JFernandoGomez

import 'package:firebase_messaging/firebase_messaging.dart';

class PushNotificationsManager {

  PushNotificationsManager._();

  factory PushNotificationsManager() => _instance;

  static final PushNotificationsManager _instance = PushNotificationsManager._();

JFernandoGomez

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

JFernandoGomez

#!/bin/bash
cd /tmp
apt-get update
apt install -y libtool pkg-config build-essential autoconf automake uuid-dev git wget
git clone git://github.com/jedisct1/libsodium.git
cd libsodium/
./autogen.sh
./configure && make check
make install
ldconfig

JFernandoGomez

What this does:

Within an <ion-scroll>, this directive creates sticky item headers that get bumped out of the way by the next item.

Demo: http://cl.ly/2u2X390s0H1a

Requirements:

• Needs UnderscoreJS for its _.throttle utility.
• Must be used within an or