#Debugging

Zsh Has Been Silently Eating Shell Histories Since 2015

A stray Ctrl+C at shell exit could truncate your history file; the fix ships in 5.9.2, which macOS doesn't have.

Article · 3w ago2

A 16-Year-Old SQLite Bug Was Eating Tailscale's Databases

The WAL-reset race hid in every SQLite release since 2010 — and your bundled copy may still carry it.

Article · 4w ago5

The 16-Year-Old SQLite Bug That Ate Tailscale's Data

The WAL-reset race survived the industry's most-tested codebase, because "rare" turned out to depend entirely on your workload.

Article · 4w ago1

Debug Node.js Memory Leaks with Chrome DevTools Heap Snapshots

Capture and diff heap snapshots to pinpoint exactly which objects are leaking in a running Node.js service.

Tutorial · 4w ago0

Hunt Down Go Memory Leaks with pprof and Live Heap Diffing

Instrument a Go service with net/http/pprof, diff heap snapshots, and trace a leak to its exact allocation line.

Tutorial · 1mo ago0

The Art of 64-Bit Assembly Returns, Aimed at Your Runtime

Randall Hyde's Volume 2 dissects vtables, exceptions, and coroutines at the instruction level — with one big caveat.

Article · 1mo ago0

That ripgrep Segfault Is Probably a Kernel Bug

A crash in ripgrep's static musl builds traces to a suspected memory-management race in Linux 7.0.

Article · 1mo ago1

Your Flaky Test Might Be a Use-After-Free

Buildkite traced intermittent Rails test failures to heap corruption in Ruby's hiredis driver — code that also ran in production.

Article · 1mo ago6

A Missing .pub File Can Lock You Out of GitHub

OpenSSH silently switches authentication flows based on a file that plays no cryptographic role.

Article · 1mo ago1

Master Chrome DevTools for JavaScript Debugging

Fix a real NaN bug and a real CPU freeze in a tiny demo app, using only the Sources, Network, and Performance panels.

Tutorial · 1mo ago1

Find the Commit That Broke Your Build with git bisect

Stop checking out commits by hand. Automate the search with a test script and let git bisect run pinpoint the exact commit that introduced a regression.

Tutorial · 1mo ago0

Causality Turns LLM Internals Into Debuggable Circuits

Mediation analysis and interventions let teams localize why a model fails—and sometimes edit the fix.

Article · 1mo ago0

GPT-5.6 Breaks Codex Tool Wiring First

Namespace collisions, missing workspace tools, and entitlement gaps are stalling agent runs before the model even gets a chance.

Article · 1mo ago0

Beyond the Colors: A Developer's Guide to htop

Stop treating your process monitor as a passive dashboard and start using it to diagnose real-world performance bottlenecks.

Article · 2mos ago5

Fixing a Kubelet Memory Leak in Kubernetes 1.36

A subtle Go context lifecycle bug in the kubelet can quietly consume node memory and bypass standard pod limits.

Article · 2mos ago0