node.js - Try to Intersect JSON Array -

-

i need intersect query result. after intersection data want use in page.

this data : (i store data in variable "hasilget") 

[     {         "_id" : "2017-05-22",         "kamar" : [             [                 {                     "_id" : objectid("570f5095c8dbf1045d7fe9b3"),                     "namkam" : "vip one",                     "idtipe" : objectid("57023e5e36b35501f17ea5c6")                 }             ],             [                 {                     "_id" : objectid("570f509dc8dbf1035d7fe9b5"),                     "namkam" : "vip two",                     "idtipe" : objectid("57023e5e36b37601f17ea5c6")                 }             ]         ]     },      {         "_id" : "2017-05-23",         "kamar" : [             [                 {                     "_id" : objectid("570f5095c8dbf1045d7fe9b3"),                     "namkam" : "vip one",                     "idtipe" : objectid("57023e5e36b35501f17ea5c6")                 }             ]         ]     } ]

i have try use "array-intersection" npm.

var inter = intersection(hasilget); console.log("hasil "+json.stringify(inter));

but problem output still result. intersection function not working.

please guide me.


Comments

Post a Comment

Popular posts from this blog

Django REST Framework perform_create: You cannot call `.save()` after accessing `serializer.data` -

-
i have following viewset: class artistprofileviewset(viewsets.modelviewset): queryset = artistprofile.objects.all() serializer_class = artistprofileserializer def perform_create(self, serializer): if serializer.is_valid(): serializer.save() with following serializers: class simpleartisttrackserializer(serializers.hyperlinkedmodelserializer): class meta: model = artisttrack fields = (...my fields...) class artistprofileserializer(serializers.hyperlinkedmodelserializer): owners = userserializer(many=true, required=false) tracks = simpleartisttrackserializer(many=true, required=false) class meta: model = artistprofile fields = (...my fields...) i getting following error: assertionerror: cannot call `.save()` after accessing `serializer.data`.if need access data before committing database inspect 'serializer.validated_data' instead. i don't see editing serializer.data object. th...
Read more

Why does Go error when trying to marshal this JSON? -

-
i'm trying rather simple example of trying decode json file structs using golang. however, when attempting error that json: cannot unmarshal object go value of type []main.track which don't understand. here's code in question, , json can found here . package main import ( "encoding/json" "fmt" "net/http" "os" ) // tracks group of track types type tracks struct { tracks []track } // track represents singular track type track struct { name string url string artist artist } // artist represents single artist type artist struct { name string mbid string url string } func main() { url := "http://ws.audioscrobbler.com/2.0/?method=geo.gettoptracks&api_key=c1572082105bd40d247836b5c1819623&format=json&country=netherlands" response, err := http.get(url) if err != nil { fmt.printf("%s\n", err) os.exit(1) } de...
Read more