rich

rich has written 7 posts for richashworth.com
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Scrap the Boilerplate in Scala with Lenses

Case classes provide a convenient way of working with immutable objects in scala. Manipulating fields within them can be tedious, however. In this post, we will look at how lenses can be used to abstract over this complexity while preserving the benefits of immutability. (more…)

planning poker cards

Agile Estimation For Distributed Teams

The scrum teams I work with use Planning Poker to estimate the size of user stories. This has proved to be an extremely useful technique, and we rely on it to plan work for upcoming sprints. In the past, we used special card decks for these games, which worked well when everyone was based in […]

flamenco-clap

Steve Reich’s Clapping Music with Scala and Akka

Using functions to express musical ideas is nothing new: Harmony, time signatures, the relations between notes in a scale and musical form all have their roots in mathematics, and composers have used mathematical abstractions for millennia (see Pythagorean Tuning for a 2500-year-old example). These abstractions, however, are not always obvious from they way that music is written down, […]

LCD Digits with Scala

I recently attended one of the coding dojos run by the London Scala User Group. It was great fun, and I’d recommend getting involved to anyone who’s interested in meeting other developers and learning more about scala and functional programming. After breaking into groups, we set about tackling the ‘LCD Digits’ problem from cyber-dojo.org. Although […]

Using the iPad as an IDE

I’ve been working through Aaron Bedra’s set of clojure koans recently in an effort to improve my functional programming skills and try something new. I’ve found it difficult to make time at my desk for this, so I set up a development environment on my iPad. It’s worked surprisingly well, so I thought I’d share my […]

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Richard Ashworth
Technical Lead at Goodlord
Experienced software engineer and technical lead. Passionate about functional programming, agile methods and domain-driven design. Check out my blog at richashworth.com

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