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Best practices on debugging open source library

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How not to fall into a rabbit hole when debugging mysterious bugs in a large open source library.

Almost everyone uses some open source library, but when that library fails to do what you want - i.e. decoding only 2 pages out of a 4 page pdf file or it just straight up raises an exception.

Many would dive deep into the code. In this talk, I will try to convince you not to do that by sharing my anecdotal experiences such as finding an elusive unicode character encoding difference between two popular OS's from a large open source project.

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