Author Archives: SAHIL SAWHNEY

Scalafmt – Styling The Beast


“I have never seen elegance go out of style” – SONYA TECLAI Scala (The Beast) has imported efficiency and elegance to the programming world by combining coziness of object oriented programming with the magic of functional programming. This blog illuminates … Continue reading

Posted in Scala | 3 Comments

Installing and running Kafka on AWS instance (CentOS)


In this blog we will install and start a single-node, latest and recommended version of kafka ie 0.10.2.0 with the binary for Scala 2.12 on the EC2 Linux instance with centOS as its operating system. We would be using the … Continue reading

Posted in Scala | 2 Comments

Deploying a 2 node Elasticsearch cluster on ec2 instance.


In this blog we will focus on two major things : 1). Steps required to create a two node elasticsearch (v5.2 released on 31.Jan.2017) cluster on Linux instances (with CentOs as the default OS). 2). Attaching additional volume to the … Continue reading

Posted in AWS, Elasticsearch, Scala | 2 Comments

Introduction To Quasiqoutes


Hi all, Knoldus had organized an hours session on 16th December 2016 at 4:00 PM. Topic was Introduction to Quasiqoutes. Many enthusiasts  joined and learned from the session. I am  sharing the slides of the session here. Please let me know if … Continue reading

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Hotfix To Install Latest Oracle JDK On Linux EC2 Instance (CentOS)


In this blog we will explore the procedure to install latest java 8 version ie JDK 8u121 (released on 17th January, 2017) on the EC2 Linux instance which comes with centOS as its default operating system. Following steps must be … Continue reading

Posted in Scala | 2 Comments

Mounting EBS(Elastic Block Store) volume to EC2(Elastic Compute Cloud) instance.


In this blog we will consider simple steps by which we can attach and mount a volume(elastic block store) to an ec2 instance. Following steps must be followed : Step 1 -> Creating an ec2 instance We will be creating … Continue reading

Posted in Amazon, Amazon EC2, AWS, AWS Services, Cloud, Devops, Scala, scaladays | 2 Comments

Mailchimp and Mandrill- The ‘ Hominidae’ kingdom


Hi all, Knoldus had organized an hours session on 9th December 2016 at 4:00 PM. Topic was Mailchimp and Mandrill- The ‘ Hominidae’ kingdom in Scala . Many enthusiasts  joined and learned from the session. I am  sharing the slides of the session here. … Continue reading

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The async library in Scala


Hi all, Knoldus had organized an hours session on 18th May 2016 at 4:00 PM. Topic was The async library in Scala . Many people had joined and learned from the session. I am  sharing the slides of the session here. Please let me know if … Continue reading

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String Interpolation In Scala


Hi all, Knoldus had organized an hours session on 18th May 2016 at 4:00 PM. Topic was String Interpolation in Scala . Many people had joined and learned from the session. I am  sharing the slides of the session here. Please let me know if … Continue reading

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An Invitation From Scala String Interpolation


“Every generation needs a new revolution.” – Thomas Jefferson This blog narrates the tale of an awesome change that was introduced in Scala 2.10 that made life of a Scala programmer repose and the change was the introduction of “String Interpolation” … Continue reading

Posted in Scala | 1 Comment