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      <title>Kristian Kristensen - Iron* - An Introduction to Getting Dynamic on .NET</title>
      <description><![CDATA[ <p>In recent years dynamically typed languages have received more and more attention on the .NET platform. Initially, an implementation of Python showed up. Later, the Dynamic Language Runtime (DLR) appeared which made it much easier to implement dynamically typed languages on .NET. This session explores how dynamically typed languages fit in the ecosystem of .NET. We’ll see why dynamic languages are interesting and contrast them to their static brethren (C#, Java). Then we will touch on how IronPython and IronRuby are implemented on .NET via the Dynamic Language Runtime (DLR). Finally, we’ll look at some code examples of how you can utilize these languages on .NET today.</p><p>Biography: Kristian Kristensen is an independent software development consultant. Through his company WhizIT he takes on the role of teacher, coach, facilitator and anything in between to help software shops improve their processes and skills. He is particularly interested in languages and how they shape our thoughts and problem solving abilities.<br>Kristian worked as a consultant for Microsoft before embarking on the journey of freelance consulting.<br>He holds a Master in Software Engineering from Aalborg University; thesis topic “Type Inference of Ruby”. Links: </p><p>Twitter: @kkristensen <br>Blog: <a href="http://kristiankristensen.dk">http://kristiankristensen.dk</a></p> <img src="http://m.webtrends.com/dcs1wotjh10000w0irc493s0e_6x1g/njs.gif?dcssip=channel9.msdn.com&dcsuri=http://channel9.msdn.com/Tags/dlr/RSS&WT.dl=0&WT.entryid=Entry:RSSView:b13b819a4c65430383a59e0e006af834">]]></description>
      <comments>http://channel9.msdn.com/posts/Kristian-Kristensen-Iron-An-Introduction-to-Getting-Dynamic-on-NET</comments>
      <itunes:summary> In recent years dynamically typed languages have received more and more attention on the .NET platform. Initially, an implementation of Python showed up. Later, the Dynamic Language Runtime (DLR) appeared which made it much easier to implement dynamically typed languages on .NET. This session explores how dynamically typed languages fit in the ecosystem of .NET. We’ll see why dynamic languages are interesting and contrast them to their static brethren (C#, Java). Then we will touch on how IronPython and IronRuby are implemented on .NET via the Dynamic Language Runtime (DLR). Finally, we’ll look at some code examples of how you can utilize these languages on .NET today. Biography: Kristian Kristensen is an independent software development consultant. Through his company WhizIT he takes on the role of teacher, coach, facilitator and anything in between to help software shops improve their processes and skills. He is particularly interested in languages and how they shape our thoughts and problem solving abilities.Kristian worked as a consultant for Microsoft before embarking on the journey of freelance consulting.He holds a Master in Software Engineering from Aalborg University; thesis topic “Type Inference of Ruby”. Links:  Twitter: @kkristensen Blog: http://kristiankristensen.dk </itunes:summary>
      <itunes:duration>3065</itunes:duration>
      <link>http://channel9.msdn.com/posts/Kristian-Kristensen-Iron-An-Introduction-to-Getting-Dynamic-on-NET</link>
      <pubDate>Thu, 14 Oct 2010 11:00:32 GMT</pubDate>
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      <category>DLR</category>
      <category>DPEDK</category>
      <category>Dynamic</category>
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  <item>
      <title>Whirlwind 10: What&#39;s new in C# 4 - Dynamic Lookup</title>
      <description><![CDATA[
<p>ISV Architect Evangelist Bruce Kyle of Microsoft and <a shape="rect" href="http://visualstuart.net/" title="VisualStuart.net" shape="rect">
MVP Stuart Celarier </a>explore the new languages features in C#. It's a <b>Whirlwind Tour</b> of the important language features&nbsp;of C# 4. Stuart describes each major feature and why it is useful. But doesn't get into best practices nor suggested usages. Just
 the facts about each feature.</p>
