Simon Shine articles - 19 total
Minimal Sufficient Groups
This is a programming interview question I got some years ago and my solution. The job was writing...
Why you should be careful with the Default trait/typeclass
You heard it. Default considered harmful! tl;dr: Default has no defining or testable...
A review of JSON Schema libraries for Haskell
JSON Schema is a JSON format that describes JSON formats. It is mostly used to validate that a JSON...
Has-style traits in Rust
I recently experimented with Rust trait instances on bounded generic types. This is the fancy way of...
Writing code on doors
Did you ever see pseudo-code in job ads that looked like if ($you.like_to_work($here) === True) { ...
Implement Rust trait for all types that have another trait
Rust traits are powerful. A particularly neat thing you can do is implement a trait for several types...
A Terraform DNS moment
tl;dr: I stuck the IPv4 and IPv6 address of my VPS into an SPF record field text. I manage my DNS...
Fiat currencies are not one thing
When we discuss the potential future usefulness of cryptocurrency, we compare against existing...
jq hack #2: curl'ing the right binary on GitHub
Something I see quite often is a combination of grep and cut to extract URLs from JSON objects, for...
Hvorfor må jeg ikke eje en svensker?
Written January 1, 2003 The following essay is an adaptation of a letter titled Why Can’t I Own a...
Why rewriting version control history matters
Life is understood backwards, but must be lived forwards. --- Søren Kierkegaard A summary...
Efficient probability testing
I want share two open-source contributions that were lost on their original audience, yet has taught...
Baking metaphors in the imperative/declarative programming debate
tl;dr: Cake recipes contain both declarative and imperative parts. Declarative syntax is better for...
Extracting the KUBE_CONFIG for a DigitalOcean Kubernetes cluster from a Terraform .tfstate
When provisioning a Kubernetes cluster from DigitalOcean with Terraform, the .tfstate contains a...
Getting recursively drunk with monoids
Disclaimer: I am not a mixologist. This is not professional cocktail advice! Sam Horvath-Hunt...
What if, when you grep, it goes into pager mode when results don't fit one screen?
There is a general theme in GNU shell commands that if a program is able to deliver ANSI-colored outp...
jq hack #1: colored less
Sometimes you want to look at a lot of JSON output in the terminal. Sometimes this JSON output is...
"Parse, don't validate" using ViewPatterns
In 2019, Alexis King wrote the Parse, don't validate article that catches some of the essences of typ...
Aggressive refactoring
Here is a small example of aggressive refactoring in Haskell. I am in the codebase of a compiler for...