hungdev

export class SyncPath {
  constructor(rootRef, path) {
    this._rootRef = rootRef;
    this.user = this._rootRef.getAuth();
    this._userDataRef = this._rootRef.child(path).child(this.user.uid);
    this.data = {};
    this._userDataRef.on('value', (snap) => this.data = snap.val() || {});
  }
  keys() {
    return Object.keys(this.data);

hungdev

MySQL

Getting started:

• http://www.sqlteaching.com/
• https://www.codecademy.com/courses/learn-sql

Related tutorials:

• MySQL-CLI
• Analyzing Business Metrics

hungdev

/* @flow */
const defaultDiacriticsRemovalMap = [{
  'base': 'A',
  'letters': '\u0041\u24B6\uFF21\u00C0\u00C1\u00C2\u1EA6\u1EA4\u1EAA\u1EA8\u00C3\u0100\u0102\u1EB0\u1EAE\u1EB4\u1EB2\u0226\u01E0\u00C4\u01DE\u1EA2\u00C5\u01FA\u01CD\u0200\u0202\u1EA0\u1EAC\u1EB6\u1E00\u0104\u023A\u2C6F'
}, {
  'base': 'AA',
  'letters': '\uA732'
}, {
  'base': 'AE',
  'letters': '\u00C6\u01FC\u01E2'

hungdev

import React, { PureComponent } from 'react';
import { View, Text, NetInfo, Dimensions, StyleSheet } from 'react-native';

const { width } = Dimensions.get('window');

function MiniOfflineSign() {
  return (
    <View style={styles.offlineContainer}>
      <Text style={styles.offlineText}>No Internet Connection</Text>
    </View>

hungdev

import React, { Component, Fragment } from "react";
import { Animated, StyleSheet, Text, View, TouchableOpacity, Dimensions, Platform, Easing, TextInput, KeyboardAvoidingView, Image } from "react-native";
import FontAwesome5 from 'react-native-vector-icons/FontAwesome5';

const { width: windowWidth } = Dimensions.get('window');

const Icon = (props) => <FontAwesome5 {...props} />

export default class ShareYourFeedback extends Component {

hungdev

import React from 'react'
import axios, { post } from 'axios';

class SimpleReactFileUpload extends React.Component {

  constructor(props) {
    super(props);
    this.state ={
      file:null
    }

hungdev

CSS Selectors Cheatsheet

Element selectors

Element -- selects all h2 elements on the page

h2 {
    foo: bar;

hungdev

vi /etc/environment

add these lines...

LANG=en_US.utf-8
LC_ALL=en_US.utf-8

hungdev

###############################################################################
# SECTION:Initial Settings
###############################################################################
# ConfigServer Firewall & Security Configuration File
#
# Copyright 2006-2013, Way to the Web Limited
# URL: http://www.configserver.com
# Email: sales@waytotheweb.com
###############################################################################

hungdev

start

sudo launchctl load /Library/LaunchDaemons/org.jenkins-ci.plist

stop

sudo launchctl unload /Library/LaunchDaemons/org.jenkins-ci.plist

https://medium.com/@anoopm6/how-to-uninstall-jenkins-from-mac-5a40b1e6bab6