How to Clear your Browsing History Clean

Clear your browsing history clean. Found this in lifehacker. Pretty cool tip. Here'z a snippet

ipconfig /displaydns

That shows all the DNS servers your machine has communicated with, and, surprise surprise, some of them may not be something you want everyone to see (torrent DNS, etc.)

You can clear this by typing: ipconfig /flushdns

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Places I have Visited So Far

A map of all the places I have visited so far in USA:


visited 23 states (46%)
Create your own visited map of The United States or website vertaling duits?

and in India:


visited 6 states (17.1%)
Create your own visited map of India or Best time to visit Wroclaw

Technology Behind Twitter

From Wiki:

The Twitter Web interface uses the Ruby on Rails framework.^[24] From the spring of 2007 until 2008 the actual messages were handled by a Ruby persistent queue server called Starling^[25] but since 2009 this has been gradually replaced with software written in Scala.^[26]

They started shifting from mysql + memcache to Cassandra as a database this year (2010).