bil-bas

# List all objects where there are > 1 instance

h = Hash.new(0)
ObjectSpace.each_object {|o| h[o.class] += 1 }
h.select {|k, v| v > 1 }.sort_by {|k, v| -v }.each {|k, v| puts "#{k}: #{v}" };

bil-bas

require 'csv'

# Read the list of hosts.
hosts = {}
CSV.open('./datafile.csv', 'r') do |fields|
  hosts[fields[0]] = { :location => fields[1], :device_type => fields[3] }
end

# Find out the date to report on.
report_file = './report.csv'

bil-bas

require 'fastercsv' # Gem I'm assuming is beign used, but there are others.

hash = {} # So apeiros_ doesn't murder me

FasterCSV.foreach("path/to/file.csv") do |line|
  hash[line[0].to_sym] = { :location => line[1], :device_type => line[3] }
end

# then you can reference with

bil-bas

class RawDataController < ApplicationController
  helper_method :sort_column, :sort_direction

  def index
  end

  protected

  def sort_column
    logger.debug self.class::SORT_MODEL.inspect

bil-bas

heftig: 
first, do    target = rand(a.inject(0){|m,h| m + h[:prob]})
to get a value between 0 and (sum of all probs - 1)
then just a.find { |h| target -= h[:prob]; target < 0 }
steps through the array, reducing target by prob until it's < 0

bil-bas

Benchmarks for Ashton

(results in milliseconds per call, operating on a image/texture of size 1022x1022)

Ashton::PixelCache

PixelCache#to_image             32.61720

PixelCache#refresh 1.83594

bil-bas

translate -@camera_x, -@camera_y do  
  @map.draw
  @player.draw  
end

translate 10, 10 do
  score_text = "Collected: #{@player.items}"
  score_width = @score_font.text_width score_text

  draw_quad 0, 0, 0xaa000000,

bil-bas

# Failing case of Window#gl used with shaders.

require "opengl" # Gem must be "opengl" gem, not "ruby-opengl" gem
require 'gosu'

def media_path(file); File.expand_path "media/#{file}", File.dirname(__FILE__) end

class TestWindow < Gosu::Window
  def initialize
    super 640, 480, false

bil-bas

#version 110

attribute vec2 in_TexCoord;

varying vec2 var_TexCoord;

void main()
{
  gl_Position = ftransform();
  var_TexCoord = in_TexCoord;

bil-bas

/framebuffer.png
/framebuffer_section.png