afronski

#!/usr/bin/env python

import sys
from http.server import HTTPServer, SimpleHTTPRequestHandler, test as test_orig
    
def test (*args):
    test_orig(*args, port=int(sys.argv[1]) if len(sys.argv) > 1 else 8000)

class CORSRequestHandler (SimpleHTTPRequestHandler):
    def end_headers (self):

afronski

Keybase proof

I hereby claim:

• I am afronski on github.
• I am afronski (https://keybase.io/afronski) on keybase.
• I have a public key ASDzk7ZT2h6mIc7nADkrOkxs1_EFcFmPVW_cPIpi3-tP4Ao

To claim this, I am signing this object:

afronski

Using OTP's observer (appmon replacement) remotely

$ ssh remote-host "epmd -names"
epmd: up and running on port 4369 with data:
name some_node at port 58769

Note the running on port for epmd itself and the port of the node you're interested in debugging. Reconnect to the remote host with these ports forwarded:

$ ssh -L 4369:localhost:4369 -L 58769:localhost:58769 remote-host

afronski

How to Install Vector on Ubuntu 14

Vector is an on-host performance monitoring framework which exposes hand picked high resolution metrics to every engineer’s browser. More here.

Host machine

PCP Requirements

Vector requires PCP to collect data.

pkg-config

afronski

defmodule FizzBuzz do
  def transform(value) when rem(value, 15) == 0, do: "FizzBuzz"
  def transform(value) when rem(value, 3) == 0, do: "Fizz"
  def transform(value) when rem(value, 5) == 0, do: "Buzz"
  def transform(value), do: value

  def up_to(n) do
    1 .. n
    |> Enum.to_list
    |> Enum.map(&transform/1)