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How are software license keys generated?
...-life both used the same checksum, where the 13th digit verified the first 12. Thus, you could enter anything for the first 12 digits, and guess the 13th (there's only 10 possibilities), leading to the infamous 1234-56789-1234
The algorithm for verifying is public, and looks something like this:
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Get file name from URL
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Adrian B.Adrian B.
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What do 'lazy' and 'greedy' mean in the context of regular expressions?
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List directory tree structure in python?
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edited Mar 16 '12 at 3:14
answered Mar 15 '12 at 21:29
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How to show “if” condition on a sequence diagram?
...ct good enough?
– Venkat Madhav
Dec 12 '13 at 14:15
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@VenkatMadhav I can't really say. I've neve...
Hidden features of Ruby
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The flip flop operator is a statefull if. Its state switches to true as soon as i == 3 and switches to false after i != 3 and i == 15. Simi...
Is there a good Valgrind substitute for Windows?
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– C Johnson
Aug 9 '10 at 15:12
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How do you delete a column by name in data.table?
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answered Feb 8 '12 at 22:27
Josh O'BrienJosh O'Brien
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How do I detect what .NET Framework versions and service packs are installed?
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Martin Schneider
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answered Oct 14 '08 at 2:04
Scott DormanScott Do...
Is a memory leak created if a MemoryStream in .NET is not closed?
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