Domain: wustl.edu
Stories and comments across the archive that link to wustl.edu.
Comments · 467
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Quantian articleI own the quantian.org domain. The following is from my article on the Quantian Distribution. Here is a brief run down of links, programs, and other goodies in Quantian.
- R, including several add-on packages (such as tseries, RODBC, coda, mcmcpack, gtkdevice, rgtk, rquantlib, qtl, dbi, rmysql), out-of-the box support for the powerful ESS modes for XEmacs as well as the Ggobi visualisation program;
- A complete teTeX, TeX, and LaTeX setup for scientific publishing, along with TeXmacs and LyX for wysiwyg editing;
- Perl and Python with loads of add-ons, plus ruby, tcl, Lua, and Scientific and Numeric Python;
- The Emacs and Vim editors, as well as Gnumeric, kate, Koffice, jed, joe, nedit and zile;
- Octave, with add-on packages octave-forge, octave-sp, octave-epstk, and matwrap;
- Computer-algebra systems Maxima, Pari/GP, GAP, GiNaC and YaCaS;
- the QuantLib quantitative finance library including its Python interface;
- GSL, the Gnu Scientific Library (GSL) including example binaries;
- The GNU compiler suite comprising gcc, g77, g++ compilers;
- the OpenDX, Plotmtv, and Mayavi data visualisation systems;
- it includes apcalc,aribas,autoclass,
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Douglas Schmidt
Not list is complete without him! http://www.cs.wustl.edu/~schmidt/
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Re:Except...Hey, frogs could grow claws and live in toilets too!
Not only are there already clawed frogs, their genome is being sequenced. They don't normally live in toilets, though.
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Re:Still A Scam even if they stop *external* fraudNormal people are not required to know engineering specs but they are required to know the law as 'Ignorance of the law is no excuse'
That's not necessarily true either - there has to be willful intent:
Quote:The Supreme Court recognized "the venerable principle that ignorance of the law generally is no defense to a criminal charge" in Ratzlaf v. United States. 2 Nevertheless, it held that in 31 U.S.C. S 5322, applicable to structuring financial trans- actions to avoid federal reporting requirements, Congress decreed otherwise and required proof that the defendant knew the structuring was illegal.
Quote:A related concept in law is "wilful blindness": the criminal defendant who should have known, and could have asked, but deliberately chose not to ask. The law regards "wilful blindness" as equivalent to knowledge. U.S. v. Jewell, 532 F.2d 697, 700-701 (9th Cir. 1976), cert. denied, 426 U.S. 951 (1976). Cited with approval in U.S. v. Lara-Velasquez, 919 F.2d. 946, 950-951 (5th Cir. 1990).
Quote:Generally, ignorance or mistake of law is no excuse: i.e., it is no defense to the commission of a crime that the defendant was unaware that the acts were prohibited by the criminal law or that defendant mistakenly believed that the acts were not prohibited. The exceptions are: (1) Reliance upon statute later held unconstitutional; (2) Reliance upon judicial decision; (3) Reliance upon official interpretation. Sometimes, the mens rea aspect of a particular crime requires a certain belief concerning a legal matter. In such cases, if the defendant was ignorant or mistaken as to the legal matter, the prosecution may be unable to establish the mens rea required for liability and no conviction can be obtained.
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Re:Abandonware, ahh..Just because something is no longer for sale to the public DOES NOT mean the copyright should no longer apply, thus taking control away from the owner/creator.
Sorry, wrong. That may be the way the law is currently interpreted, but that is clearly not the way the law should be interpreted.
What follows is U.S. specific: that's appropriate, since the decision is also.
Our constitution gives Congress the right to extend monopolies to artists, authors and inventors, for limited periods, to serve the public interest. The ultimate aim is to enhance the public domain. I'd say that allowing a copyright owner the ability to exercise dog-in-the-manger style control, by intent or by apathy, is clearly unconstitutional. If the courts disagree, they're following in the grand old tradition of Dred Scott. The courts have been wrong before.
The copyright is not dependent upon the owners ability/desire to distribute it.
That is probably true, but if so, it is an accident of law, not The Way God Commanded It.
