they read;
http://del.icio.us/inbox/kragen helps, too. However, those approaches
take some work per page: you have to explicitly post a link to each
page to tell me you liked it. It's nearly the same amount of work as
telling me about cool web pages when we're hanging out at the water
cooler. So we
to use is more
useful to large organizations with lots of money. Free software and
easy-to-use software are useful to a wider range of people.
I believe that societies work best when the widest possible range of
people are well-informed.
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nodes, perhaps with a slot for properties, rather than
large structures containing many pointers. This allows structure
sharing, which can greatly decrease the space required to store a
parsed document.
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A well designed
auditory output and accept input
by shocks or sounds. It could look like the Bao Ding iron balls
you're supposed to use to exercise your hands.
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Irony and sarcasm deflate seriousness, and when your seriousness becomes detum
.
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What we *need* is for some advanced off-world sentience to carpet nuke planet
Earth from high orbit. Call it Equal Opportunity Ethnic Cleansing. I mean,
racism is so petty. Why play favorites? -- RageBoy
now includes
APL, Unix, and Lisp.
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We have always been quite clear that Win95 and Win98 are not the systems to
use if you are in a hostile security environment. -- Paul Leach
The Internet is hostile
.c.knight%40juno.com
[8] http://www.charkbait.com/cs/cshL.htm
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This radically anti-cynical approach to life is not just a shared
disposition but also an act of conscious dissent. -- Alan Bershaw, on the
attitude of Jewel fans
PROTECTED] Kragen Sitaker http://www.pobox.com/~kragen/
Techno addiction. More expensive than crack, keeps you up longer than
coke, makes you fatter than pot, but hey... it's legal.
-- Tim Byars [EMAIL PROTECTED]
to repeat stories told by others, but when they do, they
will make sure you know how closely associated they are with the
original teller. (I just noticed that my above remark about Sammy
Hagar confirms this.)
Do these predictions hold true, in your experience?
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pointer and
continuing up to the order-k pointer, after setting all of the node's
out-pointers; while the deletion algorithm starts from the order-k
pointer.
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To forget the evil in oneself is to turn one's own good -- now
= 3 * x * y + 2 * x - y + 13
print myexpr
(3 * x) * y) + (2 * x)) - y) + 13)
myexpr.where(x=3, y=3)
43
myexpr.where(x=0, y=0)
13
print myexpr.derivative(x).simplified()
((y * 3) + 2)
This was the 120 lines of code in
http://lists.canonical.org/pipermail/kragen-hacks/2000-December/000278
In http://www.cap-lore.com/MathPhys/RLBI.html, Norm Hardy writes:
Just now I have realized an error of several orders of magnitude. The
bandwidth to earth, measured in GHz, does not suffice to carry
the information that the resolution of the very long base line
interferometry of the
to incorporate formalization of agency risk
--- that is, less-than-total trust in information coming from a piece
of software with different interests --- into distributed systems
design.
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Perilous to all of us
On August 7th, an entity known as iDEFENSE sent out an announcement,
which is appended to this email. Briefly, iDEFENSE, which bills
itself as a global security intelligence company, is offering cash
for information about security vulnerabilities in computer software
that are not publicly known,
to write better viruses and worms for
Linux, and they could talk up Linux worm incidents.
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Edsger Wybe Dijkstra died in August of 2002. The world has lost a great
man. See http://advogato.org/person/raph/diary.html?start
.
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Edsger Wybe Dijkstra died in August of 2002. The world has lost a great
man. See http://advogato.org/person/raph/diary.html?start=252 and
http://www.kode-fu.com/geek/2002_08_04_archive.shtml for details.
I wanted to install Apache 1.3.27 in a chroot; this explains how I did
it.
It turns out the Apache makefiles have this handy variable root.
