The sync that deleted our leads every 60 seconds
The sync that deleted our leads every 60 seconds Leads were vanishing. Not bouncing, not erroring — just gone. New leads would appear in our registr…
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Audio works, video is black: debugging a layered WebRTC SFU in Go
Audio connects instantly, the viewer hears everything, and the video tile stays black. The publisher side looks fine. ReplaceTrack returns nil , whi…
The Log You Need Is the One the Platform Decided Not to Keep
The support ticket had been open for nine days when the operations manager finally said the sentence out loud: "It works every time I try it. It onl…
Watermark Removal Artifacts: The "Processed Look" Came From Our Own Blend, Not the AI Model
This is part 8 of the ClearPix engineering series, and it is the story of a bug that lived in the last 40 lines of the pipeline: the step that paste…
JSON in Production: 7 Subtle Bugs That Break Web APIs and How to Debug Them
JSON in Production: 7 Subtle Bugs That Break Web APIs and How to Debug Them JSON (JavaScript Object Notation, RFC 8259) is the undisputed lingua fra…
LangSmith: Essential Observability for LLM Applications in 2026
LangSmith: The Essential Observability Platform for LLM Applications Introduction Building reliable LLM applications is fundamentally different from…
LangSmith: The Essential Observability Platform for LLM Applications
LangSmith: The Essential Observability Platform for LLM Applications Introduction Building reliable LLM applications is fundamentally different from…
Three convincing Python fixes that still fail the boundary case
A fix can remove the first failure and still violate the contract. Here are three small examples where the attempted repair looks reasonable until y…
What happens to an agent’s PASS after a dependency upgrade?
A PASS is a statement about an observation. It is not a permanent property of a package, a service, or a fix. If an agent reports that a workaround…
Diagnose Android APK Installation Failures with ADB
An Android installer dialog often reduces a useful technical failure to two words: App not installed . That message can represent incompatible CPU a…
Why My Agent Needed Hindsight Beyond Chat History
AI agents are good at answering questions in the moment. The harder problem starts when the same problem comes back a week later. While building my…
Every line of my recovery code was correct. It failed every single time."
I run an automated trading system on a paper account. Two pipelines, a handful of small single-purpose agents, no human in the loop once it starts.…
Activating the AI Autopilot: How I Used Claude Code to Hunt Down a Complex JNI Memory Leak
Activating the AI Autopilot: How I Used Claude Code to Hunt Down a Complex JNI Memory Leak When executing an extended soak test on a high-throughput…
Google crawled 270 of my articles and indexed none — the body it received was 0 characters
Read on: the acceptance check that proved 1 = 1 · 繁體中文版 I assumed my content wasn't good enough. Google had never read my content. What it received…
How to Debug Python PDF Image Conversion: Page Count, Resolution, and Timeouts
Short answer: treat a PDF preview timeout as a render-budget problem first. Measure page count, pixel dimensions, and per-page time, then cap resolu…
Debugging a 6-Second JVM Death Loop: A Bytecode Decompilation Story
The Symptom A secondary server in a High Availability (HA) failover cluster kept dying. Not crashing loudly — dying quietly , exactly 6-7 seconds af…
06 — Chat Works. Does the Agent Actually Retrieve Memory?
The images in this article are explanatory diagrams with Chinese labels, not screenshots of test results. Each caption summarizes the diagram in Eng…
No Board of Directors Will Ever Accept "The AI Hallucinated": The Blame Deficit in Software Engineering
Picture this scenario: It's 9:15 AM on a Monday morning. The payment service collapsed over the weekend, resulting in 4 hours of dropped checkouts a…
Debugging R8 Release-Only Crashes Without Disabling Optimization
A debug build works. The release build installs. Then one screen crashes only after minification is enabled. The tempting fix is immediate: -keep cl…
Building a Modern Crash Debugger
I've spent countless hours over the years debugging Windows crashes with tools that were either friendly but limited (e.g. Visual Studio) or powerfu…
The Phantom That Wasn't There: How Unreliable grep Made Us Chase Ghosts
One of the hardest stages in developing a documentation generator is alignment with legacy tools. When you migrate from an old, decades-proven propr…
BeeLadybug 0.4.0 — A Blind, Zero-Dependency Overlay for Debugging Anything on Screen
https://beeenginejs.com/wp-content/uploads/2026/09/Screenshot-2026-09-15-194620.png The problem I kept running into Every time I built a new game or…
I Blamed Sticky Sessions for 48 Hours. The Pool Still Held the Old Socket.
I spent forty-eight hours convinced our load balancer was sticky in the worst possible way after a quiet rolling deploy. After every rolling restart…
I built three tools for Quantinuum's guppy stack. Along the way I found six real bugs.
I built three tools for Quantinuum's guppy/HUGR stack. Along the way I found six real bugs. I've been working with guppylang — Quantinuum's Python-e…
The Ownership Gap: Why AI Workflow Failures Sit Unfixed for Weeks
The Ownership Gap: Why AI Workflow Failures Sit Unfixed for Weeks When an AI workflow breaks in production, the path to fixing it is not obvious. A…
My verifier accepted "13 of 13" by finding the number 13 once
Claims in my project are written as a pair: some count out of some total, each side backed by a cell in a generated table. A checker resolves the cl…
My parser reported a parse error on a file that was never malformed
A build step that reads requirement tables out of a document reported this, every run: FAIL_MAP reason=parse reason=parse has an obvious reading. Ei…
My check ran green every time and its result could never reach the thing that needed it
An acceptance report reads one cell per unit. For weeks it read the same thing on every single unit: accept: map=0 reproduced=absent (every unit, ev…
My privacy scan found 412 leaks. 374 of them were one line of my own tooling.
Before publishing a repository I ran a scan for anything that should not go out. It found 412 hits in 16 files and I read that as sixteen files need…
My negative test stopped being negative when a config file grew by four rows
A test whose entire job was to prove a rule gets refused had quietly started proving that the rule passes. It plants a violation and asserts the che…