theoretick

iex(1)> defmodule Foo do
...(1)>   defp bar do
...(1)>     "bar"
...(1)>   end
...(1)> end
iex:2: warning: function bar/0 is unused
{:module, Foo,
 <<70, 79, 82, 49, 0, 0, 3, 168, 66, 69, 65, 77, 69, 120, 68, 99, 0, 0, 0, 94, 131, 104, 2, 100, 0, 14, 101, 108, 105, 120, 105, 114, 95, 100, 111, 99, 115, 95, 118, 49, 108, 0, 0, 0, 4, 104, 2, ...>>,
 {:bar, 0}}
iex(2)> defmodule Derp do

theoretick

#! /bin/bash
#
# Based on http://www.gab.lc/articles/migration_postgresql_9-3_to_9-4
#

# Make sure only root can run our script
if [ "$(id -u)" != "0" ]; then
   echo "This script must be run as root" 1>&2
   exit 1
fi

theoretick

#!/bin/sh
### BEGIN INIT INFO
# Provides:          puma
# Required-Start:    $remote_fs $network $syslog
# Required-Stop:     $remote_fs $network $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start daemon at boot time
# Description:       Enable service provided by daemon.
### END INIT INFO

theoretick

Notes on deploying Elixir, Erlang, and OTP apps with exrm and conform

---

• how exrm generates a release (with conform)
• why conform?
• how conform uses *.conf and schema
• exrm's mix release cycle (build on relx -> erlang release mgmt)
• Terminology

theoretick

iex(1)> defmodule Util do
...(1)>   def tap(input, func) do
...(1)>     func.(input)
...(1)>     input
...(1)>   end
...(1)> end
{:module, Util,
 <<70, 79, 82, 49, 0, 0, 4, 212, 66, 69, 65, 77, 69, 120, 68, 99, 0, 0, 0, 164, 131, 104, 2, 100, 0, 14, 101, 108, 105, 120, 105, 114, 95, 100, 111, 99, 115, 95, 118, 49, 108, 0, 0, 0, 4, 104, 2, ...>>,
 {:tap, 2}}
iex(2)> import Util

theoretick

-- quiet outputs for setting these on psql start
\set QUIET 1

-- Custom Prompt
--   %M refers to the database server's hostname -- is "[local]" if the connection is over a Unix domain socket
--   %> refers to the listening port
--   %n refers to the session username
--   %/ refers the current database
--   %R refers to whether you're in single-line mode (^) or disconnected (!) but is normally =

theoretick

10:21:48 $ irb
irb(main):001:0> module FooA
irb(main):002:1>   BAR = "bar"
irb(main):003:1> end
=> "bar"
irb(main):004:0> FooA::BAR
=> "bar"
irb(main):005:0> module FooB
irb(main):006:1>   class << self
irb(main):007:2>     BAR = "bar"

theoretick

#!/bin bash

function dammit_bundler() {
  bundle clean
  bundle install
}

function dammit_npm() {
  rm -fr ./node_modules/
  npm cache clean -f

theoretick

#!/bin bash
function rbcheck() {
  find . -name "*.rb" -exec ruby -wc {} \; 2>&1 | grep -v "Syntax OK\|: warning:"
}

theoretick

theoretick@li1316-219:/etc/nginx/sites-enabled$ cat discuss_it
server {
    listen 80 default;

    server_name www.discussitapp.com discussitapp.com;

    location / {
      #proxy_pass http://sinatra;
      proxy_pass http://localhost:3000;
    }