1. Variance Variance is the interconnection of subtyping relationship between complex types and their component types. Variance is all about sub-typing. It tells us if a type constructor is a subtype of another type constructor. Variance defines inheritance relationships of parameterized types(types that have parameters within them). Sub-Typing Every programming language supports the…

1. Overview JavaFX is a Java library used to build Rich Internet Applications (RIA). It provides a set of graphics and media packages that enables developers to design, create, test, debug, and deploy rich client applications that operate consistently across diverse platforms. JavaFX provides a rich graphical user interface. JavaFX has the…

1. Overview In this tutorial, we’ll take a look at Functor type class in Cats. The idea of Functor is “something that can be mapped over”, we’ll see what is actually mapped and how. In functional programming, Functors come into play when we have types or values wrapped inside contexts or containers…

Overview Git Flow is an abstract idea of a Git workflow. It helps with continuous software development and implementing DevOps practices. The Git Flow Workflow defines a strict branching model designed around the project release. This provides a robust framework for managing larger projects. Git Flow is ideally suited for projects…

In my previous article Dev Tools to the Rescue — Part 1, we looked at some of the best developer tools for software development, project management, continuous delivery/integrity, designing, testing, etc. In this article, we’ll continue with tools that are helpful for purposes like monitoring, analysis, cloud development, security, etc. Confluence …

Whether you are a software developer working on someone else’s projects or you run a business yourself, utilizing the right tools of the trade is essential. The market of software development tools is an ever-changing one and increasingly competitive. …

If you’re new to the concept of type classes I suggest you read my other article explaining them. The Cats library makes extensive use of type classes and a basic understanding is a prerequisite for this article. In previous articles, we talked about Semigroups and Monoids, which are abstractions that…

Today we are going to deep dive into the Scala Cats again to find out about Monoids. If you haven’t already read my post about Diving into Scala Cats — Semigroups I suggest you do so now. What are Monoids? The Monoid extends Semigroup and adds a default or fallback value for the…

New to Cats? No worries, go through my previous article Getting Started with Scala Cats to understand how amazing Cats is. In this article, we will cover the concepts and implementation of Semigroups in Cats. What are Semigroups? In functional programming terms a Semigroup is a concept which encapsulates aggregation with an associative…