A blog about software engineering, programming languages and technical tinkering
Posted by Simon Larsén in Programming
Earlier this week, I came across a situation where someone wanted a QR code to "have 300 DPI so it looks good when printed". As I don't have much experience with image formats, it took me a while to figure out what the actual request was: to print the QR …
Posted by Simon Larsén in Programming
Humans aren't great at multitasking. You can focus on just about one thing at a time. This doesn't mean that you can only do one thing at a time, because not all things you do require your full attention. For example, try walking around, but before taking each step, really …
Posted by Simon Larsén in Blog
Over the past couple of years, I've half-heartedly tried to keep up with the bar I set for open source contributions back when I was in university. It has not been easy, and ultimately I haven't been able to align my current projects with where I'm taking my career. I's …
Posted by Simon Larsén in Reviews
The world of cybersecurity is full of perils. Many of those perils stem from misconceptions about the nature of cybersecurity. If you come to the insight that perfect security is unachievable, you may reach the conclusion that being concerned with cybersecurity at all is a waste of your time. After …
Posted by Simon Larsén in Programming
Back when I was in university, I had a teacher in database systems who also did contract work as a database administrator. He told me that 90% of his work was to just add and reorganize indexes to speed up queries. That was almost 10 years ago, and I'm now …