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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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Building a Risk-Aware Crypto Trading Bot in Node.js

Building a Risk-Aware Crypto Trading Bot in Node.js

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5 min read
remove.bg charges $0.105/image — here's a $0.009 alternative (2026 comparison)

remove.bg charges $0.105/image — here's a $0.009 alternative (2026 comparison)

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3 min read
Object in JavaScript

Object in JavaScript

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2 min read
Streaming AI Responses in a Serverless World: What I Learned the Hard Way

Streaming AI Responses in a Serverless World: What I Learned the Hard Way

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5 min read
I Built Cortex DL — A Desktop Download Manager with Electron and React

I Built Cortex DL — A Desktop Download Manager with Electron and React

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1 min read
WebSocket Authentication Deep Dive — Tokens, Stateful Connections, and the CORS Bypass Nobody Warns You About

WebSocket Authentication Deep Dive — Tokens, Stateful Connections, and the CORS Bypass Nobody Warns You About

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7 min read
The Everyday Backend Engineer: Step 4 — Dependency Injection

The Everyday Backend Engineer: Step 4 — Dependency Injection

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4 min read
When Your AI Service Goes Down: Building a Multi-Model Fallback System

When Your AI Service Goes Down: Building a Multi-Model Fallback System

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4 min read
Memory Management in JavaScript Games — `destroy()`, `hide()`, and Object Pooling

Memory Management in JavaScript Games — `destroy()`, `hide()`, and Object Pooling

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5 min read
Why You Should Never Upload Sensitive PDFs to the Cloud (And How to Process Them Locally)

Why You Should Never Upload Sensitive PDFs to the Cloud (And How to Process Them Locally)

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3 min read
CĂłmo solucionar el bucle infinito en `useEffect` con objetos y arrays

CĂłmo solucionar el bucle infinito en `useEffect` con objetos y arrays

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2 min read
How I built a real-time whale tracker for Polymarket using their public API

How I built a real-time whale tracker for Polymarket using their public API

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1 min read
You reach for `Promise.all` for every concurrent request. Here's when to use the other three.

You reach for `Promise.all` for every concurrent request. Here's when to use the other three.

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4 min read
Rolling a Google Service Account JWT in Node.js without the googleapis package

Rolling a Google Service Account JWT in Node.js without the googleapis package

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4 min read
I Asked AI to Fix One JavaScript Problem and Gave It the Whole Kitchen 🤖🍳

I Asked AI to Fix One JavaScript Problem and Gave It the Whole Kitchen 🤖🍳

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3 min read
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