jefflunt’s gists

jefflunt / open_notification.rb

Created March 15, 2011 15:51

models/controllers for FeelGoodTrader.com notification system

	class OpenNotification < ActiveRecord::Base

	belongs_to :user
	belongs_to :listing

	validates_presence_of :user_id
	validates_presence_of :listing_id
	validates_uniqueness_of :listing_id, :scope => :user_id
	validate :a_user_cannot_get_a_notification_for_their_own_listing

jefflunt / gist:1043635

Created June 23, 2011 21:09

Sample XML for StackOverflow question

	XML response for the main grid (translationsFeed):

	<?xml version='1.0' encoding='utf-8'?><rows><page>1</page><total>1</total><records>10</records><row id='2'><cell><![CDATA[2]]></cell><cell><![CDATA[6]]></cell><cell><![CDATA[EN]]></cell><cell><![CDATA[Cheese]]></cell><cell><![CDATA[It's cheesy goodness!]]></cell><cell>2011-06-20 14:53:52</cell><cell>2011-06-23 12:28:39</cell><cell><![CDATA[No]]></cell></row><row id='1'><cell><![CDATA[1]]></cell><cell><![CDATA[]]></cell><cell><![CDATA[EN]]></cell><cell><![CDATA[Hello!]]></cell><cell><![CDATA[]]></cell><cell></cell><cell></cell><cell><![CDATA[No]]></cell></row><row id='5'><cell><![CDATA[5]]></cell><cell><![CDATA[]]></cell><cell><![CDATA[EN]]></cell><cell><![CDATA[How are you feeling today?]]></cell><cell><![CDATA[]]></cell><cell></cell><cell></cell><cell><![CDATA[No]]></cell></row><row id='4'><cell><![CDATA[4]]></cell><cell><![CDATA[]]></cell><cell><![CDATA[EN]]></cell><cell><![CDATA[How much does this cost?]]></cell><cell><![CDATA[]]></cell><cell></cell><cell

jefflunt / summarized order.rb

Created May 15, 2013 18:24

Order model - after

	class Order < ActiveRecord::Base

	# This array includes the list of possible states that an Order can be in. These reflect the steps
	# that an order goes through from placement to fulfilment.
	#
	# nil The initial state of any Order record
	# checking_terminals Checking if the terminals involved in this order are online
	# terminals_offline One of more of the printers/terminals for this order are offline
	# charging Attempting to charge the customer's credit card via BrainTree
	# failed_to_charge BrainTree returned an error

jefflunt / summarized order.rb

Created May 15, 2013 18:24

Order model - before

	class Order < ActiveRecord::Base

	...

	after_initialize :init
	before_validation :can_be_placed?
	before_save :process_transaction, :on => :create

	validates :customer_id,
	:company_id,

jefflunt / gist:6098923

Last active December 20, 2015 08:09

Sample SSH config

	# What ports, IPs and protocols we listen for
	Port 22
	Protocol 2

	# HostKeys for protocol version 2
	HostKey /etc/ssh/ssh_host_rsa_key
	HostKey /etc/ssh/ssh_host_dsa_key
	HostKey /etc/ssh/ssh_host_ecdsa_key

	UsePrivilegeSeparation yes

jefflunt / syslog

Created August 16, 2013 16:06

PPTP debug log

	pi@pi ~ $ tail -n 10000 /var/log/syslog
	Aug 6 15:40:00 pi pppd[1479]: Connection terminated.
	Aug 6 15:40:00 pi avahi-daemon[2868]: Withdrawing workstation service for ppp0.
	Aug 6 15:40:00 pi pppd[1479]: using channel 1815
	Aug 6 15:40:00 pi pppd[1479]: Using interface ppp0
	Aug 6 15:40:00 pi pppd[1479]: Connect: ppp0 <--> /dev/pts/0
	Aug 6 15:40:00 pi pptp[14671]: anon fatal[get_ip_address:pptp.c:437]: getaddrinfo(): Name or service not known
	Aug 6 15:40:00 pi pppd[1479]: Script pptp [VPN SERVER IP] --nolaunchpppd --debug finished (pid 14670), status = 0x1
	Aug 6 15:40:00 pi pppd[1479]: Modem hangup
	Aug 6 15:40:00 pi pppd[1479]: Connection terminated.

jefflunt / pptp-conf

Created August 16, 2013 16:41

pptp config file

	[lines containing credentials and VPN server IP address excluded]

	remotename PPTP
	require-mppe-128
	require-mschap-v2
	refuse-eap
	refuse-pap
	refuse-chap
	refuse-mschap
	noauth

jefflunt / game.rb

Created November 21, 2013 19:58

Bowling game scorer with visual score output and per-frame or aggregate scoring.

	# Contains a list of rolls that a bowling player throws, and from that can tell
	# you the score of the game in progress or finished, the visual score (with 'X'
	# and '/', etc.), and the score of any frame within the game.
	#
	# Examples:
	#
	# > g = Game.new
	# => []
	#
	# > g.roll(3)

jefflunt / order.rb

Last active January 3, 2016 01:09

Writing tests for AR validations

	class Order < ActiveRecord::Base

	...

	validates :customer_id,
	:company_id,
	:credit_card_id,
	:tip,
	:delivery_location,
	presence: true

jefflunt / Gemfile

Created February 23, 2014 23:36

Basic ruby script to pull active listings and match against a strategy every 300 milliseconds (max)

Jeff Lunt jefflunt