Robert Murray rob-murray

## rails new skip
rails new app_name \
  --database=postgresql \
  --skip-action-cable --skip-action-mailer --skip-active-storage \
  --skip-sprockets --skip-action-mailbox --skip-action-text \
  --skip-bundle --skip-keeps --skip-spring --skip-test \
  --skip-coffee --skip-system-test --skip-turbolinks


## pi-docker.sh
#!/bin/bash

# https://github.com/pi-hole/docker-pi-hole/blob/master/README.md

docker run -d \
    --name pihole \
    -p 53:53/tcp -p 53:53/udp \
    -p 80:80 \
    -p 443:443 \
    -e TZ="Europe/London" \

## .haml-lint.yml
linters:
  LineLength:
    max: 40

## fix macos default icons
sudo rm -rfv /Library/Caches/com.apple.iconservices.store; sudo find /private/var/folders/ \( -name com.apple.dock.iconcache -or -name com.apple.iconservices \) -exec rm -rfv {} \; ; sleep 3; killall Dock; killall Finder

## pi_fix_chrome.sh
#!/usr/bin/sh
# Wait for a bit and then click in the top right of the screen to turn off the "chrome did not shut down properly" popup.

sleep 10

export DISPLAY=":0"
xdotool mousemove 1905 20 # change co-ords to suit
xdotool click 1

## lendingbot.service
[Unit]
Description=LendingBot service
After=network.target

[Service]
Type=simple
ExecStart=/usr/bin/python <CODE_DIR>/lendingbot.py
WorkingDirectory=<CODE_DIR>
RestartSec=10
Restart=on-failure

## pg_enums.sql
select n.nspname as enum_schema,
       t.typname as enum_name,
       string_agg(e.enumlabel, ', ') as enum_values
from pg_type t
   join pg_enum e on t.oid = e.enumtypid
   join pg_catalog.pg_namespace n ON n.oid = t.typnamespace
group by n.nspname, t.typname
order by enum_name;

## db_force_drop.rake
desc "Kill and block incoming connections and then drop the current environment's  database."
task "db:force_drop" => "environment" do
  if Rails.env.production? && ENV["DISABLE_DATABASE_ENVIRONMENT_CHECK"] !~ /true|1/
    raise "Cannot drop the production database. Disable this with 'DISABLE_DATABASE_ENVIRONMENT_CHECK=true'"
  end
  db_config = Rails.configuration.database_configuration[Rails.env]
  db_name = db_config.fetch("database")

  kill_postgres_connections_sql = <<-SQL
    SELECT pg_terminate_backend(pg_stat_activity.pid)

## install_ruby.md

      
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                rob-murray
                / install_ruby.md
            
            
              Last active Nov 1, 2017
            
              
                Install Ruby
              
          
      View install_ruby.md
  
    
    How to install Ruby
MacOS
MacOS High Sierra has Ruby 2.3 installed and El Capitan has Ruby 2.0 - both these should be sufficient for most exercises, but if you would like to install a different version or have an older operating system then follow the instructions below.

Note: these instructions may vary between laptops depending on existing configuration.


Install Xcode command line tools / accept licence


## class_initer.rb
# Dynamically instantiate classes by method call, recursive until method call is a class to work with Modules
# Given classes Foo and Bar::Foo exist
#
# app.foo => Foo.new
# app.bar.foo => Bar::Foo.new
#
# Note: requires classes to be pre-required/loaded - ie will not work with Rails
# lazy class loading
#
class App
	rails new app_name \
	--database=postgresql \
	--skip-action-cable --skip-action-mailer --skip-active-storage \
	--skip-sprockets --skip-action-mailbox --skip-action-text \
	--skip-bundle --skip-keeps --skip-spring --skip-test \
	--skip-coffee --skip-system-test --skip-turbolinks
	#!/bin/bash

	# https://github.com/pi-hole/docker-pi-hole/blob/master/README.md

	docker run -d \
	--name pihole \
	-p 53:53/tcp -p 53:53/udp \
	-p 80:80 \
	-p 443:443 \
	-e TZ="Europe/London" \
	#!/usr/bin/sh
	# Wait for a bit and then click in the top right of the screen to turn off the "chrome did not shut down properly" popup.

	sleep 10

	export DISPLAY=":0"
	xdotool mousemove 1905 20 # change co-ords to suit
	xdotool click 1
	[Unit]
	Description=LendingBot service
	After=network.target

	[Service]
	Type=simple
	ExecStart=/usr/bin/python <CODE_DIR>/lendingbot.py
	WorkingDirectory=<CODE_DIR>
	RestartSec=10
	Restart=on-failure
	select n.nspname as enum_schema,
	t.typname as enum_name,
	string_agg(e.enumlabel, ', ') as enum_values
	from pg_type t
	join pg_enum e on t.oid = e.enumtypid
	join pg_catalog.pg_namespace n ON n.oid = t.typnamespace
	group by n.nspname, t.typname
	order by enum_name;
	desc "Kill and block incoming connections and then drop the current environment's database."
	task "db:force_drop" => "environment" do
	if Rails.env.production? && ENV["DISABLE_DATABASE_ENVIRONMENT_CHECK"] !~ /true\|1/
	raise "Cannot drop the production database. Disable this with 'DISABLE_DATABASE_ENVIRONMENT_CHECK=true'"
	end
	db_config = Rails.configuration.database_configuration[Rails.env]
	db_name = db_config.fetch("database")

	kill_postgres_connections_sql = <<-SQL
	SELECT pg_terminate_backend(pg_stat_activity.pid)
	# Dynamically instantiate classes by method call, recursive until method call is a class to work with Modules
	# Given classes Foo and Bar::Foo exist
	#
	# app.foo => Foo.new
	# app.bar.foo => Bar::Foo.new
	#
	# Note: requires classes to be pre-required/loaded - ie will not work with Rails
	# lazy class loading
	#
	class App