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 Read more…
The Problem I had another developer ask me about this a few months ago. He had a SystemD service that kept dying, there didn’t seem to be a consistent pattern to when it died but it always happened at 1AM. 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 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 Read more…
The Peter Principle was most famously described in a book of the same name by Laurence J. Peter and Raymond Hull. The principle states that over time people in a hierarchy who are good at their job tend to get Read more…
What Is It? I recently learned about the bat command available on Linux and wanted to share it in case it was useful to anyone else. If you’re like me and you find it easier to read log and config 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 Read more…
Believe it or not Volkswagen have been making sausages since 1973 and the Volkswagen currywurst (Part No. 199 398 500 A) is supposedly Volkswagens most produced part. It’s sold not only in the canteens of their factories but at supermarkets 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 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 Read more…