Patrice Chalin chalin

chalin / main.dart

Created December 12, 2018 00:39

	import 'dart:convert';
	import 'dart:html';

	void main() {
	_getIPAddress() async {
	final url = 'https://httpbin.org/ip';
	var request = await HttpRequest.request(url);
	String ip = json.decode(request.responseText)['origin'];
	print(ip);
	}

chalin / main.dart

Last active December 5, 2018 18:20

Flutter for React Native devs: Dart Futures

	import 'dart:convert';
	import 'dart:html';

	void main() {
	_getIPAddress() {
	final url = 'https://httpbin.org/ip';
	Future<HttpRequest> request = HttpRequest.request(url);
	request.then((value) {
	print(json.decode(value.responseText)['origin']);
	}).catchError((error) => print(error));

chalin / main.dart

Created August 3, 2018 16:03

Sound Dart example

	void printInts(List<int> a) => print(a);

	void main() {
	var list = <int>[]; // Removing <int> results in a type error
	list.add(1);
	list.add(2);
	printInts(list);
	}

chalin / index.html

Last active October 3, 2019 21:47 — forked from Sfshaza/index.html

portmanteaux

	<!DOCTYPE html>
	<!--
	Copyright (c) 2012, the Dart project authors.
	Please see the AUTHORS file for details.
	All rights reserved. Use of this source code
	is governed by a BSD-style license that can be
	found in the LICENSE file.
	-->
	<html>

chalin / index.html

Last active September 28, 2019 11:36 — forked from Sfshaza/index.html

portmanteaux_simple

	<!DOCTYPE html>
	<!--
	Copyright (c) 2012, the Dart project authors.
	Please see the AUTHORS file for details.
	All rights reserved. Use of this source code
	is governed by a BSD-style license that can be
	found in the LICENSE file.
	-->
	<html>

chalin / index.html

Created June 26, 2018 15:07

its_all_about_you with dart2js error

	<!DOCTYPE html>

	<!--
	Copyright (c) 2012, the Dart project authors.
	Please see the AUTHORS file for details.
	All rights reserved. Use of this source code
	is governed by a BSD-style license that can be
	found in the LICENSE file.
	-->

chalin / index.html

Last active May 18, 2021 05:57 — forked from Sfshaza/index.html

its_all_about_you

	<!DOCTYPE html>

	<!--
	Copyright (c) 2012, the Dart project authors.
	Please see the AUTHORS file for details.
	All rights reserved. Use of this source code
	is governed by a BSD-style license that can be
	found in the LICENSE file.
	-->

chalin / main.dart

Created June 6, 2018 20:29

Uri.queryParametersAll() Dart 2 type error

	void main() {
	var uri = Uri.parse('https://foo.bar.com/this/is/a/path?foo=foo1&foo=foo2&bar=baz');
	print(uri);
	print(uri.queryParameters);
	// print(uri.queryParametersAll); // -> uncomment to see type error
	}

chalin / main.dart

Created June 5, 2018 09:03

Language Tour: Restricting the parameterized type

	// From https://www.dartlang.org/guides/language/language-tour#restricting-the-parameterized-type

	class SomeBaseClass {}

	// T must be SomeBaseClass or one of its descendants.
	class Foo<T extends SomeBaseClass> {
	String toString() => 'Foo<$T>';
	}

	class Extender extends SomeBaseClass {}

chalin / main.dart

Last active April 23, 2018 15:14 — forked from Sfshaza/main.dart

streams/throw_error

	// Copyright (c) 2015, the Dart project authors.
	// Please see the AUTHORS file for details.
	// All rights reserved. Use of this source code is governed
	// by a BSD-style license that can be found in the LICENSE file.

	import 'dart:async';

	Future<int> sumStream(Stream<int> stream) async {
	var sum = 0;
	try {