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JavaScript

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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K-Means From Scratch: Finding Groups in Data With No Labels

K-Means From Scratch: Finding Groups in Data With No Labels

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3 min read
How AI Phishing Emails Are Built (And the One Pattern That Always Gives Them Away)

How AI Phishing Emails Are Built (And the One Pattern That Always Gives Them Away)

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4 min read
3 Base64 Tricks Every Developer Should Know

3 Base64 Tricks Every Developer Should Know

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2 min read
I Built Minesweeper in ~50 Lines — the Only Hard Part Is Flood-Fill

I Built Minesweeper in ~50 Lines — the Only Hard Part Is Flood-Fill

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1 min read
Spotify's Now-Playing Bar Is Just One CSS Grid + a Ticking Width

Spotify's Now-Playing Bar Is Just One CSS Grid + a Ticking Width

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1 min read
A Resume Bullet Improver in 40 Lines of Regex (No AI Needed)

A Resume Bullet Improver in 40 Lines of Regex (No AI Needed)

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1 min read
Activation Functions: Why a 100-Layer Network Without Them Is Still One Line

Activation Functions: Why a 100-Layer Network Without Them Is Still One Line

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1 min read
Shrinkray: a free, 100% in-browser image compressor (no uploads, open source)

Shrinkray: a free, 100% in-browser image compressor (no uploads, open source)

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1 min read
Logistic Regression From Scratch: the Same Gradient Descent, Squashed Through a Sigmoid

Logistic Regression From Scratch: the Same Gradient Descent, Squashed Through a Sigmoid

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2 min read
The Next.js Data Cache Error That Broke My Production App (And How I Fixed It)

The Next.js Data Cache Error That Broke My Production App (And How I Fixed It)

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5 min read
axios@1.14.1 Supply Chain Attack: What to Do Now

axios@1.14.1 Supply Chain Attack: What to Do Now

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8 min read
The Day I Stopped Scrolling Through 1,000 Lines of JSON

The Day I Stopped Scrolling Through 1,000 Lines of JSON

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2 min read
Desenvolvendo uma Plataforma para Transformar a Comunicação Escolar

Desenvolvendo uma Plataforma para Transformar a Comunicação Escolar

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2 min read
I Built the Same Hash Utility for Browser, Node, and Python

I Built the Same Hash Utility for Browser, Node, and Python

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2 min read
TypeScript Template Literal Types: Turn Your Strings Into Type-Safe Contracts

TypeScript Template Literal Types: Turn Your Strings Into Type-Safe Contracts

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8 min read
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