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Possible to do a MySQL foreign key to one of two possible tables?
Well here's my problem I have three tables; regions, countries, states. Countries can be inside of regions, states can be inside of regions. Regions are the top of the food chain.
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Invalid postback or callback argument. Event validation is enabled using '
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.htaccess mod_rewrite - how to exclude directory from rewrite rule
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How to limit depth for recursive file list?
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Mod of negative number is melting my brain
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Guards vs. if-then-else vs. cases in Haskell
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