Java

Spark Unconstructed | Deep dive into DAG

Apache Spark is all the rage these days. People who work with Big Data, Spark is a…

MachineX: Association Rule Learning with KSAI

In many of my previous blogs, I have posted about Association Rule Learning…

How to use Custom Annotation in Java

This article will take you on a journey of annotation. A brief description of annotation and their usage. A simple example of custom annotation and how to validate the custom annotation.

What is Annotation?

Mocking static methods with PowerMock

A good developer always writes a unit test case for his/her code. While writing test cases, we came across various types of scenarios, including the one where we need to mock static methods. One of the common examples of such scenario is where our service is using…

Akka Streams: Is it a Solution to Your Streaming Problems?

Is Apache Cassandra really the Database you need?

Welcome back, everyone. It has been quite some time since I have been working with Cassandra. To be honest, it is a quite cool database. Its decentralized nature, as well as its ability to handle such a large volume of writes, is really…

Dependency Injection: The Core

We can define Dependency Injection as a technique where one object supplies the dependencies to other objects. But what actually does it mean?
Well, there are many answers to this question and sometimes they are quite confusing and annoying. But in this blog, I’ll try to…

Custom ErrorHandlers and Lagom

Hello everyone,

it’s been quite a while now since I started working on Lagom(java) and it was only recently when I came across a scenario wherein I was required to override the ErrorHandler provided by Play in my Lagom microservice. As you all…