LispForum

If you need binary portability, you might have to use a specific lisp. There are a few ways to do it: Lisp produces an executable (or a DLL). Some Commerial lisps do this. The resulting binary/dll will probably be in the 50 meg range. Compile to C, use that to build distributable executables. Compil...

Yes its not binary. The link you gave says pack should return a string, and unpack take a string. I'm guessing you want serialization of objects? Yes this is tricky, and C does it pretty well, since in C you can access the raw bytes. You have a few options, pick your poison. Use C data structures an...

Yes, there is a pack.
SBCL-only matters when you plan to run your code on other lisps. If you're only working with one, use the time saving devices it gives you.

I just slurp the file into memory and access it with pointers. Something like this (in SBCL): (let ((data (read-sequence ...))) (sb-ext:with-pinned-objects (data) (let ((sap (sb-sys:vector-sap data))) (sb-sys:sap-ref-32 sap 0)))) ;; First word. Files suck in every language, I've always found it easi...

If we have that many registered lurkers, imagine how many unregistered ones we have.

loop is a mini language within lisp , like format. (loop for a in '(1 3 5) do (format t "~%Value: ~a" a) do (format t "~%Value (again): ~a" a) do (format t "~%One last time: ~a" a)) Will show that those do's run sequentially. The confusion probably stems because Lisp (...

I'm all for simplicity, and I'll take it in whatever form it comes in, low level or high. Resolution independence shouldn't be that hard: turn +width+ and +height+ to *width* and *height*, set them to your resolution and rerun the program. That is how postscript does it, it's just a variant of Forth...

I wanted to demonstrate the simplicity of raw pixel pushing. I wrote the library I was talking about, it took under an hour. It requires SDL, SBCL, and no other libraries. Makefile gfx.so : gfx.c gcc -c -fPIC `sdl-config --cflags` `sdl-config --libs` gfx.c && ld -shared -o gfx.so gfx.o gfx.c...

Add an 'n' and become 'newfang' short for newfangled. There are three main hurdles before you: The first hurdle is to get lisp (any lisp) running. The second is to get an IDE you can live with The third is to familiarize yourself with the basics. Get a good starter book and retype and run the exampl...

You're not teaching trigonometry, but basic geometry. You're still working from coordinates, just abstract ones. fd 1 (forward one, in a hypothetical dialect) could be one pixel (it was in Apple Logo) but it could also be an arbitrary distance, with 1.235 as a possibility, as well. Advocating direc...