Gazler

sysctl -w fs.file-max=12000500
sysctl -w fs.nr_open=20000500
ulimit -n 4000000
sysctl -w net.ipv4.tcp_mem='10000000 10000000 10000000'
sysctl -w net.ipv4.tcp_rmem='1024 4096 16384'
sysctl -w net.ipv4.tcp_wmem='1024 4096 16384'
sysctl -w net.core.rmem_max=16384
sysctl -w net.core.wmem_max=16384
wget http://packages.erlang-solutions.com/erlang-solutions_1.0_all.deb
sudo dpkg -i erlang-solutions_1.0_all.deb

Gazler

defmodule MasterProxy do
  use Application

  # See http://elixir-lang.org/docs/stable/elixir/Application.html
  # for more information on OTP Applications
  def start(_type, _args) do
    import Supervisor.Spec, warn: false

    cowboy = Plug.Adapters.Cowboy.child_spec(:http, MasterProxy.Plug, [])

Gazler

difficulty 2

description "You need to fix a bug in the version 1.2 of your app. Checkout the tag `v1.2`."

setup do
  repo.init
  FileUtils.touch("app.rb")
  repo.add("app.rb")
  repo.commit_all("Initial commit")

Gazler

  * Install dependencies with `mix deps.get`<%= if ecto do %>
  * Create and migrate your database with `mix ecto.create && mix ecto.migrate`<% end %><%= if html do %>
  * Install Node.js dependencies with `npm install`<% end %>
  * Start Phoenix endpoint with `mix phoenix.server`

Gazler

{:new_transport_pid,
 [current_function: {Process, :info, 1}, initial_call: {:proc_lib, :init_p, 5},
  status: :running, message_queue_len: 0, messages: [], links: [#PID<0.249.0>],
  dictionary: ["$initial_call": {:cowboy_tls, :proc_lib_hack, 5},
   "$ancestors": [#PID<0.249.0>, #PID<0.248.0>, :ranch_sup, #PID<0.209.0>]],
  trap_exit: true, error_handler: :error_handler, priority: :normal,
  group_leader: #PID<0.208.0>, total_heap_size: 2208, heap_size: 1598,
  stack_size: 21, reductions: 1728,
  garbage_collection: [max_heap_size: %{error_logger: true, kill: true,
     size: 0}, min_bin_vheap_size: 46422, min_heap_size: 233,

Gazler

Keybase proof

I hereby claim:

• I am gazler on github.
• I am gazler (https://keybase.io/gazler) on keybase.
• I have a public key ASC34A5fIJLkSPcG8rrYwIvYCbzfb9hiktqZ8ES65JTX1go

To claim this, I am signing this object:

Gazler

(not in a group)
Phoenix
Phoenix.Digester
Phoenix.Logger
Phoenix.Naming
Phoenix.Token

CHANNELS AND TRANSPORTS
Phoenix.Channel
Phoenix.Presence

Gazler

const path = require('path');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');

module.exports = {
  entry: './js/app.js',
  stats: {
    colors: true,
    children: false,
    modules: false,

Gazler

defmodule Advent2018.Day5 do
  def solve(input) do
    parse_polymers(input, <<>>)
  end

  def parse_polymers(<<>>, acc), do: byte_size(acc)
  
  def parse_polymers(<<a, rest :: binary>>, <<b, seen :: binary>>) when abs(a-b) == 32 do
    parse_polymers(rest, seen)
  end

Gazler

defmodule Advent2018.Day5 do
  def solve(input) do
    parse_polymers(input, <<>>, nil)
  end

  def parse_polymers(<<>>, acc, _), do: byte_size(acc)

  def parse_polymers(
        <<a::size(2), _::size(1), b::size(5), rest::binary>>,
        seen,