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let obj = { "key": "value" }; | |
let myString = obj.toString(); | |
console.log(myString); | |
// '[object Object]' | |
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let obj = { "key": "value" }; | |
let myString = JSON.stringify(obj); | |
console.log(myString); | |
// '{"key":"value"}' | |
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let obj = { "key": "value" }; | |
let myString = JSON.stringify(obj, null, 4); // 4 space indentations | |
console.log(myString); | |
// { | |
// "key": "value" | |
// } | |
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let obj = { "key": "value" }; | |
let myString = JSON.stringify(obj, null, '\t'); // tab | |
console.log(myString); | |
// { | |
// "key": "value" | |
// } | |
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let str = '{ "a": 123 }'; | |
let obj = JSON.parse(str); | |
console.log(obj); | |
// { a: 123 } | |
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import 'dart:async'; | |
import 'dart:isolate'; |
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Future<SendPort> initIsolate() async { | |
Completer completer = new Completer<SendPort>(); | |
ReceivePort isolateToMainStream = ReceivePort(); | |
isolateToMainStream.listen((data) { | |
if (data is SendPort) { | |
SendPort mainToIsolateStream = data; | |
completer.complete(mainToIsolateStream); | |
} else { | |
print('[isolateToMainStream] $data'); |
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void myIsolate(SendPort isolateToMainStream) { | |
ReceivePort mainToIsolateStream = ReceivePort(); | |
isolateToMainStream.send(mainToIsolateStream.sendPort); | |
mainToIsolateStream.listen((data) { | |
print('[mainToIsolateStream] $data'); | |
}); | |
isolateToMainStream.send('This is from myIsolate()'); | |
} |
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void main() async { | |
SendPort mainToIsolateStream = await initIsolate(); | |
mainToIsolateStream.send('This is from main()'); | |
} |
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// Example of bi-directional communication between a main thread and isolate. | |
import 'dart:io'; // for exit(); | |
import 'dart:async'; | |
import 'dart:isolate'; | |
Future<SendPort> initIsolate() async { | |
Completer completer = new Completer<SendPort>(); | |
ReceivePort isolateToMainStream = ReceivePort(); |
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