Shadab Ansari

Articles: 7

Joined: Jun 18, 2019

A Software Engineer who is passionate about writing programming articles.

Recently published

Article

Promises in Node.js

JavaScript is single-threaded, which means that everything, including events, runs on the same thread. If the thread is not free, code execution is delayed until it is. This can be a bottleneck for our application since it can really cause serious performance problems. There are different ways by which we...

Shadab Ansari

Oct 07, 2019·9 min read

Article

Spread Operator in JavaScript

In this tutorial, we'll explore one of the powerful features of the ES6 specification of JavaScript - the Spread Operator. Although the syntax is simple, sometimes the implementation is confusing if you do not understand it properly. In this tutorial, we'll demystify those three dots ... of JavaScript that does amazing...

Shadab Ansari

Aug 14, 2019·13 min read

Article

Arrow Functions in JavaScript

If you are a JavaScript developer, you may know that JavaScript conforms to the ECMAScript (ES) standards. The ES6, or ECMAScript 2015 specifications, had introduced some of the revolutionary specifications for JavaScript, like Arrow Functions, Classes, Rest and Spread operators, Promises, let and const, etc. In this tutorial, we'll focus...

Shadab Ansari

Jul 15, 2019·12 min read

Article

Angular Form Validation

One of the most common features in any web application is providing a form to users to input some data. You use forms daily to log in, register, place orders, etc. Processing user inputs before validating can have serious consequences. You may end up storing invalid data like an incorrect...

Shadab Ansari

Jul 02, 2019·16 min read

Article

Web Browser Automation with Selenium and Java

Several tools can drive the web browser the way a real user would do like navigating to different pages, interacting with the elements of the page and capturing some data. This process is called Web Browser Automation. What you can do with web browser automation is totally on your imaginations...

Shadab Ansari

Jun 18, 2019·23 min read

Article

Building a Todo App with Flask in Python

In this tutorial, we are going to build an API, or a web service, for a todo app. The API service will be implemented using a REST-based architecture. Our app will have the following main features: Create an item in the todo list Read the complete todo list Update the...

Shadab Ansari

Jun 12, 2019·13 min read