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The WebSocket Auth Problem: Cookies vs. Bearer Tokens

The WebSocket Auth Problem: Cookies vs. Bearer Tokens

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4 min read
Cron Expressions: a Cron Expressions tool that never sees your data

Cron Expressions: a Cron Expressions tool that never sees your data

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1 min read
Spoiler: escrever código é só 20% do trabalho

Spoiler: escrever código é só 20% do trabalho

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4 min read
ExtensionsbyBunny

ExtensionsbyBunny

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1 min read
PDF Metadata Forensics: A Complete Field-by-Field Reference

PDF Metadata Forensics: A Complete Field-by-Field Reference

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11 min read
I Built 24 Free Browser Tools That Run 100% Client-Side — No Upload, No Tracking

I Built 24 Free Browser Tools That Run 100% Client-Side — No Upload, No Tracking

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2 min read
10 Free Developer Utility Tools That Run Entirely in Your Browser

10 Free Developer Utility Tools That Run Entirely in Your Browser

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3 min read
Why the Treasure Hunt Demo Broke Every Query Tool We Fed It

Why the Treasure Hunt Demo Broke Every Query Tool We Fed It

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3 min read
How We Turn SEC Filings Into Free Stock Analysis

How We Turn SEC Filings Into Free Stock Analysis

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3 min read
Idempotency Keys: The API Pattern That Prevents Duplicate Charges (and Worse)

Idempotency Keys: The API Pattern That Prevents Duplicate Charges (and Worse)

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3 min read
The Moment the Runtime Became Your Enemy

The Moment the Runtime Became Your Enemy

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3 min read
MP3 - SQLi, XSS, and CSRF WriteUp

MP3 - SQLi, XSS, and CSRF WriteUp

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7 min read
[x509Lab] Breaking Down a 4,500-Line Single File App: The Bugs I Found (x509Lab v1.7.1)

[x509Lab] Breaking Down a 4,500-Line Single File App: The Bugs I Found (x509Lab v1.7.1)

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2 min read
How to Optimize a Real-Time Chat Application: A Deep Dive into Our Production Codebase

How to Optimize a Real-Time Chat Application: A Deep Dive into Our Production Codebase

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10 min read
Ruby on Rails End of Life: Rails 6.1 EOL, Rails 7.0 EOL — What's Still Supported in 2026

Ruby on Rails End of Life: Rails 6.1 EOL, Rails 7.0 EOL — What's Still Supported in 2026

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3 min read
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