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Scala, a versatile programming language, offers concurrency and parallelism capabilities through its Future and Await constructs. While Await can simplify concurrent programming, it can also lead to performance bottlenecks and other issues. In this guide, we’ll explore Await and Future in Scala, and why it’s often best to avoid using Await. Future Future is a…
Scala is celebrated for its expressive and powerful abstractions that simplify complex programming tasks. One of the most versatile and frequently used functions in Scala is map. Yet, this versatility can be a double-edged sword, leading to confusion among developers. In this blog, we will unravel the different applications of map in Scala and discuss…
In Scala, .pure[Future] and Future.successful serve similar purposes, incase you are wondering which one to use go for anyone as there is not much of a difference but they are associated with different libraries and have some differences in their usage: Cats Library (.pure[Future]): .pure is a method provided by the Cats library, which is…
In Scala, a case class and in Kotlin, a data class serve similar purposes: they are both used for defining simple classes that mainly exist to hold data. However, there are some differences in how they work and the features they offer. Let’s compare case classes in Scala and data classes in Kotlin: Case Class…
Scala is a powerful and expressive programming language known for its conciseness and functional programming capabilities. One of its key features is the case class, a concept that can make your code more readable and maintainable, especially when dealing with immutable data. In this beginner-friendly guide, we’ll explore what case classes are, how to define…
In Scala, Option is a container type that represents the presence or absence of a value. It’s a way to handle potentially missing or nullable values in a more type-safe and functional manner. The primary motivation behind Option is to help eliminate null pointer exceptions, which are a common source of errors in many programming…
Managing dependencies is a crucial aspect of any Scala project. In this blog, we’ll explore a useful technique for managing dependencies by creating a separate Scala file called Dependencies.scala. This approach enhances code readability, maintainability, and allows for better organization of your project’s dependencies. Why Separate Dependencies? In typical Scala projects, dependencies are declared directly…
When working with lists in Scala, you’ll often encounter the ::: and :: operators. These operators are essential for list manipulation, but they serve different purposes. In this blog, we’ll explore these operators, their use cases, and how they impact your Scala code. ::: Operator The ::: operator is used for list concatenation. It combines…
Introduction When it comes to managing dependencies in your Scala project, build.sbt is your best friend. It’s where you specify the libraries your project relies on and how they should be fetched. If you’ve been navigating the Scala ecosystem, you’ve likely come across two commonly used operators for including libraries: %% and %. In this…
Running into unexpected issues while developing software is not uncommon. Recently, during my work on a Scala Play application, I encountered a perplexing problem that took some time to diagnose and resolve. In this blog post, I’ll share my experience and how I managed to overcome this mysterious issue. The issue was originating from the…