andruby

CREATE OR REPLACE FUNCTION r_scatter(title text, sql text)
  RETURNS text AS
$BODY$
str <- pg.spi.exec (sql);
pdf('/tmp/scatter_plot.pdf');
plot(str,main=title,cex=0.3, pch=20,col=rgb(255,0,0,2,maxColorValue=255),ylim=c(0,100));
dev.off();
print('done');
$BODY$
  LANGUAGE 'plr' VOLATILE;

andruby

/*********************************************
 * OPL 5.0 Model
 * Author: Andrew Fecheyr Lippens
 * Creation Date: 9/05/2009 at 23:49
 *********************************************/

// Setup
int      horizon = 60*24*21-1;    // Number of minutes in a week
int      blocktime = 5;

andruby

%% This lets you do stuff like
1> my_lib:seq_float(10.01,10.13,0.02).
[10.01,10.03,10.05,10.07,10.09,10.11,10.13]

andruby

# Sample the CPU Load and Memory usage of an application over time and 
# returns the average, standard deviation and min-max range.

# processname to check as $1, number of samples as $2
# eg: ruby ps_avg.rb safari 100
process_name = ARGV[0]
sample_count = ARGV[1] || 120
samples_per_seconds = 3
sleep_time = (1/samples_per_seconds.to_f)

andruby

#!/usr/bin/env ruby
# Dynamic DNS updater by Andruby for Zerigo
# www.andrewsblog.org

ApiKey = 'myzerigoapikey'          # your Zerigo API key
Host = 'test.example.com'          # the host you want to dynamically update
User = 'user@domain.com'           # your Zerigo username
NameServer = 'a.ns.zerigo.net'     # Zerigo nameserver to query
LastIpTmpFile = '/tmp/dyn_update_last_ip'  # a temporary file where we store the last ip adress

andruby

# Script to setup swap space on a Amazon AWS instance
# Takes about 1 minute per GB of swap size
# run it like this: 
# ruby aws_swap.rb 4G

SWAP_LOCATION = "/mnt/swapfile"

def run(cmd)
  if ARGV.join(' ').include?('-p')
    puts cmd

andruby

# Helper class for file I/O and time measurement
class Problem
  def initialize(input_file,output_file=nil)
    @output_file = output_file
    @start_time = Time.now
    @input_file = input_file
    @output_file ||= input_file.gsub('.txt','').gsub('.in','.out')
    File.delete(@output_file) if File.exists?(@output_file)
  end
  

andruby

# Application Generator Template
# Modifies a Rails app to use Mongoid, Devise, jQuery, Haml
# Usage: rails new app_name -m http://gist.github.com/raw/452364/gistfile1.txt

# More info: http://github.com/fortuity/rails3-mongoid-devise/

# If you are customizing this template, you can use any methods provided by Thor::Actions
# http://rdoc.info/rdoc/wycats/thor/blob/f939a3e8a854616784cac1dcff04ef4f3ee5f7ff/Thor/Actions.html
# and Rails::Generators::Actions
# http://github.com/rails/rails/blob/master/railties/lib/rails/generators/actions.rb

andruby

after "deploy:symlink", "deploy:restart_workers"

##
# Rake helper task.
# http://pastie.org/255489
# http://geminstallthat.wordpress.com/2008/01/27/rake-tasks-through-capistrano/
# http://ananelson.com/said/on/2007/12/30/remote-rake-tasks-with-capistrano/
def run_remote_rake(rake_cmd)
  rake_args = ENV['RAKE_ARGS'].to_s.split(',')
  cmd = "cd #{fetch(:latest_release)} && #{fetch(:rake, "rake")} RAILS_ENV=#{fetch(:rails_env, "production")} #{rake_cmd}"

andruby

getal = 2
primes = [2]
begin
  getal += 1
  primes << getal unless primes.any? { |deler| getal % deler == 0 }
end until primes.size >= 1000
p primes