Eightface

by Dave Kellam

Only crashes on Wednesdays

A fun bug story about crashes that only happened on Wednesdays:

After several weeks of frustration, where entire days devoted to experimentation had produced no results, I ended up basically adding printf statements to every single line between receiving the event from the serial port and writing it in the database… and in the process, as I revisited every line of that code, a sinking realization dawned on me.

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