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	<title>mvngu</title>
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	<link>http://mvngu.wordpress.com</link>
	<description>mathematics, programming and other rantings</description>
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		<title>mvngu</title>
		<link>http://mvngu.wordpress.com</link>
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			<item>
		<title>LaTeX Dates in Australian Format</title>
		<link>http://mvngu.wordpress.com/2009/11/08/latex-dates-in-australian-format/</link>
		<comments>http://mvngu.wordpress.com/2009/11/08/latex-dates-in-australian-format/#comments</comments>
		<pubDate>Sun, 08 Nov 2009 17:15:52 +0000</pubDate>
		<dc:creator>mvngu</dc:creator>
				<category><![CDATA[primer]]></category>
		<category><![CDATA[LaTeX]]></category>

		<guid isPermaLink="false">http://mvngu.wordpress.com/?p=956</guid>
		<description><![CDATA[The  macro \today presents dates in US format, which can be annoying when you want dates to be typeset in Australian or universal formats. Use the following macros to typeset dates in Australian format.

% Format date in the form 12 March 2007, for example.
\usepackage{datetime}
\newdateformat{auDateFormat}{%
  \twodigit{\THEDAY}~\monthname[\THEMONTH]~\THEYEAR
}
\auDateFormat

To get the universal format, simply re-arrange the day, [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=mvngu.wordpress.com&blog=4385998&post=956&subd=mvngu&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://mvngu.wordpress.com/2009/11/08/latex-dates-in-australian-format/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">mvngu</media:title>
		</media:content>
	</item>
		<item>
		<title>Rename Multiple Files in Bash</title>
		<link>http://mvngu.wordpress.com/2009/11/08/rename-multiple-files-in-bash/</link>
		<comments>http://mvngu.wordpress.com/2009/11/08/rename-multiple-files-in-bash/#comments</comments>
		<pubDate>Sun, 08 Nov 2009 17:06:50 +0000</pubDate>
		<dc:creator>mvngu</dc:creator>
				<category><![CDATA[primer]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[bash]]></category>

		<guid isPermaLink="false">http://mvngu.wordpress.com/?p=950</guid>
		<description><![CDATA[Here&#8217;s a quick tip for renaming multiple files with the same name &#60;name&#62; but different extensions &#60;ext&#62;. You want to retain the extensions and only change &#60;name&#62; to &#60;new-name&#62;.

for i in `ls`; do
    mv -fv "$i" `ls "$i" &#124; sed 's/././'`
done

Posted in primer, programming Tagged: bash, primer, programming     [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=mvngu.wordpress.com&blog=4385998&post=950&subd=mvngu&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://mvngu.wordpress.com/2009/11/08/rename-multiple-files-in-bash/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">mvngu</media:title>
		</media:content>
	</item>
		<item>
		<title>Screencast: How To Create A New Ticket On Trac</title>
		<link>http://mvngu.wordpress.com/2009/10/12/screencast-how-to-create-a-new-ticket-on-trac/</link>
		<comments>http://mvngu.wordpress.com/2009/10/12/screencast-how-to-create-a-new-ticket-on-trac/#comments</comments>
		<pubDate>Mon, 12 Oct 2009 02:45:54 +0000</pubDate>
		<dc:creator>mvngu</dc:creator>
				<category><![CDATA[Sage]]></category>
		<category><![CDATA[screencast]]></category>
		<category><![CDATA[education]]></category>
		<category><![CDATA[trac]]></category>
		<category><![CDATA[tutorial]]></category>

		<guid isPermaLink="false">http://mvngu.wordpress.com/?p=944</guid>
		<description><![CDATA[I have created a screencast showing a general procedure for creating a new ticket on the Sage trac server. The video tutorial has been uploaded to my development directory on the machine sage.math. The video should make it easier for people to learn how use trac, rather than learning just from reading a textual tutorial.
Posted [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=mvngu.wordpress.com&blog=4385998&post=944&subd=mvngu&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://mvngu.wordpress.com/2009/10/12/screencast-how-to-create-a-new-ticket-on-trac/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
<enclosure url="http://sage.math.washington.edu/home/mvngu/doc/screencasts/trac-create-new-ticket.ogv" length="4834463" type="video/ogg" />
	
		<media:content url="" medium="image">
			<media:title type="html">mvngu</media:title>
		</media:content>
	</item>
		<item>
		<title>Debugging and Python Programming Tools</title>
		<link>http://mvngu.wordpress.com/2009/10/09/debugging-and-python-programming-tools/</link>
		<comments>http://mvngu.wordpress.com/2009/10/09/debugging-and-python-programming-tools/#comments</comments>
		<pubDate>Fri, 09 Oct 2009 19:36:16 +0000</pubDate>
		<dc:creator>mvngu</dc:creator>
				<category><![CDATA[Python]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[debugging]]></category>
		<category><![CDATA[Emacs]]></category>
		<category><![CDATA[Flymake]]></category>
		<category><![CDATA[pep8]]></category>

