Field notes
How these things actually break
Write-ups of failure modes I have spent real time inside — what the symptom looks like, why it is misleading, and where the cause usually turns out to be.
No client names and no invented numbers. These are about technique, which is the part that transfers.
When LinkedIn Job Wrapping quietly stops updating
Job Wrapping depends on scraping your careers site. When the markup changes the feed degrades silently. How to confirm it and what to check first.
Reading a rejected ANSI X12 837 claim
X12 837 rejections name a segment, not a cause. How to work backwards from a rejection code to the field that actually caused it.
Capturing a HAR file that actually helps
Most HAR files sent to support are unusable. How to capture one that shows the failure, and what to strip before sending it to a third party.
Recognise one of these?
If a symptom here matches something you are living with, describe it and I will tell you honestly whether it is worth my time or yours.
Start a conversation →