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// for multiple requests
let isRefreshing = false;
let failedQueue = [];

const processQueue = (error, token = null) => {
  failedQueue.forEach(prom => {
    if (error) {
      prom.reject(error);
    } else {
      prom.resolve(token);

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type (
	// BuoyCondition contains information for an individual station.
	BuoyCondition struct {
		WindSpeed     float64 `bson:"wind_speed_milehour"`
		WindDirection int     `bson:"wind_direction_degnorth"`
		WindGust      float64 `bson:"gust_wind_speed_milehour"`
	}
 
	// BuoyLocation contains the buoy's location.
	BuoyLocation struct {

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class Header extends Component {
  // Define contextType as static class field.
  static contextType = UserContext;

  render() {
    const user = this.context;

    return user.isSignedIn ? (
      <div>Hello {user.name}</div>
    ) : (

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/**
 * Get round nested ternary operator
 *
 * <header>{
 *   accept()
 *    .when( a == 1, <h1>Case 1</h1>)
 *    .when( a == 2, <h1>Case 2</h1>)
 *    .otherwise( <h1>Case 3</h1>)
 *    .render()
 *  }</header>

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import { eventChannel } from 'redux-saga'

function firebaseChannel(firebase, {
  eventType = 'value',
  returnSnapshot = false,
} = {}) {
  return eventChannel(emit => {
    const subscription = firebase.on(eventType, snapshot => {
      emit(returnSnapshot ? { snapshot } : { value: snapshot.val() })
    })

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Customizing VS Code

I followed the instructions in this blog post Multiple Fonts: Alternative to Operator Mono in VSCode, but did not see any changes made to VS Code. After digging a bit, I discovered that all the CSS class names had changed. They’re now e.g. .mtk13, .mtk16 { … }.

Gotchas

• Ensure it’s a file URL e.g. { "vscode_custom_css.imports": [ "file:///Users/Brian/Desktop/vscode-style.css" ] }
• If you move the location of your file and update your user settings with the new location, you will need to disable and enable custom CSS cmd+shift+p.
• Also, anytime you change the style in your custom CSS file, you need to disable, then re-enable the extension.

For reference

• vscode-styles for operator mono, fira code ligatures, and oceanic next italic · GitHub

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Docker Commands, Help & Tips

Show commands & management commands

$ docker

Docker version info

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const admin = require('firebase-admin')
const { google } = require('googleapis')
const axios = require('axios')

const MESSAGING_SCOPE = 'https://www.googleapis.com/auth/firebase.messaging'
const SCOPES = [MESSAGING_SCOPE]

const serviceAccount = require('./messanging-fbf79-firebase-adminsdk-kag1v-664f36ff55.json')
const databaseURL = 'https://messanging-fbf79.firebaseio.com'
const URL =

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/*
	Instructions for MacOS:

	- Install the fonts 'Operator Mono' & 'Fira Code'
	- Install theme 'Dark Candy'
	- Add the following config to the VS Code settings.json:

	{
	  "editor.renderWhitespace": "all",
	  "editor.fontSize": 14,

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import React from 'react'
import {
  withRouter,
  Switch,
  Route,
  Redirect,
  BrowserRouter as Router
} from 'react-router-dom'
import { Auth } from 'aws-amplify'