M635J520

D3 Map Projections Morphing
By Morten
Posted on February 9, 2013

Map of Australia mapped on AustraliaWe had a very good geography teacher in high school. He taught us how one should be sceptical and keep an open mind in science (using an anecdote about a scientist proposing an alternative to the theory... [Read More]
Tags:
- JavaScript
- Programming
- D3
- maps
- hack
- gist
- web
- visualization
D3, gists, and bl.ocks.org
By Morten
Posted on February 8, 2013

Yesterday I stumbled upon a very useful tool while (trying to) teach(ing) myself D3, namely http://bl.ocks.org. This lets you access, and preview, your webby gists in a browser - just by browsing to http://bl.ocks.org/<gist-id>. Most handy!(The only minor down side is that there seems... [Read More]
Tags:
- Programming
- gist
- source code
- web
- github
- visualization
Sequel on the Pi - and how to access Access DBs from Ruby (in parenthesis)
By Morten
Posted on February 2, 2013

Recently I had to liberate some data from an old MS Access DB, so I discovered a gem of a Ruby gem called "sequel" that generalizes database access (for many different databases) - ORM style. Most excellent, so I figured I wanted to... [Read More]
Tags:
- Programming
- Linux
- Pi
- Windows
- gem
- Ruby
- Databases
MIDI channels in Cubase - or there, and back again
By Morten
Posted on January 13, 2013

The other day a friend and I experimented with connecting his excellent monotribe (with the miditribe extension) to my Cubase to see if we could record the MIDI-signals coming from it. For Science! This made me realize that, being a MIDI-noob, I... [Read More]
Tags:
- music making
- music
- fix
- MIDI
- cubase
Counting in Ruby Revisited - Benchmarked
By Morten
Posted on January 3, 2013

After writing the post a while back on counting in Ruby I wondered if the two different implementations I outlined had similar runtimes. Inspired by this post by makaroni4 I went ahead and wrote the following little "benchmarker":Loading...So, you see the block centered... [Read More]
Tags:
Partitioning - or, students into n groups - in Ruby
By Morten
Posted on December 24, 2012

A while back a friend of mine asked if I could automate the creation of groups in a class of students - to maximize the variation within each group, but minimize the difference between them. This sounded like an interesting problem, so... [Read More]
Tags:
- Programming
- hack
- source code
- algorithm
- stats
- Ruby
Unicode characters in irb on OS X
By Morten
Posted on December 8, 2012

I noticed that my RVM-handled irb in OS X (Mountain Lion) didn't like Norwegian characters today. So instead of an 'ø', I got '\U+FFC3\U+FFB8' during entry, and nothing afterwards. Like so: Not really satisfactory. After googling: "os x irb unicode characters rvm"... [Read More]
Tags:
- Programming
- Mountain Lion
- Mac
- fix
- OS X
- Ruby

D3 Map Projections Morphing

D3, gists, and bl.ocks.org

Sequel on the Pi - and how to access Access DBs from Ruby (in parenthesis)

MIDI channels in Cubase - or there, and back again

Counting in Ruby Revisited - Benchmarked

Partitioning - or, students into n groups - in Ruby

Unicode characters in irb on OS X