<p>Whirlwinds are bite-sized webcasts, generally&nbsp;shorter than 15 minutes. You can start anywhere in the series to learn about the parts you're most interested in.<br /><br />This session on dynamic lookup introduces a&nbsp;new pseudo-type <code>dynamic</code> is introduced into the C# type system. It's used to call&nbsp;dynamic languages,&nbsp;COM object, or XML&nbsp;using types not known at compile time (aka&nbsp;<em>duck typing</em>). Stuart introduces
 the concepts of dynamic lookup and how you use it in your C# code.<br /><br />For more information about how to&nbsp;create a dyanamic lookup language for XML, see&nbsp;<a shape="rect" href="/posts/RobBagby/deCast-Dynamic-Xml-with-C-40/" id="ctl00_MainPlaceHolder_Starter_TitleLink" shape="rect">deCast - Dynamic Xml with C# 4.0</a>.<br /><br />Also see dynamic languages <a shape="rect" href="http://ironpython.net/" shape="rect">
IronPython </a>and <a shape="rect" href="http://ironruby.net/" shape="rect">IronRuby</a>.</p>
<p>Discover the entire series on C#. </p>
<p><b>What's new in C# 2</b></p>
<ul>
<li><a shape="rect" href="http://channel9.msdn.com/Showpost.aspx?postid=390556" shape="rect">Whirlwind 1 - Generics</a>
</li><li><a shape="rect" href="http://channel9.msdn.com/ShowPost.aspx?PostID=391143" shape="rect">Whirlwind 2 - Iterators</a>
</li><li><a shape="rect" href="http://channel9.msdn.com/ShowPost.aspx?PostID=391977" shape="rect">Whirlwind 3 - Partial types, Anonymous methods</a>
</li><li><a shape="rect" href="http://channel9.msdn.com/ShowPost.aspx?PostID=392487" shape="rect">Whirlwind 4 - Accessors, Static Classes, Nullable Types</a>
</li></ul>
<p><b>What's new in C# 3</b></p>
<ul>
<li><a shape="rect" href="http://channel9.msdn.com/ShowPost.aspx?PostID=393414" shape="rect">Whirlwind 5 - Automatically Implemented Properties, Type Inference, Initializer</a>
</li><li><a shape="rect" href="http://channel9.msdn.com/posts/bruceky/Whirlwind-6-Whats-New-in-C-3-Anonymous-types-Extension-methods/" shape="rect">Whirlwind 6 -&nbsp;Anonymous types, Extension method</a>&nbsp;
</li><li><a shape="rect" href="http://channel9.msdn.com/ShowPost.aspx?PostID=395236" shape="rect">Whirlwind 7 - Lambda Expressions</a>
</li><li><a shape="rect" href="http://channel9.msdn.com/Showpost.aspx?postid=396483" shape="rect">Whirlwind 8 - Linq</a>
</li></ul>
<p><b>What's new in C# 4</b></p>
<ul>
<li><a shape="rect" href="http://channel9.msdn.com/posts/bruceky/Whirlwind-9-Introducing-C-4/" shape="rect">Whirlwind 9 - Introducing C# 4</a>&nbsp;
</li><li><a shape="rect" href="http://channel9.msdn.com/posts/bruceky/Whirlwind-10-Whats-new-in-C-4-Dynamic-Lookup/" shape="rect">Whirlwind 10 - Dynamic Lookup</a>&nbsp;
</li><li><a shape="rect" href="http://channel9.msdn.com/posts/bruceky/Whirlwind-11-Whats-new-in-C-4-Named--Optional-Parameters/" shape="rect">Whirlwind 11 - Named &amp; Optional Parameters</a>&nbsp;
</li><li><a shape="rect" href="http://channel9.msdn.com/posts/bruceky/Whirlwind-12-Whats-new-in-C-4-More-COM-Love/" shape="rect">Whirlwind 12 - More COM Love</a>&nbsp;
</li><li><a shape="rect" href="http://channel9.msdn.com/posts/bruceky/Whirlwind-13-Whats-new-in-C-4-Covariance--Contravariance/" shape="rect">Whirlwind 13 - Covariance &amp; Contravariance</a>&nbsp;
</li><li><a shape="rect" href="http://channel9.msdn.com/posts/bruceky/Whirlwind-14-Whats-new-in-C-4-Events/" shape="rect">Whirlwind 14 - Events
</a></li></ul>
<p>For the latest news for developers and ISVs, see <a shape="rect" href="http://blogs.msdn.com/usisvde" shape="rect">
US ISV Developer Community blog</a>.<br /><br /><a shape="rect" href="http://visualstuart.net/download/WhirlwindCSharp4.zip" shape="rect">Download code samples from VisualStuart.net</a>. Also check out&nbsp;Stuart's blog posts C# 4 on
<a shape="rect" href="http://visualstuart.net/" shape="rect">Visual Stuart.NET</a>. To run the examples, Stuart used IronPython 2.6.1 RC for .NET 4 RC. But you should be able to use later versions of IronPython.</p>
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      <comments>http://channel9.msdn.com/Blogs/bruceky/Whirlwind-10-Whats-new-in-C-4-Dynamic-Lookup</comments>
      <itunes:summary>
ISV Architect Evangelist Bruce Kyle of Microsoft and 
MVP Stuart Celarier explore the new languages features in C#. It&#39;s a Whirlwind Tour of the important language features&amp;nbsp;of C# 4. Stuart describes each major feature and why it is useful. But doesn&#39;t get into best practices nor suggested usages. Just
 the facts about each feature. 
