hotdang-ca

import 'dart:math';

double roundDouble(double value, double places) { 
   num mod = pow(10.0, places); 
   return ((value * mod).round().toDouble() / mod); 
}

extension BetterDoubles on num {
  num roundAsDoubleBetter(double places) {
    final num mod = pow(10.0, places); 

hotdang-ca

void main() {
   ten:while(true) {
      print('Hello world!');
      continue ten;
      break;
   }
}

hotdang-ca

import 'dart:async';
import 'dart:io';
import 'dart:isolate';

void main(List<String> arguments) async {
  ReceivePort receivePort = ReceivePort();

  Isolate fooIsolate = await Isolate.spawn(foo, receivePort.sendPort);
  Isolate barIsolate = await Isolate.spawn(bar, receivePort.sendPort);
  Isolate fooBarIsolate = await Isolate.spawn(fooBar, receivePort.sendPort);

hotdang-ca

class Cannabis {
  final String uom;
  final num p;
  
  Cannabis(this.uom, this.p);
}

void main() {
  List<Cannabis> product = [
    Cannabis('%', 5),

hotdang-ca

void main() {
  BvItem test1Item = BvItem(netSize: 1);
  BvItem test2Item = BvItem(netSize: 6);
  BvItem test3Item = BvItem(netSize: 7);
  BvItem test4Item = BvItem(netSize: 8);
  BvItem test5Item = BvItem(netSize: 14);
  BvItem test6Item = BvItem(netSize: 15);
  BvItem test7Item = BvItem(); // yes, null.
  
  num? netSizeA = isGrouped(test1Item) ?? (test1Item.netSize ?? -1);

hotdang-ca

import 'dart:convert';

class Product {
  String name;
  Product({ required this.name });
  
  Map<String, dynamic> toJson() {
    const json = <String, dynamic>{};
    
    json['name'] = name;

hotdang-ca

void main() {
  List<String> uninitializedList;
  
  try {
    if (uninitializedList?.length == 1) {
      print('Length is equal to 1, not equal to null.');
    } else {
      print('Length is not equal to 1, it is equal to null');
    }
    

hotdang-ca

import 'package:flutter/material.dart';
import 'dart:async';
import 'dart:math';

void main() {
  runApp(MyApp());
}

class RandomNumberStream {
  final StreamController<int> _nextRandomNumberController = StreamController<int>();

hotdang-ca

/// Oct 23, 2020
/// Updated March 17, 2021
/// (c) 2020 James Robert Perih c/o Four And A Half Giraffes, Ltd.

void main() {
  const int theStart = 1;
  const int theEnd = 100;

  DartFlutterOutputFactory().printIteration(
    from: theStart,

hotdang-ca

/// Describes a television screen resolution
class ResolutionSize {
  /// The natural width of this resolution
  final int width;
  
  /// The natural height of this resolution
  final int height;
  
  /// A shorter technical name
  final String name;