I don't update my home page much.
Most of my web time away from work is spent updating the Graflex.Org and Curta.Org sites that I publish. Here is the obligatory weblog.
I publish the following web sites. Please visit them.
|Dedicated to promoting the use and preservation of Graflex Speed Graphics and other classic American cameras.|
|For Curta mechanical calculators.|
|Pictures of Becky and me.|
|Becky's home page.|
|Read about Ursula's Really Big Adventure. (Sadly, Ursula is no longer with us.)|
|See http://www.w3.org. I was the Xerox representative of to the World Wide Web Consortium, the standards body for the web.|
|I was an editor of the XForms 1.0 recommendation. For more information, see http://www.w3.org/Markup/Forms.|
These are projects I've done. Check them out.
I have a variety of packages for enhancing this exciting product: Hiptop Software.
Ever wanted to copy use a | and get little dots to appear showing you something has happened? Use progress.
I have a SonicBlue Rio Receiver. Jeff Mock got it to run under Linux, and I made some updates to the software. Here's my updated software. I've sent the changes to Jeff.
For my code and images, see here.
A remote controlled meter widget
diSessa, A. A. (1985a). A principled Design for an Integrated Computational Environment. Human-Computer Interaction, 1(1), 1 - 47.
I used the ARPA Net starting in 1979, which is coincidentally around the time USENET was created as well. Here are some early USENET postings, the earliest from 1982.
Various Emacs hacks Emacs is the ultimate programmer's editor, under development since the late 1970's. The original version was written in TECO and ran on the DEC PDP-10. I worked on it for a while at MIT. Later, Richard Stallman and the Gnu Free Software Foundation re-wrote it in a interpreted/compiled Lisp, and it's been quite succesful. It runs on Unix, Windows of various sorts, and other operating systems. Before Java, it was the only really good example of writing the entire system in a scripting language running on a standard OS (as opposed to grafting an extension language onto some system already written in C or something).
I designed and implemented M-$ for Emacs in TECO, announced by RMS September 1981.
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