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	<title>Yangtheman</title>
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	<link>http://blog.yangtheman.com</link>
	<description>Life hacker</description>
	<lastBuildDate>Tue, 17 Jan 2012 09:34:39 +0000</lastBuildDate>
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			<item>
		<title>How to install Ubuntu on Chomebook (CR-48) and put parental control</title>
		<link>http://blog.yangtheman.com/2012/01/17/how-to-install-ubuntu-on-chomebook-cr-48-and-put-parental-control/?utm_source=rss&amp;utm_medium=rss&amp;utm_campaign=how-to-install-ubuntu-on-chomebook-cr-48-and-put-parental-control</link>
		<comments>http://blog.yangtheman.com/2012/01/17/how-to-install-ubuntu-on-chomebook-cr-48-and-put-parental-control/#comments</comments>
		<pubDate>Tue, 17 Jan 2012 07:44:42 +0000</pubDate>
		<dc:creator>Yang Chung</dc:creator>
				<category><![CDATA[high-tech]]></category>
		<category><![CDATA[technology]]></category>
		<category><![CDATA[chromebook]]></category>
		<category><![CDATA[cr-48]]></category>
		<category><![CDATA[parental control]]></category>
		<category><![CDATA[ubuntu]]></category>

		<guid isPermaLink="false">http://blog.yangtheman.com/?p=360</guid>
		<description><![CDATA[I have had a couple of first-generation Chromebook (CR-48) for a while. I thought these would be pretty good portable computing devices to give to my kids. However, I wasn&#8217;t ready to do so unless there was some sort of parental control. As someone who spends a lot of time online, it&#8217;s too rough place [...]]]></description>
		<wfw:commentRss>http://blog.yangtheman.com/2012/01/17/how-to-install-ubuntu-on-chomebook-cr-48-and-put-parental-control/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>How to install KidsRuby on Mac OS X and Ubuntu</title>
		<link>http://blog.yangtheman.com/2012/01/17/how-to-install-kids-ruby-on-mac-os-x-and-ubuntu/?utm_source=rss&amp;utm_medium=rss&amp;utm_campaign=how-to-install-kids-ruby-on-mac-os-x-and-ubuntu</link>
		<comments>http://blog.yangtheman.com/2012/01/17/how-to-install-kids-ruby-on-mac-os-x-and-ubuntu/#comments</comments>
		<pubDate>Tue, 17 Jan 2012 07:24:21 +0000</pubDate>
		<dc:creator>Yang Chung</dc:creator>
				<category><![CDATA[Ruby on Rails]]></category>
		<category><![CDATA[high-tech]]></category>
		<category><![CDATA[technology]]></category>
		<category><![CDATA[Ruby]]></category>

		<guid isPermaLink="false">http://blog.yangtheman.com/?p=355</guid>
		<description><![CDATA[I have two kids, and I have been wanting to find ways to introduce my kids to programming. Especially for my son, who has asperger syndrome. I thought programming would be a good way to use his interests in logic and mathematics to good use.
I was so much in joy when I found KidsRuby. It&#8217;s [...]]]></description>
		<wfw:commentRss>http://blog.yangtheman.com/2012/01/17/how-to-install-kids-ruby-on-mac-os-x-and-ubuntu/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Never never give up on your life</title>
		<link>http://blog.yangtheman.com/2011/11/18/never-never-give-up-on-your-life/?utm_source=rss&amp;utm_medium=rss&amp;utm_campaign=never-never-give-up-on-your-life</link>
		<comments>http://blog.yangtheman.com/2011/11/18/never-never-give-up-on-your-life/#comments</comments>
		<pubDate>Fri, 18 Nov 2011 10:44:32 +0000</pubDate>
		<dc:creator>Yang Chung</dc:creator>
				<category><![CDATA[entrepreneurship]]></category>
		<category><![CDATA[high-tech]]></category>
		<category><![CDATA[personal]]></category>
		<category><![CDATA[startup]]></category>