You can set root to some directory you want everything to be installed
under, and it apparently won't touch anything outside of that
directory. But the
There's a general class of search algorithms where you're looking for
a path between two nodes through some very large graph, much too large
to search exhaustively. The straightforward breadth-first search,
possibly weighted by some metric of closeness-to-the-goal, performs
reasonably well on
I've been pondering how some of the blogs I read could be more
readable. Some of them could benefit a lot from some improved
guidelines on linking.
- The best links are noun phrases describing either the page linked to
or its subject matter, possibly even containing subordinate noun phrases,
Here's a rambling essay on giving a web browser a sort of Ajax
filesystem interface with event-notification built in.
Advocacy
Why would you want such a thing?
Ajax is necessary because applications built purely on the server side
can't provide the level of interactivity,
I wrote this incomplete essay (design document?) in January. It
describes an unimplemented technique for making server-side web
applications more transparent, inspired by TinyTemplate, TAL, Nevow,
and HTML::Template. I wanted to finish it up before sending it out to
the world, but it's been
I posted the first draft of this at
http://www.relevancellc.com/blogs/?p=36#comments in response to a
query along the lines of What would it take for Ruby to be considered
enterprise software? Transactions?. It received some positive
responses, so I thought I'd save a copy, revise it slightly,
(A quick first draft from some time ago. Needs references.)
I saw a web page for a piece of software called Pepakura, which
takes 3-D models as input and prints out a colored cut-out pattern on
paper, which you can then cut out and assemble to get an approximation
of the original 3-D model.
Maybe you could build an interesting infobot on top of a Prolog-like
system.
[EMAIL PROTECTED] blah blahdety blabble blag blocc
becomes a fact:
uttered(xentrac, kragen, localhost, utterance([blah, blahdety, blabble, blag,
blocc])).
Now, we might have a rule
utterance(Y) :- uttered(X
of group X, are all asking questions only about REST.
M Which is surprising, b/c some of those are Java shops so I figured
they'd be all about SOAP.
C SOAP has had a lot of bad press lately
Kragen heh
C the whole WS-* standards extravaganza put people off
Kragen extandarganza
C yeah
Kragen you can
I happened to read Anton Sherwood's blog the other day. In
http://www.ogre.nu/wp/?p=1642 he mentioned several things that he had
almost invented, i.e. he'd invented them independently and then
discovered they were already well-known.
One was Alex Tabarrok's dominant assurance contracts; another
any more.
Internal State as Cached Computations on I/O History
Several formalisms describe a program as a function from an input
history to an output action; my own rumor-oriented programming idea
http://lists.canonical.org/pipermail/kragen-tol
Microsoft's recently-proposed alternative to the $100 OLPC PC was a
device to connect cellphones to TVs for a larger display. You can
generate an NTSC video signal without a whole lot of hardware. Is it
beneficial, and how hard is it?
Is it beneficial?
-
My recent trip to Toys
In October, I wrote about how it would be nice for the first-edition
OED to be publicly available:
http://lists.canonical.org/pipermail/kragen-tol/2005-October/000794.html
At this point I have scanned volumes 1 (A-B), 2 (C), 3 (D-E), 4 (F-G),
5 (H-K) (Paul Nguyen did the work), and parts
I was riding through the coastal Peruvian desert this afternoon. It was
unaccountably cool outside, but utterly desolate.
It seems that, even in this desert, perhaps even especially here.the
temperature of a building should be a matter of how much coupling it
chooses to have to the radiant
How small can a folding bicycle be? How light? I'd like to carry one
in my shirt pocket for emergencies, or for travel by bus.
Perhaps the frame could consist of waterproofed fiberglass fabric tubes
filled with water, pressurized with a thumbscrew, maybe with a little
bit of air to support
Usually, when I talk to USA citizens about information technology that
the rest of the world can use, I run into some variant of the walk
before you run argument. People wonder what good information
technology is to a goatherd, or a taxi driver, or a subsistence
farmer.
