I had a bit of trouble installing the latest PostGIS 1.5 under PostgreSQL 8.4. Here are my instructions. These work on Ubuntu 8.04, 9.04, 9.10, 10.04, and 10.10.
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Setting Up Ubuntu 9.10 for Ruby On Rails Development
February 1st, 2010 by Adam BachmanThis is a document I put together at the beginning of 2010 while building yet another Ubuntu VM, digging through our internal documentation to try and find out what I needed. We’ve got the answers, and generally Ruby, Rails, and Ubuntu are pretty good about telling you how to install tools if you don’t have them yet.
But the answers are spread out and distributed randomly. Plus, I can only see “The program ‘______’ is currently not installed. You can install it by typing: sudo apt-get install ______” so many times before I lose interest and put off the task.
Find the Unique Sessions for a Rails Application
May 4th, 2009 by Nick GauthierToday we’re going to look at how to find the number of unique sessions over a specific time frame for a rails application. We’ll be using the gem.
Integrity CI on Passenger 2.2.2 with Ruby Enterprise Edition on Ubuntu 8.04
April 26th, 2009 by John TrupianoI just spent a few hours trying to get this configuration sorted out, so I thought I’d share my notes. My goal was to get running on with . However, I couldn’t get the user Integrity/Apache was running as to use the proper PATH.
Whenever Integrity would try to build my project, I’d get an error about rake not being able to be found: sh: rake: not found
Benchmark Ruby Code with R, rsruby and better-benchmark
October 8th, 2008 by John TrupianoI’ve found myself on a benchmarking kick these last couple of weeks. Sometime last week, I dug up the library written by . Pistos’ library is basically just a wrapper for the , which is more or less an interface to (similar to what is to ).
Combining these tools together, we can do some pretty nifty code performance analysis in very few lines of code, e.g.
require 'rubygems' require 'better-benchmark' result = Benchmark.compare_realtime(:iterations => 10) { |iteration| save_the_world() }.with { |iteration| save_the_world_and_save_the_girl() } Benchmark.report_on result
I have and wrapped the library up into a .