gistfile1.txt

//callbacks

Foo.find({size : 'large'},function(err,data){

  if(err){ //something went wrong}
  
  else if(data){ //found some data}
  
  else { //no data found}

})


//alternately, with named callbacks

function queryResponseHandler(err,callback){}

Foo.find({size : 'large'},queryResponseHandler)


//in sails / express req/res context :

someroute : function(req,res){

  Foo.find({size: 'large'},function(err,data){
  
    res.json({foos : data})
  
  
  })




}