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@codediodeio
codediodeio / main.dart
Last active May 17, 2019
An animated box shadow button with Dart 2.3 collection if/for
View main.dart
class CircleStack extends StatefulWidget {
@override
_CircleStackState createState() => _CircleStackState();
}
class _CircleStackState extends State<CircleStack> {
bool open = true;
@override
Widget build(BuildContext context) {
View main.dart
class Dog {
String breed;
int age;
Dog({ this.age, this.breed });
factory Dog.fromMap(data) {
return Dog(
breed: data['breed'],
age: data['age'],
@codediodeio
codediodeio / config.js
Last active Jul 20, 2019
Snippets from the Firestore Data Modeling Course
View config.js
import * as firebase from 'firebase/app';
import 'firebase/firestore';
var firebaseConfig = {
// your firebase credentials
};
// Initialize Firebase
firebase.initializeApp(firebaseConfig);
View print.js
export const print = (v) => {
const el = document.createElement('h3');
el.innerText = '🔵 ' + v;
document.body.appendChild(el);
}
View angular-hooks.ts
import { Component } from '@angular/core';
import { BehaviorSubject } from 'rxjs';
@Component({
selector: 'app-root',
template: `
<p>You clicked {{count.value}} times</p>
<button (click)="setCount(count.value + 1)">Click Me</button>
`,
})
View state-alt.dart
import 'package:flutter/material.dart';
Stream<bool> interval =
Stream.periodic(Duration(seconds: 1), (i) => (i % 2 == 0))
.asBroadcastStream();
class Blink extends StatelessWidget {
String text;
Blink({Key key, this.text}) : super(key: key);
@codediodeio
codediodeio / emoji.js
Last active Oct 20, 2018
Just a string filled with Emojis
View emoji.js
export const emojis =
'😀,😃,😄,😁,😆,😅,😂,🤣,😊,🙂,🙃,😉,😌,😍,😘,😗,😙,😚,😋,😛,😝,😜,🤪,🤨,🧐,🤓,😎,🤩,😏,😒,😞,😔,😟,😕,🙁,😣,😖,😫,😩,😢,😭,😤,😠,😡,🤬,🤯,😳,😱,😨,😰,😥,😓,🤗,🤔,🤭,🤫,🤥,😶,😐,😑,😬,🙄,😯,😦,😧,😮,😲,😴,🤤,😪,😵,🤐,🤢,🤮,🤧,😷,🤒,🤕,🤑,🤠,😈,👿,👹,👺,🤡,💩,👻,💀,👽,👾,🤖,🎃,😺,😸,😹,😻,😼,😽,🙀,😿,😾,🤲,👐,🙌,👏,🤝,👍,👎,👊,✊,🤛,🤞,🤟,🤘,👌,👉,👈,👆,👇,✋,🤚,🖐,🖖,👋,🤙,💪,🖕,🙏';
export const emojisArray = emojis.split(',');
export const emojiRandom = () =>
emojisArray[Math.floor(Math.random() * emojisArray.length)];
View index.html
<!DOCTYPE html>
<html lang="en">
<head>
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.0/lodash.min.js"></script>
<style>
body {
text-align: center;
display: flex;
View fcm.ts
// BUG: never emits token on first permission granted
this.fcm.getToken.subscribe(console.log);
// Works Fine
this.fcm.requestPermission
.pipe(
switchMap(v => {
return this.fcm.requestToken;
})
)
View ref.ts
export class DocRef {
private ref: firebase.firestore.DocumentReference;
private stream;
constructor(private path: string) {
this.ref = firebase.firestore().doc(path);
this.stream = Observable.create(observer => {
this.ref.onSnapshot({
next(doc) {
observer.next(doc);
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