tkssharma

#  Run `docker-compose build` to build the images
#  Run `docker-compose up` to run the containers
#  Run `docker-compose down` to remove the containers
version: '3.5'
services:
  mysql:
    container_name: service_mysql
    image: mysql:5.7
    volumes:
      - ~/datadir/mysql:/var/lib/mysql

tkssharma

#  Run `docker-compose build` to build the images
#  Run `docker-compose up` to run the containers
#  Run `docker-compose down` to remove the containers
version: '3.5'
services:
  mysql:
    container_name: service_mysql
    image: mysql:5.7
    volumes:
      - ~/datadir/mysql:/var/lib/mysql

tkssharma

interface MyCustomTypeA {
  test: string;
}

interface MyCustomTypeB {
  anything: boolean;
}

interface ReusableInterface3<T> {
  entity: T;

tkssharma

interface Book {
  type: "book";
  isbn: string;
  page: number;
}
interface Movie {
  type: "movie";
  lengthMinutes: number;
}
let hobby: Movie = { type: "movie", lengthMinutes: 120 };

tkssharma

enum Weather {
  Sunny,
  Cloudy,
  Rainy,
  Snowy
}
let today: Weather = Weather.Cloudy;
let tomorrow: Weather = 200;
console.log("Today value", today); // Today value Cloud
console.log("Today key", Weather[today]); // Today key undefined

tkssharma

function returnNever(i: number): never {
  // Logic here
  if (i === 0) {
    throw Error("i is zero");
  } else {
    throw Error("i is not zero");
  }
  // Will never reach the end of the function
}

tkssharma

const arr: number[] = [1, 2, 3];
arr.push(4);

const myObj: { x: number } = { x: 1 };
myObj.x = 2;

let n2: string | undefined = Math.random() > 0.5 ? undefined : "test";
// console.log(n2.substring(0, 1)); // Won't compile since can be null

if (n2 !== null) {

tkssharma

function switchFunction(num: number) {
  let b: string = "functionb";

  switch (num) {
    case 1: {
      let b: string = "case 1";
      break;
    } // After break
    case 2:
      {

tkssharma

function switchFunction(num: number) {
  let b: string = "functionb";

  switch (num) {
    case 1: {
      let b: string = "case 1";
      break;
    } // After break
    case 2:
      {

tkssharma

var request = require("request");
var userDetails;
function initialize() {
  return new Promise(function(resolve, reject) {
    // Do async job
    request.get("https://api.github.com/users/tkssharma", function(err,resp,body) {
      if (err) {
        reject(err);
      } else {
        resolve(JSON.parse(body));