We have covered session management in ExpressJs using a global variable technique which of course will not work in the case of shared server or concurrent execution of HTTP requests which is the most familiar production scenario. Codeforgeek readers requested…
Quick summary: In this tutorial, we are going to program a voice-controlled drone using Node.js and Web speech API. We will use Parrot ARDrone 2.0 as our drone and Node.js + web speech API to build our application. Introduction Drones…
A refreshing particular element of a web page is one of the frequently used approaches in web development. JavaScript provide the setInterval() method to repeat the task after specified time. Angularjs provides wrapper of setInterval() with $interval angular service module.…
Visual studio code is my go-to editor for programming. Due to its wide range of extensions and support from Microsoft this editor is widely adopted. Visual studio code is built on top of open source Monaco editor by Microsoft. This…
One of the important task which most of the developers ignores ( i used to ignore too ) is writing unit tests for your code. Unit test is not just a help to tester or quality assurance team but its…
In a real-world scenario, most of the time we have to deal with a huge number of data. So imagine a scenario where you have 1 million records in the database and your requirement is to show it on a…
Quick Summary: This tutorial helps you to record the screen in Ubuntu using Kazam screen recorder. You will learn about installing the Kazam screen recorder and how to use it in Ubuntu to record your screen. You will also learn…
Node.js is an open source, cross platform JavaScript runtime engine to develop server side applications. Node.js uses Google’s V8 engine to compile JavaScript code into native code. Node.js is based on non-blocking, event-driven architecture to help developers create robust and…
We use Node.js to build web application backend and one of the use cases that comes often is a file upload feature. In this tutorial, we are going to learn and build an application that can let user upload multiple…
How many brokers should we have? What is the ideal ram size? Should we use RAID or SSD? We come across questions like this while configuring and deploying a Kafka cluster. In this article, we will cover in brief about…