How to get size of an element/list in Firebase without get it all?

by

More Related Contents:

  1. Firebase query if child of child contains a value
  2. How to write denormalized data in Firebase
  3. Delete firebase data older than 2 hours
  4. How to perform sql “LIKE” operation on firebase?
  5. Why Does Firebase Lose Reference outside the once() Function?
  6. Firebase Permission Denied
  7. firebase.database is not a function
  8. firebase query methods startAt() taking case sensitive parameters
  9. firebase -> date order reverse
  10. Getting the user id from a database trigger in Cloud Functions for Firebase?
  11. Firebase query by date string
  12. Firebase TIMESTAMP to date and Time
  13. Error: No Firebase App ‘[DEFAULT]’ has been created – call Firebase App.initializeApp()
  14. Firebase (2016) Shallow Query
  15. OR queries in Firebase
  16. Auto increment a value in firebase with javascript
  17. Firebase update vs set
  18. In Firebase when using push() How do I get the unique ID and store in my database [duplicate]
  19. Does Firebase cache the data?
  20. Firebase – Get Random Child From Database Node
  21. Is it possible to rename a key in the Firebase Realtime Database?
  22. orderByChild not working in Firebase
  23. Check if value exists in firebase DB
  24. Firebase HTTP Cloud Functions – Read database once
  25. How to run query from inside of Cloud function?
  26. How can I paginate in descending order by child value with firebase?
  27. Firebase TypeError: Cannot read property ‘val’ of undefined
  28. How to access multiple Realtime Database instances in Cloud Functions for Firebase
  29. How to protect firebase Cloud Function HTTP endpoint using authenticated id token and database rules?
  30. Sort firebase data in descending order using negative timestamp

Leave a Comment