Best Practices

Do you think your code is Perfect? Well, Think again.

“Any fool can write code that a computer can understand. Good programmers write code that humans can understand.”

- Martin Fowler

SOLID Principles: Basic building block of the software system

“Good software system begins with clean code” and by “clean code”, I mean it is code that is easy to understand and easy to change.
This is the point where there is a need to know about SOLID Principles which helps us in…

Knolx: Introduction to Algebird: Abstract Algebra for Analytics

Hello everyone,

Knoldus organized a session on 6th October 2017. The topic was “Introduction To Algebird”. Many people attended and enjoyed the session. In this blog post, I am going to share the…

Rules while working with stream in Java 8

First, let’s have a basic understanding of stream. Then we will have a look at the side effects that can occur while working with streams.

Stream represents a sequence of objects from a source, which supports aggregate operations…

Simple Things You Can Learn From Cassandra Nodetool (Monitor/Manage) For DC/OS

As we know, DC/OS gave us minimal packages of services for running on apache mesos like cassandra. Cassandra services only give us the functionality for storing data , not other things like…

A Java Lagom service which only consumes from Kafka topic (Subscriber only service)

Subscriber only service means an application which only consumes, does not produce.

What to do for overriding the PureConfig behavior in Scala ?

PureConfig has its own predefined behavior for reading and writing to the configuration files, but sometimes we got the tricky requirement in which we need some specific behavior; for example to read the config.

Apache Spark : Spark Union adds up the partition of input RDDs

Some days back when I was doing union of 2 pair rdds, I found the strange behavior for the number of partitions.

The output RDD got different number of partition than input Rdd. For ex: suppose…