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	<title>Dav &#187; Shameless Self-Promotion</title>
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		<title>Nethack Twitter</title>
		<link>http://dav.sadowl.com/archives/87/</link>
		<comments>http://dav.sadowl.com/archives/87/#comments</comments>
		<pubDate>Fri, 15 May 2009 11:53:32 +0000</pubDate>
		<dc:creator>Dav</dc:creator>
				<category><![CDATA[Random Stuff]]></category>
		<category><![CDATA[Shameless Self-Promotion]]></category>

		<guid isPermaLink="false">http://dav.sadowl.com/archives/87/</guid>
		<description><![CDATA[Our nethack server now has its own twitter feed: http://twitter.com/JerkNethack
Unlike the RSS feed, which has a 1-2 hour delay, this will give you near-INSTANTANEOUS updates on the deaths of other players. Also unlike the RSS feed, twitter is not state-based, so it could conceivably let you know about bones files. (Expect that functionality in a [...]]]></description>
			<content:encoded><![CDATA[<p>Our nethack server now has its own twitter feed: http://twitter.com/JerkNethack</p>
<p>Unlike the RSS feed, which has a 1-2 hour delay, this will give you near-INSTANTANEOUS updates on the deaths of other players. Also unlike the RSS feed, twitter is not state-based, so it could conceivably let you know about bones files. (Expect that functionality in a day or two.)</p>
<p>Update: The feed now lets you know about bones files.</p>
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		<title>This is Your Brain on Sleep</title>
		<link>http://dav.sadowl.com/archives/68/</link>
		<comments>http://dav.sadowl.com/archives/68/#comments</comments>
		<pubDate>Mon, 07 Apr 2008 13:05:41 +0000</pubDate>
		<dc:creator>Dav</dc:creator>
				<category><![CDATA[Overanalyzation]]></category>
		<category><![CDATA[Shameless Self-Promotion]]></category>

		<guid isPermaLink="false">http://dav.sadowl.com/?p=68</guid>
		<description><![CDATA[I feel like I&#8217;ve been in here forever.
Wait, that can&#8217;t be right&#8230; cuz then I&#8217;d be dead.
Me, to myself, in a tired stupor, in the shower this morning.
]]></description>
			<content:encoded><![CDATA[<blockquote><p>I feel like I&#8217;ve been in here forever.</p>
<p>Wait, that can&#8217;t be right&#8230; cuz then I&#8217;d be dead.</p></blockquote>
<p>Me, to myself, in a tired stupor, in the shower this morning.</p>
]]></content:encoded>
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		<title>Put the &#8216;Fun&#8217; Back in Befunge</title>
		<link>http://dav.sadowl.com/archives/45/</link>
		<comments>http://dav.sadowl.com/archives/45/#comments</comments>
		<pubDate>Wed, 14 Jun 2006 19:54:11 +0000</pubDate>
		<dc:creator>Dav</dc:creator>
				<category><![CDATA[Blowing My Mind]]></category>
		<category><![CDATA[Shameless Self-Promotion]]></category>

