:star: 748 | @darrylpargeter | http://www.freecodecamp.com/darrylpargeter
:star: 749 | @darrylpargeter | http://www.freecodecamp.com/darrylpargeter
db.collection('polls').findOne({
_id: ObjectID(currentPoll),
//votedBy: {$nin: currentUser._id },
votedBy: {$not: currentUser._id}
},function(err, poll) {
if(err) throw err;
if(poll != null) {
//do code below
$addToSet
:star: 344 | @natertot12 | http://www.freecodecamp.com/natertot12
use <database name>
db.polls.find({})
db.collection('polls').update({
_id: ObjectID(currentPoll)
}, {
$push: { votedBy: currentUser._id }
});