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TypeScript

Optional static type-checking for JavaScript.

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React 19 useTransition & useDeferredValue: When to Use Which (2026)

React 19 useTransition & useDeferredValue: When to Use Which (2026)

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3 min read
I Built a Free Docs Converter Platform with 40+ Tools Using Next.js

I Built a Free Docs Converter Platform with 40+ Tools Using Next.js

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2 min read
I ran one API response through two JSON-to-Zod converters. One silently turned every field into z.string().

I ran one API response through two JSON-to-Zod converters. One silently turned every field into z.string().

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3 min read
A Cache Key Is an Equivalence Relation

A Cache Key Is an Equivalence Relation

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3 min read
🐘 TypeScript for PHP? YES, that's possible! And it's not what you think...

Combines strict typing with cheap $5 VPS hosting

🐘 TypeScript for PHP? YES, that's possible! And it's not what you think...

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9 min read
Is Your Node.js App Vulnerable to SSRF? Secure Axios & Fetch in 5 Minutes

Is Your Node.js App Vulnerable to SSRF? Secure Axios & Fetch in 5 Minutes

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3 min read
How I Built an AI-Powered Compliance Marketplace for the Cannabis Industry

How I Built an AI-Powered Compliance Marketplace for the Cannabis Industry

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3 min read
Building Custom MCP Clients in Next.js & Serverless Engines: The Ultimate Engineering Guide

Building Custom MCP Clients in Next.js & Serverless Engines: The Ultimate Engineering Guide

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13 min read
Simple Email SaaS? Here's What Actually Works in 2024

Simple Email SaaS? Here's What Actually Works in 2024

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4 min read
Ask HN: What process should I use to find SMB prospects for a B2B SaaS product?

Ask HN: What process should I use to find SMB prospects for a B2B SaaS product?

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6 min read
How I Built a Barcode Scanner PWA That Syncs to Spreadsheets in Real-Time

How I Built a Barcode Scanner PWA That Syncs to Spreadsheets in Real-Time

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5 min read
I kept losing context between LLMs, so I built a Markdown-based memory layer (and here is what I learned)

I kept losing context between LLMs, so I built a Markdown-based memory layer (and here is what I learned)

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5 min read
Gemini SEO - Parallel Multi-Agent SEO & GEO Engine

Gemini SEO - Parallel Multi-Agent SEO & GEO Engine

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1 min read
Small in Code. Large in Behavior.

Small in Code. Large in Behavior.

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6 min read
The Reward Calibrator That Learns the Shape of Its Own Judgment

The Reward Calibrator That Learns the Shape of Its Own Judgment

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7 min read
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