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# paths
app_path = "/home/deployer/qna"
working_directory "#{app_path}/current"
pid               "#{app_path}/current/tmp/pids/unicorn.pid"

# listen
listen "/tmp/unicorn.qna.sock", :backlog => 64

# logging
stderr_path "log/unicorn.stderr.log"

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=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')

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require 'restclient'

# RestClient logs using << which isn't supported by the Rails logger,
# so wrap it up with a little proxy object.
RestClient.log =
  Object.new.tap do |proxy|
    def proxy.<<(message)
      Rails.logger.info message
    end
  end

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mkdir -p /usr/local/etc/nginx/sites-{enabled,available}

File locations:

• nginx.conf to /usr/local/etc/nginx/
• default and default-ssl to /usr/local/etc/nginx/sites-available
• homebrew.mxcl.nginx.plist to /Library/LaunchDaemons/

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# activerecord-3.0.0/lib/active_record/connection_adapters/mysql_adapter.rb
# Maps logical Rails types to MySQL-specific data types.
def type_to_sql(type, limit = nil, precision = nil, scale = nil)
  return super unless type.to_s == 'integer'

  case limit
  when 1; 'tinyint'
  when 2; 'smallint'
  when 3; 'mediumint'
  when nil, 4, 11; 'int(11)'  # compatibility with MySQL default

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sudo apt-get update
sudo apt-get install -y apt-transport-https ca-certificates
sudo apt-key adv --keyserver hkp://ha.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
echo "deb https://apt.dockerproject.org/repo ubuntu-xenial main" | sudo tee /etc/apt/sources.list.d/docker.list
sudo apt-get update
sudo apt-get install -y linux-image-extra-$(uname -r) linux-image-extra-virtual
sudo apt-get install -y docker-engine
sudo curl -L "https://github.com/docker/compose/releases/download/1.9.0/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose
sudo groupadd docker

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Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

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If you want to use the latest available version of Squid, you can Build a Squid anonymous proxy from source code

Setup a Squid anonymous proxy

Table of contents

• Disclaimer
• Squid installation script
• Manage users

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Fenced code blocks inside ordered and unordered lists

1. This is a numbered list.

2. I'm going to include a fenced code block as part of this bullet:

   Code
   More Code
   

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package main

import (
	"context"
	"log"
	"net/http"
	"os"
	"os/signal"
	"time"
)