valikos

# before
# solution from member of team
if hash["#{PRODUCT_TYPEID_VDC}"].nil? && hash["#{PRODUCT_TYPEID_PRIVATECLOUD}"].nil?
  hash["#{PRODUCT_TYPEID_VDC}"] = hash["#{PRODUCT_TYPEID_CLOUD}"]
elsif hash["#{PRODUCT_TYPEID_VDC}"].nil?  && hash["#{PRODUCT_TYPEID_CLOUD}"].nil?
  hash["#{PRODUCT_TYPEID_VDC}"] = hash["#{PRODUCT_TYPEID_PRIVATECLOUD}"]
elsif hash["#{PRODUCT_TYPEID_CLOUD}"].nil?
  hash["#{PRODUCT_TYPEID_VDC}"] += hash["#{PRODUCT_TYPEID_PRIVATECLOUD}"] unless hash["#{PRODUCT_TYPEID_PRIVATECLOUD}"].nil?
elsif hash["#{PRODUCT_TYPEID_PRIVATECLOUD}"].nil?
  hash["#{PRODUCT_TYPEID_VDC}"] += hash["#{PRODUCT_TYPEID_CLOUD}"] unless hash["#{PRODUCT_TYPEID_CLOUD}"].nil?

valikos

require 'singleton'
require 'active_support'

class TimeToLive
  include Singleton

  attr_reader :start_time

  def initialize
    @live = true

valikos

# research about this
Marshal.load(Marshal.dump(variable))

valikos

# create user
createuser --interactive -P role_name

# remove user
dropuser role_name

valikos

# start the ssh-agent in the background
eval "$(ssh-agent -s)"
# Agent pid 59566
ssh-add ~/.ssh/id_rsa

valikos

Mode |  Meaning
-----+--------------------------------------------------------
"r"  |  Read-only, starts at beginning of file  (default mode).
-----+--------------------------------------------------------
"r+" |  Read-write, starts at beginning of file.
-----+--------------------------------------------------------
"w"  |  Write-only, truncates existing file
     |  to zero length or creates a new file for writing.
-----+--------------------------------------------------------
"w+" |  Read-write, truncates existing file to zero length

valikos

One liner to stop / remove all of Docker containers:

docker stop $(docker ps -a -q)
docker rm $(docker ps -a -q)

valikos

var Vector = function(x, y) {
  this.x = x;
  this.y = y;
}

Vector.prototype.plus = function(vector) {
  return new Vector.new(this.x + vector.x, this.y + vector.y)
}

Vector.prototype.minus = function(vector) {

valikos

> brew install gcc48
> CC=gcc-4.8 rbenv install 1.8.7-p375

valikos

class A
  @foo = :foo
  @@bar = :bar

  attr_reader :foo

  def foo
    @foo = :bla
  end