seanhandley

# You'll need a container OS like Fedora Atomic first
wget https://fedorapeople.org/groups/magnum/fedora-atomic-latest.qcow2
openstack image create fedora-atomic-latest --disk-format "qcow2" --public \
                       --container-format 'bare' \
                       --file 'fedora-atomic-latest.qcow2' \
                       --property os_distro=fedora-atomic
                       
# Use your own keypair name in place of 'kp'
magnum cluster-template-create --name='k8s-cluster-template' --image-id='fedora-atomic-latest' \
                               --keypair-id='kp' --external-network-id='public' --master-flavor-id='m1.small' \

seanhandley

# On a Ubuntu 14.04 server
sudo apt-get update
sudo apt-get upgrade -y
sudo apt-get install -y git

sudo mkdir -p /opt/stack
sudo chown $USER /opt/stack
git clone https://git.openstack.org/openstack-dev/devstack /opt/stack/devstack
cd /opt/stack/devstack
git checkout stable/newton

seanhandley

class Fixnum
  def prime?
    /^.?$|^(..+?)\1+$/ !~ '1'*self
  end
end

0.prime? #=> false
1.prime? #=> false
2.prime? #=> true
3.prime? #=> true

seanhandley

module BinaryTree
  class Node
    attr_reader :element
    attr_accessor :left, :right

    def initialize(e=nil)
      @element = e
    end

    def traverse

seanhandley

clouds:
  datacentred:
    auth:
      username: YOUR_USERNAME
      password: YOUR_PASSWORD
      project_name: YOUR_PROJECT_NAME
      auth_url: https://compute.datacentred.io:5000/v2.0/

seanhandley

Rails.configuration.log_level = :info 
ActiveRecord::Base.logger = Logger.new(STDOUT)

# run your code

seanhandley

server {
  listen                443 ssl http2;
  server_name           awesomehost.ninja;

  ssl_certificate          /path/to/server.crt;
  ssl_certificate_key      /path/to/server/key
  ssl_client_certificate   /path/to/client-ca.crt;
  ssl_verify_client        optional;
  
  location /secret {

seanhandley

class ApplicationController < ActionController::Base
  def no_layout?
    params.keys.include?('no_layout')
  end
end

seanhandley

<%= link_to "Edit", @model.edit_path %>

seanhandley

I18n.t("model_helper_texts.#{model.downcase.underscore}.#{attribute_name.downcase.underscore})