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Node.js

A JavaScript runtime built on Chrome's V8 JavaScript engine.

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The Little Markdown Builder Behind My Kids' Element Name Guides

The Little Markdown Builder Behind My Kids' Element Name Guides

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4 min read
Node.js November 2026 Security Release: How We Tracked and Patched It

Node.js November 2026 Security Release: How We Tracked and Patched It

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13 min read
I got tired of babysitting Playwright, so I turned it into a small render API

I got tired of babysitting Playwright, so I turned it into a small render API

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2 min read
Big CSV files in JavaScript without freezing the tab

Big CSV files in JavaScript without freezing the tab

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2 min read
Stop trusting file extensions: validating uploads by content (with ffmpeg)

Stop trusting file extensions: validating uploads by content (with ffmpeg)

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3 min read
One Chromium per screenshot, or one shared browser? Time, memory and leaks measured in Playwright

One Chromium per screenshot, or one shared browser? Time, memory and leaks measured in Playwright

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9 min read
Seven PreToolUse hooks cost 318 ms per tool call at 10 Claude Code sessions. One process got it to 89 ms.

Seven PreToolUse hooks cost 318 ms per tool call at 10 Claude Code sessions. One process got it to 89 ms.

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4 min read
Healthtech Export Artifacts: Signed-URL Delivery, Node.js, and Durable Object Storage

Healthtech Export Artifacts: Signed-URL Delivery, Node.js, and Durable Object Storage

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6 min read
A SHA-256 of a 6-digit PIN is not a secret: Node.js tried all 1,000,000 PINs in 2.3 seconds. scrypt makes the same search take about 14 hours

A SHA-256 of a 6-digit PIN is not a secret: Node.js tried all 1,000,000 PINs in 2.3 seconds. scrypt makes the same search take about 14 hours

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4 min read
Node.js Lobby Continuity: Handle Player Disconnects and Reassign Host Authority

Node.js Lobby Continuity: Handle Player Disconnects and Reassign Host Authority

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7 min read
Content-addressed keys for transformed images in object storage

Content-addressed keys for transformed images in object storage

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5 min read
One Node.js package version can still create two copies of state

One Node.js package version can still create two copies of state

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3 min read
SHA-3 isn't Keccak: why your hash doesn't match Ethereum's

SHA-3 isn't Keccak: why your hash doesn't match Ethereum's

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14 min read
Node.js Cron Setup: 2 Periodic Database Cleanup Patterns for Webhooks

Node.js Cron Setup: 2 Periodic Database Cleanup Patterns for Webhooks

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5 min read
Why MCP OAuth Discovery Leads to SSRF

Why MCP OAuth Discovery Leads to SSRF

1
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6 min read
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