Visualization of a social network based on the Danish music scene
En visualisering af et Københavnsk musik-offentligheds-netværk af facebooksider
Difficulty 2 · Easy
Difficulty level 2 of 5: Easy
When to be most careful about catching the flu?
Continuing on my blogification of Peter Norvigs excellent talk, the question is, when to watch out for the flu, e.g. if you live in Denmark? 1) Go to www.google.com/trends/ 2) Type in the word “influenza” 3) Select your geographical region…
How long is a year?
How to find out how long a year is on Earth by only analyzing text? This approach is lifted straight from an excellent and very inspiring talk by Peter Norvig. 1) Go to www.google.com/trends/ 2) Type in the word “Icecream”…
Tired of encoding problems in Python?
A tip: Decode early, Unicode everywhere, encode late
Playing with GraphViz and MathGenealogy data
Math in Genealogy is a great project (donate online). Sven Köhler from Potsdam, Germany has written a python script for visualizing the database, which I’m going to try. First step is to clone the git repo: $ git clone git@github.com:tzwenn…
Things related to Docker
Docker is a cool idea and open-source product, that seems to be taking the tech community by storm. Wired will tell you why it is cool in a story titled The Man Who Built a Computer the Size of the…
How many requests per second can I get out of Redis?
Warning: This is not a very interesting post. I’m toying around with the Redis benchmarking tool. What would be significantly more interesting would be to toy around with the Lua API in Redis, which I’ll do in a subsequent post.…
Some good slides for using PostgreSQL with Python
Peter Eisentraut has written some good slides on coding PostgreSQL clients in Python and on using Python as a stored procedures language in PostgreSQL. First half deals with using Python as a Postgres client. Second half deals with coding stored…
Make a RAM disk on Mac OS X 1.5 or later
Create the RAM disk: diskutil erasevolume HFS+ “ramdisk” `hdiutil attach -nomount ram://1165430` (the magic number 1165430 is explained here as the number of 512 byte sectors. The string “ramdisk” is just the name of the disk, which will appear under…
Evolving database algorithms through human experiments
Here is something fun to do on a sunny day. The idea is the following: A group of people collectively designing an algorithm by playing a game.