Bruce Wong CelesteComet

Credit Card Regex

Amex Card: ^3[47][0-9]{13}$
BCGlobal: ^(6541|6556)[0-9]{12}$
Carte Blanche Card: ^389[0-9]{11}$
Diners Club Card: ^3(?:0[0-5]|[68][0-9])[0-9]{11}$
Discover Card: ^65[4-9][0-9]{13}|64[4-9][0-9]{13}|6011[0-9]{12}|(622(?:12[6-9]|1[3-9][0-9]|[2-8][0-9][0-9]|9[01][0-9]|92[0-5])[0-9]{10})$
Insta Payment Card: ^63[7-9][0-9]{13}$
JCB Card: ^(?:2131|1800|35\d{3})\d{11}$
KoreanLocalCard: ^9[0-9]{15}$

Change your database RDS instance security group to allow your machine to access it.
- Add your ip to the security group to acces the instance via Postgres.
Make a copy of the database using pg_dump
- $ pg_dump -h <public dns> -U <my username> -f <name of dump file .sql> <name of my database>
- you will be asked for postgressql password.
- a dump file(.sql) will be created
Restore that dump file to your local database.
- but you might need to drop the database and create it first
- $ psql -U <postgresql username> -d <database name> -f <dump file that you want to restore>

	def to_currency(string)
	dollarified = ""
	# returns dollars and cents in string format
	dollars = string.split(".")[0].to_s
	cents = string.split(".")[1]

	# .23
	if cents
	cents = ("." + cents).to_f.round(2).to_s.split(".")[1].ljust(2,"0")
	dollarified += ("." + cents)

	=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')

	# Mac OS X Lion introduced a new, iOS-like context menu when you press and hold a key
	# that enables you to choose a character from a menu of options. If you are on Lion
	# try it by pressing and holding down 'e' in any app that uses the default NSTextField
	# for input.
	#
	# It's a nice feature and continues the blending of Mac OS X and iOS features. However,
	# it's a nightmare to deal with in Sublime Text if you're running Vintage (Vim) mode,
	# as it means you cannot press and hold h/j/k/l to move through your file. You have
	# to repeatedly press the keys to navigate.

	class ChannelChannel < ApplicationCable::Channel
	def subscribed
	stream_from "channel_#{params[:channel_name]}"
	end
	end

	require_relative "heap"

	class Array
	def heap_sort!
	# Create a heap
	heap = BinaryMinHeap.new

	# make an array to keep the sorted elements
	sorted = []

	function cpfValidate(str) {
	let match = str.match(/^(\d{9})-(\d{2})$/);
	if (!match) { return false }

	// If in the correct format
	let firstSetString = match[1];
	let secondSetString = match[2];
	let sum = 0;

	for (let i = 0; i < firstSetString.length; i++) {