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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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How to Fix Expo Doctor Errors in Expo

How to Fix Expo Doctor Errors in Expo

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8 min read
Understanding useState in React: A Beginner's Guide

Understanding useState in React: A Beginner's Guide

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3 min read
Biome: a blazing-fast formatter with high Prettier compatibility

Biome: a blazing-fast formatter with high Prettier compatibility

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3 min read
Next.js Caching Mental Model in 2026: Request Memoization, Data Cache, Full Route Cache, and Router Cache Explained Once and for All

Next.js Caching Mental Model in 2026: Request Memoization, Data Cache, Full Route Cache, and Router Cache Explained Once and for All

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10 min read
dev.to ships its comment CSRF token as value="NOTHING". Here's what that breaks.

dev.to ships its comment CSRF token as value="NOTHING". Here's what that breaks.

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2 min read
A 371MB demo video became 145MB locally — the bandwidth math

A 371MB demo video became 145MB locally — the bandwidth math

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2 min read
Demystifying CORS: The Browser Gatekeeper You Love to Hate

Demystifying CORS: The Browser Gatekeeper You Love to Hate

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3 min read
I built 59 free browser-based dev tools in vanilla JS — here's what I learned

I built 59 free browser-based dev tools in vanilla JS — here's what I learned

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2 min read
Building Real-Time React Apps with SSE: Auth, Reconnection, and TanStack Query

Building Real-Time React Apps with SSE: Auth, Reconnection, and TanStack Query

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3 min read
My assignment video was too big to upload, so I shrank it

My assignment video was too big to upload, so I shrank it

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2 min read
Residential Proxies Made My Lazada Scraper Worse: the Gate Reads the Handshake, Not the IP

Residential Proxies Made My Lazada Scraper Worse: the Gate Reads the Handshake, Not the IP

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7 min read
I built ChatClash: a privacy-first way to turn WhatsApp group chats into stats, awards and a Wrapped

I built ChatClash: a privacy-first way to turn WhatsApp group chats into stats, awards and a Wrapped

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2 min read
Scoring a Local Business Page for the Signals Local Search Reads (the Check Validators Skip)

Scoring a Local Business Page for the Signals Local Search Reads (the Check Validators Skip)

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6 min read
I Built 93+ Free Browser-Based Tools for Developers — No Signup, No Upload

I Built 93+ Free Browser-Based Tools for Developers — No Signup, No Upload

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3 min read
I built a password generator that never sends your data anywhere — here's the crypto behind it

I built a password generator that never sends your data anywhere — here's the crypto behind it

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3 min read
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