#bugs-and-errors articles

ZZeroProtocolwebpentestingdeepdive.hashnode.devAug 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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PDPriyansh Dimripriyanshdimri.hashnode.devJul 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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PAPritam Awatadepritam-awatade.hashnode.devMay 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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COCarlos Osorioosorio.hashnode.devMay 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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I(Ivijan (Stefan) Stipicivijan.hashnode.devMay 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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HHaniinothanii.hashnode.devApr 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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MHMehedi Hasan Jimmhjim.hashnode.devApr 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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SKSaurav Kumarsaurav-dev.hashnode.devFeb 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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OVON VOID STUDIOonvoidstudio.hashnode.devFeb 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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JSJ Santosh Rajjsantoshraj-projects.hashnode.devFeb 10 · 3 min read

Google Drive for Desktop nearly made me replace my SSD and RAM — the real cause was a hidden file-system driver (PAGE_FAULT, SFC corruption, disk free

I want to share this because I lost days thinking my laptop hardware was dying, and I’m pretty sure others will go through the same thing and never realize Google Drive is the cause. My laptop Acer Aspire A315-58G i5-1135G7 8 GB RAM SSD + 1 TB HD...

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#bugs-and-errors

#bugs-and-errors

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Client-Side Web Security Essentials

One Reallocation Away From a Segfault

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

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.

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

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

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

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

Unity Project-2026/02/11-HITWAVES

Google Drive for Desktop nearly made me replace my SSD and RAM — the real cause was a hidden file-system driver (PAGE_FAULT, SFC corruption, disk free

#bugs-and-errors

Search Hashnode

#bugs-and-errors

Explore Hashnode

Trending tags this week

Client-Side Web Security Essentials

One Reallocation Away From a Segfault

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

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.

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

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

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

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

Unity Project-2026/02/11-HITWAVES

Google Drive for Desktop nearly made me replace my SSD and RAM — the real cause was a hidden file-system driver (PAGE_FAULT, SFC corruption, disk free