footer (Beginner Onboarding Guide)

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2 min read
I Spent 18 Months Building a WakaTime Alternative Solo — Here's What I Learned

I Spent 18 Months Building a WakaTime Alternative Solo — Here's What I Learned

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4 min read
Copy Fail: reproduje el bug más viral de HN en mi propio código y encontré algo peor

Copy Fail: reproduje el bug más viral de HN en mi propio código y encontré algo peor

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9 min read
What I learned shipping a Next.js 15 + CSV side project

What I learned shipping a Next.js 15 + CSV side project

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2 min read
I built a free TypeScript quiz website with 125 questions and levels

I built a free TypeScript quiz website with 125 questions and levels

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1 min read
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