Copyright is not a natural right like your right to not be murdered. Copyright is a deal we make with authors, because we think we're better off for it. If we aren't better off, if the authors aren't holding up their end of the deal, we have right to change things around. Copyright should be called copyprivilage.
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Laguage or Library
Multithreading and concurrency are nothing new, but one of the innovations of the Java language design was that it was the first mainstream programming language to incorporate a cross-platform threading model and formal memory model directly into the language specification.
We've had threading in libraries for years (e.g. DCE, Posix, and NT threads). In fact, doesn't Java itself use those libraries to provide its own cross platform thread abstraction? In that sense, Java is nothing special in that there are several good cross platform thread abstraction libraries (see ACE, for example). Or to quote the Bell Labs proverb: "library design is language design" so Java is hardly the first language to incorporate a cross-platform threading model. -
Re:The Scariest Part of the Article...For Open Source data and software for doing the same thing, take a look at:
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Re:Meanwhile, C++ goes nowhere
What I don't like about C++ standard, is the lack of a decent socket library that would be part of the i/o streams. There are non-portable classes for this of course, and everyone could roll their own, but it's not in the C++ standard (yet).
I agree. Recently, I had a job that introduced me to the ACE (Adaptive Communication Environment) toolkit, which has portable classes for sockets, threads and thread pools, message queues, processes, and higher-level communications contructs. It's an excellent library that cut development time and resulted in high-quality code. The main drawback was that it has its own classes for containers, streams, strings, etc. It would be great if the C++ standard libraries brought in at least some of the core functionality of ACE in a way that made it seamlessly interoperable with the existing library classes.
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Re:You couldn't make this up!
No, and no.
1. The CPD is a private, not for profit entity.
2. Washington University, where the debate was held, is a private university in St. Louis. The University of Washington is a public university in Seattle - no debate was held there. -
Re:Which one?
Anyone know if they'll change the VM subsystem?
Pulling in NetBSD's UVM would be great. -
Re:Whoops! n/m
I know you didn't mean it this way but I'm gonna be goofy and take you literally.
As for hosting, one of them (second I think) is on the campus of the university I work for. I do not, however, work on that campus -- the medical campus is a separate one a short (relatively) distance away.
Washington University Presidential Debate 2004
Campaigns agree to WUSTL debate on Oct. 8
Here's some of the official blurb:
'The St. Louis debate will be the only one with a town-hall forum, with likely voters from the audience, selected by the Gallup Organization, posing the questions. A statement by the two sides said the debates "will ensure a productive and fruitful exchange of ideas about the most important issues facing Americans today."'
Anyone else here from WUSTL? It'd be nice to know!
Of course, I'm kinda annoyed. Hilltop people get a free day off. Us? We gotta work. Hmph. -
Re:Whoops! n/m
I know you didn't mean it this way but I'm gonna be goofy and take you literally.
As for hosting, one of them (second I think) is on the campus of the university I work for. I do not, however, work on that campus -- the medical campus is a separate one a short (relatively) distance away.
Washington University Presidential Debate 2004
Campaigns agree to WUSTL debate on Oct. 8
Here's some of the official blurb:
'The St. Louis debate will be the only one with a town-hall forum, with likely voters from the audience, selected by the Gallup Organization, posing the questions. A statement by the two sides said the debates "will ensure a productive and fruitful exchange of ideas about the most important issues facing Americans today."'
Anyone else here from WUSTL? It'd be nice to know!
Of course, I'm kinda annoyed. Hilltop people get a free day off. Us? We gotta work. Hmph. -
Define "problem"The chunks of ejecta from a lunar impact will almost certainly be much smaller than the original body, and very few of them would actually hit Earth. The ones which did might well be spread out over time, also. Faced with a choice between braving a 3-mile asteroid impact on Earth and the debris coming to Earth from impact of the same on the moon, I'll let it hit the moon.
We do have some meteorites which are known to have come from the moon, so it's proven that stuff kicked off of there can wind up here. It's also pretty obvious that the pieces that wind up here are nowhere near as big as what smacked the moon in the first place.
