Scala

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The classic Fizz Buzz problem

The classic Fizz Buzz problem implemented using Scala and Rust with pattern matching.And Kotlin version as well.The problem description is here leetcode.com/problems/fizz-buzz/description.
#programming

Mastering Scala:Understanding the Differences Between List and ListBuffer in Scala

Understanding the differences between List and ListBuffer in Scala is essential for writing optimized programs.

Scala Pattern Matching

Pattern matching in Scala enhances code readability and expressiveness through features like pattern guards, alternatives, and a non-fall-through mechanism compared to Java.

Installing Scala with VS Code: A Step-by-Step Guide

Scala combines functional and object-oriented programming, making it ideal for scalable applications.
Setting up Scala in Visual Studio Code involves installing the JVM, Scala, and the Metals extension.

Universal vs. Existential Types: Is It For All or Existential Crisis?

Universal types allow code to work with any type due to their polymorphic nature, while existential types signify the existence of some unknown types.

Beginner guide to using set in Scala | managing Scala collections

Scala Sets provide a powerful way to handle collections of unique elements with mutable and immutable options.

How to Create a List in Scala: A Beginner's Guide

Creating and using lists in Scala is straightforward and essential for both beginners and experienced programmers.

Mastering Scala:Understanding the Differences Between List and ListBuffer in Scala

Understanding the differences between List and ListBuffer in Scala is essential for writing optimized programs.

Scala Pattern Matching

Pattern matching in Scala enhances code readability and expressiveness through features like pattern guards, alternatives, and a non-fall-through mechanism compared to Java.

Installing Scala with VS Code: A Step-by-Step Guide

Scala combines functional and object-oriented programming, making it ideal for scalable applications.
Setting up Scala in Visual Studio Code involves installing the JVM, Scala, and the Metals extension.

Universal vs. Existential Types: Is It For All or Existential Crisis?

Universal types allow code to work with any type due to their polymorphic nature, while existential types signify the existence of some unknown types.

Beginner guide to using set in Scala | managing Scala collections

Scala Sets provide a powerful way to handle collections of unique elements with mutable and immutable options.

How to Create a List in Scala: A Beginner's Guide

Creating and using lists in Scala is straightforward and essential for both beginners and experienced programmers.
moreprogramming
from DevOps.com
2 days ago

Oracle Looks to Increase Pace of Java Innovation - DevOps.com

Java 22 simplifies development processes, enabling DevOps teams to innovate rapidly while leveraging both new and established capabilities.
from Medium
1 week ago

Mastering Scala: How to Build a Custom Sorting Function for Arrays That Outperforms the Default

Custom implementation of sorting algorithms in Scala enhances understanding of sorting mechanisms despite built-in methods available.

InfoQ Java Trends Report - December 2024

Java 17 leads in JDK usage but lacks a majority; Java 21 sees rapid yet limited adoption.
The Commonhaus Foundation emphasizes sustainability for open-source in the Java ecosystem.
Java's reputation is evolving towards innovation, leaving behind its legacy image.

Unit testing legacy spark code in Scala

Automated tests are critical for maintaining code quality and minimizing rework, especially with legacy systems.
Refactoring legacy code is necessary to enable testing, requiring caution to avoid introducing bugs.
#programming-languages

Top

Functional programming has historical roots with significant contributions from languages like LISP and Haskell, influencing modern software development practices.

Why Scala is the Secret Sauce for Big Data: A Fun Dive into Functional Programming

Scala's functional programming features, such as pure functions and tail recursion, make it an ideal choice for managing big data efficiently.

How Our Favorite Programming Languages Would Celebrate Christmas

Programming languages each have unique personalities that lead to a Christmas party filled with chaos and quirks, mirroring their traits.

On Scala Tooling & Stability: What Can We Learn From a Small Drama?

Scala perception matters more than the actual tooling and stability.
User experience with specific tools, particularly SBT and IntelliJ, greatly shapes opinions on Scala's ecosystem.

Top

Functional programming has historical roots with significant contributions from languages like LISP and Haskell, influencing modern software development practices.

Why Scala is the Secret Sauce for Big Data: A Fun Dive into Functional Programming

Scala's functional programming features, such as pure functions and tail recursion, make it an ideal choice for managing big data efficiently.

How Our Favorite Programming Languages Would Celebrate Christmas

Programming languages each have unique personalities that lead to a Christmas party filled with chaos and quirks, mirroring their traits.

On Scala Tooling & Stability: What Can We Learn From a Small Drama?

