Hi there!

I am Sebastian Schöner, and you are most likely here because you enjoy programming as well.

Choose your adventure:

• read my blog via the archive, or just continue below
• follow me on Mastodon or Bluesky or maybe even LinkedIn
• get in touch with my consulting business kerntief AB
• send me an e-mail
• play some of my poorly explained puzzle games like Block Machine or Patterna

• How does the Windows linker handle exported data?

  Posted on June 15, 2025

  I recently had to understand the details of what happens when on Windows you have a global variable in a DLL and try to use it from another. I did not find this spelled-out anywhere, so let’s change that. [Read More]

• How The Mods Made Me

  Posted on May 18, 2025

  Recently I got a message from someone that ran into a performance problem with a tool I wrote 15 years ago. On shutdown, the program would completely grind the entire machine to a halt for 3 minutes. Was I able to help them? A little bit, I think: We had... [Read More]

• Invisible loads and why I like free-standing functions

  Posted on May 8, 2025

  I have been grappling with a really silly C++ problem for a long time: I don’t like member functions, but I need to write member functions to get a decent programming UX. Member functions give me two things: scoping and discoverability. Scoping is the lesser of the two, because my... [Read More]

• More lessons from parenting

  Posted on May 5, 2025

  Today is my daughter’s fourth birthday. I have already previously written a few words about how parenting has changed me, and I want to continue with that today. One thing that changed recently is that my perspective on birthdays has changed, in a subtle way: Growing up as a kid... [Read More]

• Passing stuff by value and ABIs

  Posted on April 30, 2025

  I have in the past had this very romantic belief that when you pass a struct by value the compiler will lovingly select the right combination of registers to carefully craft the perfect packing of your arguments, for maximum efficiency. Unfortunately, that is not how reality works. This post is... [Read More]

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