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Archive for July, 2007

Slax on a USB drive

Tuesday, July 31st, 2007

Basically, I followed these instructions, but here is the official record of what I did.

Moving this blog to

Friday, July 20th, 2007

I have moved this blog to I have redirected to This means you are now reading this on the new domain. Please update your bookmarks. Apologies for any inconvenience.

Round corners using nothing but CSS

Thursday, July 12th, 2007

The titlebar of this blog has round corners thanks to the Spiffy Corners method.

Getting around the Penn library proxy to post directly to CiteULike

Wednesday, July 11th, 2007

As I wrote before, one of the few problems with CiteULike is that I cannot post an article with the CiteULike Bookmarklet if I’m accessing a journal via a library proxy server (that’s practically all the time). The CiteULike FAQ give the tip of using Greasemonkey to get around the proxy server problem. I’ve finally […]

R: Combine two matrices column by column

Monday, July 9th, 2007

I have two matrices. I want to combine these, alternatingly picking the next column from a and from b. > a a [,1] [,2] [,3] [1,] 1 2 3 [2,] 1 2 3 [3,] 1 2 3 [4,] 1 2 3 > b b [,1] [,2] [,3] [1,] 4 5 6 [2,] 4 5 6 […]