Scala perception matters more than the actual tooling and stability.
User experience with specific tools, particularly SBT and IntelliJ, greatly shapes opinions on Scala's ecosystem.
moreprogramming-languages

This week in #Scala (Dec 16, 2024)

Welcome to the new edition of #ThisWeekInScala!
This blog keeps you updated with the latest Scala and Reactive programming news.

Why Swift sucks as a functional language

Understanding fundamental principles can aid in solving programming challenges effectively.

Unlocking the Secrets of Scala Inheritance: An In-Depth Exploration

In Scala, while classes can only inherit from one superclass, traits allow for multiple trait inheritance, promoting flexibility.
#scala-3

Scala 3 FAQ: How does 'derives' work? (Notes on type classes, derivation macros, and compile-time derivation)

The derives keyword in Scala 3 streamlines creation of type class instances, specifically enhancing JSON handling in libraries like ZIO JSON.

Scala 2 maintenance plans

Scala 2.13 will receive indefinite maintenance, while Scala 2.12 support depends on sbt 1's usage.

Scala 3 FAQ: How does 'derives' work? (Notes on type classes, derivation macros, and compile-time derivation)

The derives keyword in Scala 3 streamlines creation of type class instances, specifically enhancing JSON handling in libraries like ZIO JSON.

Scala 2 maintenance plans

Scala 2.13 will receive indefinite maintenance, while Scala 2.12 support depends on sbt 1's usage.
morescala-3

This week in #Scala (Oct 31, 2022)

Welcome to the new edition of #ThisWeekInScala!This blog aims to keep you updated with the latest news from the world of Scala and Reactive programming.You can now subscribe and get the latest edition directly into your inbox.

This week in #Scala (Nov 14, 2022)

Welcome to the new edition of #ThisWeekInScala!This blog aims to keep you updated with the latest news from the world of Scala and Reactive programming.You can now subscribe and get the latest edition directly into your inbox.

This week in #Scala (Nov 7, 2022)

Welcome to the new edition of #ThisWeekInScala!This blog aims to keep you updated with the latest news from the world of Scala and Reactive programming.You can now subscribe and get the latest edition directly into your inbox.

At Opening Night at La Scala, Opera Is the Center of the Universe

The opera season opening at Teatro alla Scala remains a significant cultural event amid global indifference to opera.

Fintech development companies: shaping the future of finance technologies

Fintech development companies are essential for transforming financial services through innovative technology solutions and redefining customer interactions with money.

Messaging Pattern In Micro Service Integration | HackerNoon

Asynchronous communication is preferable in microservices to avoid performance issues related to service dependencies.
#type-safety

Type Refinements in Scala: Making Your Types More Sophisticated Than Your Friends

Scala offers tools enabling complex compile-time type manipulation, enhancing type safety and the creation of domain-specific languages.

Dependency Injection with Implicits in Scala

Implicit-based Dependency Injection in Scala is a lightweight approach that simplifies dependency management.

A Non-Obvious Variance Question You Might Encounter in a Scala Developer Interview

Variance in Scala facilitates type safety in generics by defining relationships between subtypes and supertypes.

Type Refinements in Scala: Making Your Types More Sophisticated Than Your Friends

Scala offers tools enabling complex compile-time type manipulation, enhancing type safety and the creation of domain-specific languages.

Dependency Injection with Implicits in Scala

Implicit-based Dependency Injection in Scala is a lightweight approach that simplifies dependency management.

A Non-Obvious Variance Question You Might Encounter in a Scala Developer Interview

Variance in Scala facilitates type safety in generics by defining relationships between subtypes and supertypes.
moretype-safety

This week in #Scala (Dec 2, 2024)

Welcome to the new edition of #ThisWeekInScala!
This blog keeps you updated with the latest Scala and Reactive programming news.

This week in #Scala (Dec 9, 2024)

Welcome to the new edition of #ThisWeekInScala!
This blog keeps you updated with the latest Scala and Reactive programming news.

When Exceptions Get Sneaky: Dynamic Classes vs. Malicious Meddlers in ScalaLand

Dynamic classes prevent external interception of specific exceptions, ensuring secure error handling.

Understanding Scala Constructors in Depth: The Key to Write Cleaner Code

"Scala Constructors: The Foundation of Every Object"
In Scala, constructors are the essential methods that kick start your objects, setting them up with everything they need to function properly.
#community-engagement

Join us for the Advent of Code 2024

The Scala Center continues its support for Advent of Code, encouraging participation and collaboration through a dedicated Discord channel and daily articles.

Scalendar December 2024

December 2024 features key Scala conferences and meetups, offering developers chances to refine skills and connect with the community.

