4skinSkywalker

function questionsMarks(string) {
  
  let number = pair = count = 0
  
  for (let char of string) {
    
    if ( !isNaN(char) ) {
      
      if (number && number + +char === 10) {
          

4skinSkywalker

function vowelSquare(matrix) {
  
  let vowels = {
    a: 1,
    e: 1,
    i: 1,
    o: 1,
    u: 1
  }
  

4skinSkywalker

function scaleBalancing(plates, weights) {

  weights.sort((a, b) => a - b)
  
  let [a, b] = plates
  
  if (a === b) {
    
    return 'already balanced'
  }

4skinSkywalker

function isValid(string) {
  
  let v = 0 
  let h =  0
  
  for (let char of string) {
    
    if (char === 'd') v++
    if (char === 'u') v--
    if (char === 'r') h++

4skinSkywalker

function closestEnemy(matrix) {
  
  let length = matrix.length
  
  let isValid = matrix.some(v => v.includes(2))
  
  if (!isValid) return -1
  
  let startingPoint
  

4skinSkywalker

import { HttpClientModule } from '@angular/common/http'
import { HttpClientInMemoryWebApiModule } from 'angular-in-memory-web-api'
import { MyInMemoryService } from './services/my-in-memory.service'

@NgModule({
  imports: [
    HttpClientModule,
    // import HttpClientInMemoryWebApiModule after HttpClientModule
    HttpClientInMemoryWebApiModule.forRoot(MyInMemoryService)
  ]

4skinSkywalker

import { InMemoryDbService } from 'angular-in-memory-web-api';
import { RequestInfo } from 'angular-in-memory-web-api/interfaces';

export class MyInMemoryService implements InMemoryDbService {

  // In-Memory DB will intercept /api/whatever calls and return data
  createDb() {
    const customers = [
      { id: 1, username: 'fred92', password: '1234' },
      { id: 2, username: 'john69', password: 'abcd' },

4skinSkywalker

@Injectable()
export class CustomersService {

  constructor(
    private http: Http) { }

  getAll() {
    return this.http.get('api/customers')
      .subscribe(customers => {
        console.log(customers)

4skinSkywalker

import { InMemoryDbService } from 'angular-in-memory-web-api'
import { RequestInfo } from 'angular-in-memory-web-api/interfaces'

export class MyInMemoryService implements InMemoryDbService {

    createDb() {
      // same as before
    }

    // HTTP POST interceptor

4skinSkywalker

import { Component, OnInit } from '@angular/core'
import { Router } from '@angular/router'
import { tap, catchError } from 'rxjs/operators'
import { throwError } from 'rxjs'

@Component({
  selector: 'app-login',
  templateUrl: './login.component.html',
  styleUrls: ['./login.component.css']
})