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#commonlisp

15 posts13 participants3 posts today
Vassil Nikolov<p>&lt;"&gt;<br>I think some people do either end up not using slime, or not using sbcl’s ext:save-lisp-and-die to save and resume their universe lisp image core when they are using slime. When you should use both.<br>&lt;/"&gt;</p><p>Good points.<br>I'll make a weaker statement.<br>You don't _have_ to use them.<br>Your mode of operation will vary.<br>But you must make an __informed__ decision whether to use them or not.</p><p><a href="https://ieji.de/tags/CommonLisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CommonLisp</span></a></p><p><span class="h-card" translate="no"><a href="https://gamerplus.org/@screwlisp" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>screwlisp</span></a></span></p>
Vassil Nikolov<p>&gt; As much as CL is 'standardized', it doesn't appear to have a standard way of interaction with the ecosystem.</p><p>Aside:<br>as a language, Common Lisp _is_ standardized, no quotes.<br>Yes, it is unfortunate that (official) standardization didn't get around to doing more.<br>Simplistically, blame it on the first AI winter.</p><p>I think most people's problem with Lisp is that it wins no popularity contests.<br>Like Shakespeare's Banquo from the Play, it begat kings though it was none.</p><p><a href="https://ieji.de/tags/CommonLisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CommonLisp</span></a></p><p><span class="h-card" translate="no"><a href="https://fed.bajsicki.com/@phil" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>phil</span></a></span> <span class="h-card" translate="no"><a href="https://gamerplus.org/@screwlisp" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>screwlisp</span></a></span></p>
screwlisp<p><a href="https://gamerplus.org/tags/sbcl" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sbcl</span></a> <a href="https://gamerplus.org/tags/commonLisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>commonLisp</span></a> <a href="https://gamerplus.org/tags/slime" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>slime</span></a> <a href="https://gamerplus.org/tags/emacs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>emacs</span></a> <a href="https://gamerplus.org/tags/programming" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>programming</span></a> .</p><p><a href="https://screwlisp.small-web.org/fundamental/sbcl-slime-eval-lisp-and-die/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">screwlisp.small-web.org/fundam</span><span class="invisible">ental/sbcl-slime-eval-lisp-and-die/</span></a></p><p>I think some people do either end up not using slime, or not using sbcl’s ext:save-lisp-and-die to save and resume their universe lisp image core when they are using slime. When you should use both.</p><p>This article covers that.</p>
Vassil Nikolov<p>On this 22nd day of the 7th month, 22/7 being a better approximation of π than 3.14, here is a curio due to P. Olivera (2005).<br>Take the fractional part of π, and sum the first 3 groups of 6 decimal digits: you get 1588419.<br>Skip the next 15 digits: 88419 follow.</p><p>Here is a <a href="https://ieji.de/tags/CommonLisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CommonLisp</span></a> program to illustrate:<br>&lt;<a href="https://vnikolov-lines.blogspot.com/2025/07/en-curio-about-digits-of-pi.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">vnikolov-lines.blogspot.com/20</span><span class="invisible">25/07/en-curio-about-digits-of-pi.html</span></a>&gt;.</p><p>Sources:<br>&lt;<a href="https://mathworld.wolfram.com/PiDigits.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">mathworld.wolfram.com/PiDigits</span><span class="invisible">.html</span></a>&gt; (sets cookies)<br>via<br>&lt;<a href="https://www.futilitycloset.com/2025/07/15/portent/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">futilitycloset.com/2025/07/15/</span><span class="invisible">portent/</span></a>&gt;.</p><p><a href="https://ieji.de/tags/Pi" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Pi</span></a><br><a href="https://ieji.de/tags/PiDay" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PiDay</span></a><br><a href="https://ieji.de/tags/PiDigits" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PiDigits</span></a></p>
The Medley Interlisp Project<p>The Common Lisp implementation of Medley Interlisp is closer to CLtL1 than ANSI but does support the condition system. The CONDITIONGRAPH tool shows the hierarchy graph of conditions.</p><p><a href="https://fosstodon.org/tags/interlisp" class="mention hashtag" rel="tag">#<span>interlisp</span></a> <a href="https://fosstodon.org/tags/CommonLisp" class="mention hashtag" rel="tag">#<span>CommonLisp</span></a> <a href="https://fosstodon.org/tags/lisp" class="mention hashtag" rel="tag">#<span>lisp</span></a></p>