Whirlwinds are bite-sized webcasts, generally&amp;nbsp;shorter than 15 minutes. You can start anywhere in the series to learn about the parts you&#39;re most interested in.This session on dynamic lookup introduces a&amp;nbsp;new pseudo-type dynamic is introduced into the C# type system. It&#39;s used to call&amp;nbsp;dynamic languages,&amp;nbsp;COM object, or XML&amp;nbsp;using types not known at compile time (aka&amp;nbsp;duck typing). Stuart introduces
 the concepts of dynamic lookup and how you use it in your C# code.For more information about how to&amp;nbsp;create a dyanamic lookup language for XML, see&amp;nbsp;deCast - Dynamic Xml with C# 4.0.Also see dynamic languages 
IronPython and IronRuby. 
Discover the entire series on C#.  
What&#39;s new in C# 2 

Whirlwind 1 - Generics
Whirlwind 2 - Iterators
Whirlwind 3 - Partial types, Anonymous methods
Whirlwind 4 - Accessors, Static Classes, Nullable Types

What&#39;s new in C# 3 

Whirlwind 5 - Automatically Implemented Properties, Type Inference, Initializer
Whirlwind 6 -&amp;nbsp;Anonymous types, Extension method&amp;nbsp;
Whirlwind 7 - Lambda Expressions
Whirlwind 8 - Linq

What&#39;s new in C# 4 

Whirlwind 9 - Introducing C# 4&amp;nbsp;
Whirlwind 10 - Dynamic Lookup&amp;nbsp;
Whirlwind 11 - Named &amp;amp; Optional Parameters&amp;nbsp;
Whirlwind 12 - More COM Love&amp;nbsp;
Whirlwind 13 - Covariance &amp;amp; Contravariance&amp;nbsp;
Whirlwind 14 - Events

For the latest news for developers and ISVs, see 
US ISV Developer Community blog.Download code samples from VisualStuart.net. Also check out&amp;nbsp;Stuart&#39;s blog posts C# 4 on
Visual Stuart.NET. To run the examples, Stuart used IronPython 2.6.1 RC for .NET 4 RC. But you shoul</itunes:summary>
      <itunes:duration>1038</itunes:duration>
      <link>http://channel9.msdn.com/Blogs/bruceky/Whirlwind-10-Whats-new-in-C-4-Dynamic-Lookup</link>
      <pubDate>Sat, 10 Apr 2010 19:39:00 GMT</pubDate>
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      <dc:creator>Bruce D Kyle</dc:creator>
      <itunes:author>Bruce D Kyle</itunes:author>
      <slash:comments>0</slash:comments>
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      <category>.NET 4.0</category>
      <category>.NET Framework 4.0</category>
      <category>CLR 4</category>
      <category>C# 4.0</category>
      <category>DLR</category>
      <category>Dynamic Languages</category>
      <category>IronPython</category>
      <category>IronRuby</category>
      <category>Python</category>
      <category>Ruby</category>
      <category>Visual Studio</category>
      <category>Visual Studio 2010</category>
      <category>whirlwind</category>
    </item>
  <item>
      <title>Jimmy Schementi: Inside IronRuby</title>
      <description><![CDATA[
<p>Jimmy Schementi is a Program Manager (and developer) on the IronRuby team. IronRuby is an
<a shape="rect" href="http://www.opensource.org/licenses/ms-pl.html" title="http://www.opensource.org/licenses/ms-pl.html" class="external" target="_blank" rel="external nofollow" shape="rect">
Open Source</a> implementation of the <a shape="rect" href="http://www.ruby-lang.org" title="http://www.ruby-lang.org/" class="external" target="_blank" rel="external nofollow" shape="rect">
Ruby programming language</a> for <a shape="rect" href="http://www.microsoft.com/NET/" title="http://www.microsoft.com/NET/" class="external" target="_blank" rel="external nofollow" shape="rect">
.NET</a>, heavily relying on Microsoft's <a shape="rect" href="http://codeplex.com/dlr" title="http://codeplex.com/dlr" class="external" target="_blank" rel="external nofollow" shape="rect">
Dynamic Language Runtime</a>. IronRuby <em>is</em> Ruby, but&nbsp;implemented on top of the DLR (which of course provides the capability for dynamic languages to interact with the BCL and CLR).
