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Knoldus Inc. in Knoldus - Technical Insights

Aug 7, 2018

Back2Basics: Exception Handling — #4

In the previous series of blogs, we have seen how we can do error handling in Scala. In this blog, we will explore yet another way of handling exceptions using the functional style of programming.

Knoldus Inc. in Knoldus - Technical Insights

Jun 25, 2018

Back2Basics: Exception Handling — #3

In our previous blog Exception Handling — #2, we talked about how we can handle exception using Either.

In this blog, we will explore further about Either, how we can elegantly handle exceptions using Either while working with Collections…

Knoldus Inc. in Knoldus - Technical Insights

Jun 19, 2018

Concepts of CQRS

In the previous blog, we have learnt what Event Sourcing is. Moving forward, we will dive into the concepts of CQRS, understanding its meaning, why is it required and its advantages.

CQRS Pattern

Knoldus Inc. in Knoldus - Technical Insights

Jun 12, 2018

Introduction to Event Sourcing

Have you ever come across the terms Event Sourcing and CQRS? This blog is a good start to gain basic knowledge about the two. Here, we will learn what is Event Sourcing? And what are the benefits of having an event sourced application? CQRS will be covered in the next blog.

Knoldus Inc. in Knoldus - Technical Insights

Jun 7, 2018

Fusion of Observables with Observer

RxJs is an incredible tool for reactive programming, and today we’re going to understand briefly about what Observables and observers are.

OBSERVABLES

Observables are wrapping around of some data source like a stream…

Knoldus Inc. in Knoldus - Technical Insights

May 16, 2018

Back2Basics: The Magic of Implicit — #2

In our previous blog, The Magic of Implicit, we have talked about how implicit values are being used. In this blog, we will explore Type Conversion with implicit and implicit classes.

Knoldus Inc. in Knoldus - Technical Insights

May 3, 2018

Back2Basics: Demystifying Variance

In this blog, we will explore types of variances in Scala.

In-variance
Co-variance
Contra-variance

Knoldus Inc. in Knoldus - Technical Insights

Apr 28, 2018

Back2Basics: Limit which classes a Trait can be mixed into!

A Scala trait is just like a Java interface. A trait can be extended by different classes, just the way we do with Java interfaces and also a class can inherit multiple traits, called mixins. To know more about basics of the…

Knoldus Inc. in Knoldus - Technical Insights

Apr 16, 2018

Back2Basics: The Magic of Implicits

Implicit System is one of Scala’s language greatest feature with the help of which we can write concise code. The implicit system in Scala allows the compiler to adjust code using a well-defined lookup mechanism.

Knoldus Inc. in Knoldus - Technical Insights

Apr 16, 2018

Amazon ES — Secure your cluster from anonymous users! #2

In the previous blog, we have learned how to create a domain on Amazon ES and also how to create an index using Curl on the cluster. Now, let’s just look how we can control access to Amazon ES Domain.