“PFEIL” Code-Antworten

PFEIL

$ sudo apt-get update
$ sudo apt-get install apt-transport-https
$ sudo sh -c 'wget -qO- https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add -'
$ sudo sh -c 'wget -qO- https://storage.googleapis.com/download.dartlang.org/linux/debian/dart_stable.list > /etc/apt/sources.list.d/dart_stable.list'
S.Mahdi

Pfeil

main(List<String> args) {
  var sum = 0;
  var given_list = [1, 2, 3, 4, 5];
  for (var i = 0; i < given_list.length; i++) {
    sum += given_list[i];
  }

  print("Sum (for loop): ${sum}");

  sum = 0;
  given_list.forEach((e) => sum += e);
  print("Sum (forEach): ${sum}");

  sum = given_list.reduce((value, element) => value + element);
  print("Sum (reduce): ${sum}");

  sum = given_list.fold(0, (previous, current) => previous + current);
  print("Sum (fold): ${sum}");
}
Grumpy Goldfinch

Pfeil

choco install dart-sdk
Big Jojo

Pfeil

Dart is a Programmign language mainly used for Flutter.
Tejas Naik

Pfeil

echo 'Internal Server Error';
Gifted Goldfinch

Pfeil

$ dart pub get
Quaint Quagga

Pfeil

var values = [
    {'userId': 1, 'rating': 4.5},
    {'userId': 2, 'rating': 4.0},
    {'userId': 3, 'rating': 3.5},
    {'userId': 4, 'rating': 3.0}
  ];

  var result = values.map((m) => m['rating']).reduce((a, b) => a + b) / values.length;
  print(result);
Courageous Crab

Pfeil

dart migrate --apply-changes
Quaint Quagga

Pfeil

flutter clean
flutter packages pub upgrade
flutter pub run build_runner build
Quaint Quagga

Pfeil

console.log(sass.info);
// dart-sass    1.32.10 (Sass Compiler) [Dart]
// dart2js  2.0.0   (Dart Compiler) [Dart]
Lovely Leopard

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