Recent posts

Zip on glusterfs

October 06, 2011 at 01:42 PM | categories: glusterfs | View Comments

I've haven't found anything about this on the web yet, and it caused me to loose some data and time, so I'm issuing a warning here. Using zip to pack and compress files on a glusterfs partition can corrupt the...

Is this a blog?

September 11, 2011 at 10:15 PM | categories: website | View Comments

Yes and no. For some time I've had an urge to blog. I follow quite a few and most are concerned with science and research, or with computing and programming. Regularly I stumble upon technical information on blogs that I...

A NumPy exercise in optimization

September 01, 2011 at 01:40 PM | categories: python, optimization, numpy, algebra | View Comments

This will be a simple exercise I did a long time ago in speeding up a single operation repeated many times, namely the Euclidean vector norm. It can become quite a bottleneck if done wrong, especially if you deal with...

cclib in Debian

August 29, 2011 at 11:47 AM | categories: cclib, debian | View Comments

I'm involved in the development of cclib, which is a Python library for parsing computational chemistry output files, and progress has been sporadic at best. Nonetheless, after a few years the version number is above 1.0, the interface is quite...