Blog Articles - page 2
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Scala's isInstanceOf is an Anti-Pattern
Scala has a much better way of discriminating between types. Scala has implicit parameters, with which you can describe type classes.
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On Bifunctor IO and Java's Checked Exceptions
Bifunctor IO is a hot topic in the Scala community. Herein I’m expressing my dislike for it, as it shares the problems of Java’s Checked Exceptions.
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In Defense of OOFP
OOP versus Type Classes, exemplified and in defense of the Scala collections redesign.
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Minitest: Zero Crap Scala Testing Library
Minitest is my minimal testing library that I’ve been using for developing Monix.
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What is Functional Programming?
FP is programming with (mathematical) functions, there’s no room for interpretation.
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Scala Days 2017 — Monix Task
My presentation from Scala Days 2017, Chicago (April) and Copenhagen (June), on the design of Monix’s Task.
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JavaScript's Promise Leaks Memory
JavaScript’s Promise leaks memory in recursive loops and what you can do about it.
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Automatic Releases to Maven Central with Travis and SBT
Enabling automatic releases for your open source Scala project with Travis and SBT.
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Functional Programming Inception (Presentation)
My presentation from the Bucharest FP meetup.
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Asynchronous Programming and Scala
Asynchrony is everywhere and it subsumes concurrency. This article explains what asynchronous processing is and its challenges.
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Fixing scala.collection.Iterator
The venerable Iterator interface we all love and hate could use some improvements. This is a follow-up to my previous article, in which I talked about getting rid of Traversable because the Iterable and Iterator duo is enough for Scala’s standard library.
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Why Scala's Traversable Is Bad Design
Traversable was a design mistake, is redundant and we should remove it.
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Add to NewsBlur Bookmarklet
An Add to NewsBlur bookmarklet that you can copy-paste for iPhone/iPad/Android usage
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Monix Task vs Scalaz vs Future, The Benchmark
The Task in Monix has really good performance. See the benchmark.
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Akka & Monix - Typelevel Summit, Oslo 2016
Presentation from Typelevel Summit, Oslo, 2016, about my experience in dealing with modeling behavior by processing asynchronous soft-real time signals using Akka & Monix.
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Monix Task - flatMap(Oslo) 2016
My presentation from flatMap(Oslo) 2016. It’s about the Monix Task, a new type for dealing with asynchronous processing on top of Scala and Scala.js.
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Avoid Javaisms: Mocks, Stubs, DI is Code Smell
Such practices represent clear signals for code smell, meaning code that sucks as a symptom of a bigger problem, one of design. The lumping together of these practices is not an accident, as they are related.
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Monifu vs Akka Streams
Back in June I attended Scala Days in Amsterdam and participated at a talk by Mathias Doenitz on The Reactive Streams Implementation Landscape. It was a good talk, yet I felt a little bias towards Akka Streams, which is natural coming from somebody that is contributing to Akka, but let me give you the perspective from the other side.
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Scala Best Practices
This is a collection of best practices for Scala, something to get you started.
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Resources for Learning Scala
Getting started with a new programming language shouldn't be hard, however navigating the web for resources on getting started with Scala can be a doubting experience, as many such resources are either out of date, or wrong, or both. This post is intended to reduce the noise for my colleagues and other people that are interested in Scala development.
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