Intellignet - Tomer Ben David on stuff

Search This Blog

Breakthrough: IBM Makes a Solar Cell Out of Inexpensive "Earth Abundant" Materials : TreeHugger

February 11, 2010

Get link
Facebook
Twitter
Pinterest
Email
Other Apps

http://www.treehugger.com/files/2010/02/ibm-new-solar-power-cells-earth-abundant.php

Get link
Facebook
Twitter
Pinterest
Email
Other Apps

Comments

SEO tip: use prosper 202 opensource to cloack where you traffic comes from

svn subversive eclipse installation tutorial

svn subversive eclipse installation tutorial I'm using this plugin for eclipse and its working great with svn. in future i would like to move to git, but for now i'm sticking with svn. http://www.ibm.com/developerworks/opensource/library/os-ecl-subversion/ ------------------------ http://intellignet.blogspot.com

Build a PowerSet

What is a PowerSet? Why is it called a PowerSet? Is it good or bad for us? Will I need it on my next Angular/Machine learning project? If we look at Wikipedia for the definition of powerset we see the below: In mathematics, the power set (or powerset) of any set S is the set of all subsets of S,... Cool, so that means if we have a set of a few item's {1, 2} then the power set would be the set of all sets, in the {1, 2} case it would be: { {1}, {2}, {1, 2}} Continuing to read the Wikipedia definition we see the guys there say: including the empty set and S itself You know what, those guys say we need to add the empty set let's just add it and move on: { {}, {1}, {2}, {1, 2}} So we added the empty set, the definition is now happy. :) All right I think now we are aligned with the definition, nice. Computer makes a power set Now the question is, how do we program the computer, to give us the PowerSet? The computer did not read the Wikipedia defi