yyu
/ main.dart
Last active
July 4, 2020 06:11
flutter 1 min timer using Stream<int> https://dartpad.dev/540806a5aa1b7b1b669804a9a665ed50
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| // https://medium.com/flutter-community/understanding-streams-in-flutter-dart-827340437da6 | |
| import 'package:flutter/material.dart'; | |
| void main() { | |
| runApp(MaterialApp( | |
| home: HomePage(), | |
| title: 'Stream Demo', | |
| )); | |
| } |
yyu
/ main.dart
Last active
July 4, 2020 05:53
2 streams https://dartpad.dev/3dafd1d0498d0d0289edb7236a148a19
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| main() { | |
| print('main() starts'); | |
| foo(); | |
| print('main() goes on'); | |
| bar(); | |
| print('main() ends'); | |
| } | |
| void foo() async { | |
| print('foo() starts'); |
yyu
/ main.dart
Last active
July 4, 2020 05:36
finite stream https://dartpad.dev/776e16891f22b5cfa77a2a4c6d0bff87
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| main() { | |
| foo(); | |
| print('main() ends'); | |
| } | |
| void foo() async { | |
| print('foo() starts'); | |
| final stream = makeStream(); |
yyu
/ main.dart
Last active
July 4, 2020 05:38
infinite stream https://dartpad.dev/df61ac37bf91ebbddfd324f704f8fe7b
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| main() { | |
| foo(); | |
| print('main() ends'); | |
| } | |
| void foo() async { | |
| print('foo() starts'); | |
| final stream = makeStream(); |
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| void main() { | |
| foo(); | |
| for (int i = 0; i < 5; i++) { | |
| print('hello ${i + 1}'); | |
| } | |
| } | |
| void foo() async { | |
| print('foo() starts'); |
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| void main() { | |
| for (int i = 0; i < 5; i++) { | |
| print('hello ${i + 1}'); | |
| } | |
| } |
yyu
/ binder.log
Created
May 18, 2018 01:39
[build log] https://mybinder.org/v2/gh/yyu/jupyter_scratchbook/master
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| Waiting for build to start... | |
| Cloning into '/tmp/repo2dockeryn8_h615'... | |
| HEAD is now at c39a251 removing drawio since it is not compatible with the current JupyterLab | |
| Building conda environment for python=3.6Using PythonBuildPack builder | |
| Building conda environment for python=3.6Building conda environment for python=3.6Step 1/39 : FROM buildpack-deps:bionic | |
| ---> 22ba25303cb1 | |
| Step 2/39 : ENV DEBIAN_FRONTEND=noninteractive | |
| ---> Using cache | |
| ---> af1efc5e2036 | |
| Step 3/39 : RUN apt-get update && apt-get install --yes --no-install-recommends locales && apt-get purge && apt-get clean && rm -rf /var/lib/apt/lists/* |