PC_Workman / blog
Every Wednesday

Wednesday Code Autopsy

One bug or feature on the table. Root cause, the dead ends I walked into, and the fix that finally held — with the code to prove it.

94°Cthe laptop it started on
~90lines that became hck_GPT
#10autopsies and counting
How this series works

Most debugging stories are written after the glory, with the messy middle cut out. Autopsy keeps the middle: the wrong hypothesis, the fix that broke something else, the moment the real cause shows up in a log at 2 AM. If a fix took three attempts, you read about all three.

Episodes on dev.to
#4Apr 2026dev.to

The Canvas Arc Nobody Uses — PC Workman

Tkinter's create_arc, the forgotten primitive behind the driver health gauge.

#1Mar 2026dev.to

How ~90 Lines Turned System Monitoring Into A Conversation

The first intent parser — the seed that grew into hck_GPT's 82 intents.

Newest editions

The freshest autopsies premiere on LinkedIn every Wednesday: linkedin.com/in/marcinfirmuga · x.com/@hck_lab

MF

Marcin Firmuga

Author of the series · solo developer · founder of HCK_Labs

Every autopsy is a bug I personally caused, chased and fixed in PC Workman that week.