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<channel>
	<title>Jon Simpson's Weblog</title>
	<atom:link href="http://www.jonsimpson.co.uk/feed" rel="self" type="application/rss+xml" />
	<link>http://www.jonsimpson.co.uk</link>
	<description>My personal space for ideas &#038; information.</description>
	<pubDate>Sun, 22 Jun 2008 19:20:32 +0000</pubDate>
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			<item>
		<title>A Native Transterpreter for the LEGO Mindstorms RCX</title>
		<link>http://www.jonsimpson.co.uk/weblog/2007-07-18/a-native-transterpreter-for-the-lego-mindstorms-rcx.html</link>
		<comments>http://www.jonsimpson.co.uk/weblog/2007-07-18/a-native-transterpreter-for-the-lego-mindstorms-rcx.html#comments</comments>
		<pubDate>Wed, 18 Jul 2007 02:17:07 +0000</pubDate>
		<dc:creator>Jon</dc:creator>
		
		<category><![CDATA[Computing]]></category>

		<category><![CDATA[Research]]></category>

		<category><![CDATA[occam-pi]]></category>

		<guid isPermaLink="false">http://www.jonsimpson.co.uk/weblog/2007-07-18/a-native-transterpreter-for-the-lego-mindstorms-rcx.html</guid>
		<description><![CDATA[A paper describing the implementation of a &#8216;native&#8217; hotel furnishing in BulgariaTransterpreter virtual machine port, to create a first-class occam-pi runtime environment on a commonly available small robotics platform, the LEGO Mindstorms RCX. This paper was presented on July 11th, 2007 at Communicating Process Architectures 2007, University of Surrey, England.
Abstract
The LEGO Mindstorms RCX is a [...]]]></description>
		<wfw:commentRss>http://www.jonsimpson.co.uk/weblog/2007-07-18/a-native-transterpreter-for-the-lego-mindstorms-rcx.html/feed</wfw:commentRss>
		</item>
		<item>
		<title>SMB File Sharing to a Windows Vista Ultimate PC from OS X 10.4</title>
		<link>http://www.jonsimpson.co.uk/weblog/2007-04-15/smb-file-sharing-to-a-windows-vista-ultimate-pc-from-os-x-104.html</link>
		<comments>http://www.jonsimpson.co.uk/weblog/2007-04-15/smb-file-sharing-to-a-windows-vista-ultimate-pc-from-os-x-104.html#comments</comments>
		<pubDate>Sun, 15 Apr 2007 16:44:06 +0000</pubDate>
		<dc:creator>Jon</dc:creator>
		
		<category><![CDATA[Apple]]></category>

		<category><![CDATA[Computing]]></category>

		<guid isPermaLink="false">http://www.jonsimpson.co.uk/weblog/2007-04-15/smb-file-sharing-to-a-windows-vista-ultimate-pc-from-os-x-104.html</guid>
		<description><![CDATA[After upgrading the computer that holds the majority of the files on my network to Windows Vista Ultimate, I had a few problems accessing it from the Mac running Tiger. Turns out some of the network security options and authentication defaults have changed between XP and Vista.
As Mac OS X 10.4.9 does not appear to [...]]]></description>
		<wfw:commentRss>http://www.jonsimpson.co.uk/weblog/2007-04-15/smb-file-sharing-to-a-windows-vista-ultimate-pc-from-os-x-104.html/feed</wfw:commentRss>
		</item>
		<item>
		<title>Google TechTalk: Concurrent Runtimes and Little Robots</title>
		<link>http://www.jonsimpson.co.uk/weblog/2007-04-09/google-techtalk-concurrent-runtimes-and-little-robots.html</link>
		<comments>http://www.jonsimpson.co.uk/weblog/2007-04-09/google-techtalk-concurrent-runtimes-and-little-robots.html#comments</comments>
		<pubDate>Mon, 09 Apr 2007 17:03:41 +0000</pubDate>
		<dc:creator>Jon</dc:creator>
		
		<category><![CDATA[Computing]]></category>

		<category><![CDATA[occam-pi]]></category>

		<guid isPermaLink="false">http://www.jonsimpson.co.uk/weblog/2007-04-09/google-techtalk-runtimes-robots-and-clusters.html</guid>
		<description><![CDATA[As part of the Transterpreter California roadshow, Matt, Christian and myself gave a Google TechTalk on Thursday 29th March. We started out with background and an introduction to the occam-pi language, a coverage of parallel models and then progressed to cover the application work from my CPA 2006 paper, Robot Control using the Subsumption Architecture. [...]]]></description>
		<wfw:commentRss>http://www.jonsimpson.co.uk/weblog/2007-04-09/google-techtalk-concurrent-runtimes-and-little-robots.html/feed</wfw:commentRss>
		</item>
		<item>
		<title>2007 AAAI Spring Symposium: Robots and Robot Venues</title>
		<link>http://www.jonsimpson.co.uk/weblog/2007-04-09/2007-aaai-spring-symposium-robots-and-robot-venues.html</link>
		<comments>http://www.jonsimpson.co.uk/weblog/2007-04-09/2007-aaai-spring-symposium-robots-and-robot-venues.html#comments</comments>
		<pubDate>Mon, 09 Apr 2007 16:41:36 +0000</pubDate>
		<dc:creator>Jon</dc:creator>
		
