Flutter Checkbox inside a form with Provider notification is not working

I have a checkbox which is rendered in a form (not defined as FormField as it doesn’t exist native for Flutter and trying to extend that didn’t work anyway): import ‘package:flutter/material.dart’; import ‘checkbox_form_field.dart’; import ‘package:sellertools/providers/money.dart’; import ‘package:provider/provider.dart’; class MoneyFormCheckbox<T extends Money> extends StatelessWidget { final String label; const MoneyFormCheckbox(this.label, {Key? key}) : super(key: key); @override… Read More Flutter Checkbox inside a form with Provider notification is not working

How to add an image to desktop notification using plyer (PYTHON)

How can I add an image to this message iteself (not change the icon)?: from plyer import notification notification.notify( title = ‘testing’, message = ”, app_icon = None, app_name = ‘Notifications’, timeout = 10, ) >Solution : Unfortunately Plyer does not offer to show images in the notification besides an icon. See How to create… Read More How to add an image to desktop notification using plyer (PYTHON)

Cannot change state of Array due to "Order and size of this array must remain constant" Error

Whenever I upload a new set of files React throws the following error: Warning: The final argument passed to useEffect changed size between renders. The order and size of this array must remain constant. Previous: [] Incoming: [[object Object]] Here is the code I am using: export default function Files({ onChange }) { // Step… Read More Cannot change state of Array due to "Order and size of this array must remain constant" Error

How to dispose subscription?

How can I dispose subscription if my class is not in StatefulWidge? Is there any method? class EventNotifier extends ValueNotifier<List<String>> { EventNotifier(List<String> value) : super(value); final List<String> events = [‘add’, ‘delete’, ‘edit’]; final stream = Stream.periodic(const Duration(seconds: 5)); late final streamSub = stream.listen( (event) { value.add( events[Random().nextInt(3)], ); notifyListeners(); }, ); } >Solution : I… Read More How to dispose subscription?

Why does the wait() method not trigger notifyAll()?

I’m new to Java multithreading and written a small program to test how the wait() and notifyAll() methods interact with each other. But why doesn’t this program work? package sample; public class Main { public static void main(String[] args) { new Thread(new MyWriter()).start(); new Thread(new MyReader()).start(); } } class MyReader implements Runnable { @Override public… Read More Why does the wait() method not trigger notifyAll()?