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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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The Real Cost of Re-renders in React..đź’¸

The Real Cost of Re-renders in React..đź’¸

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4 min read
Generic Constraints and infer: Reading the Types You Did Not Write

Generic Constraints and infer: Reading the Types You Did Not Write

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6 min read
Discriminated Unions + never: Exhaustive Checks at Compile Time

Discriminated Unions + never: Exhaustive Checks at Compile Time

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6 min read
Typescript: Combinando Tipos (Combining Types)

Typescript: Combinando Tipos (Combining Types)

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2 min read
Why I stopped fighting monorepos..

Why I stopped fighting monorepos..

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3 min read
How I Built an AI Journalist Discovery Engine with Octoparse MCP

How I Built an AI Journalist Discovery Engine with Octoparse MCP

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4 min read
Your JSON-to-Excel Converter Is Probably Corrupting Your Data. Here's the 30-Second Test

Your JSON-to-Excel Converter Is Probably Corrupting Your Data. Here's the 30-Second Test

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2 min read
5 Unix Timestamp Mistakes Every Developer Makes

5 Unix Timestamp Mistakes Every Developer Makes

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3 min read
React Fiber Architecture Explained: How React Renders UI

React Fiber Architecture Explained: How React Renders UI

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1 min read
Add geo-personalization with one IP lookup (IPv4/IPv6, batch)

Add geo-personalization with one IP lookup (IPv4/IPv6, batch)

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1 min read
Free-tier currency conversion straight from the ECB feed

Free-tier currency conversion straight from the ECB feed

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1 min read
I Built an Open-Source JavaScript Data Grid Because Tables Never Stay Simple

I Built an Open-Source JavaScript Data Grid Because Tables Never Stay Simple

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3 min read
How I Built a 24 Game Solver: Brute-Force Meets Elegance in TypeScript

How I Built a 24 Game Solver: Brute-Force Meets Elegance in TypeScript

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4 min read
Run a script every day at a set time with Apps Script

Run a script every day at a set time with Apps Script

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4 min read
Convert getValues for loops to map and filter

Convert getValues for loops to map and filter

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3 min read
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