Every web application tends to have tons of multimedia content such as images, pdf invoices, videos, etc. These are the most frequently accessed content in the web application and the performance of the application also depends on how better we…
PDF documents are commonly used files in the majority of web applications. PDF documents are used in billing invoices, generating transaction reports, drafting the online agreement, etc. If you are building a SaaS then you might end up writing code…
Instructions to create a VirtualBox-VM on a Windows box and convert it into a Google-VM This article will demonstrate how to take an OS-ISO file and run it as a Google-Cloud Virtual-Machine using just a Windows-10 computer. Google-VM certainly has…
Visual Studio Code is arguably the best code editor to use at the present time. Due to its wide range of extensions and support from Microsoft, this editor is widely adopted. Visual Studio Code is built on top of an…
This Node js tutorial is designed for beginners to help you learn Node.js step by step. All you need to do is follow this Node.js tutorial stepwise. Each step covers important topics related to Node.js. This Node.js tutorial is divided…
Nodejs authentication using JWT a.k.a JSON web token is very useful when you are developing a cross-device authentication mechanism. Here is how token-based authentication works: User logins to the system and upon successful authentication, the user are assigned a token…
Write code, test and deploy This is one of the common development cycles of any developer. Most of the time testing and deployment steps do not change frequently and in order to keep the developer focus on writing code, we…
Google has announced a new service to prevent spam and attacks on your website. They name it “NO CAPTCHA reCAPTCHA” . Google reCAPTCHA is designed to protect your website from spam and abuse. In this tutorial, I am going to show…
Real-time web/mobile application is becoming popular day by day. Services like Firebase and Pusher provides API’s and Services to develop effective real-time notification system for your mobile and web apps. We are not going to use these Services in this…
If you are using Node.js, you can use the package called “ethereumjs-wallet” to generate Ethereum private keys and addresses. This is an official package provided and maintained by the Ethereum JavaScript community. To generate Ethereum addresses, follow these steps: Step…