		<guid isPermaLink="false">http://blog.yangtheman.com/?p=347</guid>
		<description><![CDATA[When I first read TechCrunch&#8217;s article on Diaspora co-founder Ilya Zhitomirskiy&#8217;s death, I didn&#8217;t think much of it except that it didn&#8217;t mention anything about the cause of the death. It usually means only thing, and my suspicion was confirmed by hacker news thread.
http://news.ycombinator.com/item?id=3231531
What I particularly noticed about the thread was discussion of failure and [...]]]></description>
		<wfw:commentRss>http://blog.yangtheman.com/2011/11/18/never-never-give-up-on-your-life/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Resources for fresh installation of Postgresql 8.x and Ruby on Rails on Mac OS X 10.6.x</title>
		<link>http://blog.yangtheman.com/2011/11/18/resources-for-fresh-installation-of-postgresql-8-x-and-ruby-on-rails/?utm_source=rss&amp;utm_medium=rss&amp;utm_campaign=resources-for-fresh-installation-of-postgresql-8-x-and-ruby-on-rails</link>
		<comments>http://blog.yangtheman.com/2011/11/18/resources-for-fresh-installation-of-postgresql-8-x-and-ruby-on-rails/#comments</comments>
		<pubDate>Fri, 18 Nov 2011 09:53:34 +0000</pubDate>
		<dc:creator>Yang Chung</dc:creator>
				<category><![CDATA[Ruby on Rails]]></category>

		<guid isPermaLink="false">http://blog.yangtheman.com/?p=326</guid>
		<description><![CDATA[Most people need to do this only when they get a new system. I had to go through this to help out a potential brogrammer, and it would have been much easier if I pointed him to one place where he could just following direction. Instruction here applies to Mac OS X 10.6.x.
1. Install Xcode
Xcode [...]]]></description>
		<wfw:commentRss>http://blog.yangtheman.com/2011/11/18/resources-for-fresh-installation-of-postgresql-8-x-and-ruby-on-rails/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>(org.mongodb.mogod) Exited with exit code: 100</title>
		<link>http://blog.yangtheman.com/2011/08/01/org-mongodb-mogod-exited-with-exit-code-100/?utm_source=rss&amp;utm_medium=rss&amp;utm_campaign=org-mongodb-mogod-exited-with-exit-code-100</link>
		<comments>http://blog.yangtheman.com/2011/08/01/org-mongodb-mogod-exited-with-exit-code-100/#comments</comments>
		<pubDate>Tue, 02 Aug 2011 01:59:04 +0000</pubDate>
		<dc:creator>Yang Chung</dc:creator>
				<category><![CDATA[high-tech]]></category>
		<category><![CDATA[mongodb]]></category>

		<guid isPermaLink="false">http://blog.yangtheman.com/?p=321</guid>
		<description><![CDATA[For some reason, I couldn&#8217;t run mongo shell and the console was overrun by the same error message like the following.
8/1/11 6:49:15 PM com.apple.launchd[1] (org.mongodb.mongod) Throttling respawn: Will start in 10 seconds
8/1/11 6:49:25 PM com.apple.launchd[1] (org.mongodb.mongod[394]) Exited with exit code: 100
8/1/11 6:49:15 PM com.apple.launchd[1] (org.mongodb.mongod) Throttling respawn: Will start in 10 seconds
8/1/11 6:49:25 PM com.apple.launchd[1] [...]]]></description>
		<wfw:commentRss>http://blog.yangtheman.com/2011/08/01/org-mongodb-mogod-exited-with-exit-code-100/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Relevance in current Internet</title>
		<link>http://blog.yangtheman.com/2011/06/05/relevance-in-current-internet/?utm_source=rss&amp;utm_medium=rss&amp;utm_campaign=relevance-in-current-internet</link>
		<comments>http://blog.yangtheman.com/2011/06/05/relevance-in-current-internet/#comments</comments>
		<pubDate>Sun, 05 Jun 2011 08:58:50 +0000</pubDate>
		<dc:creator>Yang Chung</dc:creator>
				<category><![CDATA[entrepreneurship]]></category>
		<category><![CDATA[high-tech]]></category>

