d-p-why?
My Qt apps looked broken for months. Buttons clipped, scrollbars half-invisible, canvas artifacts. The culprit: my monitors report 94 DPI via EDID, and Qt’s ...
Recent Posts
MZ gone ROGUE
What does it take to load and run a 40-year-old DOS executable? A 28-byte header, a linked list memory allocator, a giant interrupt handler, and more patienc...
Getting intimate with x86
When you write a compiler, your work is usually done somewhere around the generation of machine-dependent assembly. But if you are like me, leaving cans of w...
Custom commands for gitk
I love extensible tools. Things that are simple and easy to learn, and yet support power user usage patterns. One thing that I particularly like when tools...
Make Kitty look like Xfce Terminal
I love Xfce. In fact, Xfce is the reason I am still using X11, despite being one of Wayland’s earliest contributors. But two weeks ago I made the switch from...
The std::map antipattern
Here is an antipattern I see every now and then in C++ codebases, and have even written myself: cpp std::map<int, Widget> where the map of the key is r...
TIL: git absorb
git absorb looks at your unstaged changes, figures out which commits on your feature branch they belong to, and creates the right --fixup commits automatic...
The msr files are weird
Have you ever read from or written to the /dev/cpu/*/msr files? If you aren’t in virtualization, RAPL monitoring tools, or performance analysis tools, chance...
Dipping my toes into FPGA development
I recently came across the “Sipeed Tang Primer 20k”, an entry-level FPGA. The internet claims that it can be programmed and used with an all-open-source too...
Podman: two minutes to sub-second
If your Podman containers take over two minutes to start, check your storage driver: $ podman info --debug | grep graphDriverName graphDriverName: vfs If ...