		<category><![CDATA[Computing]]></category>

		<category><![CDATA[Research]]></category>

		<category><![CDATA[occam-pi]]></category>

		<guid isPermaLink="false">http://www.jonsimpson.co.uk/weblog/2007-04-09/2007-aaai-spring-symposium-robots-and-robot-venues.html</guid>
		<description><![CDATA[Along with Matt and Christian, I was able to attend and take part in the &#8216;Robots and Robot Venues&#8216; track at the AAAI Spring Symposium at Stanford in Palo Alto, California. It proved to be an extremely interesting three days, spending time around others working with educational robotics platforms and gaining an insight into some [...]]]></description>
		<wfw:commentRss>http://www.jonsimpson.co.uk/weblog/2007-04-09/2007-aaai-spring-symposium-robots-and-robot-venues.html/feed</wfw:commentRss>
		</item>
		<item>
		<title>Subversion and Webroot Security</title>
		<link>http://www.jonsimpson.co.uk/weblog/2007-02-27/subversion-and-webroot-security.html</link>
		<comments>http://www.jonsimpson.co.uk/weblog/2007-02-27/subversion-and-webroot-security.html#comments</comments>
		<pubDate>Tue, 27 Feb 2007 02:39:18 +0000</pubDate>
		<dc:creator>Jon</dc:creator>
		
		<category><![CDATA[Computing]]></category>

		<category><![CDATA[Internet]]></category>

		<guid isPermaLink="false">http://www.jonsimpson.co.uk/weblog/2007-02-27/subversion-and-webroot-security.html</guid>
		<description><![CDATA[I&#8217;ve taken up managing my deployed web applications with subversion, similar to how I manage my wordpress installs.
However, a new issue arises. The source code to my apps is not neccessarily a public domain, open source deal (like Wordpress), and there is nothing to stop someone going to http://example.com/.svn/ or http://example.com/some_directory/.svn/ and poking around at [...]]]></description>
		<wfw:commentRss>http://www.jonsimpson.co.uk/weblog/2007-02-27/subversion-and-webroot-security.html/feed</wfw:commentRss>
		</item>
		<item>
		<title>mplayer, fontconfig and freetype on OS X</title>
		<link>http://www.jonsimpson.co.uk/weblog/2007-02-14/mplayer-fontconfig-and-freetype-on-os-x.html</link>
		<comments>http://www.jonsimpson.co.uk/weblog/2007-02-14/mplayer-fontconfig-and-freetype-on-os-x.html#comments</comments>
		<pubDate>Wed, 14 Feb 2007 04:21:23 +0000</pubDate>
		<dc:creator>Jon</dc:creator>
		
		<category><![CDATA[Computing]]></category>

		<category><![CDATA[PowerBook]]></category>

		<guid isPermaLink="false">http://www.jonsimpson.co.uk/weblog/2007-02-14/mplayer-fontconfig-and-freetype-on-os-x.html</guid>
		<description><![CDATA[Since mplayer got decent support for SSA/ASS subtitles, complete with embedded fonts I&#8217;d been meaning to check the feature out. Recent subversion builds of mplayer had required an upgrade to freetype 2.2.1 from whatever ancient version Apple ship with OS X 10.4, and after enabling passing &#8216;-ass -embeddedfonts&#8217; to the media file, I was slightly [...]]]></description>
		<wfw:commentRss>http://www.jonsimpson.co.uk/weblog/2007-02-14/mplayer-fontconfig-and-freetype-on-os-x.html/feed</wfw:commentRss>
		</item>
		<item>
		<title>Lego Mindstorms NXT Firmware Open Source</title>
		<link>http://www.jonsimpson.co.uk/weblog/2006-11-30/lego-mindstorms-nxt-firmware-open-source.html</link>
		<comments>http://www.jonsimpson.co.uk/weblog/2006-11-30/lego-mindstorms-nxt-firmware-open-source.html#comments</comments>
		<pubDate>Thu, 30 Nov 2006 15:31:44 +0000</pubDate>
		<dc:creator>Jon</dc:creator>
		
