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Scala best practice: Use match expressions and pattern matching

Scala best practice: Use match expressions and pattern matching By Alvin Alexander. Last updated: February 16 2018 This is an excerpt from the Scala Cookbook (partially modified for the internet)....

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The Rust programming language

The Rust programming language By Alvin Alexander. Last updated: August 2 2016 Read more about The Rust programming language If you haven’t seen the Rust programming language before, this image shows...

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A Quick Review of Scala’s Case Classes

This is a page from my book, Functional Programming, Simplified A Quick Review of Scala’s Case Classes “The biggest advantage of case classes is that they support pattern matching.” Programming in...

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How to write “If string starts with” in Drupal 8 Twig templates

How to write “If string starts with” in Drupal 8 Twig templates By Alvin Alexander. Last updated: July 30 2017 If you ever need to write a “string starts with” comparison in Drupal 8 Twig templates, I...

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Scala: How to convert multiple spaces to a single space (regex)

Scala: How to convert multiple spaces to a single space (regex) By Alvin Alexander. Last updated: November 30 2017 Here’s a quick Scala example that shows how to convert multiple spaces in a string to...

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Scala/Java: How to write a pattern that matches a minimum to maximum number...

Scala/Java: How to write a pattern that matches a minimum to maximum number of specified characters By Alvin Alexander. Last updated: April 24 2018 If you’re using Java or Scala and need to write a...

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Kaleidoscope, a Scala pattern-matching library

Kaleidoscope, a Scala pattern-matching library By Alvin Alexander. Last updated: February 9 2019 URL https://github.com/propensive/kaleidoscope Read more about Kaleidoscope, a Scala pattern-matching...

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A little Scala `sed` class

A little Scala `sed` class By Alvin Alexander. Last updated: July 6 2019 A few times during the past year I got tired of trying to remember the Unix/Linux sed syntax while wanting to make edits to...

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Scala: How to use regex pattern matching in a match expression

Scala: How to use regex pattern matching in a match expression By Alvin Alexander. Last updated: July 11 2019 Scala FAQ: How can I use regular expression (regex) pattern matching in a match expression...

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My Scala Sed project: More features, returning strings

My Scala Sed project: More features, returning strings By Alvin Alexander. Last updated: July 11 2019 Table of Contents Basic use Using a Map Match expressions Sed limitations My Sed project Bonus:...

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