The Tricky Python Bug I Created by Misunderstanding bool()
- May 25, 2026
- 4 min read
- Python programming
I once hit a subtle Python bug by checking if bool(v.capitalize()) on a string. Here is why Python’s string-to-boolean conversion tricked me, …
Go Config: Stop the Silent YAML Bug (Use mapstructure for Safety)
- October 20, 2025
- 5 min read
- Go programming
Stop silent Go configuration bugs in microservices. Learn why direct loading of YAML, JSON, or TOML struct is unsafe, how Go’s zero values hide …
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The Bug I Hit When I Forgot a return in Python
- August 24, 2025
- 3 min read
- Python programming
I once hit a subtle Python bug just by forgetting the return keyword. Here’s what happened, why the function returned None, and how to avoid …
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Illustrative Explanation of Fault, Error, Failure, bug, and Defect in Software
- July 29, 2024
- 18 min read
- Software quality
Software do not always behave as expected. Mistakes in the implementation or in the requirements specification cause issues in software. The common …
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