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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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Parsing Adobe Illustrator .ai files in the browser with pdf.js — four things the docs don't tell you

Parsing Adobe Illustrator .ai files in the browser with pdf.js — four things the docs don't tell you

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7 min read
MCP's Tasks Extension Lets a Tool Call Run in the Background — If You Get the Object Shape Right

MCP's Tasks Extension Lets a Tool Call Run in the Background — If You Get the Object Shape Right

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2 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
Your SKILL.md Works Fine Locally and Fails the Instant You Try to Share It

Your SKILL.md Works Fine Locally and Fails the Instant You Try to Share It

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2 min read
Checking 800M Leaked Passwords in 2MB of RAM with Bloom Filters

Checking 800M Leaked Passwords in 2MB of RAM with Bloom Filters

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4 min read
Declarative Partial Updates: Out-of-Order HTML Streaming Without a Framework

Declarative Partial Updates: Out-of-Order HTML Streaming Without a Framework

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4 min read
Monolith vs Microservices in MERN: Stop Following Trends and Start Solving Problems

Monolith vs Microservices in MERN: Stop Following Trends and Start Solving Problems

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3 min read
Semantic Vision – interactive call graph, impact analysis, and code-to-data lineage for Python/JS/TS codebases

Semantic Vision – interactive call graph, impact analysis, and code-to-data lineage for Python/JS/TS codebases

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1 min read
Why I Built a Zero-Knowledge, Client-Side Encrypted Burning Note App Over the Weekend

Why I Built a Zero-Knowledge, Client-Side Encrypted Burning Note App Over the Weekend

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2 min read
I shipped a Kasiski calculator with 21 passing tests. It got 3 of 5 key lengths wrong.

I shipped a Kasiski calculator with 21 passing tests. It got 3 of 5 key lengths wrong.

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6 min read
useState vs useReducer 🚀

useState vs useReducer 🚀

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1 min read
How Can a Website Receive Data Without You Refreshing the Page?

How Can a Website Receive Data Without You Refreshing the Page?

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4 min read
Building Reliable WhatsApp Read/Unread Sync for a Shared Inbox

Building Reliable WhatsApp Read/Unread Sync for a Shared Inbox

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6 min read
The Rust vs. JavaScript Undefined Behavior Crisis: Lessons from Recent Security Incidents and Cross-Language Compilation Bugs

The Rust vs. JavaScript Undefined Behavior Crisis: Lessons from Recent Security Incidents and Cross-Language Compilation Bugs

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4 min read
Debugging Node.js Like a Pro

Debugging Node.js Like a Pro

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3 min read
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