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  <title>Question of the Day - Serverside Coding category</title>
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  <description>Interesting questions and answers on Java</description>
  <language>en</language>
  <copyright>Joseph Ottinger</copyright>
  <lastBuildDate>Wed, 03 Dec 2008 14:32:00 GMT</lastBuildDate>
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    <title>My data structures have changed - how can I migrate my data model?</title>
    <link>http://enigmastation.com:80/pebble/qotd/2008/08/28/1219954260000.html</link>
    
      
      
        <description>
          Sometimes, people design data structures, persisted entities, only to find that - &lt;strong&gt;gasp!&lt;/strong&gt; - their data structures are more fluid than they expected. When all of your data is transient - meaning that it can be destroyed safely - that&#039;s no big deal, because you just drop the tables in question (or the whole database) and start over. (Sound familiar, Rails fans?) Sometimes, that&#039;s not enough - so what do you do?&lt;p&gt;&lt;a href=&#034;http://enigmastation.com:80/pebble/qotd/2008/08/28/1219954260000.html&#034;&gt;Read more...&lt;/a&gt;&lt;/p&gt;
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    <category>Architecture</category>
    
    <category>Persistence</category>
    
    <category>Serverside Coding</category>
    
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    <pubDate>Thu, 28 Aug 2008 20:11:00 GMT</pubDate>
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  <item>
    <title>How do I send mail with Java?</title>
    <link>http://enigmastation.com:80/pebble/qotd/2008/08/28/1219947000000.html</link>
    
      
      
        <description>
          You send mail in Java with one of two APIs, basically: JavaMail and Commons-Email. People who use JavaMail fit in one of three categories: they don&#039;t know about Commons-Email, they are doing bulk mail and know what they&#039;re doing, or they&#039;re gluttons for punishment. Here&#039;s a class that shows how to send mail with both JavaMail and Commons-Email, for the case of sending to a single address.&lt;p&gt;&lt;a href=&#034;http://enigmastation.com:80/pebble/qotd/2008/08/28/1219947000000.html&#034;&gt;Read more...&lt;/a&gt;&lt;/p&gt;
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    <category>Serverside Coding</category>
    
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    <pubDate>Thu, 28 Aug 2008 18:10:00 GMT</pubDate>
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