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Murphy's Laws of Computer Programming

  1. Any given program, when running, is obsolete.
  2. Any given program costs more and takes longer.
  3. If any program is useful, it will have to be changed.
  4. If a program is useless, it will have to be documented.
  5. Any given program will expand to fill all available memory.
  6. The value of a program is proportional to the weight of its output.
  7. Program complexity always grows until it exceeds the capability of the programmer who must maintain it.
  8. If a test installation functions perfectly, all subsequent systems will malfunction.