mislav

find ~ -name '*.log' -print0 | xargs -0 -L1 stat -f'%z %N' | sort -rn | tee fat-logfiles.txt | head

awk '{ total += $1 } END { printf "total: %5.2f MiB\n", total/1024/1024 }' < fat-logfiles.txt

olistik

Ubuntu 12.10 setup (rbenv/RVM, Janus, PostgreSQL)

Basic pre-requisites

• Some utilities:

sudo apt-get install vim tmux git curl

• Copy/paste from the command line:

zenom

# RSpec 2.0 syntax Cheet Sheet by http://ApproachE.com

# defining spec within a module will automatically pick Player::MovieList as a 'subject' (see below)
module Player
	describe MovieList, "with optional description" do
		  
	  it "is pending example, so that you can write ones quickly"
	  
	  it "is already working example that we want to suspend from failing temporarily" do
		pending("working on another feature that temporarily breaks this one")

jashkenas

// Document Model

dc.model.Document = Backbone.Model.extend({

  constructor : function(attrs, options) {
    attrs.selected = false;
    attrs.selectable = true;
    if (attrs.annotation_count == null) attrs.annotation_count = 0;
    Backbone.Model.call(this, attrs, options);
    var id = this.id;

octplane

require 'rubygems'
require 'mongo'

module MongoPubSub
  QUEUES_COLLECTION = 'queues'
  class EndSubscriptionException < Exception; end
  class Publisher
    def initialize(queue_name, mongo_connection)
      # Initialize queue collection as a capped collection
      if not mongo_connection[QUEUES_COLLECTION].collection_names.include?(queue_name)

Gregg

Building a Facebook application and hosting it in Heroku

Introduction

With Facebook's Graph API and the creation of the Open Graph protocol, it is now easier then ever before to read and write data from and to the "social graph". Here's a few of the possibilities:

• You could turn your webpage into a fully-featured Facebook-like page, just like if you were inside Facebook.

sr

#!/bin/sh
source `dirname $0`/ci-env

if [[ -x script/ci ]]; then
    script/ci
else
    test -f Gemfile.lock

    if [ `head -n1 Gemfile.lock` == "GEM" ]; then
        gem install bundler --no-rdoc --no-ri

nesquena

# delayed job priority ranges. Higher values represent lower priority.
PRIORITY_RANGES = [(0..9), (10..19)]

2.times do |num|
  God.watch do |w|
    w.name     = "dj-#{num}"
    w.group    = 'dj'
    w.interval = 30.seconds
    w.start = "rake -f #{RAILS_ROOT}/Rakefile RAILS_ENV=production MIN_PRIORITY=#{PRIORITY_RANGES[num].first} MAX_PRIORITY=#{PRIORITY_RANGES[num].last} jobs:work"
    w.log   = "/var/log/god/god.log"

kdwinter

module Authenticable
  def self.included(model)
    model.class_eval do
      extend ClassMethods
      include InstanceMethods

      field :username
      field :email
      field :crypted_password
      field :password_salt

tobym

# Author: Pieter Noordhuis
# Description: Simple demo to showcase Redis PubSub with EventMachine
#
# Requirements:
# - rubygems: eventmachine, thin, cramp, sinatra, yajl-ruby
# - a browser with WebSocket support
#
# Usage:
# ruby redis_pubsub_demo.rb
#