24. 4. 2025
Install common lisp and rlwrap
sudo apt install sbcl rlwrap
rlwrap runs the specified command, intercepting user input in order to provide readline’s line editing.
Run lisp repl
Test
Add 3 numbers
(+ 1 2 3)
; should return 6
Hello world (~% stands for newline)
(format t "hello world~%")
Hello world as a function
(defun hello-world () (format t "hello world~%"))
(hello-world)
Hello world as a selfpropeled script with shebang that works on Debian
#!/usr/bin/sbcl --script
(format t "hello world~%")
Books
https://gigamonkeys.com/book/
Practical Common Lisp published by Apress These pages now contain the final text as it appears in the book.
23. 4. 2025
http://alvyray.com/Memos/CG/Microsoft/6_pixel.pdf
https://news.ycombinator.com/item?id=43769959
A pixel is a point sample. It exists only at a point. For a color picture, a pixel might actually contain three samples, one for each primary color contributing to the picture at the sampling point. We can still think of this as a point sample of a color. But we cannot think of a pixel as a square—or anything other than a point.
11. 4. 2025
https://www.youtube.com/watch?v=sCr_gb8rdEI
Twenty years ago, Linus Torvalds created the basis for Git in just 10 days, forever changing how developers collaborate on code. In this candid interview, Linus Torvalds discusses Git’s unexpected journey from a Linux kernel management tool to the foundation of modern software development.
1. 4. 2025
Zellij multiplexer, duh4, vim, nginx status, ollama llama.
1. 4. 2025
A patch for optimizing GIMP 3.0+ for Adobe Photoshop users
https://github.com/Diolinux/PhotoGIMP?tab=readme-ov-file
1. 4. 2025
The Cupra Born is a battery electric compact car/small family car marketed by SEAT
manual: https://www.cupraofficial.com/datamanual-manual/manuals/cupra/pdf
wikipedia: https://en.wikipedia.org/wiki/Cupra_Born