Perpetuaλ β 🇺🇦 :emacs:<p>Unfortunately the state of graphics programming frameworks in <a href="https://sonomu.club/tags/commonlisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>commonlisp</span></a> is not quite there yet, so it seems I'll be crawling back to <a href="https://sonomu.club/tags/cpp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cpp</span></a> and <a href="https://sonomu.club/tags/openframeworks" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>openframeworks</span></a> for my graphics needs.</p><p>Bits and pieces are there in the lisp ecosystem, but there's nothing at the moment that ties it all together in the way that oF or Processing does. In the future I might think of going down the Clojure/quill route, as it seems I should be able to leverage the full power of a lisp and all of Java/Processing.</p>
screwlisp<p>Installing lisp for beginners.</p><p><a href="https://screwlisp.small-web.org/fundamental/installing-lisp-etc/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">screwlisp.small-web.org/fundam</span><span class="invisible">ental/installing-lisp-etc/</span></a></p><p>So much computing is predicated on having this or a conscious alternative decision to it. Here is my attempt to help beginners get this far. What do you think?</p><p><a href="https://gamerplus.org/tags/commonLisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>commonLisp</span></a> <a href="https://gamerplus.org/tags/emacs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>emacs</span></a> <a href="https://gamerplus.org/tags/beginners" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>beginners</span></a> <a href="https://gamerplus.org/tags/lisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>lisp</span></a> <a href="https://gamerplus.org/tags/programming" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>programming</span></a> <a href="https://gamerplus.org/tags/setup" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>setup</span></a> <a href="https://gamerplus.org/tags/software" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>software</span></a> <a href="https://gamerplus.org/tags/developer" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>developer</span></a></p>
Vassil Nikolov<p>&gt; ANSI CL does not call for or need TCO as such.</p><p>My impression is that the ANSI committee didn't want to burden implementors by mandating tail call elimination (it is easier in Scheme), but don't take my word for it.<br>Besides, a stack overflow can be of great help to tackle endless loops, though that is a different story.</p><p>&gt; DO exists because it is exactly like one common case of TCO.</p><p>Yes.</p><p><a href="https://ieji.de/tags/CommonLisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CommonLisp</span></a></p><p>By the way, TCO as a TLA sounds like an OS/MVS thing...</p><p><span class="h-card" translate="no"><a href="https://gamerplus.org/@screwlisp" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>screwlisp</span></a></span> <span class="h-card" translate="no"><a href="https://mastodon.social/@AverageDog" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>AverageDog</span></a></span></p>
Marcus Kammer<p>rewrite everything in <a href="https://fosstodon.org/tags/commonlisp" class="mention hashtag" rel="tag">#<span>commonlisp</span></a></p>
screwlisp<p><span class="h-card" translate="no"><a href="https://infosec.exchange/@ksaj" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>ksaj</span></a></span> <span class="h-card" translate="no"><a href="https://snac.d34d.net/pkw" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>pkw</span></a></span> <span class="h-card" translate="no"><a href="https://mastodon.social/@deech" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>deech</span></a></span> <br>oh, yeah, good book. </p><p>When I first went to read the art of the metaobject protocol and I got to where it says "if you are new to the common lisp object system, go read Sonya Keene's Object-oriented Programming in Common LISP: A Programmer's Guide to CLOS now then come back afterwards"</p><p>but I made the mistake of trying to read AMOP first (which I did not much understand or retain). <a href="https://gamerplus.org/tags/AMOP" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AMOP</span></a> <a href="https://gamerplus.org/tags/bookstodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bookstodon</span></a> <a href="https://gamerplus.org/tags/commonLisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>commonLisp</span></a></p>
Paul SomeoneElse<a href="https://snac.d34d.net?t=commonlisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#commonlisp</a> is a tag to add<br><br>edit: i have been reading:<br>Object-oriented Programming in Common LISP: A Programmer's Guide to CLOS<br>by Sonya E. Keene off and on for a while and i like it.<br><br>CC: <span class="h-card"><a href="https://mastodon.social/users/deech" class="u-url mention" rel="nofollow noopener" target="_blank">@deech@mastodon.social</a></span><br>
