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dart language: Map<Object,String> how to add new pair?


dart language: Map<Object,String> how to add new pair?

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dart language: Map<Object,String> how to add new pair?
Tag : development , By : brij
Date : November 25 2020, 07:06 PM


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Convert a string from ISO-8859-2 to UTF-8 in the Dart language


Tag : dart , By : Senthil
Date : March 29 2020, 07:55 AM
I hope this helps . There's no built-in converter for ISO-8859-2 in dart:convert. So you have to implement your own codec.
You can look at the code of Latin1Codec to implement a Latin2Codec. Once ready you will be able to do :
import 'dart:convert';

final LATIN2 = new Latin2Codec();

main() {
  List<int> bytesForIso_8859_2 = ...;
  List<int> bytesForUTF8 = LATIN2.fuse(UTF8).encode(bytesForIso_8859_2);
}

Dart Language: how to convert a String into a Transferable (ByteBuffer)


Tag : dart , By : Tornike
Date : March 29 2020, 07:55 AM
wish helps you I'll be using window.postMessage("", "*", [transferableData]) to send data between two browser windows. However, I didn't find any straight answer on how to convert types into Transferables. ,
import 'dart:convert';

var list = Utf8.encode('xxx');
var data = list is Uint8List ? list.buffer : new Uint8List.fromList(list).buffer;
window.postMessage({'data': data}, '*', [data]);
var string = Utf8.decode(message.data['data']);

How to add a new pair to Map in Dart?


Tag : dart , By : marocchino
Date : March 29 2020, 07:55 AM
wish of those help I caught the following errors when adding a new pair to a Map. , To declare your map in Flutter you probably want final:
final Map<String, int> someMap = {
  "a": 1,
  "b": 2,
};
someMap["c"] = 3;
someMap.update("a", (value) => value + 100);
{a: 101, b: 2, c: 3}

How to sort a string list alphabetically in Dart language?


Tag : string , By : T11M
Date : March 29 2020, 07:55 AM
will be helpful for those in need I have 4 companies and each company has more than 10 branches. If a user chooses a company, I need to show the selected company branch using showDialog. Till here everything work as expected. My problem is that I cannot sort List alphabetically. ,
Flutter is an application development SDK
main() {
  List<String> _myBranchListName= ['k branch', 'a branch', 'f branch'];

  _myBranchListName.sort();
  print(_myBranchListName);

  //[a branch, f branch, k branch]
}

dart:json in Dart programming language


Tag : dart , By : rusl
Date : March 29 2020, 07:55 AM
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