		<guid isPermaLink="false">http://dav.rivercityransomtactics.com/?p=45</guid>
		<description><![CDATA[Disclaimer: may or may not be interesting to non-programmer types.
I&#8217;ve always been fascinated by esoteric programming languages, though I didn&#8217;t until recently know what to call them. The poster child of the esoteric languages is Brainfuck, a programming language whose programs consist entirely of the following eight characters:  + &#8211; [ ] . ,
Any [...]]]></description>
			<content:encoded><![CDATA[<p>Disclaimer: may or may not be interesting to non-programmer types.</p>
<p>I&#8217;ve always been fascinated by <a href="http://en.wikipedia.org/wiki/Esoteric_programming_language">esoteric programming languages</a>, though I didn&#8217;t until recently know what to call them. The poster child of the esoteric languages is <a href="http://en.wikipedia.org/wiki/Brainfuck">Brainfuck</a>, a programming language whose programs consist entirely of the following eight characters: <> + &#8211; [ ] . ,</p>
<p>Any characters other than these eight are ignored by the interpreter (including whitespace). Here is an example brainfuck program:</p>
<pre>
<code>++++++++++[&gt;+++++++&gt;++++++++++&gt;+++&gt;+&lt;&lt;&lt;&lt;-]&gt;++.&gt;+.++++++
+..+++.&gt;++.&lt;&lt;+++++++++++++++.&gt;.+++.------.--------.&gt;+.&gt;.</code>
</pre>
<p>It simply outputs &#8220;Hello World!&#8221; to the screen.</p>
<p>But one-dimensional code is so <em>passé</em>. All the real coders are using two-dimensional languages, for example <a href="http://en.wikipedia.org/wiki/PATH_programming_language">PATH</a>. PATH programs look somewhat like pictures, and if you look at them you can trace the path of the program visually around it, in two dimensions. I did a little experimentation in PATH but then settled on <a href="http://en.wikipedia.org/wiki/Befunge">Befunge</a> as my esoteric language of choice because it allows for user interaction (which PATH does not).</p>
<p>Here is an example Befunge program:</p>
<pre>
vv&nbsp;&nbsp;&lt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;
&nbsp;&nbsp;&nbsp;&nbsp;2
&nbsp;&nbsp;&nbsp;&nbsp;^&nbsp;&nbsp;v&lt;
&nbsp;v1&lt;?&gt;3v4
&nbsp;&nbsp;&nbsp;&nbsp;^&nbsp;&nbsp;&nbsp;^
&gt;&nbsp;&nbsp;&gt;?&gt;&nbsp;&nbsp;?&gt;5^
&nbsp;&nbsp;&nbsp;&nbsp;v&nbsp;&nbsp;&nbsp;v
&nbsp;v9&lt;?&gt;7v6
&nbsp;&nbsp;&nbsp;&nbsp;v&nbsp;&nbsp;v&lt;
&nbsp;&nbsp;&nbsp;&nbsp;8
&nbsp;.&nbsp;&nbsp;&gt;&nbsp;&nbsp;&gt;&nbsp;&nbsp;&nbsp;^
^&lt;
</pre>
<p>It generates random numbers.</p>
<p>Unfortunately, there was no interpreter for Befunge written in PHP (that I could find) so I wrote one. It&#8217;s called <a href="http://bephunge.sadowl.com/">Bephunge</a> and it&#8217;s awesome.</p>
<p>I am currently working on a Befunge program that allows two humans to play Tic-Tac-Toe. This could probably be done in about 5 minutes in any typical programming language, but then it wouldn&#8217;t <em>blow my mind.</em></p>
]]></content:encoded>
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		<title>Gucwa&#8217;s Law of Wikipedia</title>
		<link>http://dav.sadowl.com/archives/14/</link>
		<comments>http://dav.sadowl.com/archives/14/#comments</comments>
		<pubDate>Mon, 12 Sep 2005 13:47:31 +0000</pubDate>
		<dc:creator>Dav</dc:creator>
				<category><![CDATA[Shameless Self-Promotion]]></category>

		<guid isPermaLink="false">http://dav.rivercityransomtactics.com/?p=14</guid>
		<description><![CDATA[I came up with the following theory today, and I want to give it a web presence before anyone else tries to invent the same theory.
Gucwa&#8217;s Law of Wikipedia states that every article on Wikipedia is 6 or fewer degrees of separation from the Wikipedia article on World War II. That is, starting at any [...]]]></description>
			<content:encoded><![CDATA[<p>I came up with the following theory today, and I want to give it a web presence before anyone else tries to invent the same theory.</p>
<p><b>Gucwa&#8217;s Law of Wikipedia</b> states that every article on Wikipedia is 6 or fewer degrees of separation from the Wikipedia article on <a href="http://en.wikipedia.org/wiki/World_war_2">World War II</a>. That is, starting at any given article on Wikipedia, you can get to the World War II article by following six or fewer links.</p>
<p>(In most test cases I&#8217;ve done, this can be accomplished in three or four. I don&#8217;t think I&#8217;ve seen any at all yet that required all six. Sometime in the future I might tighten Gucwa&#8217;s Law to five or four degrees of separation.)</p>
<p>I challenge anyone to disprove this law by finding an article that does not meet this requirement. Unfortunately, this &#8220;law&#8221; cannot really be proven, it can only be disproven. So, I am opening it up to the scrutiny of the public eye for testing.</p>
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		<item>
		<title>Chip</title>
		<link>http://dav.sadowl.com/archives/8/</link>
		<comments>http://dav.sadowl.com/archives/8/#comments</comments>
		<pubDate>Sun, 31 Jul 2005 18:52:01 +0000</pubDate>
		<dc:creator>Dav</dc:creator>
				<category><![CDATA[Shameless Self-Promotion]]></category>

		<guid isPermaLink="false">http://dav.rivercityransomtactics.com/?p=8</guid>
		<description><![CDATA[I now have a website that is devoted to my chip music.
http://daverd.popgun88.org/
Thanks to Jacob for free hosting.
]]></description>
			<content:encoded><![CDATA[<p>I now have a website that is devoted to my chip music.<br />
<a href='http://daverd.popgun88.org/'>http://daverd.popgun88.org/</a><br />
Thanks to Jacob for free hosting.</p>
]]></content:encoded>
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		<slash:comments>1</slash:comments>
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