I am trying to initialize Firebase in flutter project. I use FutureBuilder to load this function: static Future initializeFirebase({required BuildContext context}) async { try { FirebaseApp firebaseApp = await Firebase.initializeApp( options: FirebaseOptions( apiKey: "abc", authDomain: "def", projectId: "ghi", storageBucket: "jkl",…
If the property to be calculated only requires one statement, it is pretty simple let object = { array: new Array(10) }; Alternatively I can also do the following (though I don't like it as much) let object = {};…
I get this error after writing this code. Non-nullable instance field '_cardResults' must be initialized. Try adding an initializer expression, or add a field initializer in this constructor, or mark it. When I try to add the late initializer and…
How to initialize view models after a singleton in swiftUI? I have an app in swiftUI. There are two views: ClassPosts View, where users can see posts made in their class at university, and a use profile view, where users…
I want to use the result of a react-query v3 useQuery statement to possibly stop refetching, depending on the result. Therefore I'd use the response data object in the QueryOptions to determine the enabled value: const { isLoading, data }…
Beginner programmer here. Recently I noticed that my program was using a truly excessive amount of memory, as reported by Visual Studio. Pic for reference: Way too much memory I determined that the problem was a loop where a new…
Getting Firebase exception in flutter code about initialisation. I have already initialised it in main function. getting error on first line of code where fire store collection initialised. import 'package:cloud_firestore/cloud_firestore.dart'; import 'package:xuriti/models/core/user_details.dart'; class UserInfoService{ CollectionReference userInfoCollection = FirebaseFirestore.instance.collection('userInfo'); UserDetails userDetails…
I have a dart page voterhome(like dashboard),at first when I arrive at voterhome it will call the getuserdetails() function and get the adhar of user to pass it to other pages so I can navigate to other pages (like vote,voteregister…
I have a custom UICollectionViewCell that I use in two places throughout my project. Both UICollectionViewCell's are the same apart from showing a UIButton. To reduce duplication of code I want to use the cell in both places but initialize…
I have a late property(_bmi) set to null by default and then I initialize it in a method calcBMI(), after its initialization, I use its value in two more methods, result and interpretation to fulfill some bool conditions, but I…