Scala 3: Returning implicit function literals
When I recently looked at implicit functions in Scala 3 (still only available as a pre-release compiler codenamed 'Dotty') I wondered: What if we need to perform an expensive operation…
Implicit Functions in Scala 3
One of the many new things in Scala 3 (still only available as a pre-release compiler codenamed 'Dotty') is the ability to define implicit functions - lambda functions with only…
Docker Multistage Builds
In one of my current projects, we used Create React App to set up a React project. Our build pipeline is built around Docker containers, the build runs in a…
Get sublime help with git commit messages
Use Sublime Text - my preferred text editor Configure git to use Sublime Text to edit commit messages by: git config --global --replace-all core.editor "subl -w" (on macOS) git config…
Accessing the Aurelia viewModel from the browser
If you want to accessing the Aurelia viewModel from the browser console, note that there's a difference between the element hosting the Aurelia app itself, and an element hosting an…
Empty if null – Preventing null infections
In OO-style development, the value null causes endless issues. In FP-style development null is a much smaller problem, because using null isn't ideomatic style. In FP, instead of using null…
Copy commits from one git repo to another
If you have done some work in one (or more) repos, that you want to transfer into a different target repo, you can of course simply copy you work to…
Fork and Switch – Pointing a git workspace to a fork
So, I'm in a couple of projects where all developers have push access to a Github repository, but we'd like all developers to move over to using a pull-request based workflow to encourage code reviews.…
Multimethods and default arguments
I had a situation the other day on my Clojure project, where I wanted to refactor a (parsing-related) function that was becoming too complex (ironically named "simplify") that looked like…
Implementing for Robustness (cont’d)
Focus: Robustness Description: Set robustness goals, and consider what should happen, and what should not happen in the face of likely (and less likely) errors. In the previous post we…