I have theoretical
This is in response to David Brin's article, Why Johnny Can't Code,
in Salon, 2006-09-14:
http://www.salon.com/tech/feature/2006/09/14/basic/
While (what I think is) his main point (#7 below) is mostly true and
important, his supporting points are mostly nonsense --- it really
lowered my respect
[partly from bits posted to FoRK and subtext mailing lists]
Most successful languages get adopted because they enable the
exploitation of something else (C for Unix, Lisp for Emacs or AutoCAD
or AI, Tcl for Tk, Perl for CGI or today for CPAN, Basic for
microcomputers, Turbo Pascal for a
Until now, I've mostly thought of freedom of communication as being
practically important because it is necessary for the investigation of
truth. But now I think there is a second reason, which may be more
important: the avoidance of conflict. First I will explain the view
I've traditionally
In http://blog.plover.com/calendar/leapday.html Mark-Jason Dominus
suggests this algorithm for calculating leap years, as a proposed
replacement for the Gregorian system:
1. Divide the year by 33. If the result [remainder?] is 0, it is not
a leap year. Otherwise,
2. If the result is
At some time in their lives, all eccentrics who spend a lot of time
reading must take on the doomed project of the orthographic reform of
their language. Occasionally this project is not doomed; for example,
if their scheme is backed by a king or revolutionary government, it
may have some chance
(Available in HTML at http://canonical.org/~kragen/wood-pda.html.)
Polished-Stone Handheld Computers
-
So I've been thinking about making a handheld computer with the look
and feel (shininess, irregularity, weight, seamlessness) of a polished
semiprecious stone
(This is available in HTML at
http://canonical.org/~kragen/html-succinct.html.)
HTML is more succinct for things in its intended domain than
S-expressions, but still has better error-detection and correction
capabilities.
S-expression fans like to say that HTML, SGML, and XML are just
a bit confusing, and even if you
don't get confused, you still have to modify links when you copy them
from one file to another.
What would be more helpful would be the ability to say up to a
directory named foo. Suppose you have this setup:
kragen/
index.html
resume.html
http://canonical.org/~kragen/costs-lives.html
How False Rumors Can Cost Lives
===
I have said that spreading false rumors in time of epidemic costs
lives. People have asked me how.
The Tuskegee Experiment
---
Let me first explain how
gets a small amount
back. This is supposed to give people an incentive to pledge money to
any cause that they think will fail. He analyzes it in
http://mason.gmu.edu/~atabarro/PrivateProvision.pdf.
I've written about these before in
http://lists.canonical.org/pipermail/kragen-tol/2005-June/000783
decent database for this
purpose, but I don't think it's published.
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to the leaders instead of the nerds for their heroes?
Are they really wrong to do so? For the internet, should we honor Paul
Baran or Al Gore?
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the T-1 nodes to the deleted-symbol nodes and from
them to the nodes at time T, but what probability should be assigned
to those transitions?
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LSB
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at the moment, so I’m putting my copy online at
http://canonical.org/~kragen/sackman-erikson-grant-1966.pdf.
[2]: http://www.yosefk.com/blog/the-nomadic-programmer.html blog post,
2009-08-06
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microsteradians; that would be about 59 dBi. That seems implausibly
accurate; it would require the projector to be within 2mm of your
pupil at a distance of 1m.)
I’m surprised I don’t seem to have written about this on kragen-tol
before, because I’ve certainly been thinking about it for years
-to-belts.html
2010-01-14
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think I’m
smart for knowing it.
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-
11 years ago, I tried this failed experiment:
http://lists.canonical.org/pipermail/kragen-hacks/1999-February/000157.html
In quick summary, the idea was to compute a compact signature of a file that
could be compared against another signature to see if the files were not only
(This is on the web, with the images, at
http://canonical.org/~kragen/egypt-massacre-sotu.html.)
