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	<title>null pointers ... &#187; design</title>
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	<description>a tech rag-picker's bin</description>
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		<title>null pointers ... &#187; design</title>
		<link>http://nullpointers.wordpress.com</link>
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		<title>Simple benchmarking</title>
		<link>http://nullpointers.wordpress.com/2008/09/27/simple-benchmarking/</link>
		<comments>http://nullpointers.wordpress.com/2008/09/27/simple-benchmarking/#comments</comments>
		<pubDate>Sat, 27 Sep 2008 18:01:44 +0000</pubDate>
		<dc:creator>Intensity !</dc:creator>
				<category><![CDATA[design]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[benchmark]]></category>

		<guid isPermaLink="false">http://nullpointers.wordpress.com/?p=250</guid>
		<description><![CDATA[
In any e-learning system, there exists data regarding all the assessments and the students responses/submission of these assessments.
Such historic data are of tremendous use in providing value added services to end users. 
An assessment can be defined as a set of questions.
If testid represents a test and qid represents a question, then
   a [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=nullpointers.wordpress.com&blog=4418727&post=250&subd=nullpointers&ref=&feed=1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Intensity !</media:title>
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		<item>
		<title>Stupid &#8230; Keep it simple !</title>
		<link>http://nullpointers.wordpress.com/2008/09/04/stupid-keep-it-simple/</link>
		<comments>http://nullpointers.wordpress.com/2008/09/04/stupid-keep-it-simple/#comments</comments>
		<pubDate>Wed, 03 Sep 2008 19:02:00 +0000</pubDate>
		<dc:creator>Intensity !</dc:creator>
				<category><![CDATA[design]]></category>
		<category><![CDATA[simplicity]]></category>
		<category><![CDATA[usability]]></category>
		<category><![CDATA[user behavior]]></category>

		<guid isPermaLink="false">http://nullpointers.wordpress.com/?p=205</guid>
		<description><![CDATA[
We did a small analysis to find how much of the content do the free trial users view.
To our surprise, we found that a sizable chunk around 40% of the  users who sign up for free trial, don&#8217;t even login into the site and thereby end up viewing nothing.
We were dismayed at the results. [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=nullpointers.wordpress.com&blog=4418727&post=205&subd=nullpointers&ref=&feed=1" />]]></description>
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		<slash:comments>2</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">Intensity !</media:title>
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		<item>
		<title>Reacting to Requirements</title>
		<link>http://nullpointers.wordpress.com/2008/08/19/reacting-to-requirements/</link>
		<comments>http://nullpointers.wordpress.com/2008/08/19/reacting-to-requirements/#comments</comments>
		<pubDate>Tue, 19 Aug 2008 03:26:55 +0000</pubDate>
		<dc:creator>Intensity !</dc:creator>
				<category><![CDATA[design]]></category>
		<category><![CDATA[requirements]]></category>

		<guid isPermaLink="false">http://nullpointers.wordpress.com/?p=73</guid>
		<description><![CDATA[
The team got a request to change login ID of an existing user. This was indeed very strange. The login ID percolates through  all the database tables and change in the ID means to move all the data from the old ID to the new login ID. This was indeed an uphill (read boring, [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=nullpointers.wordpress.com&blog=4418727&post=73&subd=nullpointers&ref=&feed=1" />]]></description>
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		<slash:comments>1</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">Intensity !</media:title>
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		<title>handling user uploaded hierarchical data</title>
		<link>http://nullpointers.wordpress.com/2008/08/14/handling-user-uploaded-hierarchical-data/</link>
		<comments>http://nullpointers.wordpress.com/2008/08/14/handling-user-uploaded-hierarchical-data/#comments</comments>
		<pubDate>Thu, 14 Aug 2008 03:07:51 +0000</pubDate>
		<dc:creator>Intensity !</dc:creator>
				<category><![CDATA[databases]]></category>
		<category><![CDATA[design]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[database]]></category>
		<category><![CDATA[filesystem]]></category>

		<guid isPermaLink="false">http://nullpointers.wordpress.com/?p=90</guid>
		<description><![CDATA[My colleague U developed an application feature that would enable our users to upload documents. Users can also organize their uploaded documents as a tree of files and folders. 
We then discussed how to store this information in the database.  
Method 1 : Create a folder for the user on the server side file [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=nullpointers.wordpress.com&blog=4418727&post=90&subd=nullpointers&ref=&feed=1" />]]></description>
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		<slash:comments>2</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">Intensity !</media:title>
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		<item>
		<title>whom to throw out ?</title>
		<link>http://nullpointers.wordpress.com/2008/08/11/whom-to-throw-out/</link>
		<comments>http://nullpointers.wordpress.com/2008/08/11/whom-to-throw-out/#comments</comments>
		<pubDate>Mon, 11 Aug 2008 04:55:07 +0000</pubDate>
		<dc:creator>Intensity !</dc:creator>
				<category><![CDATA[design]]></category>
		<category><![CDATA[requirements]]></category>

		<guid isPermaLink="false">http://nullpointers.wordpress.com/?p=61</guid>
		<description><![CDATA[This is yet another interesting encounter at work sometime back. which user to throw out !
let me explain.
Let us say that a web app allows a user to be logged in only once at any given time. Now if the same userID tries to login again, should this attempt fail and retain the already logged [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=nullpointers.wordpress.com&blog=4418727&post=61&subd=nullpointers&ref=&feed=1" />]]></description>
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		<slash:comments>0</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">Intensity !</media:title>
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		<title>the fractal nature of MVC</title>
		<link>http://nullpointers.wordpress.com/2008/08/08/the-fractal-nature-of-mvc/</link>
		<comments>http://nullpointers.wordpress.com/2008/08/08/the-fractal-nature-of-mvc/#comments</comments>
		<pubDate>Fri, 08 Aug 2008 05:54:11 +0000</pubDate>
		<dc:creator>Intensity !</dc:creator>
				<category><![CDATA[design]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[mvc]]></category>

		<guid isPermaLink="false">http://nullpointers.wordpress.com/?p=47</guid>
		<description><![CDATA[The ubiquitous MVC (Model-View-Controller). Though simple in its definition, quite a hard concept to grasp and harder still to implement. Many of the frameworks that claim to be MVC do compromise on MVC-ness somewhere or the other. Quite difficult this MVC business.
Getting a bit deeper into MVC, it somehow occurs to me that there are [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=nullpointers.wordpress.com&blog=4418727&post=47&subd=nullpointers&ref=&feed=1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Intensity !</media:title>
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