a-leung

(function(websocketClient, $, undefined) {
  var PING_INTERVAL = 42000,
      RECONNECT_INTERVAL = 10000,
      WEBSOCKET_URL = window.location.host + '/websocket';
  var config, reconnectInterval, keepAliveInterval, dispatcher;

  websocketClient.init = function(websocketConfig) {
    config = websocketConfig;
    setupDispatcher();
  };

a-leung

GUESS_RANGE = 100

guessNumber = rand(GUESS_RANGE)
puts "Guess the number! (Hint: between 0 and #{GUESS_RANGE})"
guessCount = 0

while (userGuess = gets.to_i) != guessNumber # keep getting more numbers

  # give out hints to the user
  puts 'Too high' if userGuess > guessNumber

a-leung

number = rand(10)
puts 'Guess the number!'
input = 'input number'

while input != number
  input = gets.to_i # keep getting more numbers
  # give out hints to the user
  if input > number
    puts 'Too high'
  end

a-leung

param[:attribute] = true

# model passes validation as model.attribute = true

a-leung

has_many model_B

before_save set_model_b_attributes

def set_model_b_attributes
  self.bs.each do |b|
    b.value = self.value
  end
end

a-leung

def set_new_name_on_items?
  success = ActiveRecord::Base.transaction do
    model.items.each do |i|
      i.name = 'new name'
      i.save or raise ActiveRecord::Rollback
    end
  !!success
end

a-leung

pg_restore: executing SEQUENCE SET key_configurations_id_seq
pg_restore: processing data for table "kiosk_scans"
out of memory

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def refund
  self.items

  ActiveRecord::Base.transaction do
    self.items.each { |i| i.update!(refund: true) }
  end
end

def refund_v2
  refundable_items = self.items.where(refund: false)

a-leung

gem 'stripe', '1.31.0'
require 'stripe'
Stripe.api_key = <insert API key here>

token = Stripe::Token.create(
  :card => {
    :number => "4242424242424242",
    :exp_month => 3,
    :exp_year => 2017,
    :cvc => "314"

a-leung

###################
# Prefix key setup
###################
set -g prefix C-a               # remap prefix to Control + a --> i'm old that way.
# bind 'C-a C-a' to type 'C-a'       
bind a send-prefix            # send 'C-a' into terminal app by typing: 'C-a a'
bind C-a last-window          # bounce between windows just by typing 'C-a C-a'
unbind C-b                    # get rid of C-b as prefix

########################