[ليس هناك جيش أقوي من فكرة حان
وقتها](http://twitter.com/zakwanhaj/status/30176266963386368)
(Above: *No army is more powerful than an idea whose time has come.*)
I’m writing this on January 28th
in the past. I’ve eaten lunch at Google
headquarters any number of times.
In short, I don’t hate Google, but I don’t love it either. But I want
whatever criticism it receives to be deserved.
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]: http://en.wikipedia.org/wiki/Orbital_speed#Earth_orbits
[2]:
http://www.grc.nasa.gov/WWW/k-12/Numbers/Math/Mathematical_Thinking/designing_a_high_altitude.htm
[3]: http://en.wikipedia.org/wiki/Energy_density#True_energy_densities
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something
like this, but I can't make heads or tails of the programs, which I
think bodes ill for the digital artists who basically just want a
scripting language for LEDs. Maybe Rust?
Kragen
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On Mon, Apr 09, 2012 at 04:03:52AM -0400, Kragen Javier Sitaker wrote:
There was actually a 1997 SPIE paper, [Image Quality Assessment with a Gabor
Pyramid Model of the Human Visual System][8], by Taylor, Pizlo, Allebach, and
Bouman, which proposed doing exactly this in order to measure
/listinfo/kragen-tol
.
At 600dpi, a 4×6 pixel character cell like the one I use in
http://canonical.org/~kragen/sw/dofonts-1k.html gives you an 80×66
page of 13.5 mm × 16.8 mm. (Janne Kujala designed the font.) If you
can successfully control every pixel, the result should be clearly
readable with a magnifying glass
Meghan Saweikis wrote the following; I thought it was really excellent,
so with her permission, I am posting it here. Maybe it should go to
kragen-fw instead, but kragen-fw is mostly dead, really.
I think the issues touched on in this mail are among the most important
issues for every human
-of-speech tags ought to be able to
reject. There’s a lot of dimensionality-reduction work in the last
decade of statistical computational linguistics that could be brought
to bear.
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ordering for object references; you could
end up building strings like this:
main=*
usage=#
strerror=
where the punctuation characters are actually references to objects.
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://github.com/kragen/xcompose
`gnome-terminal` caches GConf settings
The terminal emulator application, `gnome-terminal`, chooses the font
based on a “profile” stored in GConf, which is managed by `gconfd`,
but naturally cached within the terminal emulator process in a
`TerminalProfile` object
Another item that didn't make it into [my post on Monday][0]: database
queries are probably another powerful primitive which can simplify a
whole computing system.
[0]: http://lists.canonical.org/pipermail/kragen-tol/2012-July/000962.html
choosing powerful primitives for a simplified computing
In my kragen-tol post earlier this month about [predictive text input
methods][0], I wrote:
You could do *much better* than SwiftKey with dimensionality reduction
techniques, which could allow much more context to be brought to bear
on the prediction problem using a much smaller model
ineffective; if it were effective, it would be poisonous to society.
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impressed with what I know of you so far.
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I just sent this message to the CouchDB User mailing list instead of sleeping
like I ought to be doing.
- Forwarded message from Kragen Javier Sitaker kra...@canonical.org -
Date: Fri, 23 Nov 2012 22:14:18 -0500
From: Kragen Javier Sitaker kra...@canonical.org
To: u...@couchdb.apache.org
to discuss a different application of Hadamard matrices for
error-correction codes. As far as I can tell, this is not related to
Hadamard-Craigen error correcting codes (Craigen 2002), and in the
unlikely event that these codes become popular, I hope that nobody
decides to call them Hadamard-Kragen
.
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in its 512KiB L2
cache.
The C code might be more efficient if its tree were binary.
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/wiki/File:Railway-electrification_Europe_2005_en.png#globalusage
[12]:
http://commons.wikimedia.org/wiki/File:Bootham_Crescent_plan.jpg#globalusage
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.
But you probably already knew that. How about you? What have you been finding
interesting that I should read up on?
Kragen
- End forwarded message -
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