Join us for the Advent of Code 2024

The Scala Center continues its support for Advent of Code, encouraging participation and collaboration through a dedicated Discord channel and daily articles.

Scalendar December 2024

December 2024 features key Scala conferences and meetups, offering developers chances to refine skills and connect with the community.
morecommunity-engagement
#functional-programming

Mastering Functional Programming in Scala: Core Concepts and Best Practices

Scala perfectly blends functional and object-oriented programming, making it an excellent choice for building robust applications.

Scala Applications in Data Engineering: A Comprehensive Overview

Scala is an ideal choice for data engineering, particularly with big data frameworks like Apache Spark.

Scalendar November 2024

November 2024 is a crucial month for developers with diverse Scala conferences and other tech events focused on modern advancements and collaboration.

Introduction to functional programming and Scala

Functional programming enhances data analysis with cleaner, more reliable code, facilitating better maintenance and debugging.

ZIO for Scala........... 101

ZIO provides a type-safe, functional approach to asynchronous and concurrent programming in Scala, facilitating better handling of side effects.

2024 holiday season: Reduced prices on my Scala and functional programming Kindle books

The author aims to assist programmers in understanding Scala and functional programming through accessible, low-cost resources.

Mastering Functional Programming in Scala: Core Concepts and Best Practices

Scala perfectly blends functional and object-oriented programming, making it an excellent choice for building robust applications.

Scala Applications in Data Engineering: A Comprehensive Overview

Scala is an ideal choice for data engineering, particularly with big data frameworks like Apache Spark.

Scalendar November 2024

November 2024 is a crucial month for developers with diverse Scala conferences and other tech events focused on modern advancements and collaboration.

Introduction to functional programming and Scala

Functional programming enhances data analysis with cleaner, more reliable code, facilitating better maintenance and debugging.

ZIO for Scala........... 101

ZIO provides a type-safe, functional approach to asynchronous and concurrent programming in Scala, facilitating better handling of side effects.

2024 holiday season: Reduced prices on my Scala and functional programming Kindle books

The author aims to assist programmers in understanding Scala and functional programming through accessible, low-cost resources.
morefunctional-programming

Asynchronous Stipe events processing with Scala

Startups need effective online payment processing solutions, with Stripe being a leading choice for subscription models.
Managing payment successes and failures through Stripe events is crucial for startups.

A 'Shift'-y Affair: Unraveling the Allure of Continuations and Backtracking

Continuations enable advanced computations and control flow in programming, essential for functional programming tools like exceptions and asynchronous tasks.

This week in #Scala (Nov 25, 2024)

Welcome to the new edition of #ThisWeekInScala!
This blog keeps you updated with the latest Scala and Reactive programming news.

Advanced programming with Java generics

Generics in Java improve type safety, readability, and help prevent runtime errors through advanced concepts like type inference and bounded type parameters.

Reactive Real-Time Notifications with SSE, Spring Boot, and Redis Pub/Sub

The reactive approach allows efficient handling of simultaneous requests for scalable applications.
SSE enables real-time server-to-client notifications without frequent polling requests.

Kotlin for Java developers: Classes and coroutines

Kotlin simplifies class creation and management, enhancing Java developers' workflow with less boilerplate code and stronger flexibility.
from Alvinalexander
1 month ago

TechCrunch: Tracking layoffs in the technology industry

Tech layoffs in 2024 continue with over 130,000 job cuts across 457 companies, impacting both large firms and startups.

Last draft of the Scala Cookbook

On May 24, 2013, I finished with the last hardcopy chapters of the Scala Cookbook.I put all of the chapters next to the paper shredder as a way to show what I had just done.
#spark

Customer Segmentation with Scala on GCP Dataproc

Customer segmentation can be effectively performed using k-means clustering in Spark after addressing missing data.

Deploy a Scala Spark job on GCP Dataproc with IntelliJ

Creating a Scala Spark job on GCP Dataproc involves setting up IntelliJ, adding Spark dependencies, and writing the job code.

Customer Segmentation with Scala on GCP Dataproc

Customer segmentation can be effectively performed using k-means clustering in Spark after addressing missing data.

Deploy a Scala Spark job on GCP Dataproc with IntelliJ

Creating a Scala Spark job on GCP Dataproc involves setting up IntelliJ, adding Spark dependencies, and writing the job code.
morespark

How to Use KafkaJsonSchemaSerializer in Scala with Case Classes?

KafkaJsonSchemaSerializer requires proper class structure and annotations for effective serialization in Scala.