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To the oxycodone ditto heads
If there is any confusion as to why Keyes is >40% down in the polls, all they need to do is download and watch his interview on an Illinois local news show.
Speaking as a lefty NY liberal, I have nothing but sympathy for the Illinois Republican Party.
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Follow up - I took a quick look at the source.For the atomic operations, the intel based code is ok since the lock prefix serializes memory. The powerpc load reserved / store conditional do not however and explicit memory barriers are required and they are not there. That's bad.
For the win32 version of condvar, I don't think a win32 Event isn't going to hack it. The current logic allows a condvar to remain signaled until the all waiters have woken up and have decremented the use count to zero. This could lead to a lot of spurious wakeups if some waiting thread takes it time to wake up. The APR authors need to read that Schmidt document I mentioned earlier and maybe also look at Schmidt's ACE project and see how he did it.
This is not a comprehensive critique as I only took a cursory look but what I did see indicates that APR needs some more work.
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Re:Some info on APR ...
What about ACE (ADAPTIVE Communication Environment)? It's in C++ (ok, perhaps some prefer C), has lots of added features, and has a really less sadistic license..
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Multi-threading isn't that simpleThe atomic operations while nice are basically useless without memory visibility rules or semantics. This is something that get discussed a lot on comp.programming.threads. I suppose you can assume they are there but that's assuming a lot.
Also, doing condvars on windows isn't that easy as Douglas Schmidt writes up here.
Writing portable thread libraries seems to be a popular activity. It would be nice if the authors of those packages documented that they were aware of the issues as a first step in convincing those of us who know about those issues that they know what they are doing. Yeah, I know that the Apache authors are considered experts, but it wouldn't be the first time some rather well known experts got tripped up on multi-threading.
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Re:APROther notable portable runtimes include:
NSPR (Netscape Portable Runtime) http://www.mozilla.org/projects/nspr/index.html
ACE (Adaptive Communication Environment http://www.cs.wustl.edu/~schmidt/ACE.html
wxWidgets http://www.wxwidgets.org
Those are just a few, there are others out there as well
Choosing one to use is a difficult exercise. The important things to consider are what you want to use it for and how it fits in with your existing software and experience.
If you'll be doing GUI programming, wxWidgets is a good way to go. In addition to the file io/threads/networking portability you get GUI portability as well. The NSPR fits into this area as well.
The APR is obviously a well tried and proven framework, since the Apache HTTP server uses it. If you want cross platform server software, APR is probably a good choice. NSPR fits in this area as well.
The biggest consideration when choosing one of these libraries is how well you can pick it up and understand it. If you look at the API and it doesn't make any sense to you, it won't be pleasant to integrate with it. Documentation varies in quantity and quality. Also, how well supported is the library by the development community?. (Actually not much of an issue for APR,NSPR and wxWidgets as they are all very actively maintained and used).
On another note, it certainly would be nice to get more of a standardized set of cross platform libraries on the scale of the Java API. There's no reason why this can't be done. Most of the pieces are already out there. It's too bad someone hasn't yet taken the effort to integrate all of this stuff into a super library for GUI, networking, io, threads, email, video, blah blah blah...
Perhaps I'll have to get started on that... -
Re:Well, I think it's actually pretty funny.
To get you started
:) http://wuarchive.wustl.edu/pub/aminet/demo/tg93/sp aceballs.dms -
audacity and nyquist
audacity's back-end is based on a custom version of sound package nyquist. It is a lisp and has a linux port. It can be used for programmatic sound generation, and being a lisp, you're always in the environment (no need to hack up a multithreaded editor/ interpreter).
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Re:shaking head in disbelief
Uhh, in XP Home, Poland still doesn't exist.
Map of Europe for the uninitiated.
A screenshot I found (images.google.com) of Win2K.
Curiously, the Japanese version seems to have a Poland. The page it's on suggests that it's Win9x that has Poland. Meaning they actively removed Poland from the map? -
Re:Depends ...
Any helpful links to a good C++ API (not GUI toolkits) which is both POSIX and Windows might make me use that some more.
