Related:

• 1. If a programmer's modification of an existing program works, it's probably not what the users want.
  2. Users don't know what they really want, but they know for certain what they don't want....
• Real Users never know what they want, but they always know when your program doesn't deliver it.
• When a program is working perfectly the programmer will not know what the heck is going on.
  -- Murphy's Sixth Law of Programming...
• line 666 [from Christian eschatological myth] n. The notional line of source at which a program fails for obscure reaso
  implying either that somebody is out to get it (when you are the programmer), or that it richly deserves to be so gotten (when you are not)....
• line 666: [from Christian eschatological myth] n. The notional line of source at which a program fails for obscure reaso
  implying either that *somebody* is out to get it (when you are the programmer), or that it richly deserves to be so gotten (when you are not)....
• Greer's Third Law: A computer program does what you tell it to do, not what you want it to do.
• case and paste n. [from `cut and paste'] 1. The addition of a new feature to an existing system by selecting the code from an existing feature and pasting it in with minor changes.
  Common in telephony circles because most operations in a telephone switch are selected using case statements....