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.github/workflows/lighthouse-ci.yml

```yml
name: Lighthouse CI
on: [push]
jobs:
  lhci:
    name: Lighthouse CI
    runs-on: ubuntu-latest
    steps:

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const numbers = [1,2,3,4];
// Mutable
for (let index = 0; index < numbers.length; index++) {
  numbers[index] = numbers[index] + 2;
}
console.log(numbers);

// Inmutable v1
const newNumbers = [];
for (let index = 0; index < numbers.length; index++) {

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1. Install the Lighthouse CI CLI.

npm install -g @lhci/cli

2.

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import { Component, OnInit, forwardRef } from '@angular/core';
import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';

@Component({
  selector: 'app-stepper',
  templateUrl: './stepper.component.html',
  styleUrls: ['./stepper.component.scss'],
  providers: [
    {
      provide: NG_VALUE_ACCESSOR,

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1. Define marker

interface Marker {
  lat: number;
  lng: number;
  title: string;
  image: string;
  text: string;
  markerObj?: any;

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npm install --save @nestjs/typeorm typeorm pg

import { Module } from '@nestjs/common';
import { TypeOrmModule } from '@nestjs/typeorm';
import { AppController } from './app.controller';
import { AppService } from './app.service';
import { configService } from './config/config.service';

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Arrays

Why?

const averageTempJan = 31.9;
const averageTempJan = 35.3;
const averageTempMar = 42.4;
const averageTempApr = 52;

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1. Create machines / nodes

node-01
node-02
node-03

2. Update machine

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service

@Injectable({
  providedIn: 'root'
})
export class UserService {

  constructor(
    private http: HttpClient

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import { AbstractControl } from '@angular/forms';

export class MyValidations {

  static age(control: AbstractControl) {
    const value = control.value;
    if (value < 18) {
      return {isYoung: true};
 }