screwlisp<p><a href="https://gamerplus.org/tags/programming" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>programming</span></a> <a href="https://gamerplus.org/tags/workflow" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>workflow</span></a> <a href="https://gamerplus.org/tags/GUI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GUI</span></a> <a href="https://gamerplus.org/tags/mcclim" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>mcclim</span></a> <a href="https://gamerplus.org/tags/commonLisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>commonLisp</span></a> <a href="https://gamerplus.org/tags/emacs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>emacs</span></a> <a href="https://gamerplus.org/tags/ecl" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ecl</span></a> <a href="https://gamerplus.org/tags/clisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>clisp</span></a> <a href="https://gamerplus.org/tags/slime" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>slime</span></a> <a href="https://gamerplus.org/tags/leonardoCalculus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>leonardoCalculus</span></a> <a href="https://gamerplus.org/tags/eepitch" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>eepitch</span></a> </p><p><a href="https://screwlisp.small-web.org/lispgames/LCKR-object-oriented-simulation-simulation/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">screwlisp.small-web.org/lispga</span><span class="invisible">mes/LCKR-object-oriented-simulation-simulation/</span></a></p><p>I have to say, I am really, really happy with how the flow into the thirty second GIF reflects my ideal computer useage.</p><p>Basically, I write a clim command that steers my leonardo system "like a person does" via emacs-server, visible in the background of the straightforward clim interactor GUI I generated in a couple lines.</p>
extenebris<p><a href="https://mastodon.social/tags/CommonLisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CommonLisp</span></a> sturdy, industrial</p><p><a href="https://mastodon.social/tags/Scheme" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Scheme</span></a> elegant, academic</p><p><a href="https://mastodon.social/tags/Emacs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Emacs</span></a> lisp the only actually useful lisp</p><p><a href="https://mastodon.social/tags/clojure" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>clojure</span></a> if it weren't JVM-based... there's always one bad apple</p><p><a href="https://mastodon.social/tags/shitpost" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>shitpost</span></a></p>
screwlisp<p><a href="https://gamerplus.org/tags/programming" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>programming</span></a> <a href="https://gamerplus.org/tags/gamedev" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>gamedev</span></a> <a href="https://gamerplus.org/tags/devlog" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>devlog</span></a> <a href="https://gamerplus.org/tags/simulation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>simulation</span></a> <a href="https://gamerplus.org/tags/commonLisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>commonLisp</span></a> <a href="https://gamerplus.org/tags/leonardoCalculus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>leonardoCalculus</span></a> </p><p><a href="https://screwlisp.small-web.org/lispgames/LCKR-a-simulation-backend-interface/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">screwlisp.small-web.org/lispga</span><span class="invisible">mes/LCKR-a-simulation-backend-interface/</span></a></p><p>Really just a devlog! I slapped a <a href="https://gamerplus.org/tags/mcclim" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>mcclim</span></a> <a href="https://gamerplus.org/tags/gui" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>gui</span></a> onto my simulation so that I could click a button rather than type actions over and over again.</p><p>Then, I really just figured out that one simple-starting-arrangement idea I had doesn't work, because the only vertical move that gets triggered is from the lowest row of a tile to the highest row of the same tile.</p><p>Small "improvements".</p>
charje<p>Im live streaming some common lisp programming today. 🆑 </p><p><a href="https://twitch.tv/charjey" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">twitch.tv/charjey</span><span class="invisible"></span></a></p><p><a href="https://mastodon.social/tags/commonlisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>commonlisp</span></a> <a href="https://mastodon.social/tags/lisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>lisp</span></a> <a href="https://mastodon.social/tags/programming" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>programming</span></a> <a href="https://mastodon.social/tags/live" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>live</span></a> <a href="https://mastodon.social/tags/streaming" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>streaming</span></a></p>
