Thursday, February 14, 2008

Linux 2.6.25-rc1 (new features)

I am extremely glad to see 2.6.25-rc1, specially due to some of the new features that I've added.

A list of features is mentioned in the LWN article about the merge window for 2.6.25-rc1. This includes the memory controller (now called memory resource controller). Check out as well. We also got fake NUMA nodes for PowerPC and many other small fixes.

I have a new favorite website for git changelogs

Check out some of the cool graphs from that website

Sunday, February 03, 2008

Bhaskara's proof of the pythagoras's theorem

Bhaskara's Proof

Bhaskara's proof (1114 AD) of the theorem follows from the figure

So simple, elegant and beautiful. I wish I was aware of this proof as a student

Dynamic programming for the binomial coefficient

More fun things, this time with some visualisation of what happens when memoisation is used and what happens when we don't. I don'...