<br /><br /><a shape="rect" href="http://channel9.msdn.com/shows/Going&#43;Deep/John-Lam-and-Martin-Maly-Deep-DLR/" target="_blank" shape="rect">You've learned about the details of the DLR here on 9</a>, which provides dynamic runtime support for .NET. IronRuby targets compatibility
 with the 1.8.x branch of Ruby modulo continuations. IronRuby is an implementation of Ruby version 1.8.6.<br /><br />Here, Jimmy explains the thinking behind the IronRuby project. Why are we doing this, anyway? When/Why would Ruby developers use IronRuby? What's the current status of the project? What's the future hold for IronRuby? Tune in and learn about the past, present
 and future of IronRuby.<br /><br />Useful Links:<br /><br />IronRuby Homepage: <a shape="rect" href="http://ironruby.net/" shape="rect">http://ironruby.net/</a></p>
<p>CodePlex project (downloads, issue tracking): <a shape="rect" href="http://ironruby.codeplex.com/" shape="rect">
http://ironruby.codeplex.com/</a></p>
<p>Developer info (source code, developer docs): <a shape="rect" href="http://github.com/ironruby" shape="rect">
http://github.com/ironruby</a></p>
 <img src="http://m.webtrends.com/dcs1wotjh10000w0irc493s0e_6x1g/njs.gif?dcssip=channel9.msdn.com&dcsuri=http://channel9.msdn.com/Tags/dlr/RSS&WT.dl=0&WT.entryid=Entry:RSSView:5b534d952a1e499f957f9dea00ca9b2c">]]></description>
      <comments>http://channel9.msdn.com/Blogs/Charles/Jimmy-Schementi-Inside-IronRuby</comments>
      <itunes:summary>
Jimmy Schementi is a Program Manager (and developer) on the IronRuby team. IronRuby is an

Open Source implementation of the 
Ruby programming language for 
.NET, heavily relying on Microsoft&#39;s 
Dynamic Language Runtime. IronRuby is Ruby, but&amp;nbsp;implemented on top of the DLR (which of course provides the capability for dynamic languages to interact with the BCL and CLR).
You&#39;ve learned about the details of the DLR here on 9, which provides dynamic runtime support for .NET. IronRuby targets compatibility
 with the 1.8.x branch of Ruby modulo continuations. IronRuby is an implementation of Ruby version 1.8.6.Here, Jimmy explains the thinking behind the IronRuby project. Why are we doing this, anyway? When/Why would Ruby developers use IronRuby? What&#39;s the current status of the project? What&#39;s the future hold for IronRuby? Tune in and learn about the past, present
 and future of IronRuby.Useful Links:IronRuby Homepage: http://ironruby.net/ 
CodePlex project (downloads, issue tracking): 
http://ironruby.codeplex.com/ 
Developer info (source code, developer docs): 
http://github.com/ironruby 
</itunes:summary>
      <itunes:duration>2603</itunes:duration>
      <link>http://channel9.msdn.com/Blogs/Charles/Jimmy-Schementi-Inside-IronRuby</link>
      <pubDate>Wed, 10 Jun 2009 21:31:00 GMT</pubDate>
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        <media:content url="mms://mschnlnine.wmod.llnwd.net/a1809/d1/ch9/4/8/0/2/7/4/InsideIronRuby_s_ch9.wmv" expression="full" duration="2603" fileSize="209" type="video/x-ms-wmv" medium="video"></media:content>
      </media:group>      
      <enclosure url="http://mschnlnine.vo.llnwd.net/d1/ch9/4/8/0/2/7/4/InsideIronRuby_ch9.wmv" length="369781061" type="video/x-ms-wmv"></enclosure>
      <dc:creator>Charles</dc:creator>
      <itunes:author>Charles</itunes:author>
      <slash:comments>13</slash:comments>
      <wfw:commentRss>http://channel9.msdn.com/Blogs/Charles/Jimmy-Schementi-Inside-IronRuby/RSS</wfw:commentRss>
      <category>.NET</category>
      <category>.NET Framework</category>
      <category>DLR</category>
      <category>Dynamic Languages</category>
      <category>IronRuby</category>
      <category>Programming Languages</category>
      <category>Ruby</category>
    </item>
  <item>
      <title>ARCast.TV - Kevin Hazzard on Dynamic Languages</title>
      <description><![CDATA[
<p>In this interview <a shape="rect" href="http://www.gotnet.biz/Blog" shape="rect">
Kevin Hazzard</a>, C# MVP based in Richmond, Virginia, discusses with <a shape="rect" href="http://blogs.msdn.com/zxue" shape="rect">
Zhiming Xue </a>dynamic languages like Python and Ruby, the Dynamic Language Runtime (DLR) from Microsoft and the next generation of C# that’s becoming a dynamic language.&nbsp; He explains that the DLR as “the language of languages” defines the boundaries between
 languages and what’s required for those languages to interoperate with each other and that the DLR as a centerpiece of the .NET Framework 4.0 provides a dynamic dispatch mechanism that elegantly addresses the interoperability problems that we've been working
 hard to solve since the days of RPC and COM. </p>
 <img src="http://m.webtrends.com/dcs1wotjh10000w0irc493s0e_6x1g/njs.gif?dcssip=channel9.msdn.com&dcsuri=http://channel9.msdn.com/Tags/dlr/RSS&WT.dl=0&WT.entryid=Entry:RSSView:221aa2b6c7374760a18a9dea00c0e5df">]]></description>
      <comments>http://channel9.msdn.com/Shows/ARCast.TV/ARCastTV-Kevin-Hazzard-on-Dynamic-Languages</comments>
      <itunes:summary>
In this interview 
Kevin Hazzard, C# MVP based in Richmond, Virginia, discusses with 
Zhiming Xue dynamic languages like Python and Ruby, the Dynamic Language Runtime (DLR) from Microsoft and the next generation of C# that’s becoming a dynamic language.&amp;nbsp; He explains that the DLR as “the language of languages” defines the boundaries between
 languages and what’s required for those languages to interoperate with each other and that the DLR as a centerpiece of the .NET Framework 4.0 provides a dynamic dispatch mechanism that elegantly addresses the interoperability problems that we&#39;ve been working
 hard to solve since the days of RPC and COM.  