		<guid isPermaLink="false">http://mvngu.wordpress.com/?p=940</guid>
		<description><![CDATA[
30 years of C by Landon Dyer &#8212; Some rules on good programming practices.
Digging Yourself Out of A Debugging Hole by Martin Aspeli &#8212; General debugging tips and using programming/debugging tools.
Flymake Mode for Emacs / Python &#8212; Flymake, an on-the-fly Python syntax checker for Emacs.
pep8 &#8211; Python style guide checker &#8212; Checking Python code against [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=mvngu.wordpress.com&blog=4385998&post=940&subd=mvngu&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://mvngu.wordpress.com/2009/10/09/debugging-and-python-programming-tools/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">mvngu</media:title>
		</media:content>
	</item>
		<item>
		<title>How To Use Sage As A Python Library</title>
		<link>http://mvngu.wordpress.com/2009/10/08/how-to-use-sage-as-a-python-library/</link>
		<comments>http://mvngu.wordpress.com/2009/10/08/how-to-use-sage-as-a-python-library/#comments</comments>
		<pubDate>Thu, 08 Oct 2009 19:59:03 +0000</pubDate>
		<dc:creator>mvngu</dc:creator>
				<category><![CDATA[Python]]></category>
		<category><![CDATA[Sage]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[computer algebra system]]></category>
		<category><![CDATA[open source software]]></category>
		<category><![CDATA[symbolic computation]]></category>

		<guid isPermaLink="false">http://mvngu.wordpress.com/?p=934</guid>
		<description><![CDATA[Yes you can import Sage as a library in a Python script. One caveat is that you need to run that Python script using the version of Python that is bundled with Sage; currently Python 2.6.x. To import Sage, put the following in your Python script:

from sage.all import *

Then when you want to run your [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=mvngu.wordpress.com&blog=4385998&post=934&subd=mvngu&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://mvngu.wordpress.com/2009/10/08/how-to-use-sage-as-a-python-library/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">mvngu</media:title>
		</media:content>
	</item>
		<item>
		<title>Software Freedom Day 2009</title>
		<link>http://mvngu.wordpress.com/2009/09/20/software-freedom-day-2009/</link>
		<comments>http://mvngu.wordpress.com/2009/09/20/software-freedom-day-2009/#comments</comments>
		<pubDate>Sun, 20 Sep 2009 00:38:01 +0000</pubDate>
		<dc:creator>mvngu</dc:creator>
				<category><![CDATA[Sage]]></category>
		<category><![CDATA[social gathering]]></category>
		<category><![CDATA[open source software]]></category>
		<category><![CDATA[Software Freedom Day]]></category>

		<guid isPermaLink="false">http://mvngu.wordpress.com/?p=917</guid>
		<description><![CDATA[The 2009 Software Freedom Day (SFD) took place on Saturday 19th September. The Linux Users of Victoria group organized the celebration at Chadstone Shopping Centre, Melbourne, Australia. I have uploaded some photos taken during the day to picasa. Brianna Laugher has uploaded more photos. Here&#8217;s a news item at iTWire about the SFD celebration in [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=mvngu.wordpress.com&blog=4385998&post=917&subd=mvngu&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://mvngu.wordpress.com/2009/09/20/software-freedom-day-2009/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">mvngu</media:title>
		</media:content>

		<media:content url="http://mvngu.files.wordpress.com/2009/09/talks-labs.png?w=300" medium="image">
			<media:title type="html">talks-labs</media:title>
		</media:content>
	</item>
		<item>
		<title>Beginning Programming with Python</title>
		<link>http://mvngu.wordpress.com/2009/09/20/beginning-programming-with-python/</link>
		<comments>http://mvngu.wordpress.com/2009/09/20/beginning-programming-with-python/#comments</comments>
		<pubDate>Sun, 20 Sep 2009 00:22:01 +0000</pubDate>
		<dc:creator>mvngu</dc:creator>
				<category><![CDATA[Python]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[social gathering]]></category>
		<category><![CDATA[education]]></category>
		<category><![CDATA[Software Freedom Day]]></category>

