Answers for "mongoose find get nested prop only"

mongoose find get nested prop only

ListModel.findOne({
	"_id" : "57e6bcab6b383120f0395aed", 'recipients.status' : 1
  },
  {
  	_id:1, name: 1, subject:1,'recipients.$': 1
   },
   function(err,list) {...}
);

mongoose select nested

var fields = { 'properties.OBJECTID': 1, 'properties.TIMESTAMP': 1 };
var query = Feature.find({id: 1}).select(fields);

mongoose nested object without id

var subSchema = mongoose.Schema({
    //your subschema content
},{ _id : false });

mongoose find by nested property

System.findOne({ 'nodes.main.Alpha': 23000}, function(err, system){
   if(err){console.log(err);}
   else{console.log(system);}
 });

how to delete popultate subdocument mongoose

exports.feed = function (req, res) {
  var userIds = req.user.friends;

  Surf
    .find({user_id: {$in: userIds}})
    .populate('user_id', 'name boards') // added boards
    .populate('friends', 'name')
    // .populate('board_id', 'name size') // can't do this as discussed
    .exec(function (err, surfs) {
      if (err) {
        return handleError(res, err);
      }

      surfs.forEach(function (surf) {
        surf.boardInfo = surf.user_id.boards.id(surf.board_id)
      });
      // TODO: now remove the surf.user_id.boards.
      return res.json(200, surfs);
    });

};