C++ has been around so long that by now there are jillions (possibly even hojillions) of C++ libraries/frameworks/APIs. Since you say you don't need a GUI kit, and assuming you are doing server programming, you might find ACE helpful.I used ACE for a previous multithreaded server and the project was very successful. We developed on Linux and FreeBSD but had no difficulty porting to Solaris, and could have ported to Windows with a couple of days of effort (we had use the occasional POSIX-specific idiom, but this was our own fault, not the toolkit).
The author, Douglas Schmidt, is a well-known standards wonk and performance freak -- an interesting combination that results in a kit that provides full cross-platform support while running hard with C++'s approach of "you don't pay for it if you don't use it." The kit included a full CORBA ORB that supported realtime operation (ie, bounded maximum delay).
Probably the best compliment I ever heard about ACE was a from a very senior coworker who commented that ACE was "not bad, for C++." Trust me -- from him, that was high, high praise.
Having said all that, when I have to share the tree with other developers, Java is my favorite mainstream language.
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Re:Depends ...
Any helpful links to a good C++ API (not GUI toolkits) which is both POSIX and Windows might make me use that some more.
C++ has been around so long that by now there are jillions (possibly even hojillions) of C++ libraries/frameworks/APIs. Since you say you don't need a GUI kit, and assuming you are doing server programming, you might find ACE helpful.I used ACE for a previous multithreaded server and the project was very successful. We developed on Linux and FreeBSD but had no difficulty porting to Solaris, and could have ported to Windows with a couple of days of effort (we had use the occasional POSIX-specific idiom, but this was our own fault, not the toolkit).
The author, Douglas Schmidt, is a well-known standards wonk and performance freak -- an interesting combination that results in a kit that provides full cross-platform support while running hard with C++'s approach of "you don't pay for it if you don't use it." The kit included a full CORBA ORB that supported realtime operation (ie, bounded maximum delay).
Probably the best compliment I ever heard about ACE was a from a very senior coworker who commented that ACE was "not bad, for C++." Trust me -- from him, that was high, high praise.
Having said all that, when I have to share the tree with other developers, Java is my favorite mainstream language.
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Remote Virtual Immersion
But just how much data can a person consume?
If I was going under the knife remotely, I'd want the surgeon to have as much bandwidth as possible (and very, very, very low latency).
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Re:Okay okay you're right, you're right!!!
Trivial. We have a regime change every four years. We toss the bums out of Congress every two years. We hand our Senators their marching papers every six years.
No. You have the OPTION of doing so, but how often do you actually USE that option?
"In a variety of electoral situations, incumbents win substantially more than half of the time. This is sometimes referred to as an incumbency advantage; in the U.S. Senate, for instance, incumbents win approximately 75 percent of the time." PDF
"It is an article of faith that incumbency is the ultimate electoral advantage for members of Congress. The re-election rates for sitting members of the House are impressive: in elections since 1946, 92.1 percent have prevailed." PDF
So, you have 100 senators, who are up for election every six years, and you oust 25 of those. But check out this section of the second pdf:
"Since the passage of the 17th amendment to the Constitution (1913) establishing direct election of United States Senators, 174 Senators have been appointed to fill intra-term vacancies caused by an incumbents death or resignation. Of the 110 who subsequently sought election, exactly 50 percent have prevailed (U.S. Senate 2002). The performance of appointed Senators is strikingly inferior to that of their elected peers (freshman Senators seeking their first re-election), 82.5% of whom have won reelection since the first full class of directly elected Senators came up for re-election in 1920. This curious discrepancy is the starting point for this paper."
So, you don't actually use your power to oust the people in power. You have the option, but you rarely use it.
I haven't found any statistics on the US Presidency, but it could be interesting to see, if there is a larger chance of getting a second term, if you weren't the vice president during the election process.
How many nations throughout history can boast the same power we Americans take for granted? The power to overthrow our government on a regular basis, without violence, without guns, without military might?
Of do get off your high horse, before someone beats you over the head with statistics for the number of democratically elected governments the US have overthrown ...
