Tag: Functional programming
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Functional JavaScript: how to use array reduce for more than just numbers
Posted on July 6, 2019, Level intermediate Resource Length long
An artcile by James Sinclair about reduce in JavaScript. Reduce is the Swiss-army knife of array iterator. It's really powerful. So powerful, you can build most of the other array iterator methods with it, like .map(), .filter() and .flatMap().
Tags programming functional-programming javascript
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Lessons learned while writing a Haskell application
Posted on June 24, 2019, Level intermediate Resource Length long
Gabriel Volpe in this article writes about his experience with Haskell. He introduced Haskell at his last job and wanted to put into practice all the stuff he learned: take the good, leave the bad.
Tags programming software functional-programming akka scala
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Distributed systems with RabbitMQ
Posted on June 5, 2019, Level intermediate Resource Length medium
In this article we're going to talk about the benefits of distributed systems and how to move to distributed systems using RabbitMQ. Then we will learn the fundamentals of RabbitMQ and how to interact with it using Python. Written by Denis Orehovsky.
Tags devops erlang functional-programming distributed
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OOP vs. functional programming. The pursuit of extensibility
Posted on March 17, 2019, Level intermediate Resource Length medium
Adam Gajek about his experience with Scala programming language and about criticism about its mixed Functional and Object-Oriented Programming nature. He decided to compare both approaches in terms of extensibility based on the Expression Problem formalized by Computer Science Professor, Philip Wadler, who greatly contributed to the development of Functional Programming.
Tags scala java functional-programming
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Practical introduction to functional programming
Posted on February 5, 2019, Level beginner Resource Length medium
Mary Rose article focusing on practical aspects of functional programming. Many functional programming articles teach abstract functional techniques. That is, composition, pipelining, higher order functions. This one is different. It shows examples of imperative, unfunctional code that people write every day and translates these examples to a functional style.
Tags javascript programming web-development functional-programming
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The Futures in Scala
Posted on December 25, 2018, Level beginner Resource Length medium
Álvaro Navarro wrote this interesting short tutorial on Futures in Scala. In it he explains the nuts and bolts of dealing with Futures in Scala and Akka. Futures allow to perform many operations in parallel in an efficient and non-blocking way, but dealing with multiple operations can be a real headache.
Tags scala programming java functional-programming
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Create your first AWS Lambda using Rust
Posted on December 6, 2018, Level intermediate Resource Length short
Blog post by Konstantin Kostov about how he created serverless function in Rust programming language and deployed it to AWS. It was an example AWS Lambda function tasked with checking if a provided serial number is correct and that it is unique (not already part of an existing dataset).
Tags programming functional-programming software serverless streaming
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Deploying Clojure applications to Google Cloud
Posted on October 26, 2018, Level intermediate Resource Length medium
Guide by by Alexey Klochay, developer at CircleCI, focusing on continuously deploying Clojure apps to Google App Engine. At CircleCI they use Clojure heavily, but when he wanted to use it for his side projects he realized that cloud provider he was using required too much overhead for infrastructure. He started looking at alternatives that would give him CD right out of the box with as little configuration as possible.
Tags programming gcp miscellaneous google functional-programming
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Build a Hello World API with Scala and Akka HTTP
Posted on August 29, 2018, Level intermediate Resource Length short
Miguel Lopez short and sweet tutorial about building a Hello World web application with Akka. Akka is a popular actor-based toolkit for building concurrent and distributed applications in the JVM. These applications mostly use Scala or Java.
Tags devops akka scala functional-programming web-development apis
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Scalaz 8 IO vs Akka (typed) actors vs Monix
Posted on July 24, 2018, Level advanced Resource Length long
There's a couple of hot development areas in the Scala ecosystem, and the competition between the various side-effect wrappers is one of the most interesting. Adam Warski article comparing various options and trying to find the answer to the question: Can you really replace an Actor with an IO or Task?
Tags akka scala functional-programming
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BeamParticle -- polyglot dynamic programming engine
Posted on February 17, 2018, Level intermediate Resource Length medium
Neeraj Sharma introduction into BeamParticle -- an open source project built on top of the Erlang virtual machine (BEAM), which allows dynamic (re)programming in multiple programming languages. The project supports six different programming languages; namely: Erlang, Elixir, Java, Python, Efene, and PHP.
Tags programming erlang functional-programming elixir
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Journey into concurrent programming in Scala
Posted on February 15, 2018, Level advanced Resource Length medium
Justin LeFebvre interesting article about building a number of highly available Scala web services and making the most impact by modifying code to maximize CPU utilization on a per service basis. Enter the "scala.concurrent.Future" type!
Tags programming scala functional-programming