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Sep 5, 2021

How to connect multiple Mongo DB Databases with Spring Boot

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. if you prefer video over article related video tutorial is here, 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"…

4 min read

How to connect multiple Mongo DB Databases with Spring Boot
How to connect multiple Mongo DB Databases with Spring Boot

Feb 22, 2021

How to switch Java versions in Linux(using aliases)

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, …

Java

2 min read

How to switch Java versions in Linux(using aliases)
How to switch Java versions in Linux(using aliases)

Dec 29, 2020

Kotlin Coroutine- Sequential, Concurrent and Lazy execution

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. …

Kotlin

6 min read

Kotlin Coroutine- Sequential, Concurrent and Lazy execution
Kotlin Coroutine- Sequential, Concurrent and Lazy execution

Oct 6, 2020

OCR (Optical Character Recognition) functionality in Node.JS Application

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…

Tesseract

3 min read

OCR (Optical Character Recognition) functionality in Node.JS Application
OCR (Optical Character Recognition) functionality in Node.JS Application

Feb 8, 2020

Let’s create and publish an NPM package

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”. …

NPM

4 min read

Let’s create and publish NPM package
Let’s create and publish NPM package

Jan 18, 2020

How to call a function in another component(Angular) Using RxJS

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…

Angular

3 min read

How to call a function in another component(Angular) Using RxJS
How to call a function in another component(Angular) Using RxJS

Dec 4, 2019

Welcome to the GraphQL World!!!

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…

4 min read

Welcome to the GraphQL World!!!
Welcome to the GraphQL World!!!

Oct 27, 2019

What the heck is Lodash?

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…

Java Script

2 min read

What the heck is Lodash?
What the heck is Lodash?

Oct 20, 2019

How to add confirmed user data from Cognito to DynamoDB table using serverless framework.

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…

AWS

4 min read

How to add confirmed user data from Cognito to DynamoDB table using serverless framework.
How to add confirmed user data from Cognito to DynamoDB table using serverless framework.

Oct 19, 2019

What is JWT (Json web token)

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…

Java Script

4 min read

What is JWT (Json web token)
What is JWT (Json web token)
hasanga lakdinu

hasanga lakdinu

Software Engineer at hSenid Mobile

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