Projections of Beziers in pdfs

An educational wild goose chase involving PDFs, beziers and perspective projections.

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Receipts for votes, receipts as lottery tickets

I watched while the bulky machine swallowed my two oversized pages. My offspring had described my activity as "Daddy is drawing circles". It looked like one of those older laser printers, but in reverse. I stared at it for a few seconds longer than necessary. I felt that I needed something to come out. An …

(Not) Dodging Greenspun’s tenth

I kind of dodged Greenspun's tenth law, but then I didn't: I think eventually the scripting language will be accidentally Turing complete in some weird domain, like where the space-time in the solar system is the tape with space ships writing on this tape.

Examples as documentation; documentation as specifications

Software with no documentation is like no software. If there is no description¬†of how people can run your program, what kind of inputs and outputs it deals with and how you can interact with it most people will derive no benefit from your software. This goes both for "end user" programs as well as for …

Backing up Android photos

(I used to put things like this in my assorted-experience blog, but life's too short to have two blogs. Ok, three blogs. This will, most likely, not be of use to you.) My phone was complaining that it was running out of space. Somehow I had used up my 32 GB of memory. Anyone with …

Laser printer causes lights to flicker and also confuses cat.

It's been a few decades since a lab getting a laser printer was a bit of a status symbol.¬† I remember the thrill of being in a lab that had it's own laser printer (we perhaps shared it with a neighboring lab, but we thought of it more as us sharing it with them, rather …

Re-focusing on simulation

The solar system simulator has a display and a compute part. I want to keep the display part minimal because I'm really interested in learning and coding up things that go into simulation and computation. The vast majority of commits since July 11th have been spent on the display so now I think is a …