Author Archives: jcs

Solution To The Emacs Programming Challenge

Posted on 2011-12-28 by jcs

A few days ago, I posed an Elisp programming challenge that asked you to make the record (record (date “2005-02-21T18:57:39”) (millis 1109041059800) (sequence 1) (logger nil) (level ‘SEVERE) (class “java.util.logging.LogManager$RootLogger”) (method ‘log) (thread 10) (emessage “A very very bad thing … Continue reading →

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Turnkey Publishing

Posted on 2011-12-27 by jcs

I’ve written several posts about the challenges facing the publishing industry and how their continued existence—at least in their current form—is looking increasingly tenuous. Just today Charlie Stross described the Internet as a “communication tool that tends to disintermediate supply … Continue reading →

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WordPress And Trackbacks

Posted on 2011-12-26 by jcs

I’m a big fan of WordPress. I know a lot of people disagree but it works very well for me. It allows me to maintain a nicely laid out blog without spending a lot of time with administration. I do … Continue reading →

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Emacs’ jump-to-register In Exploratory Programming

Posted on 2011-12-25 by jcs

I’ve written before about Emacs Registers and how you can store the mark in a register with 【Ctrl+x r Space】 register. That’s one of those things that’s occasionally useful because you can then jump to that position with 【Ctrl+x r … Continue reading →

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An Emacs Programming Challenge

Posted on 2011-12-23 by jcs

In Converting S-Expressions To XML In Emacs, I showed how to take a log record expressed as Lisp and turn it into the equivalent XML. In More Fun With Log Files Stored As Lisp, I showed how to take that … Continue reading →

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More Details On find-file Vs. with-temp-buffer

Posted on 2011-12-21 by jcs

Yesterday, I mentioned that Xah Lee had a short post on dramatically differing run times for processing several files with find-file versus processing the same files using with-temp-buffer. His post was fairly short and didn’t have a lot of details. … Continue reading →

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Timing Execution In Emacs

Posted on 2011-12-20 by jcs

Xah Lee has a short post on find-file vs. with-temp-buffer for loading a large number of files. The results were sort of surprising, at least to me, so you should take a look if you need to load several files … Continue reading →

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The Power Of S-Expressions

Posted on 2011-12-19 by jcs

In view of the fact that my last few posts have concentrated on the use of S-expressions to represent data—in particular, to represent log file entries—this seems like a good time to link to S-expressions: The most powerful data structure … Continue reading →

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Exploratory Programming In Emacs

Posted on 2011-12-18 by jcs

This is the final post of my series on storing data as Lisp programs (see here, here, here, here, and here). I hope that those of you have read the whole series have a new or renewed appreciation for the … Continue reading →

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Filtering Lisp-Based Log Files With Emacs Wrap-Up

Posted on 2011-12-17 by jcs

Yesterday’s post discussed some rudimentary methods of having log files stored as Lisp filter themselves. Today I planned to finish that discussion and remark on how Emacs provides a powerful environment for exploratory programming. The discussion of the 3 challenge … Continue reading →

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