https://gernberg.com/categories/personal/ Recent content in Personal on Gustav Ernberg von Heijne https://gernberg.com/Gustav-Ernberg-von-Heijne-640.jpg https://gernberg.com/Gustav-Ernberg-von-Heijne-640.jpg Hugo en-us Sat, 26 Sep 2026 07:06:00 +0200 https://gernberg.com/2024/04/boom-in-da-box-3-0-black-box-edition/ Mon, 08 Apr 2024 17:45:43 +0000 https://gustav.ernberg.se/?p=401 A 20–30 kg boom box built from 13 mm plywood with 6x9" JBL speakers, inspired by aircraft black boxes and in use from 2012 to 2019. https://gernberg.com/2024/03/chill-out-box-2011/ Fri, 01 Mar 2024 22:39:52 +0000 https://gustav.ernberg.se/?p=381 Building a battery-powered speaker inside an empty wine box for the Peace and Love festival in 2011, where car batteries weren’t allowed. https://gernberg.com/2024/01/boom-in-da-box-v1-0/ Sun, 07 Jan 2024 22:10:00 +0000 https://gustav.ernberg.se/?p=423 The first homemade boom box from 2011: old Volvo car speakers, a car battery and an amplifier in a plastic box, built to be cheap and loud. https://gernberg.com/2024/01/photos-nye-food-prep/ Tue, 02 Jan 2024 22:38:24 +0000 https://gustav.ernberg.se/?p=364 Photos from preparing food for a New Year’s Eve dinner. https://gernberg.com/2018/12/fog-again/ Sat, 08 Dec 2018 01:05:19 +0000 http://gustav.ernberg.se/?p=225 More fog photography: a gallery of misty Swedish winter scenes from December 2018. https://gernberg.com/2018/10/visualizing-favourite-focal-lengths/ Mon, 22 Oct 2018 13:58:00 +0000 https://gustav.ernberg.se/?p=318 Choosing a prime lens by data: a short Python script using Pillow that reads EXIF data from my photos and charts which focal lengths I actually use. https://gernberg.com/2018/10/foggy-morning/ Fri, 19 Oct 2018 22:05:33 +0000 http://gustav.ernberg.se/?p=215 Sunshine breaking through the fog on a wonderful autumn morning. Two photos from October 2018. https://gernberg.com/2018/10/pixel-2-vs-a6000/ Tue, 16 Oct 2018 20:52:00 +0000 http://gustav.ernberg.se/?p=201 Is carrying a real camera still worth it? Comparing photos from a Google Pixel 2 smartphone with a Sony A6000 mirrorless camera. https://gernberg.com/2018/05/raksmorgas/ Mon, 21 May 2018 21:23:00 +0000 https://gustav.ernberg.se/?p=259 Two filenames that look identical but aren’t: how Unicode normalization (NFC vs NFD) of å, ä and ö caused mysterious 404s, and how to spot it. https://gernberg.com/2018/01/fog-danderyd/ Sat, 20 Jan 2018 16:10:30 +0000 http://gustav.ernberg.se/?p=91 Photos of a foggy landscape in Danderyd, Sweden. https://gernberg.com/2018/01/arc-de-triomphe-montpellier/ Wed, 10 Jan 2018 22:56:24 +0000 http://gustav.ernberg.se/?p=81 A photo of the Arc de Triomphe in Montpellier, France. https://gernberg.com/2018/01/animal-crossing-linkoping/ Mon, 08 Jan 2018 22:27:23 +0000 http://gustav.ernberg.se/?p=65 Photos of animals crossing the road in Linköping, Sweden. https://gernberg.com/2015/02/why-you-should-not-use-the-onedrive-shorten-url-feature-right-now/ Tue, 03 Feb 2015 20:57:28 +0000 http://gustav.ernberg.se/?p=19 OneDrive’s URL shortener served links over plain HTTP, breaking the encrypted chain and exposing shared Office 365 documents. Here is why that matters. https://gernberg.com/2015/01/how-does-scrum-affect-maintainability-and-usability/ Thu, 29 Jan 2015 13:05:04 +0000 http://gustav.ernberg.se/?p=10 A paper summarizing research on how the Scrum development process affects software maintainability and usability, available as a PDF. https://gernberg.com/2014/11/relaunching-the-blog/ Mon, 24 Nov 2014 22:55:18 +0000 http://gustav.ernberg.se/?p=5 The blog has moved to a new server and been wiped clean, making room for a fresh start with consistent English-language posts.