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Currently, I am writing a cloud function, i need a way to get the device id tokens of some devices, which i have stored in a field of a collection in a document.
How can I access it?
Please help, i'm stuck at this.
You can try code:
firebaseMessaging.getToken().then((token) {
Firestore.instance.collection('collectionName').document(currentUserId).updateData({'pushToken': token});
})
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I have a file with 120k records and the key is the username. I want to delete records for some username.
Delete all records for username in "ABC","dd","EEE" etc.
I am using R language
You could also use this.
df1[!(df1$username %in% c("ABC","dd","EEE")),]
df1[!(df1$username %in% c("ABC","dd","EEE")),]
Let me know if its still not working.
~Ashish
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just wondering how to retrieve data writed by a specific user using angular2 and firebase without using filter and map. if there is a way.
I think that you could use the equalTo query:
var ref = new Firebase('https://something.firebaseio.com/posts');
ref.orderByChild('sender').equalTo('some user').on("child_added", (snapshot) => {
console.log(snapshot.key());
});
In this case, a sender attribute must be present
See this link for more details:
https://www.firebase.com/docs/web/api/query/equalto.html
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I want to add a sticker package from software to Telegram. I do not know how to do this. How can I do this using an API?
you can use the #Stickers bot or https://core.telegram.org/bots/api#stickers
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when ever the user make login by facebook or google it return data but it does not save it in fields added to registration form like full name and gender and so on , It only save the data into the users table it save the email and username what is the problem and what should i do too please some one give me an answer
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I want to write an application that stores the contact list records, that user enters, so that the user will later be able to import them from within Symbian (and/or Android) phone. What I'm asking is: is this possible and if so, what the format of stores should be in order to import records? Any help is appreciated.
Yes, it is possible. What you need is the Contacts API. You can find answers to your questions in the documentation.