Monthly Archives: April 2012

Solution To The Add-A-Gram Challenge

Last week, I issued a challenge to solve the Add-A-Gram puzzle using Emacs and Elisp. The puzzle statement is here. This is an interesting problem that’s easy to get wrong.The solution seems straightforward: Start with a 3-letter word (car, say). … Continue reading

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Two From Garret

I was trawling through Ron Garret’s site (see yesterday’s post) and came upon two excellent short papers. The first, The Idiot’s Guide to Special Variables discusses the difference between lexical and special (or dynamic) variables. The second, The Idiot’s Guide … Continue reading

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Lisp At JPL

A long time ago, I read and enjoyed Ron Garret’s story of using Lisp at the Jet Propulsion Laboratory. Now, he retells the story in a Google Talk that is well worth watching. Part of the story explains how they … Continue reading

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