leifg

file_to_disk = './tmp/large_disk.vdi'

Vagrant::Config.run do |config|
  config.vm.box = 'base'

  config.vm.customize ['createhd', '--filename', file_to_disk, '--size', 500 * 1024]
  config.vm.customize ['storageattach', :id, '--storagectl', 'SATA Controller', '--port', 1, '--device', 0, '--type', 'hdd', '--medium', file_to_disk]
end

leifg

d = SimpleDelegator.new(nil)
d.nil?                                                                                                                
# false
d == nil
# true

leifg

This is an example of adding Jenkins build status to a [dashing-dashboard](https://github.com/Shopify/dashing

If a job is running, the widget will have a grey background. If a job succeeded at its last run, it will have a green background. If a job failed at its last run, it will have a red background.

Requirements:

• Ruby 1.9
• dashing

leifg

{
    "SessionKey": "bdd83606fc9347da96ecda2b8105ad2e_rrsqbjcb_06a13f0a788e803fcc56e78802891a26",
    "Query": {
        "Country": "DE",
        "Currency": "EUR",
        "Locale": "de-de",
        "Adults": 1,
        "Children": 0,
        "Infants": 0,
        "OriginPlace": "5363",

leifg

{
  "status": "complete",
  "session_key": "9ca35955414f431ba1ce655b6e0faf29_rrsqbjcb_06a13f0a788e803fcc56e78802891a26",
  "segments": {
    "0": {
      "OriginStation": 14385,
      "OperatingCarrier": 1175,
      "JourneyMode": "Flight",
      "FlightNumber": "7620",
      "Duration": 115,

leifg

list = Enum.to_list(1..100_000)

Benchee.run(%{
  "List.last"           => fn -> list |> List.last end,
  "Enum.reverse |> hd"  => fn -> list |> Enum.reverse |> hd end
}, time: 20)

leifg

Verifying that +leifio is my blockchain ID. https://onename.com/leifio

leifg

Wed Jun 8 14:29:54 UTC 2016

leifg

Keybase proof

I hereby claim:

• I am leifg on github.
• I am leifg (https://keybase.io/leifg) on keybase.
• I have a public key ASBtVKBPqalH0Nfq2683WNaQJB7fgOb0abYl9aoiTsWKggo

To claim this, I am signing this object:

leifg

arr = []

# You probably know this one:

#http://ruby-doc.org/core-2.0.0/Array.html#method-i-empty-3F
if arr.empty?
  # do something
end

# But do you also know the opposite?