Working with Futures in Scala: A Quick Introduction

Scala's Futures enable efficient asynchronous task handling, crucial for applications with high concurrency demands.
#akka

Akka distributed computing platform adds Java SDK

Akka offers flexible deployment options including serverless, self-hosting, and cloud migrations.

Akka Unfurls PaaS for Building Distributed Java Applications - DevOps.com

Akka has launched a revamped platform with an SDK to enhance the development of distributed Java applications and serverless capabilities.

Akka distributed computing platform adds Java SDK

Akka offers flexible deployment options including serverless, self-hosting, and cloud migrations.

Akka Unfurls PaaS for Building Distributed Java Applications - DevOps.com

Akka has launched a revamped platform with an SDK to enhance the development of distributed Java applications and serverless capabilities.
moreakka

This week in #Scala (Nov 18, 2024)

Welcome to the new edition of #ThisWeekInScala!
This blog keeps you updated with the latest Scala and Reactive programming news.
#dataproc

Handling Missing Data in Distributed Systems: A Scala and GCP Dataproc Approach

GCP Dataproc enables efficient data pipeline creation with Scala for handling missing data in datasets.

Build the first data pipeline on GCP Dataproc with Scala

Dataproc streamlines data processing on Google Cloud, facilitating the execution of ETL tasks with ease using tools like Scala and Spark.

Handling Missing Data in Distributed Systems: A Scala and GCP Dataproc Approach

GCP Dataproc enables efficient data pipeline creation with Scala for handling missing data in datasets.

Build the first data pipeline on GCP Dataproc with Scala

Dataproc streamlines data processing on Google Cloud, facilitating the execution of ETL tasks with ease using tools like Scala and Spark.
moredataproc

Erased but Not Forgotten: How Type Erasure Turns Scala's Free-Spirited Overloading Into a...

The Magnet Pattern allows flexible overloading in Scala by leveraging existential types, circumventing the challenges posed by type erasure.

Inductive Love: How Scala 3 Compiles Proofs, Two Steps at a Time!

Using compile-time typechecking in Scala can validate if a number is even via inductive types.

My kidneys itch: A simple solution for itchy kidneys

AZO Cranberry tablets alleviate discomfort related to kidney issues.
Personal experience indicates a distinction between effective and allergic reactions to different AZO products.

Announcing the Business4s Mentorship Program

The mentorship program aims to support Scala engineers with both technical and business insight.

Random thoughts about randomness in Scala

Using Math.random() is error-prone for generating pseudorandom integers; prefer java.util.Random for more reliable and flexible random number generation.
#deity-yoga

What did Shinzen Young do to get through his Shinto training? (Deity Yoga question)

Shinzen Young's training in Shinto and Deity Yoga significantly influenced his meditation practice, merging esoteric techniques with principles of focus and awareness.

What is Deity Yoga? (Shinzen Young mentions it in his book)

Deity Yoga enables practitioners in Vajrayana Buddhism to embody the qualities of deities for spiritual awakening.

What did Shinzen Young do to get through his Shinto training? (Deity Yoga question)

Shinzen Young's training in Shinto and Deity Yoga significantly influenced his meditation practice, merging esoteric techniques with principles of focus and awareness.

What is Deity Yoga? (Shinzen Young mentions it in his book)

Deity Yoga enables practitioners in Vajrayana Buddhism to embody the qualities of deities for spiritual awakening.
moredeity-yoga

Live to Forgive (book)

Jason Romano's 'Live to Forgive' illustrates the transformative power of forgiveness through his journey with his alcoholic father.
#nature

Looking at Denali from the hill in Talkeetna, Alaska

The view of Denali is a rare spectacle for visitors, often only visible once every eight days.

Squirrel at the window

The author shares a quirky and humorous interaction with a squirrel, emphasizing the joy found in small moments with nature.

Looking at Denali from the hill in Talkeetna, Alaska

The view of Denali is a rare spectacle for visitors, often only visible once every eight days.

Squirrel at the window

The author shares a quirky and humorous interaction with a squirrel, emphasizing the joy found in small moments with nature.
morenature
#mindfulness

Meditation benefit: Go anywhere and do anything with your own personal holodeck of the mind

Meditation can transform into a creative and fun experience, allowing personal exploration and joy.

Zen Master Seung Sahn, "What do you think about the beginning of this world?"

Your perception creates the reality of time and space, making you the architect of your own world.

Do you hear the murmuring sound of the mountain stream?

The essence of learning Zen lies in being present and attentive to one's environment.

Meditation benefit: Go anywhere and do anything with your own personal holodeck of the mind

Meditation can transform into a creative and fun experience, allowing personal exploration and joy.

