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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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What's actually inside a 40 MB .pptx?

What's actually inside a 40 MB .pptx?

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3 min read
How to read the 377 marking on a watch battery

How to read the 377 marking on a watch battery

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2 min read
I used to think React updates the entire page whenever the state changes. But that's not exactly how it works.

I used to think React updates the entire page whenever the state changes. But that's not exactly how it works.

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1 min read
Designing search for 56,000 games: what actually helps players find a game

Designing search for 56,000 games: what actually helps players find a game

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2 min read
Python or JavaScript First? Decide by the Job You Want — A 2-Question Test

Python or JavaScript First? Decide by the Job You Want — A 2-Question Test

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5 min read
How to Scrape Linktree with Node.js: Profiles, Links, Socials, and a Link-Change Tracker (2026)

How to Scrape Linktree with Node.js: Profiles, Links, Socials, and a Link-Change Tracker (2026)

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15 min read
Chrome 9.6 CVE — What “No Login Needed” Actually Means (And What It Doesn’t)

Chrome 9.6 CVE — What “No Login Needed” Actually Means (And What It Doesn’t)

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1 min read
React useState Hook – How React Updates the UI

React useState Hook – How React Updates the UI

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2 min read
I Built a RAG Assistant That Explains Your Electricity Bill — Without Letting the AI Invent Numbers

I Built a RAG Assistant That Explains Your Electricity Bill — Without Letting the AI Invent Numbers

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3 min read
GraphQL @defer: Stop Letting Your Slowest Field Set Your Load Time

GraphQL @defer: Stop Letting Your Slowest Field Set Your Load Time

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4 min read
A heartbeat that goes quiet when the route is dead: signed presence records with a short TTL

A heartbeat that goes quiet when the route is dead: signed presence records with a short TTL

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3 min read
Unknown Is Not Incompatible: A Small Evidence Contract for Shopping Agents

Unknown Is Not Incompatible: A Small Evidence Contract for Shopping Agents

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4 min read
Map a displayed crop rectangle into intrinsic image coordinates

Map a displayed crop rectangle into intrinsic image coordinates

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2 min read
Marketing syndicate

Marketing syndicate

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2 min read
I built a Firefox extension that records voice notes — no server, no account, no data leaving your browser

I built a Firefox extension that records voice notes — no server, no account, no data leaving your browser

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2 min read
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