		<guid isPermaLink="false">http://mvngu.wordpress.com/?p=896</guid>
		<description><![CDATA[These are notes of a talk I delivered during Software Freedom Day 2009 at Chadstone Shopping Centre, Melbourne, Australia. Slides are also available. This talk requires no previous experiences with programming. After covering some basic principles of programming, these principles are then demonstrated using the Python programming language.
What&#8217;s a program?
When you start programming, you are [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=mvngu.wordpress.com&blog=4385998&post=896&subd=mvngu&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://mvngu.wordpress.com/2009/09/20/beginning-programming-with-python/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">mvngu</media:title>
		</media:content>
	</item>
		<item>
		<title>Parallel Testing the Sage Library</title>
		<link>http://mvngu.wordpress.com/2009/09/05/parallel-testing-the-sage-library/</link>
		<comments>http://mvngu.wordpress.com/2009/09/05/parallel-testing-the-sage-library/#comments</comments>
		<pubDate>Sat, 05 Sep 2009 05:36:17 +0000</pubDate>
		<dc:creator>mvngu</dc:creator>
				<category><![CDATA[Python]]></category>
		<category><![CDATA[Sage]]></category>
		<category><![CDATA[mathematics]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[software engineering]]></category>
		<category><![CDATA[computer algebra system]]></category>
		<category><![CDATA[open source software]]></category>
		<category><![CDATA[symbolic computation]]></category>

		<guid isPermaLink="false">http://mvngu.wordpress.com/?p=886</guid>
		<description><![CDATA[After compiling a source version of Sage, you can choose to run the test suite on the whole Sage library, on all modules under a given directory, or on a specified module only. For the purposes of this post, I have compiled Sage 4.1.1 from source and the top level Sage directory is

[mvngu@mod sage-4.1.1]$ pwd
/scratch/mvngu/build/sage-4.1.1

Testing [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=mvngu.wordpress.com&blog=4385998&post=886&subd=mvngu&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://mvngu.wordpress.com/2009/09/05/parallel-testing-the-sage-library/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">mvngu</media:title>
		</media:content>
	</item>
		<item>
		<title>Compile Sage 4.1 in 64-bit Mode on OS X 10.5.8</title>
		<link>http://mvngu.wordpress.com/2009/09/02/compile-sage-4-1-in-64-bit-mode-on-os-x-10-5-8/</link>
		<comments>http://mvngu.wordpress.com/2009/09/02/compile-sage-4-1-in-64-bit-mode-on-os-x-10-5-8/#comments</comments>
		<pubDate>Wed, 02 Sep 2009 07:28:16 +0000</pubDate>
		<dc:creator>mvngu</dc:creator>
				<category><![CDATA[Python]]></category>
		<category><![CDATA[Sage]]></category>
		<category><![CDATA[mathematics]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[software engineering]]></category>
		<category><![CDATA[computer algebra system]]></category>
		<category><![CDATA[open source software]]></category>
		<category><![CDATA[OS X]]></category>
		<category><![CDATA[symbolic computation]]></category>

		<guid isPermaLink="false">http://mvngu.wordpress.com/?p=872</guid>
		<description><![CDATA[Compiling Sage 4.1 on Mac OS X 10.5.8 is fairly easy, i.e. if you want to build Sage in 32-bit mode. You download a source version of Sage, uncompress the tarball, navigate to the top level directory of the source version, and issue make. But if you want to build in 64-bit mode, you need [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=mvngu.wordpress.com&blog=4385998&post=872&subd=mvngu&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://mvngu.wordpress.com/2009/09/02/compile-sage-4-1-in-64-bit-mode-on-os-x-10-5-8/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">mvngu</media:title>
		</media:content>
	</item>
		<item>
		<title>Elementary Number Theory using Maxima</title>
		<link>http://mvngu.wordpress.com/2009/08/25/elementary-number-theory-using-maxima/</link>
		<comments>http://mvngu.wordpress.com/2009/08/25/elementary-number-theory-using-maxima/#comments</comments>
		<pubDate>Tue, 25 Aug 2009 18:45:58 +0000</pubDate>
		<dc:creator>mvngu</dc:creator>
				<category><![CDATA[mathematics]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[computer algebra system]]></category>
		<category><![CDATA[maxima]]></category>
		<category><![CDATA[number theory]]></category>
		<category><![CDATA[open source software]]></category>
		<category><![CDATA[symbolic computation]]></category>

		<guid isPermaLink="false">http://mvngu.wordpress.com/?p=864</guid>
		<description><![CDATA[Prime numbers
You might remember that for any integer  greater than 1,  is a prime number if its factors are 1 and itself. The integers 2, 3, 5, and 7 are primes, but 9 is not prime because . The command primep() is useful for testing whether or not an integer is prime:

(%i1) primep(2);
(%o1) [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=mvngu.wordpress.com&blog=4385998&post=864&subd=mvngu&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://mvngu.wordpress.com/2009/08/25/elementary-number-theory-using-maxima/feed/</wfw:commentRss>
		<slash:comments>6</slash:comments>
	
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