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I Built a Polish ID Number Generator — Here's the Math

I Built a Polish ID Number Generator — Here's the Math

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3 min read
How I Built Streaming ZIP64 on Cloudflare Workers (128MB RAM, No Filesystem)

How I Built Streaming ZIP64 on Cloudflare Workers (128MB RAM, No Filesystem)

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7 min read
Native Random Values in CSS

Native Random Values in CSS

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5 min read
The Fastest Node.js Router? Only If You Measure It That Way

The Fastest Node.js Router? Only If You Measure It That Way

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6 min read
What is an IMEI Number? A Developer's Guide to Mobile Device Identifiers

What is an IMEI Number? A Developer's Guide to Mobile Device Identifiers

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4 min read
IBAN Testing for Developers: How to Generate Valid Test IBANs Without Breaking Production

IBAN Testing for Developers: How to Generate Valid Test IBANs Without Breaking Production

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4 min read
Stop Using Divs for Everything: The SEO Power of Semantic HTML

Stop Using Divs for Everything: The SEO Power of Semantic HTML

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2 min read
Master Time Travel Debugging in LangGraph.js: Rewind, Edit, and Replay Agent States

Master Time Travel Debugging in LangGraph.js: Rewind, Edit, and Replay Agent States

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10 min read
Anthropic Just Bought Bun — And JavaScript Will Never Be the Same

Anthropic Just Bought Bun — And JavaScript Will Never Be the Same

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6 min read
Prompt to Video App API

Prompt to Video App API

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31 min read
I Built a Privacy-First Image Workflow App That Runs Entirely in the Browser

I Built a Privacy-First Image Workflow App That Runs Entirely in the Browser

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4 min read
Why I Built My Own Humanizer (And Why You Should Too)

Why I Built My Own Humanizer (And Why You Should Too)

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3 min read
How to Fix Missing HSTS Header (Step-by-Step)

How to Fix Missing HSTS Header (Step-by-Step)

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7 min read
I built a linter that enforces Clean Architecture rules in TypeScript

I built a linter that enforces Clean Architecture rules in TypeScript

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2 min read
I Built 41 Free Browser-Based Developer Tools — Everything Runs Client-Side

I Built 41 Free Browser-Based Developer Tools — Everything Runs Client-Side

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5 min read
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