hubertlepicki

defmodule UI.Application do       
  use Application                                                              

  def start(_type, _args) do
    # List of children to be started when checks succeed
    delayed_children = [
      UI.Endpoint,
      {Absinthe.Subscription, UI.Endpoint}
    ]

hubertlepicki

query = "query {
  project(id: 1389) {
    id,
    slices {
      id,
      todos {
        id,
        title,
        description,
        progress,

hubertlepicki

For 2 people will need:

1. Spices
- 1 table spoon of red curry paste
- 2 anise stars
- 3 cardamom seeds
- 3 cloves
- 1 piece of cinnamon bark
- 1 long pepper
- 2 table spoons of garam masala

hubertlepicki

09:46:57.136 [error] #PID<0.600.0> running Todos.UI.Endpoint terminated
Server: localhost:4001 (http)
Request: POST /login
** (exit) an exception was raised:
    ** (DBConnection.ConnectionError) connection not available because of disconnection
        (db_connection) lib/db_connection.ex:926: DBConnection.checkout/2
        (db_connection) lib/db_connection.ex:742: DBConnection.run/3
        (db_connection) lib/db_connection.ex:584: DBConnection.prepare_execute/4 
        (ecto) lib/ecto/adapters/postgres/connection.ex:73: Ecto.Adapters.Postgres.Connection.prepare_execute/5
        (ecto) lib/ecto/adapters/sql.ex:256: Ecto.Adapters.SQL.sql_call/6

hubertlepicki

irb(main):029:0> Benchmark.bm do |x|
irb(main):030:1* x.report("Strings: ") { 10000000.times {"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa".hash} }
irb(main):031:1> x.report("Symbols: ") { 10000000.times {:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.hash} }
irb(main):032:1> end
       user     system      total        real
Strings:   1.290000   0.000000   1.290000 (  1.282911)
Symbols:   0.450000   0.000000   0.450000 (  0.458915)

hubertlepicki

FROM phusion/baseimage:0.9.22
CMD ["/sbin/my_init"]

RUN add-apt-repository -y ppa:brightbox/ruby-ng

RUN apt-get update
RUN apt-get install -y libpq-dev git-core curl zlib1g-dev build-essential libssl-dev libreadline-dev libyaml-dev libxml2-dev libxslt1-dev libcurl4-openssl-dev software-properties-common libffi-dev nodejs wget autoconf tzdata ruby2.4 ruby2.4-dev rubygems ruby-switch
RUN ruby-switch --set ruby2.4
RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

hubertlepicki

defmodule ParentServer do
  use GenServer
  import Supervisor.Spec

  def start_link() do
    GenServer.start_link(__MODULE__, nil, name: __MODULE__)
  end

  def init(_) do
    Process.flag(:trap_exit, true)

hubertlepicki

class ApplicationController < ActionController::Base
  ...
    
  around_action :use_request_cache, if: Proc.new {|c| request.get? }

  private

  def use_request_cache
    RequestCache.with_cache do
      yield

hubertlepicki

defmodule Bench do
  def bench do
    :timer.tc(fn -> Enum.reduce(Range.new(0, 10000000), 0, &Kernel.+/2) end) |> IO.inspect
    :timer.tc(fn -> Enum.reduce(Range.new(0, 10000000), 0, fn acc, n -> acc + n end) end) |> IO.inspect
    :timer.tc(fn -> Enum.reduce(Range.new(0, 10000000), 0, &(&1 + &2)) end) |> IO.inspect
    nil
  end
end

hubertlepicki

defmodule Files do
 def run do
   process_file File.read("hello.txt")
 end

 def process_file({:ok, contents}) do
   IO.puts "File contents are here:"
   IO.puts contents
 end