</itunes:summary>
      <itunes:duration>1245</itunes:duration>
      <link>http://channel9.msdn.com/Shows/ARCast.TV/ARCastTV-Kevin-Hazzard-on-Dynamic-Languages</link>
      <pubDate>Wed, 13 May 2009 16:58:00 GMT</pubDate>
      <guid isPermaLink="false">http://channel9.msdn.com/Shows/ARCast.TV/ARCastTV-Kevin-Hazzard-on-Dynamic-Languages</guid>
      <media:thumbnail url="http://ecn.channel9.msdn.com/o9/previewImages/100/456101_100x75.jpg" height="75" width="100"></media:thumbnail>
      <media:thumbnail url="http://ecn.channel9.msdn.com/o9/previewImages/220/456101_220x165.jpg" height="165" width="220"></media:thumbnail>
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      <media:thumbnail url="http://mschnlnine.vo.llnwd.net/d1/ch9/1/0/1/6/5/4/ARCastHazzardOnDynLanguages_small_ch9.jpg" height="64" width="85"></media:thumbnail>
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        <media:content url="http://mschnlnine.vo.llnwd.net/d1/ch9/1/0/1/6/5/4/ARCastHazzardOnDynLanguages_Zune_ch9.wmv" expression="full" duration="1245" fileSize="97692891" type="video/x-ms-wmv" medium="video"></media:content>
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      <dc:creator>Bob Familiar</dc:creator>
      <itunes:author>Bob Familiar</itunes:author>
      <slash:comments>0</slash:comments>
      <wfw:commentRss>http://channel9.msdn.com/Shows/ARCast.TV/ARCastTV-Kevin-Hazzard-on-Dynamic-Languages/RSS</wfw:commentRss>
      <category>ARCast</category>
      <category>Architects</category>
      <category>Architecture</category>
      <category>DLR</category>
      <category>Dynamic Languages</category>
      <category>NET Framework 4.0</category>
      <category>Python</category>
      <category>Ruby</category>
    </item>
  <item>
      <title>geekSpeak recording - Dynamic Languages and the DLR with Mike Vincent </title>
      <description><![CDATA[In this geekSpeak, Mike Vincent explains how dynamic languages like Iron Python and Iron Ruby running on the Dynamic Language Runtime (DLR) give you new options when choosing the best tool for the job. Mike addresses the advantages you can gain from using
 dynamic languages, when and where you should consider dynamic languages, and what is important from the architect's view, the developer's view, and the business case view.
<br>
<br>
This episode of geekSpeak was recorded on September 10, 2008.<br>
<br>
Your hosts for this geekSpeak are <a href="http://blogs.msdn.com/glengordon" target="_self">
Glen Gordon </a>and <a href="http://blogs.msdn.com/peterlau" target="_self">Peter Laudati</a>.
<br>
<br>
To ask a question in advance of a live webcast, or for post-show resources, be sure to visit the
<a href="http://blogs.msdn.com/geekSpeak" target="_self">geekSpeak blog</a>. <br>
 <img src="http://m.webtrends.com/dcs1wotjh10000w0irc493s0e_6x1g/njs.gif?dcssip=channel9.msdn.com&dcsuri=http://channel9.msdn.com/Tags/dlr/RSS&WT.dl=0&WT.entryid=Entry:RSSView:2a4ed82dbf0e4102bbd69dea00c26dd2">]]></description>
      <comments>http://channel9.msdn.com/Shows/geekSpeak/geekSpeak-recording-Dynamic-Languages-and-the-DLR-with-Mike-Vincent</comments>
      <itunes:summary>In this geekSpeak, Mike Vincent explains how dynamic languages like Iron Python and Iron Ruby running on the Dynamic Language Runtime (DLR) give you new options when choosing the best tool for the job. Mike addresses the advantages you can gain from using
 dynamic languages, when and where you should consider dynamic languages, and what is important from the architect&#39;s view, the developer&#39;s view, and the business case view.


