Search Results for: chris wellons

Fixing Two Spaces Between Sentences

Posted on 2021-02-13 by jcs

Marcin Borkowski (mbork) has an interesting post on how to deal with two spaces after a sentence when transferring data from Emacs to an external application via the clipboard. The problem is that mbork likes to use two spaces so … Continue reading →

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Finding Intersections Redux

Posted on 2020-02-07 by jcs

Last month, I published a post on Finding The Intersection of Two Lists. The impetus for the post was an Emacs Stack Exchange question asking if there was a better way to find the intersection of two lists than looping … Continue reading →

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Restoring the Elfeed Default Filter

Posted on 2020-02-06 by jcs

I’m a very happy user of Chris Wellons’ excellent RSS reader, elfeed. It has a very powerful search/filter function that lets you control what entries will be displayed and to search for an older entry that you want to revisit. … Continue reading →

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Palindromes With a Sufficiently Smart Compiler

Posted on 2020-02-04 by jcs

Those of you who enjoyed my post on palindrome predicates may also like Joe Marshall’s follow-up to his original post that inspired mine. In it, he considers the two implementations—recursive and iterative—and what it would take for a sufficiently smart … Continue reading →

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Makefiles for Elisp

Posted on 2020-01-24 by jcs

Chris Wellons has another great post over at Null Program. This post discusses how he uses makefiles to build his Emacs packages. If you’re like most Elisp programmers, you probably write only small bits of Elisp to add to your … Continue reading →

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A Palindrome Predicate Coda

Posted on 2020-01-07 by jcs

As I wrote yesterday, I upgraded my Common Lisp environment to SBCL 2.0 so of course I wanted to try it out. Writing Lisp programs in the excellent Slime environment that Emacs provides is truly a pleasure that I haven’t … Continue reading →

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How to Alias Car and Cdr and Why You Probably Shouldn’t

Posted on 2019-12-10 by jcs

A couple of days ago, I wrote about the minor controversy concerning the names of the Lisp functions car and cdr. Some people, mostly non-Lispers but also some who use Lisp, dislike the names and think they should be changed … Continue reading →

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High School Students and Basic Computer Skills

Posted on 2018-11-02 by jcs

Chris Wellons over at Null Program has an interesting post on High School students and how they lack a couple of basic computer skills that hamper their advancement in the subject. Wellons mentors students so he’s seen these problems first … Continue reading →

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Emacs 26, Threads, and Generators

Posted on 2018-06-02 by jcs

One of the things that a lot of people are exited about in Emacs 26 is the introduction of basic threading. Another, less mentioned, feature is generators. The excellent Chris Wellons has a must-read post that talks about both of … Continue reading →

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Emacs Lisp Bytecode

Posted on 2018-05-02 by jcs

Very few Emacs users—no matter how advanced—ever need to worry about the specifics of the Elisp bytecode, or even, for that matter, that it exists. Still, as guys like Chris Wellons have shown, it can sometimes be useful to have … Continue reading →

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