Answer by Frank van Puffelen for Firebase Realtime Database Update Many Nodes...
To update a value in Firebase Realtime Database, you will need to know its complete path. The Firebase Database does not support update queries, where you pass a condition and a calculation or value to...
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I have a chat app and want to create a count of unread messages. Basically something like this if user1 were to be sending the message. Is there some way to loop through all users to update vs having...
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