numpy documentation

With trustlet, I'm finally getting to a point where we can do cool stuff, evaluating prediction graphs of trust metrics. Now I need to refresh my Python array stuff. Since last time I was using that stuff, in 2004, they have refactored it (once more) and called it numpy. That's fine. But, in order to read an important part of the documentation you need to pay 39.99 US$.

Creative Commons books

Last week I found a list of books available under Creative Commons licenses on the Creative Commons wiki.  You can find some great titles, such as Wall Street, Capitalism 3.0 and Asterisk: The Future of Telephony. Some of my favorites were already on the list (Free Culture and Down and Out of the Magic Kingdom and We the Media) but I had to add Everyone in Silico and Producing Open Source Software. I was also pleased to find out that the
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Wikivoyage

I have been a contributor on Wikitravel for a long time now. I was not too worried when Wikitravel was bought by Internet Brands (which has already shown interest in buying CouchSurfing). But I have been annoyed by the lack of database dumps at Wikitravel for a long time now.