		<guid isPermaLink="false">http://blog.yangtheman.com/?p=317</guid>
		<description><![CDATA[I just finished reading TechCrunch article, How Facebook Can Put Google Out of Business. This also reminded me of Paul Adam&#8217;s articles, The Real Life Social Network and How Your Customers&#8217; Social Circles Influence What They Buy, What They Do and Where They Go. And also this good analogy of Facebook, Google and other hot [...]]]></description>
		<wfw:commentRss>http://blog.yangtheman.com/2011/06/05/relevance-in-current-internet/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Lean Startup in Education (Hacking for Education)</title>
		<link>http://blog.yangtheman.com/2011/05/16/lean-startup-in-education-hacking-for-education/?utm_source=rss&amp;utm_medium=rss&amp;utm_campaign=lean-startup-in-education-hacking-for-education</link>
		<comments>http://blog.yangtheman.com/2011/05/16/lean-startup-in-education-hacking-for-education/#comments</comments>
		<pubDate>Mon, 16 May 2011 07:00:24 +0000</pubDate>
		<dc:creator>Yang Chung</dc:creator>
				<category><![CDATA[personal]]></category>
		<category><![CDATA[startup]]></category>
		<category><![CDATA[technology]]></category>

		<guid isPermaLink="false">http://blog.yangtheman.com/?p=301</guid>
		<description><![CDATA[Today I have had the most productive conversation with my wife (which is shame because I think she has a lot of good insights and look at things from different view points). It was inside the car, while we were driving to Lawrence Hall of Science, which is an awesome place all around.
I had to [...]]]></description>
		<wfw:commentRss>http://blog.yangtheman.com/2011/05/16/lean-startup-in-education-hacking-for-education/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Silicon Valley Bubble</title>
		<link>http://blog.yangtheman.com/2011/01/22/silicon-valley-bubble/?utm_source=rss&amp;utm_medium=rss&amp;utm_campaign=silicon-valley-bubble</link>
		<comments>http://blog.yangtheman.com/2011/01/22/silicon-valley-bubble/#comments</comments>
		<pubDate>Sun, 23 Jan 2011 00:05:46 +0000</pubDate>
		<dc:creator>Yang Chung</dc:creator>
				<category><![CDATA[entrepreneurship]]></category>
		<category><![CDATA[high-tech]]></category>

		<guid isPermaLink="false">http://blog.yangtheman.com/?p=291</guid>
		<description><![CDATA[I went back home to the East Coast, Washington DC suburb, this past holiday season. I also went up to see my friends and cousins in NJ and NY. Having the first meaningful conversation with my friends and relatives in about two years made me realize one thing about Silicon Valley.
We (those of us living [...]]]></description>
		<wfw:commentRss>http://blog.yangtheman.com/2011/01/22/silicon-valley-bubble/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Pretty Permalinks on Rails</title>
		<link>http://blog.yangtheman.com/2010/12/09/pretty-permalinks-on-rails/?utm_source=rss&amp;utm_medium=rss&amp;utm_campaign=pretty-permalinks-on-rails</link>
		<comments>http://blog.yangtheman.com/2010/12/09/pretty-permalinks-on-rails/#comments</comments>
		<pubDate>Fri, 10 Dec 2010 06:25:58 +0000</pubDate>
		<dc:creator>Yang Chung</dc:creator>
				<category><![CDATA[Ruby on Rails]]></category>

		<guid isPermaLink="false">http://blog.yangtheman.com/?p=288</guid>
		<description><![CDATA[Hot dang it&#8217;s so easy!  I am using Rails 3, and it&#8217;s as easy as adding .parameterize to an attribute.
For example, if you want something like
http://mywebsite/posts/123-it-is-so-easy
You do

class Post
  def to_param
    &#34;#{id}-#{title.parameterize}&#34;
  end
end

That&#8217;s it!
 ]]></description>
		<wfw:commentRss>http://blog.yangtheman.com/2010/12/09/pretty-permalinks-on-rails/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>RVM and Heroku</title>
		<link>http://blog.yangtheman.com/2010/12/09/rvm-and-heroku/?utm_source=rss&amp;utm_medium=rss&amp;utm_campaign=rvm-and-heroku</link>
		<comments>http://blog.yangtheman.com/2010/12/09/rvm-and-heroku/#comments</comments>
		<pubDate>Fri, 10 Dec 2010 06:19:33 +0000</pubDate>
		<dc:creator>Yang Chung</dc:creator>
				<category><![CDATA[Ruby on Rails]]></category>

		<guid isPermaLink="false">http://blog.yangtheman.com/?p=286</guid>
		<description><![CDATA[Make sure you run it twice &#8211; once with sudo and once without &#8211; for it to work properly.

$sudo gem install heroku
$gem install heroku

 ]]></description>
		<wfw:commentRss>http://blog.yangtheman.com/2010/12/09/rvm-and-heroku/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
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