		<category><![CDATA[General]]></category>

		<guid isPermaLink="false">http://www.jonsimpson.co.uk/weblog/2006-11-30/lego-mindstorms-nxt-firmware-open-source.html</guid>
		<description><![CDATA[Great to see that Lego have committed to a timescale on releasing the firmware for their new NXT robotics kits. A port of the Transterpreter to the Lego Mindstorms NXT  for christmas? who knows&#8230;
Things have been quiet around here, I hope to write more over the coming weeks when things slow down for christmas.
]]></description>
		<wfw:commentRss>http://www.jonsimpson.co.uk/weblog/2006-11-30/lego-mindstorms-nxt-firmware-open-source.html/feed</wfw:commentRss>
		</item>
		<item>
		<title>Mobile Robot Control: The Subsumption Architecture and occam-pi</title>
		<link>http://www.jonsimpson.co.uk/weblog/2006-09-24/mobile-robot-control-the-subsumption-architecture-and-occam-pi.html</link>
		<comments>http://www.jonsimpson.co.uk/weblog/2006-09-24/mobile-robot-control-the-subsumption-architecture-and-occam-pi.html#comments</comments>
		<pubDate>Sun, 24 Sep 2006 00:04:39 +0000</pubDate>
		<dc:creator>Jon</dc:creator>
		
		<category><![CDATA[Computing]]></category>

		<category><![CDATA[Research]]></category>

		<category><![CDATA[occam-pi]]></category>

		<guid isPermaLink="false">http://www.jonsimpson.co.uk/weblog/2006-09-24/mobile-robot-control-the-subsumption-architecture-and-occam-pi.html</guid>
		<description><![CDATA[An exploration of Brooks&#8217; Subsumption Architecture in combination with the occam-pi language for creating robotic control systems. This paper was presented on September 18, 2006 at Communicating Process Architectures 2006, Napier University, Scotland.

Abstract
Brooks&#8217; subsumption architecture is a design paradigm for mobile robot control that emphasises re-use of modules, decentralisation and concurrent, communicating processes. Through the [...]]]></description>
		<wfw:commentRss>http://www.jonsimpson.co.uk/weblog/2006-09-24/mobile-robot-control-the-subsumption-architecture-and-occam-pi.html/feed</wfw:commentRss>
		</item>
		<item>
		<title>On robotics abstractions (or how robots can&#8217;t take over the world, yet)</title>
		<link>http://www.jonsimpson.co.uk/weblog/2006-05-09/robotics-abstractions.html</link>
		<comments>http://www.jonsimpson.co.uk/weblog/2006-05-09/robotics-abstractions.html#comments</comments>
		<pubDate>Tue, 09 May 2006 00:36:48 +0000</pubDate>
		<dc:creator>Jon</dc:creator>
		
		<category><![CDATA[Computing]]></category>

		<category><![CDATA[occam-pi]]></category>

		<guid isPermaLink="false">http://www.jonsimpson.co.uk/weblog/2006-05-09/robotics-abstractions.html</guid>
		<description><![CDATA[In trying to program for real-time control, good platform-assisted concurrency is vastly useful. It seems sensible to keep the limitations of a sequential execution process out of the actual software and instead, in the underlying runtime. (see TVM). Highly concurrent runtimes for small devices aren&#8217;t prevalent, and a lot of work with small robotics devices [...]]]></description>
		<wfw:commentRss>http://www.jonsimpson.co.uk/weblog/2006-05-09/robotics-abstractions.html/feed</wfw:commentRss>
		</item>
		<item>
		<title>301 redirect non-www to www</title>
		<link>http://www.jonsimpson.co.uk/weblog/2006-02-19/301-redirect-non-www-to-www.html</link>
		<comments>http://www.jonsimpson.co.uk/weblog/2006-02-19/301-redirect-non-www-to-www.html#comments</comments>
		<pubDate>Sun, 19 Feb 2006 00:51:04 +0000</pubDate>
		<dc:creator>Jon</dc:creator>
		
		<category><![CDATA[Computing]]></category>

		<category><![CDATA[Internet]]></category>

		<guid isPermaLink="false">http://www.jonsimpson.co.uk/weblog/2006-02-19/301-redirect-non-www-to-www.html</guid>
		<description><![CDATA[In continuation of the theme &#8216;using my blog as a personal notepad&#8217;, here&#8217;s a small snippet for use in an Apache .htaccess file to ensure that visitors/incoming links not using the www. form of your site&#8217;s domain are redirected correctly.

RewriteEngine On
RewriteCond %{HTTP_HOST} ^example\.co\.uk
RewriteRule (.*) http://www.example.co.uk/$1 [R=301,L]

Make sure to escape periods in the RewriteCond line with [...]]]></description>
		<wfw:commentRss>http://www.jonsimpson.co.uk/weblog/2006-02-19/301-redirect-non-www-to-www.html/feed</wfw:commentRss>
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