Debugging can feel frustrating, especially when a problem appears without an obvious cause. A repeatable process makes it easier to investigate issues without introducing more of them.
1. Reproduce the problem
Write down the steps that cause the issue. Confirm whether it happens every time or only under certain conditions.
2. Read the error carefully
Check the full message, stack trace and relevant logs. Note the file, line or operation involved rather than guessing from the last visible symptom.
3. Reduce the problem
Create the smallest set of steps or inputs that still produces the failure. Smaller examples are easier to reason about.
4. Form one hypothesis
Choose one likely cause and test it. Avoid changing multiple unrelated parts of the application at once.
5. Verify the fix
Repeat the original steps and test nearby cases. A fix is not complete just because the error disappeared once.
6. Document the result
Record the cause, the change and how you verified it. This helps your future self and anyone else working on the project.
Conclusion
Debugging is a core development skill. A calm process—reproduce, inspect, isolate, test and document—turns confusing failures into useful learning.
Abdul Haseeb Mari
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Top comments (1)
Bullet point 3 "Reduce the problem" (replicate the problem with the smallest possible example) is always my favorite one :-)