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Robin Hillyard

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The Return of the Native: part 3 — Being a Tourist

We had an amazing trip to Skye over a six-day period in October. By car, it’s a two-day trip each way although that does allow for stops…

Nov 9, 2023

The Return of the Native: part 3 — Being a Tourist

Nov 9, 2023

Yet Another Article on Monads

How to think about Monads when programming in Scala.

Nov 4, 2024

Yet Another Article on Monads

Nov 4, 2024

I hope you’re doing well

Whose idea was it to instruct the writers of letters and emails to begin with this insincere introduction?

Nov 4, 2024

I hope you’re doing well

Nov 4, 2024

Why is there no right-handed list type in Scala?

In theory, at least, lists come in two types: left-handed and right-handed. What’s that you say? I’m using the term left-handed for lists…

Sep 27, 2024

Why is there no right-handed list type in Scala?

Sep 27, 2024

The Return of the Native: Part 2

Hard to believe, but more than one month of our twelve has already passed and we’re only just feeling somewhat settled in. We did have…

Oct 17, 2023

Erithacus Rubecula

Oct 17, 2023

The Return of the Native

“ASaturday afternoon in November…”

Sep 10, 2023

The Oxford Canal

Sep 10, 2023

The Sherlock Holmes Guide to Programming, Debugging, and Performance Tuning

Three useful guidelines for good programming and systematic debugging.

Jul 31, 2023

The Sherlock Holmes Guide to Programming, Debugging, and Performance Tuning

Jul 31, 2023

Scala’s versatile unapply method

Preparing some code for my latest batch of Scala students, I wrote a Scala FizzBuzz. The straightforward, obvious, way to write the…

Jan 7, 2023

Jan 7, 2023

I agree with your premise, but I believe you don't go far enough.

Aug 17, 2022

Aug 17, 2022

Many many years ago, I had problem in FORTRAN which took me a very long time to find.

Jul 25, 2022

Jul 25, 2022

The Arbitrary Substitution Principle

The Arbitrary Substitution Principle (ASP) relates to code such that, if you changed the order of the terms of an expression, the code…

Jan 26, 2022

The Arbitrary Substitution Principle

Jan 26, 2022

Published in
CodeX

An identifier, by any other name, …

There are times when it’s obvious what we should call a variable or method parameter:

Oct 31, 2021

An identifier, by any other name, …

Oct 31, 2021

Published in
CodeX

Fuzzy, lazy, functional numeric computing in Scala

This is the third and (thankfully) the last of my articles on Number, an open-source library of things numerical. The previous articles…

Aug 31, 2021

Fuzzy, lazy, functional numeric computing in Scala

Aug 31, 2021

Number (part 2)

Following on from my previous article on Number, an open-source numeric library in Scala, I will discuss the mechanism of lazy expression…

Aug 25, 2021

Number (part 2)

Aug 25, 2021

Published in
CodeX

Number (part 1)

Back when I was starting out in programming (late 60s), I wondered why scientific/math computing so often got things wrong. In those days…

Aug 10, 2021

Number (part 1)

Aug 10, 2021

Composable Scala Matchers

Introduction

Jun 22, 2021

Composable Scala Matchers

Jun 22, 2021

Published in
CodeX

Flog: a functional logger for Scala

Logging can, unfortunately, be either a blessing or a curse. For production systems, logging is a discipline all of its own. But often, it…

May 12, 2021

Flog: a functional logger for Scala

May 12, 2021

Robin Hillyard

Robin Hillyard

I’ve been addicted to programming for over 50 years now. I currently teach two classes to graduates at Northeastern University, Boston, USA.

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