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Optional static type-checking for JavaScript.

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I built a full-stack Next.js 16 e-commerce monorepo: storefront, admin, NestJS API, and AI try-on

I built a full-stack Next.js 16 e-commerce monorepo: storefront, admin, NestJS API, and AI try-on

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6 min read
Integrating with Poland's KSeF: five things that aren't in the docs

Integrating with Poland's KSeF: five things that aren't in the docs

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5 min read
Catching silent agent regressions in CI before they reach users

Catching silent agent regressions in CI before they reach users

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4 min read
How I Built a Multi-Tenant RAG Knowledge Base with Source-Cited Answers — Pipeline, Multi-Tenancy, and Lessons

How I Built a Multi-Tenant RAG Knowledge Base with Source-Cited Answers — Pipeline, Multi-Tenancy, and Lessons

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4 min read
I Almost Used AI to Classify User Input. Simple Rules Worked Better

I Almost Used AI to Classify User Input. Simple Rules Worked Better

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3 min read
How to Compare Speech-to-Text API Per-Minute Pricing for an EU Startup in 2026

How to Compare Speech-to-Text API Per-Minute Pricing for an EU Startup in 2026

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7 min read
Why console.log Isn't Enough When Building AI Agents

Why console.log Isn't Enough When Building AI Agents

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5 min read
On-chain contract security scanning without API keys

On-chain contract security scanning without API keys

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3 min read
Supplier Invoice Speech-to-Text: EU Startup Validation Beyond Per-Minute Pricing

Supplier Invoice Speech-to-Text: EU Startup Validation Beyond Per-Minute Pricing

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7 min read
Every WhatsApp chatbot framework is broken. Here's what I built instead.

Every WhatsApp chatbot framework is broken. Here's what I built instead.

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4 min read
How I Built a Visual AI Agent Builder with Tool Calling — Architecture, Tools, and Lessons

How I Built a Visual AI Agent Builder with Tool Calling — Architecture, Tools, and Lessons

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4 min read
Environment Config the Clean Way

Environment Config the Clean Way

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3 min read
Building Excel-style keyboard sequences for Google Sheets without turning the extension into a pile of DOM selectors

Building Excel-style keyboard sequences for Google Sheets without turning the extension into a pile of DOM selectors

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6 min read
¿De verdad necesitás fp-ts, o te alcanza un union nativo?

¿De verdad necesitás fp-ts, o te alcanza un union nativo?

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8 min read
Readability in the age of AI-assisted programming

Readability in the age of AI-assisted programming

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3 min read
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