Today I installed the utility shp2geocouch on Mac OS X 1.6. First I needed to update RubyGems… sudo gem update –system Then I could install shp2geocouch sudo gem install shp2geocouch Next I downloaded OSM data for Copenhagen, Denmark wget …
The spatial databases covered are PostGIS, MySQL spatial and MongoDB, Apache Cassandra. UPDATE: I’ll change this post or create a page to give the actual linux commands to run on the remote server. PostGIS on EC2 I have found a…
Assuming that the EC2 tools have been installed like described in a previous post, opening and closing ports is done with the ec2-authorize and ec2-revoke commands respectively. These commands work on security groups rather than on instances. Recall that a…
I’m using Mac OS X and running instances in the EU West Region. My instances are of the Amazon Linux AMI. Installing the EC2 command line tools Having command-line tools installed is a supplement to the AWS management console found…
While browsing the web for for good videos to help me land a cool job at high profile tech firm, I came across this series from an Indian university. Lecture – 16 Disk Based Data Structures You should be…
It’s a simple question Can you search for images by sketching a similar image? I went looking online for a search engine that had implemented this feature, which I’ll call image-search-by-sketching. Update: Since I wrote this piece, GaZoPa no longer…
This is a post in my technology archaeology series. What is search by sketching? The idea is to search for images by drawing a sketch that roughly resembles what you are looking for. The sketch is your query. This idea…
Big in 2005… Today I’m trying to find out whether BitTorrent + geodata is a “thing”. I have found out that it WAS a thing… in 2005! Just like Coldplay, Gorillaz, Eminem, 50 cents, James Blunt, Green Day… but it…
Actually, this is not about how translate.google.com works. It’s about loading HTML from a random URL, adding some extra Javascript and CSS and redisplaying the page on a different domain. A simple test page I’ve made a simple test web…
General instructions are here: Note: I’m running Snow Leopard (10.6.6 ) 1. Install homebrew Check that you don’t have it already: $ which brew If you don’t have <a href="http://mxcl.github.com/homebrew/">homebrew</a> install it from here: E.g. like this: $…