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#bugs-and-errors

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Varun Kumawat6d ago · 10 min read

Reading my agent's traces: three job-search bugs I found in production

The GetHired agent wasn't hallucinating. It was doing exactly what its tools allowed, and the tools were wrong. I only saw that by reading the traces. GetHired has a chat agent for job seekers. You te

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ZeroProtocolAug 14 · 8 min read

Client-Side Web Security Essentials

Modern web apps aren’t just “pages in a browser”—they’re interactive systems where the client (browser) and the server continuously exchange data and decisions. If you’re learning web application secu

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Priyansh DimriJul 23 · 9 min read

One Reallocation Away From a Segfault

Most query engines process one row at a time. An operator produces a row, the next operator consumes it, and the process repeats until the query finishes. GistDB processes 1,024 rows at a time instead

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Pritam AwatadeMay 10 · 14 min read

I Tested Every My Production App With Passmark Every Route Every Page Every Action!

Introduction Testing web applications has always been a critical part of software development, but traditional testing frameworks often require developers to write extensive test scripts for every pos

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Carlos OsorioMay 6 · 20 min read

My ESP32 sent <script>alert(1)</script> to my dashboard. Not from a web request. From a temperature sensor. I didn't write that code.

A corrupted sensor payload did. Let me explain how that happened — and why it means most IoT dashboards are one corrupted sensor reading away from a security incident. The Khymera dashboard under

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Ivijan (Stefan) StipicMay 4 · 3 min read

PHP 8 Broke Your Legacy Code - This Compatibility Layer Fixes It the Right Way

Migrating an old PHP codebase to PHP 8 sounds simple - until it isn’t. You upgrade, run the project, and suddenly: create_function() is gone each() is gone ereg() is dead count(null) throws warnin

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daidalosApr 29 · 10 min read

I let an AI test my AI mental-health companion. Here's what 48 plain-English assertions found.

My name is Rehan, and I built Sorca — an AI therapy companion designed for the gap between sessions. It's a Next.js app serving real UK users, backed by Firebase, ElevenLabs for voice, and Stripe for

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Mehedi Hasan JimApr 6 · 3 min read

We learn from failure, not from success! [Dev Edition]

While reading Dracula, this quote caught my eye. At first, it felt… simple. Something we hear all the time, right? A line that almost blends into the background of motivational posts and TED talks. Bu

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Saurav KumarFeb 15 · 4 min read

The 1-Second Excel Bug That Taught Me About Floating-Point Precision

You probably know that many systems allow users to import data from Excel instead of creating everything manually. We had a similar feature in our application. One of the columns in the import file wa

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ON VOID STUDIOFeb 11 · 2 min read

Unity Project-2026/02/11-HITWAVES

2026/02/11 -기능개발 및 오류 일지 기능개발 히트 판정 및 데미지 연산 [목표] 히트 판정 시스템 구축 공통 데미지 인터페이스 설계 체력 감소 및 사망 처리 흐름 구현 [구현 요약] IDamageable 인터페이스 정의 HealthHandler로 체력 관리 AttackHandler에서 Overlap → 필터 → 정렬 → 적용 MaxHitCount 스탯 도입 GC 방지용 버퍼 사전 할당 [결과] 최근접...

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