This episode of geekSpeak was recorded on September 10, 2008.

Your hosts for this geekSpeak are 
Glen Gordon and Peter Laudati.


To ask a question in advance of a live webcast, or for post-show resources, be sure to visit the
geekSpeak blog. 
</itunes:summary>
      <itunes:duration>3571</itunes:duration>
      <link>http://channel9.msdn.com/Shows/geekSpeak/geekSpeak-recording-Dynamic-Languages-and-the-DLR-with-Mike-Vincent</link>
      <pubDate>Thu, 11 Sep 2008 03:59:00 GMT</pubDate>
      <guid isPermaLink="false">http://channel9.msdn.com/Shows/geekSpeak/geekSpeak-recording-Dynamic-Languages-and-the-DLR-with-Mike-Vincent</guid>
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      <media:thumbnail url="http://ecn.channel9.msdn.com/o9/previewImages/220/442752_220x165.jpg" height="165" width="220"></media:thumbnail>
      <media:thumbnail url="http://mschnlnine.vo.llnwd.net/d1/ch9/2/5/7/2/4/4/geekSpeak20080910_large_ch9.jpg" height="240" width="320"></media:thumbnail>
      <media:thumbnail url="http://ecn.channel9.msdn.com/o9/previewImages/85/60d36f8d-e060-4299-8ebd-ac14c440fc57.jpg" height="64" width="85"></media:thumbnail>
      <media:group>
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        <media:content url="mms://mschnlnine.wmod.llnwd.net/a1809/d1/ch9/2/5/7/2/4/4/geekSpeak_20080910.wmv" expression="full" duration="3571" fileSize="204" type="video/x-ms-wmv" medium="video"></media:content>
      </media:group>      
      <dc:creator>Brian Johnson</dc:creator>
      <itunes:author>Brian Johnson</itunes:author>
      <slash:comments>0</slash:comments>
      <wfw:commentRss>http://channel9.msdn.com/Shows/geekSpeak/geekSpeak-recording-Dynamic-Languages-and-the-DLR-with-Mike-Vincent/RSS</wfw:commentRss>
      <category>DLR</category>
      <category>geekSpeak</category>
      <category>Languages</category>
      <category>Python</category>
      <category>Ruby</category>
    </item>
  <item>
      <title>This Week on Channel 9: March 28th Episode</title>
      <description><![CDATA[This Week on Channel 9 with guest host Ed Kaim, we cover<br>
<br>
-&nbsp; Microsoft Partners <a href="http://dev.live.com/blogs/devlive/archive/2008/03/25/237.aspx">
with Top Social Networks</a> (0:50 - 2:50)<br>
- ASP.NET MVC Source <a href="http://weblogs.asp.net/scottgu/archive/2008/03/21/asp-net-mvc-source-code-now-available.aspx">
available for download</a> (2:50 - &nbsp;3:50)<br>
- Silverlight version of <a href="http://www.microsoft.com/express">Visual Studio Express site</a> launches (3:50 -&nbsp;5:06)&nbsp;<br>
- Martin Maly whiteboards how a <a href="/Showpost.aspx?postid=392011">statement in IronPython
</a>is converted into IL and an Expression Tree (5:06 - 9:27)<br>
- Giles Thomas shows using the <a href="/Showpost.aspx?postid=392037">ResolverOne spreadsheet</a> to call a .NET class (9:27 - 11:20)<br>
- Scott Austin discusses how <a href="/Showpost.aspx?postid=392965   ">Xbox Live Arcade games
</a>are enable user-generated content for things like maps (11:20 - 14:05)<br>
- James Newton-King releases <a href="http://www.codeplex.com/json">JSON.NET to CodePlex
</a>a simple wrapper to serialize JavaScript classes into .NET classes (14:05 - 16:20)<br>
- Derek Bartram's Code Project <a href="http://www.codeproject.com/KB/WPF/wizarddialog.aspx ">
WPF Wizard Dialog </a>(16:20 - 17:49)<br>
- <a href="http://ui-patterns.com ">UI Patterns</a> Web site, via <a href="http://www.dotnetkicks.com">
dotnetkicks.com</a>&nbsp;(17:49 - 18:40)<br>
- Dan's Pick of the Week: Eric Hadden's Code Project <a href="http://www.codeproject.com/KB/miscctrl/imapi2.aspx ">
wrapper for burning CD/DVD Media</a> (18:40 - 20:00)<br>
- Ed's Pick of the Week: <a href="http://dev.live.com/blogs/sls/">Silverlight Streaming Ads Pilot</a> where you host videos for free and make money&nbsp;(20:00 - 22:29)<br>
<br>
 <img src="http://m.webtrends.com/dcs1wotjh10000w0irc493s0e_6x1g/njs.gif?dcssip=channel9.msdn.com&dcsuri=http://channel9.msdn.com/Tags/dlr/RSS&WT.dl=0&WT.entryid=Entry:RSSView:77c13064d6ab4ea8b2d69dea00c562ec">]]></description>
      <comments>http://channel9.msdn.com/Shows/This+Week+On+Channel+9/This-Week-on-Channel-9-March-28th-Episode</comments>
      <itunes:summary>This Week on Channel 9 with guest host Ed Kaim, we cover

-&amp;nbsp; Microsoft Partners 
