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Once relegated to the browser as one of the 3 core technologies of the web, JavaScript can now be found almost anywhere you find code. JavaScript developers move fast and push software development forward; they can be as opinionated as the frameworks they use, so let's keep it clean here and make it a place to learn from each other!

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Profiling Puppeteer Memory Usage in Node.js

Profiling Puppeteer Memory Usage in Node.js

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9 min read
How I use Claude Code to write tests for untested code — a complete workflow

How I use Claude Code to write tests for untested code — a complete workflow

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4 min read
Outcome Routing: The Distributed Architecture Pattern That Eliminates the Central Aggregator Problem

Outcome Routing: The Distributed Architecture Pattern That Eliminates the Central Aggregator Problem

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8 min read
Add 25+ Calculator Tools to Your AI Assistant with One MCP Package

Add 25+ Calculator Tools to Your AI Assistant with One MCP Package

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5 min read
Real-Time on the Frontend - SSE, WebSockets & Polling

Real-Time on the Frontend - SSE, WebSockets & Polling

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8 min read
The Trap of Perfectionism: Do Easy Peasy Lemon Squeezy

The Trap of Perfectionism: Do Easy Peasy Lemon Squeezy

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3 min read
10 Cursor Tips Every React Developer Should Know in 2026

10 Cursor Tips Every React Developer Should Know in 2026

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4 min read
A Spreadsheet Library Where You Can Build =LLM("question") — GridSheet v3 Release Notes

A Spreadsheet Library Where You Can Build =LLM("question") — GridSheet v3 Release Notes

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10 min read
Node.js WebSockets in Production: Socket.io, ws, and Scaling to Multiple Nodes

Node.js WebSockets in Production: Socket.io, ws, and Scaling to Multiple Nodes

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7 min read
The Command Pattern with Discriminated Unions: A 90-Line Undo/Redo

The Command Pattern with Discriminated Unions: A 90-Line Undo/Redo

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13 min read
Composer Autoload vs npm: The PHP Mental Model That Hurts You

Composer Autoload vs npm: The PHP Mental Model That Hurts You

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9 min read
The Strategy Pattern in TypeScript: Discriminated Unions Beat Subclasses

The Strategy Pattern in TypeScript: Discriminated Unions Beat Subclasses

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10 min read
Things Shopify doesn't tell you when building an app

Things Shopify doesn't tell you when building an app

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4 min read
Zero-Boilerplate Request ID Tracing in Node.js with pino-correlation-id

Zero-Boilerplate Request ID Tracing in Node.js with pino-correlation-id

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5 min read
Why Privacy Matters in Developer Tools

Why Privacy Matters in Developer Tools

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4 min read
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