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Discussion on: What was the worst bug you've ever written?

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Juan Julián Merelo Guervós

I wrote a paper submission system for a conference, PPSN, back in 2000. Title, authors, paper PDF path were stored in a MySQL database. You would assume that scientific paper titles are shorter than 256 characters, right? They are NOT.
When weird paper titles started to show up and the chairperson noticed and told me, I had to reconstruct paper titles from the Apache log, after making a redefinition of the table that stored them. Everything was written in Perl, so it was not so big a deal, took a short time to fix. But then I'm in academia, so nothing is so big a deal.