Monthly Archives: October 2011

A Common Lisp Quick Reference

Posted on 2011-10-22 by jcs

Bert Burgemeister has a very nice Common Lisp Quick Reference available for download. The idea is that you print it out, fold the pages, and staple them to form a little booklet. He’s got copies for A4 and letter size … Continue reading →

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Multiplication Table In Emacs Revisited

Posted on 2011-10-21 by jcs

Yesterday, I wrote about generating a 10 × 10 multiplication table in Emacs Lisp. The solution I gave involved using the dolist macro with a list of the numbers 1–10 like this (dolist (r ‘(1 2 3 4 5 6 … Continue reading →

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Multiplication Table In Emacs Lisp

Posted on 2011-10-20 by jcs

Xah Lee saw my post about Tim Visher’s video on building a multiplication table in Emacs and decided to experiment. Visher’s video was in the context of VimGolf where the goal was to build the table in the minimum number … Continue reading →

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The Emacs Help Function

Posted on 2011-10-19 by jcs

Most Emacs users are familiar with the “common” help functions Key Function 【f】 Describe function 【v】 Describe variable 【k】 Describe key sequence 【a】 Apropos 【i】 Info and perhaps a few others such as 【Ctrl+a】 to display the Emacs start page. … Continue reading →

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Dennis Ritchie

Posted on 2011-10-18 by jcs

As I said yesterday, I was on the road last week so I’m late with this post about the death of dmr but I can’t let his passing and accomplishments go unremarked. As he was for many, dmr was one … Continue reading →

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Replace Digits By Subscripts In Emacs

Posted on 2011-10-17 by jcs

Xah Lee had an interesting Emacs Lisp problem last week but I was away and unable to join the fun. The problem is to replace any occurrence of a digit in a string by the equivalent subscript. Thus 1 → … Continue reading →

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A Screencast on Emacs Dired Basics

Posted on 2011-10-16 by jcs

If you’re new to Dired and like to learn visually (as compared to, say, reading about a subject), Kenny Meyer has an interesting screencast on Dired basics that you may enjoy. He covers Copying files Deleting files Renaming files Creating … Continue reading →

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Delete Backwards To BOL in Emacs

Posted on 2011-10-15 by jcs

This is another short Emacs tip that’s really a note to myself. The other day, I found myself in the middle of a line and needed to delete everything back to the beginning-of-line. I was sure there was some way … Continue reading →

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Eval And Replace In Emacs

Posted on 2011-10-14 by jcs

I was watching another of Tim Visher’s VimGolf videos in which he builds a multiplication table by the clever use of keyboard macros. What got my attention, however, was his use of the function eval-and-replace that evaluates the sexp preceding … Continue reading →

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Transposing In Emacs

Posted on 2011-10-13 by jcs

Most Emacs users know about using 【Ctrl+t】 to transpose two letters and 【Meta+t】 to transpose two words but there are two other useful transposition commands. You can use the sequence 【Ctrl+x Ctrl+t】 to transpose two lines. As with the other … Continue reading →

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