Category Archives: Programming

Narrowing to Multiple Regions

Posted on 2014-04-07 by jcs

One of the joys of writing this blog is the things I learn from the comments. The other day, I wrote about fancy-narrow and that provoked an interesting discussion between Wilfred and Phil. Wilfred compared fancy-narrow to narrow-to-region-indirect. I assumed … Continue reading →

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Getting Started With the Common Lisp Hyperspec

Posted on 2014-04-04 by jcs

Jean-Philippe Paradis over at HexstreamSoft has a nice page about getting started with the Common Lisp Hyperspec. If you’re already familiar with the Hyperspec, you’re probably with most of the material. If you’re not, it’s a nice introduction. One thing … Continue reading →

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SBCL 1.1.17

Posted on 2014-04-02 by jcs

SBCL 1.1.17 is out. As usual, it built and passed the tests without problems. This months release has a bunch of bug fixes and a couple of enhancements/optimizations. See the NEWS page for details. And no, despite Rainer Joswig’s April … Continue reading →

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Generating Graphs from an Org Mode File

Posted on 2014-03-30 by jcs

I came across this tweet from Sacha Chua Mwahaha! Learned a lot about Org Babel + Graphviz on the way to making http://t.co/vB7qusi7RR . Used fill-region to wrap labels. #emacs =D — Sacha Chua (@sachac) March 20, 2014 and decided … Continue reading →

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CSS By Example

Posted on 2014-03-29 by jcs

Via Jean-Philippe Paradis, I came across this CSS tutorial by Xah Lee. It’s nice because the page shows several examples of CSS effects. When you click on an effect, it takes you to a short tutorial that discusses the effect … Continue reading →

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Variadic Comparisons in Emacs Lisp

Posted on 2014-03-24 by jcs

One of the ways that Emacs Lisp differs from other Lisps is that it doesn’t support multiple arguments for comparisons. That is, you can’t write things like (if (= a b c) do-this else-do-that) or (when (< a b c) … Continue reading →

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Git Flow

Posted on 2014-03-17 by jcs

Recently I’ve seen a lot of articles about git-flow but it was sort of hard to understand exactly how to integrate into your work flow. Happily Kevin Basarab has come to the rescue with a video that shows you how … Continue reading →

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All Those Pesky Commas

Posted on 2014-03-15 by jcs

@samaaron I've tried to program non-lisps, but find I just can't get past all the commas. — Selah Ben-Haim (@selahb) March 7, 2014

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Configuring Emacs as a C/C++ IDE

Posted on 2014-03-13 by jcs

Baris Yuksel has a nice set of videos (Part 1, Part 2) that show you how to configure Emacs to be a reasonable IDE for C and C++. In the first video Yuksel talks about auto-complete, auto-complete-c-headers, and yasnippet. Adding … Continue reading →

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Common Lisp Reader Macros

Posted on 2014-03-10 by jcs

Chaitanya Gupta has posted a nice introduction to reader macros. The conventional wisdom is that reader macros are ripe for abuse and many experts recommend avoiding them. Still, there are times when they solve a legitimate problem1 and in those … Continue reading →

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