electricjesus

// automatic creditcard detection  @Seth Malaki `Electric Jesus` (c) 2012
// returns credit type on success. returns null if either unsupported or fails checksum validation (Luhn algorithm).

function getCreditCardType(accountNumber, doVerify)
{  
	var typeKey = null;
	// inspect account number, no dashes
	var creditCardInspectors = {
		VI : /^4\d{3}-?\d{4}-?\d{4}-?\d{4}$/,		// Visa
		MC : /^5[1-5][0-9]{14}$/,					// Mastercard

electricjesus

// Level 1 mission
// The code does not execute properly. Try to figure out why.

function multiply(a, b){
  a * b
}

// Level 2 mission
//2. Correct this code, so that the greet function returns the expected value.

electricjesus

<?php 
header("Cache-Control: no-cache, must-revalidate"); 
header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
header("Content-type: application/json");

require_once "app/Mage.php";

Mage::app($_SERVER['MAGE_RUN_CODE'], $_SERVER['MAGE_RUN_TYPE']);

$resource = Mage::getSingleton('core/resource');

electricjesus

/* Functional Programming 101 


 1.) Create a function 'last' that has the following use cases:

 - last("abc")			// --> outputs "c"
 - last(1,2,3,"D")		// --> outputs "D"
 - last([1,2,3,4])		// --> outputs 4

electricjesus

Calico Application Layer Policy via Helm

1. follow install steps here, EXCEPT the Install Istio part.

2. install istio-base via helm

   • kubectl create ns istio-system
   • helm install istio-base istio/base -n istio-system --wait

   and then choose one of the below options (marked with OPTION)