So you’ve written your tests in Jest and now you’re either getting warning messages in your console, perhaps about event emitters or memory leaks, or maybe you’ve pushed up to a remote repository like BitBucket and now your Pipelines are failing and you can’t quite figure out why. I’ve had Read more…
The most amazing numbering system that you’ve never heard of. Cistercian Numerals were created in the thirteenth century (CE) by the Cistercian monastic order. They look a lot like Norse Runes but they are actually a very cleaver numbering system that allows you to store any value between 1 and Read more…
So you have a component in your application that uses a file input to return a FileList and now you want to write some tests for it, there is a problem however, JavaScript doesn’t provide a constructor for FileList’s meaning you can’t do anything along the lines of: Now you Read more…
I’m about to write a couple of posts that involve the use of Symbols in JavaScript so thought I better do a quick primer that I can link to for people who aren’t familiar with them. What are Symbols A Symbol is a JavaScript primitive (like a String, Boolean, or Read more…
The Symptoms You have empty coverage reports or there are files missing from your coverage report. You’ve definitely written tests that include those files and can’t figure out what you’re doing wrong. Note that I had this issue with Vue.js and the Vue CLI specifically, it could also be an Read more…
Something that I’ve been looking forward to using post Node 16 is structuredClone(). It’s been available in browser for a little while and was introduced in Node version 17.0.0, it’s an answer to the lack of a decent way to clone objects in JavaScript. Making a shallow clone of an Read more…
Most of us working in software development have probably heard of Quantum Computers and Qubits, you may or may not currently have some understanding of what they are, but did you know you can play around with some real Qubits, running on actual Quantum Computers, online, for free? This was Read more…
Why does it matter? I often discover great new things by looking at other peoples dot configs or seeing what someone has installed while watching a video on YouTube. With that in mind I thought I would write a post sharing some of my favourite themes, fonts and extensions for Read more…