dantswain

K-Means Clustering

The data

Mix.install([
  {:nx, "~> 0.1.0-dev", github: "elixir-nx/nx", sparse: "nx", override: true},
  {:vega_lite, "~> 0.1"},
  {:kino, "~> 0.3"}
])

dantswain

warning: the VM is running with native name encoding of latin1 which may cause Elixir to malfunction as it expects utf8. Please ensure your locale is set to UTF-8 (which can be verified by running "locale" in your shell)
warning: the VM is running with native name encoding of latin1 which may cause Elixir to malfunction as it expects utf8. Please ensure your locale is set to UTF-8 (which can be verified by running "locale" in your shell)
ok
vm.args needs to have either -name or -sname parameter.
+ uname
+ grep -q Darwin
++ readlink -f /usr/local/ourco/ourapp-1.1.3/releases/1.1.3/ourapp.sh
+ SCRIPT=/usr/local/ourco/ourapp-1.1.3/releases/1.1.3/ourapp.sh
++ dirname /usr/local/ourco/ourapp-1.1.3/releases/1.1.3/ourapp.sh
+ SCRIPT_DIR=/usr/local/ourco/ourapp-1.1.3/releases/1.1.3

dantswain

Keybase proof

I hereby claim:

• I am dantswain on github.
• I am dantswain (https://keybase.io/dantswain) on keybase.
• I have a public key whose fingerprint is 6C6B A60E D74A C07B 6124 F3DA A171 B2F0 C78D 87D4

To claim this, I am signing this object:

dantswain

namespace erl thrash

typedef i64 UgeInt

const i32 MAX_THINGS = 42

enum TacoType {
  BARBACOA = 123,
  CARNITAS = 124,
  STEAK = 125,

dantswain

iex(1)> KafkaEx.create_worker(:foo, uris: Application.get_env(:kafka_ex, :brokers), consumer_group: "bar")

14:53:54.712 [debug] Succesfully connected to "localhost" on port 9092

14:53:54.714 [debug] Succesfully connected to "localhost" on port 9093

14:53:54.716 [debug] Succesfully connected to "localhost" on port 9094
{:ok, #PID<0.138.0>}
iex(2)> Enum.each(1..1000, fn x -> KafkaEx.produce("foo", 0, "bar#{x}") end)
:ok

dantswain

#!/usr/bin/env elixir
# Convert an Elixir config.exs to an erlang sys.config
# 
# Usage:  elixir_to_sys_config config.exs > sys.config
#   First argument is the Elixir config.exs file
#   Writes to stdout
#   You probably want to set MIX_ENV accordingly
#
# 2015 by Dan Swain, dan.t.swain@gmail.com

dantswain

# encoding: utf-8

class Bar
  def initialize(name)
    @name = name
  end

  def hi
    puts "HI #{@name}"
  end

dantswain

To produce a string a la '2015-03-25' for the current date

In Ruby:

require 'date'
d = Date.today
puts d.to_s

In Javascript:

dantswain

% From http://stackoverflow.com/questions/12657202/
-export([first/3, first1/3]).

% My solution
first([E | Rest], Condition, Default) ->
  case Condition(E) of
    true -> E;
    false -> first(Rest, Condition, Default)
  end;
first([], _Cond, Default) -> Default.

dantswain

    if(AllocConsole())
    {
        freopen("CONOUT$", "wt", stdout);
		freopen("CONOUT$", "wt", stderr);

        SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 
                                FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_RED);

        fprintf(stdout, "\n");
        fprintf(stdout, " stdout/stderr Console\n");