baluragala

import java.util.Properties;

/**
 * Created by moksha on 07/02/16.
 */
public class JavaSystemProperties {
    public static void main(String args[]) {

        System.out.println("******************************System Props*****************************");
        Properties systemProperties = System.getProperties();

baluragala

import java.util.Map;
import java.util.Properties;

/**
 * Created by moksha on 07/02/16.
 */
public class JavaEnvironmentVariables {

    public static void main(String args[]){

baluragala

import java.util.Map;
import java.util.Properties;

/**
 * Created by moksha on 07/02/16.
 */
public class JavaEnvironmentVariables {

    public static void main(String args[]){

baluragala

[, , textToRepeat, limit] = process.argv;
for (let i = 1; i <= limit; i++) {
    console.log(`${i}-${textToRepeat}`);
}

baluragala

import React from 'react';
import cloudLogger from './cloud-logger';

class TryCatch extends React.Component {
  constructor(props) {
    super(props);
    this.state = { hasError: false };
  }

  componentDidCatch(error, info) {

baluragala

<TryCatch>
  <Booking/>
</TryCatch>

<TryCatch>
  <Payment/>
</TryCatch>

baluragala

import React, {Component} from 'react';

class TryCatch extends Component {
  constructor(props) {
    super(props);
    /*
    initial state. hasError property is used to conditionally render fallback UI. 
    Please not hasError property name is arbitarily chosen and can be any name of your choice
    */
    this.state = {hasError: false};

baluragala

import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
import App from './App';
import registerServiceWorker from './registerServiceWorker';
import TryCatch from './TryCatch'

ReactDOM.render(
  /* 
  App component is wrapped inside TryCatch( error boundary component ). Hence any error in the App or children DOM tree,

baluragala

server {
  listen 80 default deferred;

  server_name myapp.com;

  root /var/www/project-folder/;

  # Nginx and Angularjs with html mode 5 - https://gist.github.com/cjus/b46a243ba610661a7efb
  index index.html;

baluragala

<cdk-virtual-scroll-viewport itemSize="50" class="example-viewport">
  <div *cdkVirtualFor="let item of items" class="example-item">{{item}}</div>
</cdk-virtual-scroll-viewport>