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	<title>CodEagle</title>
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	<description>Soaring High, but will get down to catch the details</description>
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		<title>CQRS &amp;&amp; Validation &amp;&amp; Business Rules</title>
		<link>http://www.codeagle.com/blog/2010/03/04/nederlands-cqrs-validatie-business-rules/</link>
		<comments>http://www.codeagle.com/blog/2010/03/04/nederlands-cqrs-validatie-business-rules/#comments</comments>
		<pubDate>Thu, 04 Mar 2010 19:56:08 +0000</pubDate>
		<dc:creator>Rick</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[architecture]]></category>
		<category><![CDATA[DDD]]></category>

		<guid isPermaLink="false">http://www.codeagle.com/blog/?p=264</guid>
		<description><![CDATA[Validation and business rules within a CQRS architecture [1][2] continue to raise issues for those who first hear of it. Three specific questions are often asked: how does the validation of commands work, how can one enforce business rules on large collections (state) and how does the enforcement of business rules on multiple aggregates work? Hopefully I [...]]]></description>
		<wfw:commentRss>http://www.codeagle.com/blog/2010/03/04/nederlands-cqrs-validatie-business-rules/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>TDD &amp; DbC @ DotRT</title>
		<link>http://www.codeagle.com/blog/2009/05/09/tdd-dbc-dotrttdd-dbc-dotrt/</link>
		<comments>http://www.codeagle.com/blog/2009/05/09/tdd-dbc-dotrttdd-dbc-dotrt/#comments</comments>
		<pubDate>Sat, 09 May 2009 20:06:20 +0000</pubDate>
		<dc:creator>Rick</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[API]]></category>
		<category><![CDATA[DbC]]></category>
		<category><![CDATA[Design]]></category>
		<category><![CDATA[TDD]]></category>
		<category><![CDATA[unit tests]]></category>

		<guid isPermaLink="false">http://www.codeagle.com/blog/?p=245</guid>
		<description><![CDATA[Last wednesday there was another Devnology event: the developers of the round table met at.. a rectangular one. Despite the out-of-place table, it was a very good meeting in any way that matters. I couldn&#8217;t shake of the feeling that the program didn&#8217;t fully work out as planned, but everybody was completely cool with it [...]]]></description>
		<wfw:commentRss>http://www.codeagle.com/blog/2009/05/09/tdd-dbc-dotrttdd-dbc-dotrt/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>Python and the Google AppEngine at the CodeFest</title>
		<link>http://www.codeagle.com/blog/2009/04/25/python-and-the-google-appengine-at-the-codefestpython-en-de-google-appengine-op-het-codefest/</link>
		<comments>http://www.codeagle.com/blog/2009/04/25/python-and-the-google-appengine-at-the-codefestpython-en-de-google-appengine-op-het-codefest/#comments</comments>
		<pubDate>Sat, 25 Apr 2009 18:49:02 +0000</pubDate>
		<dc:creator>Rick</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[appengine]]></category>
		<category><![CDATA[cloud software]]></category>
		<category><![CDATA[events]]></category>
		<category><![CDATA[learning]]></category>
		<category><![CDATA[python]]></category>
		<category><![CDATA[small]]></category>

		<guid isPermaLink="false">http://www.codeagle.com/blog/?p=234</guid>
		<description><![CDATA[On the first of april the first Devnology CodeFest took place. An interesting group of 16 enthousiastic developers gathered at the Sogyo farm to make an implementation of the Game of Life, the famous cellulair automaton, devised by Conway. 
My goal for that night was to make an implementation of the Game of Life in [...]]]></description>
		<wfw:commentRss>http://www.codeagle.com/blog/2009/04/25/python-and-the-google-appengine-at-the-codefestpython-en-de-google-appengine-op-het-codefest/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Seminar Fixed price + Agile + DDD</title>
		<link>http://www.codeagle.com/blog/2009/03/12/seminar-fixed-price-agile-dddseminar-fixed-price-agile-ddd/</link>
		<comments>http://www.codeagle.com/blog/2009/03/12/seminar-fixed-price-agile-dddseminar-fixed-price-agile-ddd/#comments</comments>
		<pubDate>Thu, 12 Mar 2009 21:19:53 +0000</pubDate>
		<dc:creator>Rick</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[agile]]></category>
		<category><![CDATA[architecture]]></category>
		<category><![CDATA[DDD]]></category>
		<category><![CDATA[fixed-price]]></category>
		<category><![CDATA[management]]></category>

		<guid isPermaLink="false">http://www.codeagle.com/blog/?p=223</guid>
		<description><![CDATA[During the evening of March the 17th, Sogyo will organize another technical seminar. In this one, Sogyo employees Rick van der Arend (that&#8217;s me!) and André Boonzaaijer will explain how we can handle the wishes of many of our customers to get an agile software project, in a domain driven way, but with a planned [...]]]></description>
		<wfw:commentRss>http://www.codeagle.com/blog/2009/03/12/seminar-fixed-price-agile-dddseminar-fixed-price-agile-ddd/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>David vs. Goliath</title>
		<link>http://www.codeagle.com/blog/2009/03/08/david-vs-goliathdavid-vs-goliath/</link>
		<comments>http://www.codeagle.com/blog/2009/03/08/david-vs-goliathdavid-vs-goliath/#comments</comments>
		<pubDate>Sun, 08 Mar 2009 20:58:37 +0000</pubDate>
		<dc:creator>Rick</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[Companies]]></category>
		<category><![CDATA[improvements]]></category>
		<category><![CDATA[innovation]]></category>
		<category><![CDATA[large]]></category>
		<category><![CDATA[quality]]></category>
		<category><![CDATA[small]]></category>