with Top Social Networks (0:50 - 2:50)
- ASP.NET MVC Source 
available for download (2:50 - &amp;nbsp;3:50)
- Silverlight version of Visual Studio Express site launches (3:50 -&amp;nbsp;5:06)&amp;nbsp;
- Martin Maly whiteboards how a statement in IronPython
is converted into IL and an Expression Tree (5:06 - 9:27)
- Giles Thomas shows using the ResolverOne spreadsheet to call a .NET class (9:27 - 11:20)
- Scott Austin discusses how Xbox Live Arcade games
are enable user-generated content for things like maps (11:20 - 14:05)
- James Newton-King releases JSON.NET to CodePlex
a simple wrapper to serialize JavaScript classes into .NET classes (14:05 - 16:20)
- Derek Bartram&#39;s Code Project 
WPF Wizard Dialog (16:20 - 17:49)
- UI Patterns Web site, via 
dotnetkicks.com&amp;nbsp;(17:49 - 18:40)
- Dan&#39;s Pick of the Week: Eric Hadden&#39;s Code Project 
wrapper for burning CD/DVD Media (18:40 - 20:00)
- Ed&#39;s Pick of the Week: Silverlight Streaming Ads Pilot where you host videos for free and make money&amp;nbsp;(20:00 - 22:29)

</itunes:summary>
      <itunes:duration>1348</itunes:duration>
      <link>http://channel9.msdn.com/Shows/This+Week+On+Channel+9/This-Week-on-Channel-9-March-28th-Episode</link>
      <pubDate>Fri, 28 Mar 2008 16:58:22 GMT</pubDate>
      <guid isPermaLink="false">http://channel9.msdn.com/Shows/This+Week+On+Channel+9/This-Week-on-Channel-9-March-28th-Episode</guid>
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      <media:thumbnail url="http://ecn.channel9.msdn.com/o9/previewImages/100/249685_100x75.jpg" height="75" width="100"></media:thumbnail>
      <media:thumbnail url="http://ecn.channel9.msdn.com/o9/previewImages/220/249685_220x165.jpg" height="165" width="220"></media:thumbnail>
      <media:thumbnail url="http://ecn.channel9.msdn.com/o9/previewImages/85/ec058647-be1f-4e17-839e-a6d8d8742d6b.jpg" height="64" width="85"></media:thumbnail>
      <media:group>
        <media:content url="http://mschnlnine.vo.llnwd.net/d1/ch9/0/ThisWeekMar28_2MB_ch9.wmv" expression="full" duration="1348" fileSize="1" type="video/x-ms-wmv" medium="video"></media:content>
        <media:content url="http://mschnlnine.vo.llnwd.net/d1/ch9/0/ThisWeekMar28_ch9.mp3" expression="full" duration="1348" fileSize="1" type="audio/mp3" medium="audio"></media:content>
        <media:content url="http://mschnlnine.vo.llnwd.net/d1/ch9/0/ThisWeekMar28_ch9.wma" expression="full" duration="1348" fileSize="1" type="audio/x-ms-wma" medium="audio"></media:content>
        <media:content url="mms://mschnlnine.wmod.llnwd.net/a1809/d1/ch9/0/ThisWeekMar28_s_ch9.wmv" expression="full" duration="1348" fileSize="1" type="video/x-ms-wmv" medium="video"></media:content>
      </media:group>      
      <enclosure url="http://mschnlnine.vo.llnwd.net/d1/ch9/0/ThisWeekMar28_2MB_ch9.wmv" length="0" type="video/x-ms-wmv"></enclosure>
      <dc:creator>Dan Fernandez</dc:creator>
      <itunes:author>Dan Fernandez</itunes:author>
      <slash:comments>4</slash:comments>
      <wfw:commentRss>http://channel9.msdn.com/Shows/This+Week+On+Channel+9/This-Week-on-Channel-9-March-28th-Episode/RSS</wfw:commentRss>
      <category>DLR</category>
      <category>GDC2008</category>
      <category>Silverlight Streaming</category>
      <category>WPF</category>
      <category>Xbox</category>
    </item>
  <item>
      <title>John Lam and Martin Maly: Deep DLR</title>
      <description><![CDATA[Dynamic languages are becoming more popular than ever. Static runtimes (static type system is&nbsp;baked into the machine)&nbsp;like the CLR do not natively support languages that have no requirement for explicit types. Implementing languages of this class on the
 CLR is a rather complicated and arduous task. Some very clever folks like Program Manager,&nbsp;RubyCLR creator&nbsp;and IronRuby team member
<a href="http://www.iunknown.com/">John Lam</a> and Senior Software Developer <a href="http://blogs.msdn.com/mmaly/default.aspx">
Martin Maly</a> (creator of the <a href="http://en.wikipedia.org/wiki/Lolcode">LOLCode
</a>programming language implementation&nbsp;that runs on the DLR, but more importantly one of the devs who writes the DLR) are on the team that makes implementing dynamic languages that can run&nbsp;on top of the CLR not only possible but easier than one might expect.
