Top all-time · #10310
JoT
Personal blog · fffej.substack.com · on HN as jefffostercareerprogramming
JoT is a personal blog at fffej.substack.com about career and programming. Since 2025, 7 different Hacker News readers have linked it 28 times, most often “Fix your flaky tests first”. It is still writing: the last post was on 2026-11-02, and you can follow it by feed.
A place for me to practice writing on things that interest me, usually something to do with technology or leadership.
Most-linked posts?
- Fix your flaky tests first2 people · 2 mentions · first linked 2025-03-05
- Code reviews as a tool to build capability2 people · 2 mentions · first linked 2025-09-02
What Hacker News says?
I’ve been thinking about this too. There’s this notion of variety popularized by cybernetics folks a long time ago. Variety is like the state space of the system. Then there’s a law that says “only variety absorbs variety”. So if a method has high variety then it must have an equally complex implementation to handle the variety. When there is a mismatch it means that either the method has parameters that aren’t usef…
Comment linking /p/only-variety-can-absorb-variety
on “Benchmarking Opus 5 on SlopCodeBench”Submitted Measuring Engineering as a story · 37 points
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HN discussionSubmitted The Root Cause Fallacy as a story · 3 points
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HN discussionSubmitted Code reviews as a tool to build capability as a story · 1 points
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HN discussionSubmitted Fix your flaky tests first as a story · 1 points
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HN discussionSubmitted Fix your flaky tests first as a story · 1 points
HN discussion