Tag Archives: Common-lisp

Lisp Weenies

What's wrong with the picture in A Cat Cons, my post from yesterday?

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The Longest Common Subsequence

Atabey Kaygun has another great post. This time it deals with finding the longest common subsequence of two sequences. First Atabey describes a simple algorithm for finding the longest common subsequence and then implements it in Common Lisp. The surprise … Continue reading

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A Cat Cons

Via Magnar Sveen we have this offering from Dmitry Ignatiev (cons cat (cons cat nil)) pic.twitter.com/BmmyKhPEt8 — Dmitry Ignatiev (@lvsn) November 15, 2014

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Counting Spanning Trees

I really enjoy Atabey Kaygun's blog. If you like Mathematics and Lisp, you're sure to enjoy it too. A typical post looks at a mathematical problem and either presents a solution or experiments with the problem with Common Lisp. One … Continue reading

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Why Lambda?

Thankful Monster explains something I didn't know. Very interesting. So that's where lambda comes from. I always just kind of thought it was picked at random. pic.twitter.com/wAY1PYN73B — Gerascophobia (@itsbeardo) October 25, 2014

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SBCL 1.2.5 is Available

When I set up my new machine, manfredII, I just copied the then current SBCL's directory from my iMac, aineko, to manfredII and reinstalled the already built binary on the machine. This got me past not having a Lisp compiler … Continue reading

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Common Lisp Notes and Tips on Symbols

Jean-Philippe Paradis has updated hit notes and tips on Common Lisp symbols. He's added cross references and polished it up a bit more. It's still a work in progress but is useful in its current form.

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Stallman on the History of Emacs and GNU

Here's an interesting video from 2002 of Richard Stallman talking about the history of Emacs and the GNU project. As far as I can tell, this is the talk whose transcript I wrote about 3 years ago. It's about 40 … Continue reading

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Atabey Kaygun on Common Lisp Memoization

Atabey Kaygun is a mathematician who likes to experiment with various (mostly mathematical) algorithms using Common Lisp. Many times, a function is most naturally implemented via recursion but this can lead to disastrously inefficient implementations. The canonical example is the … Continue reading

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Common Lisp format Summary

The Common Lisp format function is a bit controversial among some Lispers1. The problem is that the language used by format to specify output strings is un-Lisp like. I'm not one of those people. I like format and feel comfortable … Continue reading

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