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Yes, {} + [] = 0. No, JavaScript Isn’t Broken

Born from airport boredom and spec quirks

Yes, {} + [] = 0. No, JavaScript Isn’t Broken

140
Picked as gem Comments 110
5 min read
Securing an Angular Firebase AI App with Email/Password Authentication (Part 1: Emulator, AuthService, and Route Guard) [GDE]

Securing an Angular Firebase AI App with Email/Password Authentication (Part 1: Emulator, AuthService, and Route Guard) [GDE]

Comments
7 min read
Are You a Web Developer or a Browser Expert? 7 Tests I Failed Building a Photo Editor That Never Uploads Your Photos

Are You a Web Developer or a Browser Expert? 7 Tests I Failed Building a Photo Editor That Never Uploads Your Photos

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Comments 87
7 min read
Core Web Vitals Remediation: Fixing LCP, INP & CLS at the Root

Core Web Vitals Remediation: Fixing LCP, INP & CLS at the Root

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Comments
4 min read
Zero-Trust Reverse Proxy Hardening in Nginx: Rate Limiting, Request Smuggling Guards & mTLS

Zero-Trust Reverse Proxy Hardening in Nginx: Rate Limiting, Request Smuggling Guards & mTLS

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Comments 2
9 min read
I deleted 2,000 lines of code and shipped zero new features. It was the best thing I did all year.

I deleted 2,000 lines of code and shipped zero new features. It was the best thing I did all year.

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Comments
7 min read
Claude Code Custom System Prompts in 2026: Overriding Defaults, Appending Instructions, and What You Cannot Change

Claude Code Custom System Prompts in 2026: Overriding Defaults, Appending Instructions, and What You Cannot Change

1
Comments
13 min read
We Need to Talk About How Gross Modern Web Design Has Become (And How We Built an AI to Catch It)

Tech stack details inside

We Need to Talk About How Gross Modern Web Design Has Become (And How We Built an AI to Catch It)

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Picked as gem Comments 19
4 min read
One Contains Call, 375 Million Comparisons

One Contains Call, 375 Million Comparisons

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5 min read
SortedDictionary Kept Sorting My Insertion Order Away

SortedDictionary Kept Sorting My Insertion Order Away

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5 min read
My SSL expiry checker was six weeks off on github.com

My SSL expiry checker was six weeks off on github.com

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5 min read
Scoring a "You Won!" Message: The Pattern Checks Behind Our Scam Checkers

Scoring a "You Won!" Message: The Pattern Checks Behind Our Scam Checkers

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5 min read
Why I Built a 100% In-Browser Privacy Toolkit (And How to Manipulate PDFs in Memory Without a Backend)

Why I Built a 100% In-Browser Privacy Toolkit (And How to Manipulate PDFs in Memory Without a Backend)

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5 min read
Counting LZW codes to see why dithered GIFs come out bigger

Counting LZW codes to see why dithered GIFs come out bigger

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4 min read
93 Paid Clicks, Zero Signups: My Google Button Doesn't Work Inside TikTok

93 Paid Clicks, Zero Signups: My Google Button Doesn't Work Inside TikTok

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4 min read
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