shingara

require 'rubygems'
require 'eventmachine'
require 'feedzirra'
require 'restclient'

feeds_url = [ "http://stackoverflow.com/feeds/tag/ruby-on-rails",
  "http://stackoverflow.com/feeds/tag/ruby",
  "http://stackoverflow.com/feeds/tag/git",
  "http://stackoverflow.com/feeds/tag/mongodb",
  "http://stackoverflow.com/feeds/tag/nginx",

otobrglez

require 'nokogiri'

class World
  attr_reader :continents
  
  def initialize(world_xml="cia-1996.xml")
    @continents = []
    
    if File.exists?(world_xml)
      @noko = Nokogiri::XML(File.open world_xml )

jeroenroodnat

query = BSON::OrderedHash.new.tap do |query|
    query["geoNear"]="locations"
    query["near"] = lon_lat
end
 lon,lat =lon_lat

query = Location.collection.db.command(query)['results'].sort_by do |r|
      r['distance'] = Haversine.distance(lat,lon,r['obj']['lon_lat'][1],r['obj']['lon_lat'][0])
 end

rmoriz

# Gemfile
…
gem 'uuidtools' 
…

Hates

  scope :ordered_by_article_count,
    select("users.*, c.count as article_count").
      joins("LEFT JOIN (SELECT user_id, COUNT(user_id) as count
              FROM articles WHERE state = 'active' GROUP BY user_id) as c ON c.user_id = users.id").
        where("c.count IS NOT NULL").
          order("c.count DESC")

otobrglez

# 1) Put 's3' gem in Gemfile.
# 2) Create as3.yml configuration for S3
# 3) Create initializer for as3.yml
# 4) Make "assets" folder inside your bucket
# 5) After running task run "RAILS_ENV=production rake assets:precompile"
# 6) Invoke task by running "rake as3:upload"

namespace :as3 do  
  desc "Uploads compiled assets (public/assets) to Amazone AS3"
  task :upload do

otobrglez

# Simple Car class. Nothing special here...
class Car
  attr_accessor :brand
  attr_accessor :model
  attr_accessor :year
  
  def initialize(brand, model, year=2011)
    @brand, @model, @year = brand, model, year
  end
  

scttnlsn

Pub/sub with MongoDB and Node.js

Setup:

$ mongo
> use pubsub
> db.createCollection('messages', { capped: true, size: 100000 })
> db.messages.insert({})

josevalim

Sinatra like routes in Rails controllers

A proof of concept of having Sinatra like routes inside your controllers.

How to use

Since the router is gone, feel free to remove config/routes.rb. Then add the file below to lib/action_controller/inline_routes.rb inside your app.

joho

# from http://pushandpop.blogspot.com.au/2011/05/handling-gzip-responses-in-ruby-nethttp.html
# i wanted syntax highlighting

require 'net/http'

debug = Proc.new{|msg| STDERR.puts "[#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}] #{msg}" }

page = nil
http = Net::HTTP.new( "www.google.com", 80 )
req = Net::HTTP::Get.new( "/search?num=20&hl=en&noj=1&q=test&btnG=Search", { "Accept-Encoding" => "gzip", "User-Agent" => "gzip" } )