Zen Master Seung Sahn, "What do you think about the beginning of this world?"

Your perception creates the reality of time and space, making you the architect of your own world.

Do you hear the murmuring sound of the mountain stream?

The essence of learning Zen lies in being present and attentive to one's environment.
moremindfulness

Courage doesn't always roar

Courage doesn't always roar.Sometimes courage is the quiet voice at the end of the day saying, "I will try again tomorrow."

Universal Types Want It All, Existential Types Play It Cool: Covariance and Contravariance...

Universal and existential quantifiers in type theory differ in covariance and contravariance, affecting type interactions in Scala generics.

This week in #Scala (Nov 11, 2024)

Welcome to the new edition of #ThisWeekInScala!
This blog keeps you updated with the latest Scala and Reactive programming news.

Real-Time Recommendations Using Apache Storm and Kafka in Scala

Implementing a real-time recommendation system using Apache Storm and Kafka can effectively process large streams of data in real-time.

Tuple Trouble and Case Class Shenanigans: Scala's Wild World of Product Subtyping!

Product subtyping in Scala allows for flexible relationships in tuples and case classes, mainly via weakening and substitution.

How to use these mantras as reminders in different situations (Sri Nisargadatta Maharaj)

Sri Nisargadatta Maharaj provided practical guidance on using 'I am' mantras in various situations to cultivate awareness and separate identity from physical and emotional experiences.

Python Metaclasses in Eight Words

Metaclasses in Python allow for dynamic class creation and behavior modification, showcasing the unique relationship between types and classes.

This week in #Scala (Nov 4, 2024)

Welcome to the new edition of #ThisWeekInScala!
This blog keeps you updated with the latest Scala and Reactive programming news.

FREE: Discover the Power of Spark Streaming with Scala-Build Real-Time Data Skills!

Spark Streaming with Scala enables real-time data processing, essential for developers and data engineers in a digital world.

ZIO 2: ZIO JDBC examples (SQL select, insert, drop, update, delete, transactions)

ZIO JDBC library has a new maintainer, ensuring continued access to its features and examples.
from InfoWorld
1 month ago

Google releases differential privacy software for JVM

Google's PipelineDP4j simplifies the implementation of differential privacy for Java developers.

Mastering the Complexity of High-Volume Data Transmission in the Digital Age | HackerNoon

Businesses must leverage real-time data processing tools like Apache Kafka to remain competitive as online data continues to grow exponentially.

This week in #Scala (Sep 30, 2024)

Welcome to the new edition of #ThisWeekInScala!
This blog keeps you updated with the latest Scala and Reactive programming news.

This week in #Scala (Sep 23, 2024)

Welcome to the new edition of #ThisWeekInScala!
This blog keeps you updated with the latest Scala and Reactive programming news.

This week in #Scala (Oct 14, 2024)

Welcome to the new edition of #ThisWeekInScala!
This blog keeps you updated with the latest Scala and Reactive programming news.

This week in #Scala (Oct 28, 2024)

Welcome to the new edition of #ThisWeekInScala!
This blog keeps you updated with the latest Scala and Reactive programming news.

A ZIO HTTP "Hello, world" example with description and key points

This example illustrates a simple ZIO HTTP server with basic functional programming principles.

Scala with Cats 2

Scala with Cats 2 update in progress, focusing on Cats 2 features like Parallel for improved error handling.

Scala 3 Manifesto 0.1.0

Over the weekend, I created Scala 3 Manifesto 0.1.0, a small library to re-implement scala.reflect.Manifest in Scala 3.
...
scala.reflect.Manifest

Postmortem of Scala 3.6.0

Incident Date: October 18th, 2024 Nature of the incident: Accidental release of 3.6.0-RC1 under 3.6.0 on Maven Central

(In)Validating Library Design. DomainDocs4s: DDD, Reflection & Classpath Scanning.

Last week I got an idea.
...
This post goes through the process of transforming that idea to a draft of library design and then checking its technical feasibility.

How to use microservices architectures in Kubernetes to improve developer experience - Amazic

Kubernetes is essential for managing microservices, helping enterprises achieve scalability and flexibility in software applications.

Mastering Microservices: Building Effective Architecture Governance for Scalability and Stability | HackerNoon

Microservices architecture offers scalability benefits but introduces operational complexity; governance practices are essential to manage these challenges effectively.

Java 23

Java 23 enhances developer productivity and accessibility with features like primitive patterns and Markdown documentation.
New APIs simplify class file manipulations and improve stream processing capabilities.
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