SteveAlexander

import 'dart:async';

void main(List<String> arguments) {
  var stop = false;
  final checkShouldStop = () {
    if (stop) {
      throw StopException();
    }
  };
  runZoned(

SteveAlexander

  String level0() {
    return "asd";
  }
  Future<String> level1Async() async {
    await Future.delayed(Duration(seconds: 1), () {});
    return "asd";
  }
  Iterable<String> level1Iteration() sync* {
    yield "a";

SteveAlexander

import 'dart:math' show Random, pow;

List<T> weightedShuffle<T>(List<T> items, List<num> weights, [Random rng]) {
  // See https://softwareengineering.stackexchange.com/questions/233541/how-to-implement-a-weighted-shuffle
  // and http://utopia.duth.gr/~pefraimi/research/data/2007EncOfAlg.pdf
  assert(items.length == weights.length);
  if (rng == null) rng = Random();
  final List<double> values = weights
      .map<double>((weight) => -pow(rng.nextDouble(), 1 / weight))
      .toList(growable: false);

SteveAlexander

1. In iTerm2, go to Settings -> Profiles -> Advanced -> Smart Selection -> Edit
2. Click + to add a rule with the following values:
   • Notes: Python traceback
   • Regular Expression: File "(.+)", line ([0-9]+), in .+
   • Precision: Very High
3. Click Edit Actions... and add an action to open in your editor. For example, if you use VS Code, add an action with the following values:
   • Title: Open in VS Code
   • Action: Run Command...

• Parameter: /usr/local/bin/code -r -g "\1":\2

SteveAlexander

$ flutter run --verbose
[  +34 ms] [/Users/steve/code/flutter/] git rev-parse --abbrev-ref --symbolic @{u}
[  +40 ms] Exit code 0 from: git rev-parse --abbrev-ref --symbolic @{u}
[        ] origin/dev
[        ] [/Users/steve/code/flutter/] git rev-parse --abbrev-ref HEAD
[  +12 ms] Exit code 0 from: git rev-parse --abbrev-ref HEAD
[        ] dev
[        ] [/Users/steve/code/flutter/] git ls-remote --get-url origin
[  +11 ms] Exit code 0 from: git ls-remote --get-url origin
[        ] https://github.com/flutter/flutter.git

SteveAlexander

import 'package:flutter/material.dart';

void main() {
  runApp(new MaterialApp(
    home: new DefaultTabController(
      length: 3,
      child: new SafeArea(
        child: new Scaffold(
          bottomNavigationBar: new Container(
            child: new TabBar(