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

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Accept crypto payments in Express

Accept crypto payments in Express

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5 min read
Your Login Limit Counted Attempts per IP and Read the IP the Attacker Wrote

Your Login Limit Counted Attempts per IP and Read the IP the Attacker Wrote

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2 min read
Our whole account system is an email address and 60 bits, and the 32-letter alphabet is why the modulo is not biased

Our whole account system is an email address and 60 bits, and the 32-letter alphabet is why the modulo is not biased

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6 min read
Build a price-drop alert for online deals with Node.js and an MCP server

Build a price-drop alert for online deals with Node.js and an MCP server

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7 min read
# Week 10 -- Task 2: JWT Authentication and Route Protection in NestJS

# Week 10 -- Task 2: JWT Authentication and Route Protection in NestJS

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10 min read
Verify Boba, Soneium and World Chain IDs with a JSON-RPC batch

Verify Boba, Soneium and World Chain IDs with a JSON-RPC batch

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3 min read
Accept crypto payments in Node.js

Accept crypto payments in Node.js

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5 min read
Humanize SambaNova Output in Node.js: A GitHub Issue Reply Linter + 5 Free Tools (2026)

Humanize SambaNova Output in Node.js: A GitHub Issue Reply Linter + 5 Free Tools (2026)

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9 min read
992 of 1,000 npm Maintainer Addresses Passed. Three of the Eight Failures Were My Own Bug

992 of 1,000 npm Maintainer Addresses Passed. Three of the Eight Failures Were My Own Bug

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6 min read
LLM API rate limits: not every 429 should be retried

LLM API rate limits: not every 429 should be retried

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5 min read
Free JWT Secret Key Generator | Secure HS256, HS384, HS512 Keys Online

Free JWT Secret Key Generator | Secure HS256, HS384, HS512 Keys Online

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2 min read
Running hundreds of Telegram bots on one Node.js server: 8 lessons from production

Running hundreds of Telegram bots on one Node.js server: 8 lessons from production

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4 min read
Small JSON files read on every tick were stalling Node.js on a saturated disk: a parse-once cache that looks at mtime once a second

Small JSON files read on every tick were stalling Node.js on a saturated disk: a parse-once cache that looks at mtime once a second

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3 min read
LAN, Tailscale or cloud? Working out which route a phone connected over from the socket address and the headers a tunnel adds

LAN, Tailscale or cloud? Working out which route a phone connected over from the socket address and the headers a tunnel adds

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3 min read
What the Sentry SDK drops after a 429 quota response

What the Sentry SDK drops after a 429 quota response

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10 min read
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