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?

leifg

Leif Gensert

Contact details

• Twitter: @leifg
• Website or Blog: http://leifg.ghost.io
• Propertybase GmbH. http://propertybase.com

Speaker bio

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 whose fingerprint is 9598 366D C247 B2A3 1769 B664 FF97 E8EA DFBA A7C0

To claim this, I am signing this object:

leifg

{
  "builders": [
    {
      "type": "digitalocean",
      "client_id": "...",
      "api_key": "..."
    }
  ]
}

leifg

test

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

Wed Jun 8 14:29:54 UTC 2016

leifg

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

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

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