nitish24p

const user = {
  id: 1,
  username: 'Nitish',
  age: 25,
  profession: 'dev'
}

const error = new TypeError('Something broke in the db');

class User {

nitish24p

exports.createOrAddUser = (req, res, next) => {
  User.findUser(req.body, (err, data) => {
    if (err) {
      return next(err)
    };

    if (data) {
      const existingUser = new User(data);
      existingUser.update(req.body, (err, data) => {
        if (err) {

nitish24p

exports.createOrAddUserPromise = (req, res, next) => {
  User.findUserPromise(req.body)
    .then(user => {
      if (user) {
        const existingUser = new User(user);
        return newUser.updatePromise(req.body)
      }
      const newUser = new User();
      return newUser.savePromise(req.body);
    })

nitish24p

exports.createOrAddUserAsync =  async (req, res, next) => {
  try {
    const user = await User.findUserPromise(req.body);
    if (user) {
      const existingUser = new User(user);
      const data = await existingUser.updatePromise(req.body);
      return res.send(data);
    }

    const newUser = new User();

nitish24p

/*
 *   Copyright (c) 2011-2015 The original author or authors
 *   ------------------------------------------------------
 *   All rights reserved. This program and the accompanying materials
 *   are made available under the terms of the Eclipse Public License v1.0
 *   and Apache License v2.0 which accompanies this distribution.
 *
 *       The Eclipse Public License is available at
 *       http://www.eclipse.org/legal/epl-v10.html
 *

nitish24p

const Binding = (function () {
  function initialise(appNode, callback) {
    const model = {};
    const nodes = appNode.querySelectorAll('[data-bind]');

    /** ============== Two way bind ===============  */
    nodes.forEach(function (element) {
      const key = element.getAttribute('data-bind');
      hookElementToModel(key);
      if (element.type === 'text' || element.type === 'textarea') {

nitish24p

Kubernetes Commands and Resources

Components

Any kubernetes cluster has 3 main components

1. Control Plane
2. Proxy network