Published inCompendium·May 22Don’t Hide Standard Libraries behind Facades!From time to time one needs to check whether an argument or a variable is null, and in Java you can do that in (at least) two ways: compare it directly to null (obj == null), or use the method Objects.isNull(obj). But sometimes I come across code bases where they…Facade Pattern5 min readFacade Pattern5 min read
Published inCompendium·Nov 24, 2022Why Are There So Few New Programming Languages?When was the last time you heard about a new programming language? And by that I mean a programming language that introduces some new concepts or tries to do things in a totally different way, not yet another variation on the same (C-)theme. It’s possible that I missed out on…Programming Languages3 min readProgramming Languages3 min read
Published inCompendium·Apr 26, 2022Hvor er alle nye programmeringsspråk?Denne teksten ble først publisert hos Kode24. Det slo meg for et par uker siden at det er lenge siden jeg har hørt om et nytt programmeringsspråk som på en grunnleggende måte legger om på ting. Det siste store må ha vært funksjonell programmering og utvikling av mobile apper, og…Programmeringsspråk3 min readProgrammeringsspråk3 min read
Feb 25, 2022Schott’s “Best of Piano Classics” Sorted by DifficultyIf you’re learning to play the piano, and you try to find a notebook to play some classical pieces, you will almost certainly come across Schott’s “Best of Piano Classics — 50 Famous Pieces”. I bought it a while ago, and I recommend it to everybody. The book is of…Piano1 min readPiano1 min read
Published inCompendium·Feb 17, 2022Fem lærdommer fra Log4ShellDenne teksten ble først publisert hos Digi.no. Det har nå gått litt over en måned siden det ble publisert en sårbarhet i Apache Log4j-rammeverket. Sårbarheten, som går under kallenavnet Log4Shell, ble utnyttet ganske raskt, og mange virksomheter, både her i Norge og i resten av verden, måtte stenge ned en…Log4shell5 min readLog4shell5 min read
Published inCompendium·Jan 4, 2022How to Sharpen Your Unit TestsWhen I’m working on my hobby projects, I try to follow the principles of TDD as good as I can. Writing a failing unit test before I implement a new feature or change an existing feature is one of those principles. I also follow up test coverage to make sure…Unit Testing5 min readUnit Testing5 min read
Published inCompendium·Nov 17, 2021Eleven Technical Requirements to Add to Your Next Software Product RfPRecently, I was asked to give my input on a RfI (request for information) from a company considering to buy software products off the shelf. They had already divided the functionality they want to see covered into subdomains, and realized that they probably had to buy a number of products…Software Product4 min readSoftware Product4 min read
Published inCompendium·Jan 21, 2021How “Simple Things” Quickly Become Complicated in Software Development“There’s this little thing that we would like to see automated” — how often haven’t you heard this, knowing that it’s not going to be a little thing at all? Or maybe you’ve said it yourself, even though you know better? Why is it that simple things never stay simple…Teknologi5 min readTeknologi5 min read
Published inCompendium·Jul 21, 2020Confidential Computing — er det virkelig mulig?Forrige uke annonserte Google på første dag av Google Cloud Next ’20 et teknologisk gjennombrudd som de kalte for “Confidential Computing”. Med denne annonseringen tilgjengeliggjør de en ny betatjeneste, som de kaller for “Confidential Virtual Machines” (Confidential VMs), og den skal hjelpe til med å få enda flere kunder over…Confidential Computing3 min readConfidential Computing3 min read
Published inCompendium·Apr 2, 2020My Six Years with #NoEstimatesIt has been six years now since I first came into contact with the #NoEstimates movement. I was attending the OOP conference in Munich, and went to Vasco Duarte’s session called “How to improve estimates for software: The #NoEstimates view”. For me, it was an eye-opener, not in the sense…Teknologi3 min readTeknologi3 min read
