hello everyone, in this article, we will discuss how to connect two different Mongo DB databases into one single spring boot project, for that one i have created simple spring boot project.

otherwise, below is the pom.xml file for that one.

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"…


suppose you have downloaded different JDKs in your local machine, and you have to switch among them, time to time because different applications use different JDK versions, there can be applications that are running on JDK 1.8 some of them are runs on 1.7, …


Hi, welcome to another interesting article on Coroutines in Kotlin. In this tutorial , we are going to see various approaches to create and execute suspending functions.

so we will explore the sequential, concurrent, and lazy execution of the code within a coroutine. …


Optical character recognition or optical character reader (OCR) is the electronic or mechanical conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scene-photo (for example the text on signs and billboards in a landscape photo) or…


hello developers! Welcome back, in this new article I'm going to show you how to create your own npm package and how to publish it. let’s start!

first of all, you should make a directory wherever you want. I will name it as “npmarticle”. …


Hello, guys welcome back, in this article I'm going to show you how can we call a function which resides in another angular component. there are a lot of ways to do this but in this article, let's see how to do this using RxJS subject.

here is the video…


GraphQL is a query language QL would stand for it’s a query language for your API that’s entirely unlike anything that you’ve ever used before in terms of a standard API.

So in other API s that you’d hit a URL to get data let’s say you want to fetch…


hey guys, recently I attended a session in our company it is about node js. and I heard about the amazing JavaScript library the library named ‘lodash’. which is a popular utility library.

this library existed for a long time but I did not know about this library before. after…


Hello guys, last week our project leader came up with a new requirement that is user registration for a certification portal but after registering them we want to use their user data for emailing and another purpose so I tried to search a way how to add this new user…


It is sure you have used JWT many times in your projects but have you ever think about what is this JWT?

in this article we are going to see, what is JWT? what it is for, how it can be created. what the structure of JWT?

what the heck…

hasanga lakdinu

Software Engineer at hSenid Mobile

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