Robert Heinlein wasn't really a programmer, of course. But in his writing career he said or wrote several things (in his own voice or that of a fictional character) that can help any software developer improve her code... or her career.
http://www.javaworld.com/community/node/3601
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http://www.javaworld.com/community/node/3601
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it doesn't really help me. If you want to improve your code, maybe you should read the book "Writing Scientific Software, A Guide to Good Style" by Suely Oliveira and David Stewart.