Tour of Akka Typed: Message Adapters, Ask Pattern and Actor Discovery
Posted on September 17, 2019, Level advanced Resource Length medium
An article in series by Manuel Bernhardt in which he explores the basics of the Akka Typed API, why it was created and what are its benefits in comparison to the classic Actor API, how to build typed actor systems via protocols and behaviors and how to create typed actors.
Posted on August 25, 2019, Level beginner Resource Length short
Short explanation focusing on gRPC and it's implementation in Akka (Scala). gRPC is a transport mechanism for request / response and (non-persistent) streaming use cases. Akka gRPC is Open Source and available under the Apache 2 License.
Vue.js, Spring Boot, Kotlin, and GraphQL: Building modern apps
Posted on August 20, 2019, Level intermediate Resource Length long
An article by Vladimir Fomene about creating modern web applications. You will create a GraphQL API using schemas, queries, mutations, and entities stored in a H2 database engine.
Benchmarking Functional Error Handling in Scala
Posted on August 19, 2019, Level advanced Resource Length long
Conventional wisdom has it that using too many functional abstractions in Scala is detrimental to overall program performance. Yet, these abstractions are an immense help if you want to write clean and abstract code. in depth article by Marcin Rzeźnicki.
Java theory and practice: Explore new Java SE 11 and 12 APIs and language features
Posted on June 23, 2019, Level beginner Resource Length long
Mohamed Taman from IBM wrote this guide focusing on what is new in Java. New classes, security features, HTTP Client, and a no-compile code launch technique that every developer should know.
Tags java programming frameworks ibm
Comparison of 3 programming languages for a full-fledged next-generation sequencing tool
Posted on June 6, 2019, Level advanced Resource Length long
Study done by Pascal Costanza, Charlotte Herzeel and Wilfried Verachtert for new implementation language for elPrep. elPrep is an established multi-threaded framework for preparing SAM and BAM files in sequencing pipelines. To achieve good performance, its software architecture makes only a single pass through a SAM/BAM file for multiple preparation steps, and keeps sequencing data as much as possible in main memory.
Tags programming java golang performance
Small & fast Docker images using GraalVM's native-image
Posted on June 2, 2019, Level intermediate Resource Length medium
An article by Adam Warski focusing on optimization of deployment images. The JVM ecosystem has a lot of great traits, but small, cloud-deployment-friendly Docker images is not one of them.
Tags java docker programming devops
Using JaCoCo as code coverage tool for Scala
Posted on May 29, 2019, Level intermediate Resource Length short
Straight to the point guide by Miles Buckley focusing on open source coverage tool for Java.
Tags akka scala java programming
How to set an ideal thread pool size in Java
Posted on April 29, 2019, Level intermediate Resource Length medium
Anton Ilinchik is author of this post on Zalando site. We all know that thread creation in Java is not free. The actual overhead varies across platforms, but thread creation takes time, introducing latency into request processing, and requires some processing activity by the JVM and OS. This is where the Thread Pool comes to the rescue.
Tags programming java performance
How to tune garbage collection in Java
Posted on April 23, 2019, Level advanced Resource Length medium
If you want to learn more about performance tuning and garbage collection in Java, this article by Tim Ojo is for you.
Tags java programming
Dependency Injection in Scala -- Guide
Posted on April 17, 2019, Level intermediate Resource Length long
This is well written guide about dependency injection on Scala. Dependency Injection (DI) is a popular pattern which encourages loose coupling between a services' clients and service implementations.
Tags scala programming java oop
How Binary Search Algorithm works -- Java example without recursion
Posted on April 3, 2019, Level intermediate Resource Length medium
This older article on java67.com explores and explains binary search algorithm. The binary search algorithm is one of the fundamental Computer Science Algorithms and used to search an element in a sorted input set.
Tags programming java jvm