rbishop

iptables -A OUTPUT -t mangle -p tcp --dport 22 -j TOS --set-tos 0x00

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require 'httparty'

fetch = -> (url) {
  HTTParty.get(url, headers: { "Accept" => "application/json"})
}

response = fetch.("http://letsrevolutionizetesting.com/challenge.json")

begin
  next_url = response["follow"]

rbishop

defmodule UniquePairs do
  
  def hundreds(numbers) do
    numbers
    |> combinations
    |> is_hundred
    |> sort_pairs
    |> Enum.uniq
  end

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class Parent
  def initialize(name)
    @name = name
  end
  
  private
  
  attr_accessor :name
end

rbishop

- Jester King
  - Black Metal Farmhouse Imperial Stout
  - Whatever Farmhouse and Wild Ales they have out
  - Anything else you see from them, apparently
  
- Austin Beerworks
  - Fire Eagle IPA
  - Heavy Machinery Double IPA
  - Peacemaker Pale Ale
  - Blackthunder Schwarzbier

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credit_card = ActiveMerchant::Billing::CreditCard.new(cc_number, cc_info_hash)
gateway = ActiveMerchant::Billing::CardinalCentinelGateway.new(
  ProcessorId: '123',
  MerchantId: '456',
  TransactionPwd: 'p4ssw0rd'
)

lookup_response = gateway.authorize(amount, credit_card)

if lookup_response.enrolled?

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def by_path(ancestry) do
  Enum.reduce(ancestry, App.Node, fn (ancestor, query) ->
    query
    |> join(:inner, [n], n1 in App.Node, n1.id == n.parent_id)
    |> where([n], n.key == ^ancestor) # This is where I'm stuck, all the where's are n0."key", see line 14
  end)
end

# Here is the resulting SQL:
SELECT n0."id", n0."key", n0."project_id", n0."type", n0."parent_id"

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# Not tail recursive and uses ++ :(
defmodule Quicksort do
  def sort([]), do: []
  
  def sort([head | rest]) do
    {before, after} = Enum.partition(rest, &(&1 < head))
    sort(before) ++ [head] ++ sort(after)
  end
end

rbishop

Generate a new Elixir project using mix and add cowboy and plug as dependencies in mix.exs:

  defp deps do
    [
      {:cowboy, "~> 1.0.0"},
      {:plug, "~> 0.8.1"}
    ]
  end

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defmodule ListOp do
  def flatten([head | tail]), do: flatten(tail, [head])
  def flatten([], acc), do: Enum.reverse(acc)
  def flatten([ [head | []] | tail], acc), do: flatten(tail, [head | acc])
  def flatten([ [head | rest] | tail], acc), do: flatten(flatten([rest | tail], [head | acc]))
  def flatten([head | tail], acc), do: flatten(tail, [head | acc])
end