Linux Mint stuck in fallback mode?
I have the problem that many people have: Virtualbox refuses to increase the so-called dynamic disk. The result is that at some point one runs out of space and one…
Collapsible list in HTML/CSS/JS
I am working on a website where we need to present a large amount of information in a hierarchical list. The list will have several thousand elements so it seems…
Comments on Marty Nemko’s “12 Predictions for 2050”
A reader asked me to comment on the predictions/musings by Marty Nemko at his blog. I had never heard of him before, but he's some kind of coach, radio host…
Stumbling into someone’s else’s field and getting things right
I stumbled upon another physicist venturing into someone else's field and getting things right. I quote from Pinker's Better Angels: In the early 1950s, two eminent British scholars reflected on…
Children of Immigrants Longitudinal Study (CILS): useful for testing spatial & generational transferability
In a not so well written paper (that we should update to be better presented), John Fuerst and I previously used two hypotheses using the National Longitudinal Survey of Freshman…
Getting Facebook to show preview images
I noticed that Facebook wasn't showing any preview images for a website I maintain (http://teknologipartiet.dk/, my pet grey tribe political party/think tank). It turns out that Facebook wants a metatag…
Installing R packages on Mint 17.1: cluster, KernSmooth, Matrix, nlme, mgcv
Installing R packages on Windows is easy: you run the install code and it always works. Not so on Linux! Here one sometimes has to install them thru apt-get (or…
Deleting files with empty extensions on Windows 8.1
I'm posting this here so I can find it more easily because this is at least the third time I had to google the issue to retrace my own steps…
Review: Intelligence: all that matters (Stuart Ritchie)
I was recently asked to suggest introductory reviewing materials for bright laymen (see also my previous post). I ended up giving the following recommendations: - Intelligence: A very short introduction…
Administration time and reliability in measurement
For some research designs, one pays the participants by the amount of time they spend on the task (like regular work). For other designs where one does not, usually participants…
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