MongoDB Exercise in mongo shell
Connect to a running mongo instance, use a database named mongo_practice
.
use mongo_practice
var BASE64_MARKER = ';base64,'; | |
function convertDataURIToBinary(dataURI) { | |
var base64Index = dataURI.indexOf(BASE64_MARKER) + BASE64_MARKER.length; | |
var base64 = dataURI.substring(base64Index); | |
var raw = window.atob(base64); | |
var rawLength = raw.length; | |
var array = new Uint8Array(new ArrayBuffer(rawLength)); | |
for(i = 0; i < rawLength; i++) { |