 This is made possible with a new managed virtual machine called the <a href="http://en.wikipedia.org/wiki/Dynamic_Language_Runtime">
Dynamic Language Runtime</a> (<a href="http://en.wikipedia.org/wiki/Dynamic_Language_Runtime">DLR</a>). The DLR runs on top of the CLR, but you can think of the DLR as it's own managed runtime (or virtual machine). For this interview, it is assumed that you
 have working knowledge of what the CLR does.<br /><br />This interview focuses deeply on one core question: <em>How does the DLR work</em>. Of course, we talk about the history and future of the DLR, but primarily we find out about DLR nuts and bolts and architecure.<br /><br />This interview is whiteboard heavy and compelling. It was really fun to chat with John and Martin and geek out on the DLR. It is a great technology with a very bright future.<br /><br />Enjoy!<a href="http://mschnlnine.vo.llnwd.net/d1/ch9/0/DeepDLR_512kbs.wmv"><br /><br />Low res file here</a>. <img src="http://m.webtrends.com/dcs1wotjh10000w0irc493s0e_6x1g/njs.gif?dcssip=channel9.msdn.com&dcsuri=http://channel9.msdn.com/Tags/dlr/RSS&WT.dl=0&WT.entryid=Entry:RSSView:80b3beb8d5de46a3aec49dea00446685">]]></description>
      <comments>http://channel9.msdn.com/Shows/Going+Deep/John-Lam-and-Martin-Maly-Deep-DLR</comments>
      <itunes:summary>Dynamic languages are becoming more popular than ever. Static runtimes (static type system is&amp;nbsp;baked into the machine)&amp;nbsp;like the CLR do not natively support languages that have no requirement for explicit types. Implementing languages of this class on the
 CLR is a rather complicated and arduous task. Some very clever folks like Program Manager,&amp;nbsp;RubyCLR creator&amp;nbsp;and IronRuby team member
John Lam and Senior Software Developer 
Martin Maly (creator of the LOLCode
programming language implementation&amp;nbsp;that runs on the DLR, but more importantly one of the devs who writes the DLR) are on the team that makes implementing dynamic languages that can run&amp;nbsp;on top of the CLR not only possible but easier than one might expect.
 This is made possible with a new managed virtual machine called the 
Dynamic Language Runtime (DLR). The DLR runs on top of the CLR, but you can think of the DLR as it&#39;s own managed runtime (or virtual machine). For this interview, it is assumed that you
 have working knowledge of what the CLR does.This interview focuses deeply on one core question: How does the DLR work. Of course, we talk about the history and future of the DLR, but primarily we find out about DLR nuts and bolts and architecure.This interview is whiteboard heavy and compelling. It was really fun to chat with John and Martin and geek out on the DLR. It is a great technology with a very bright future.Enjoy!Low res file here.</itunes:summary>
      <itunes:duration>3730</itunes:duration>
      <link>http://channel9.msdn.com/Shows/Going+Deep/John-Lam-and-Martin-Maly-Deep-DLR</link>
      <pubDate>Mon, 24 Mar 2008 13:03:04 GMT</pubDate>
      <guid isPermaLink="false">http://channel9.msdn.com/Shows/Going+Deep/John-Lam-and-Martin-Maly-Deep-DLR</guid>
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      <dc:creator>Charles</dc:creator>
      <itunes:author>Charles</itunes:author>
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