Nils M Holm<p>Made some minor changes to MICRO COMMON LISP: better compatibility, pseudo-strings, more free nodes, etc.<br><a href="http://t3x.org/mcl/index_d.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">http://</span><span class="">t3x.org/mcl/index_d.html</span><span class="invisible"></span></a><br><a href="https://mastodon.social/tags/LISP" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LISP</span></a> <a href="https://mastodon.social/tags/CommonLISP" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CommonLISP</span></a></p>
​izzy<p>like absolute clockwork, a recent change in -current broke a badly behaving program/library on my setup.</p><p><a href="https://marc.info/?l=openbsd-misc&amp;m=175277808500517&amp;w=2" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">marc.info/?l=openbsd-misc&amp;m=17</span><span class="invisible">5277808500517&amp;w=2</span></a></p><p>I love <a href="https://ieji.de/tags/openbsd" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>openbsd</span></a> &lt;3 /gen</p><p><a href="https://ieji.de/tags/commonlisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>commonlisp</span></a></p>
screwlisp<p><a href="https://gamerplus.org/tags/leonardoCalculus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>leonardoCalculus</span></a> <a href="https://gamerplus.org/tags/Sandewall" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Sandewall</span></a> <a href="https://gamerplus.org/tags/programming" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>programming</span></a> <a href="https://gamerplus.org/tags/objectOriented" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>objectOriented</span></a> <a href="https://gamerplus.org/tags/simulation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>simulation</span></a> <a href="https://gamerplus.org/tags/lisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>lisp</span></a> <a href="https://gamerplus.org/tags/commonLisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>commonLisp</span></a> </p><p>I feel like this article is one of those moments that is a monumental achievement for the writer themselves, but precedes adding glitzy picture making (which will eventually come too).</p><p>If you remember, I was recapitulating my somewhat failed <a href="https://gamerplus.org/tags/lispgamejam" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>lispgamejam</span></a> <a href="https://gamerplus.org/tags/gamedev" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>gamedev</span></a> . This time and in about half a week just now - I got the plant/insect/bird Breitenbergian Vehicle simulation workin'.</p><p><a href="https://screwlisp.small-web.org/lispgames/LCKR-completing-the-simulation/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">screwlisp.small-web.org/lispga</span><span class="invisible">mes/LCKR-completing-the-simulation/</span></a></p>
Artyom Bologov<p>Planning to write a post on <a href="https://merveilles.town/tags/CommonLisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CommonLisp</span></a> <a href="https://merveilles.town/tags/REPL" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>REPL</span></a> customization. Gathering state-of-the-art customizations. Remembered that I implemented native graphical debugger in <a href="https://merveilles.town/tags/Nyxt" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Nyxt</span></a> once (immortalized in Ndebug <a href="https://github.com/atlas-engineer/ndebug" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">github.com/atlas-engineer/ndeb</span><span class="invisible">ug</span></a>). Went to check on the current state of Nyxt-native debugging. </p><p>And yes, native debugger was removed too, much like many other signature features. Which might be a reason to hold a grudge about my work being erased, I guess? </p><p>But I'm more saddened about this exemplary REPL hacking piece gone missing, really. I want to point at good examples of custom REPLs in my new post... and there aren't many anymore 😢</p>
charliemac<p>Yay! Last-minute success! (only for left-to-right rendering, though)</p><p>It appears like I have the scaling working correctly and SDF fonts are rendering as expected. It's even working pretty nicely with the text sizing demo! It looks like I still have a bug with the text bounding box but, visually things are looking much better.</p><p><a href="https://mastodon.social/tags/McCLIM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>McCLIM</span></a> <a href="https://mastodon.social/tags/CommonLisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CommonLisp</span></a> <a href="https://mastodon.social/tags/OpenGL" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OpenGL</span></a> <a href="https://mastodon.social/tags/SDF" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SDF</span></a></p>