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TypeScript

Optional static type-checking for JavaScript.

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I missed Go's `if err != nil`, so I built errval for TypeScript

I missed Go's `if err != nil`, so I built errval for TypeScript

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2 min read
I measured what code mode actually saves: 65,500 tokens vs 226

I measured what code mode actually saves: 65,500 tokens vs 226

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4 min read
Catch runaway AI agent costs before merge with a GitHub Action

Catch runaway AI agent costs before merge with a GitHub Action

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2 min read
「Blob」って何? ブラウザでファイルをダウンロードする仕組み

「Blob」って何? ブラウザでファイルをダウンロードする仕組み

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1 min read
The tenant-safety checklist for an AI endpoint

The tenant-safety checklist for an AI endpoint

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3 min read
We built a developer portfolio generator using only the public GitHub API

We built a developer portfolio generator using only the public GitHub API

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2 min read
Why We Ditched the 70MB AWS SDK for Native Web Crypto in Next.js 15 Edge Routes

Why We Ditched the 70MB AWS SDK for Native Web Crypto in Next.js 15 Edge Routes

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5 min read
Moderation Intake Accounting: Bulk LLM Text Classification API With Tenant Chargeback

Moderation Intake Accounting: Bulk LLM Text Classification API With Tenant Chargeback

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7 min read
How big is an component really? I measured it 3 ways and got 3 answers

How big is an component really? I measured it 3 ways and got 3 answers

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7 min read
Session replay knows what the user did. Traces know what the server did. Neither knows both.

Session replay knows what the user did. Traces know what the server did. Neither knows both.

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4 min read
How I Built My First MCP Server for Claude Code: 5 Lessons Learned

How I Built My First MCP Server for Claude Code: 5 Lessons Learned

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7 min read
I Got Sick of Ad-Bloated Utility Sites, So I Built an Ad-Free Stair Calculator in Next.js

I Got Sick of Ad-Bloated Utility Sites, So I Built an Ad-Free Stair Calculator in Next.js

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7 min read
A red Playwright build can't tell you whose fault it is

A red Playwright build can't tell you whose fault it is

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6 min read
Don’t Open Another Feedback Channel: Build an Owned Listening Sprint in Community Chat

Don’t Open Another Feedback Channel: Build an Owned Listening Sprint in Community Chat

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11 min read
Building a Client-Side DAG Runtime with Kahn's Algorithm

Building a Client-Side DAG Runtime with Kahn's Algorithm

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8 min read
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