		<guid isPermaLink="false">http://www.codeagle.com/blog/?p=215</guid>
		<description><![CDATA[In this post I will give my answer to the question where innovation takes place: in big or in smaller (ict-) companies? An all-or-nothing answer doesn&#8217;t seem feasible to me, because we all know examples of big as well as smaller companies that are innovative. But I still think it might be interesting enough to [...]]]></description>
		<wfw:commentRss>http://www.codeagle.com/blog/2009/03/08/david-vs-goliathdavid-vs-goliath/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Domain exploration &#8211; really</title>
		<link>http://www.codeagle.com/blog/2009/02/20/domain-exploration-reallydomeinverkenning-echt/</link>
		<comments>http://www.codeagle.com/blog/2009/02/20/domain-exploration-reallydomeinverkenning-echt/#comments</comments>
		<pubDate>Fri, 20 Feb 2009 21:46:52 +0000</pubDate>
		<dc:creator>Rick</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[DDD]]></category>
		<category><![CDATA[exploration]]></category>
		<category><![CDATA[modeling]]></category>

		<guid isPermaLink="false">http://www.codeagle.com/blog/?p=207</guid>
		<description><![CDATA[The last few week have been quite exhilirating! Two weeks of really exploring a domain, getting to know a new client&#8217;s business and language. I have always liked going through such a phase and one does not always get the chance to do something like that for two whole weeks at the client&#8217;s site. 
Preparation [...]]]></description>
		<wfw:commentRss>http://www.codeagle.com/blog/2009/02/20/domain-exploration-reallydomeinverkenning-echt/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Xrump</title>
		<link>http://www.codeagle.com/blog/2008/12/30/xrumpxrump/</link>
		<comments>http://www.codeagle.com/blog/2008/12/30/xrumpxrump/#comments</comments>
		<pubDate>Tue, 30 Dec 2008 17:42:08 +0000</pubDate>
		<dc:creator>Rick</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[agile]]></category>
		<category><![CDATA[development]]></category>

		<guid isPermaLink="false">http://www.codeagle.com/blog/?p=185</guid>
		<description><![CDATA[ After a few years of experience with agile software projects, I have read the Agile manifesto again and afterwards read more specifically about the details of XP and Scrum, the most well-known agile methodologies. It occurred to me that from both &#8217;sides&#8217; a way of mixing the two is actively being sought. It seems like a [...]]]></description>
		<wfw:commentRss>http://www.codeagle.com/blog/2008/12/30/xrumpxrump/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>The learning curve</title>
		<link>http://www.codeagle.com/blog/2008/12/28/the-learning-curvede-leercurve/</link>
		<comments>http://www.codeagle.com/blog/2008/12/28/the-learning-curvede-leercurve/#comments</comments>
		<pubDate>Sun, 28 Dec 2008 11:53:21 +0000</pubDate>
		<dc:creator>Rick</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[.net]]></category>
		<category><![CDATA[learning]]></category>
		<category><![CDATA[posting]]></category>

		<guid isPermaLink="false">http://www.codeagle.com/blog/?p=170</guid>
		<description><![CDATA[The shame! Two months of inactivity on this blog&#8230; the reason? A steep learning curve.
I have been diving deep into the .NET framework, at the sub-CLR level. What all the versions mean, how they interact. How assemblies and modules look like at the byte level. What actually happens when methods are called and types are loaded, [...]]]></description>
		<wfw:commentRss>http://www.codeagle.com/blog/2008/12/28/the-learning-curvede-leercurve/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>PDC: Azure and Oslo</title>
		<link>http://www.codeagle.com/blog/2008/10/30/pdc-azure-and-oslo/</link>
		<comments>http://www.codeagle.com/blog/2008/10/30/pdc-azure-and-oslo/#comments</comments>
		<pubDate>Thu, 30 Oct 2008 21:55:29 +0000</pubDate>
		<dc:creator>Rick</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[cloud computing]]></category>
		<category><![CDATA[dsl]]></category>
		<category><![CDATA[events]]></category>
		<category><![CDATA[microsoft]]></category>

		<guid isPermaLink="false">http://www.codeagle.com/blog/?p=143</guid>
		<description><![CDATA[Lots of new stuff at the PDC that is going on right now.. but Windows Azure (&#8216;Windows in the clouds&#8217;) &#38; Oslo generate the most buzz in the developers community. Windows Azure is of course Microsoft&#8217;s response to the c2 and s3 engines of Amazon, Google&#8217;s AppEngine and a few others. Interesting, but it will take [...]]]></description>
		<wfw:commentRss>http://www.codeagle.com/blog/2008/10/30/pdc-azure-and-oslo/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Software Developers Conference 2008</title>
		<link>http://www.codeagle.com/blog/2008/10/16/software-developers-conference-2008/</link>
		<comments>http://www.codeagle.com/blog/2008/10/16/software-developers-conference-2008/#comments</comments>
		<pubDate>Thu, 16 Oct 2008 20:03:51 +0000</pubDate>
		<dc:creator>Rick</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[conference]]></category>
		<category><![CDATA[professionals]]></category>
		<category><![CDATA[sdc]]></category>

		<guid isPermaLink="false">http://www.codeagle.com/blog/?p=127</guid>
		<description><![CDATA[Last week, on the second day of the SDC 2008, I visited these sessions:

Deep Dive into Entity Framework Object Services &#8211; Julie Lerman
Developing Scalable Apps with Google AppEngine &#8211; Nik Kalyani
WPF Data Binding &#8211; Brian Noyes
Building a Service Oriented Enterprise System &#8211; Dennis Doomen

I will tell you in short what impression each session made on [...]]]></description>
		<wfw:commentRss>http://www.codeagle.com/blog/2008/10/16/software-developers-conference-2008/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
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