Besides - this is Slashdot - most of the people here are from democratic countries, and the population of those VASTLY outnumber the population of the US of A. India, for example, has more than a BILLION inhabitants - ~three times that of the US. The 25 member countries of EU has a combined total of 450 million. Indonesia has 230 million, and Brazil has 180 million. These are four of the top 5 countries sorted by population*.
That's 1.86 billion people living under democracy OUTSIDE of the US - almost 6½ tmes the number of people living in the US. Yes, it may be, that most people in the world aren't living under democracy, but the US is sure as hell nothing more than a small drop in the bucket of democratic countries ...
*EU is a conglomerate of countries.
All number taken from Wikipedia -
A map showing the location...
is on this page.
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Mirror.
kernel.org seems slashdotted from here. Good job direct-linking to it in the story.
Mirror to the rescue!
http://wuarchive.wustl.edu/pub/linux/kernel/v2.6 -
Silent Ha!
Here's pic of my Silent beowolf cluster...
Here
Ok so it doesn't process much, or even generate a lot of heat.
Oh yeah... some assembly required to boot it. -
Re:WHY! WON'T! IT! DIE!
Thanks for that info, I've never tried ABasiC.
But AFAIK, ABasiC only shipped with AmigaOS/Workbench up to v 1.1. That would mean it only came with the Amiga 1000, wouldn't it? I got my first own Amiga (A500) when WB 1.3 was new, and remember missing a BASIC interpreter from my C=64, so I got AmigaBASIC from a friend who had an early A500 and WB 1.2. -
Now if someone smart...
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Re:what about slow start?
Low-Rate TCP-Targeted Denial of Service Attacks
(The Shrew vs. the Mice and Elephants)
A short response -
Great...
Great: first of all there's no link in the NY times article to find where this guy's homepage is. Then I go to google, and the first link is a guy named "Eric Brown" who's an FBI top ten wanted person. But hey, this Eric Brown has published a guide to all Eric Browns on the net. Thank you!
Maan -
Great...
Great: first of all there's no link in the NY times article to find where this guy's homepage is. Then I go to google, and the first link is a guy named "Eric Brown" who's an FBI top ten wanted person. But hey, this Eric Brown has published a guide to all Eric Browns on the net. Thank you!
Maan -
Re:Yeah.. Go to the moon...
You don't need to find water, you can make it with Hydrogen and Oxygen. There's a LOT of Oxygen in the moon's crust, and very likely a good amount of Hydrogen in the regolith deposited by the solar wind.
Not only that, but combining H and O gives you energy in addition to water...and the upper few meters of regolith are rich in implanted ions of hydrogen and helium.
SB -
Why are you using Winamp to play XM's anyway?
Since version 2, Winamp has been notorious for playing MOD, XM, S3M, and related files inaccurately. It fudges up a lot of the effects, particularly portamento (note slide) and key-off commands. You all should be using ModPlug Player to play these formats! It ain't perfect but it's the best Windows player there is.
Why get this player? So that you can drink deeply from the cup of BBS\Internet history! Check out some MOD sites and dig some chippy goodness!
SHAMELESS PLUG -- Be sure to scope out my MODs as well! -
Re:SEC/Audit Disclosure Requirement
There is a requirement for full, fair and plain disclosure.
There is a requirement to disclose the substance of the transaction, not just its form.
I won't refer you to specific regs - depends on the facts - but the following, provides much of the relevant case law, etc.
The reason that I believe there was a lack of disclosure has to do with the failure to disclose the "substance" of the transactions, not the "form", and failure to disclose that the business is dependent upon the goodwill of MS etc.
With all due respect, IF this email is true and factual, the disclosure made to date IMHO is not sufficient to allow investors to understand the nature of SCO's business relationship with MS. The disclosure provided just wouldn't cut it.
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Nothing to see here
I doubt the XFree86 Project is high on Microsoft's enemy's list. No conspiracy here, move along.
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Re:Cold fusion will always be with us
Actually, the Casimir effect means that you can have a free lunch thanks to quantum vacuum fluctuation. It's just an incredibly miserly, unfulfilling free lunch. I once did the math for this and found that to get 1 Newton of force, you had to put two uncharged, 1 meter square plates only 190 nanometers apart. So, even if ZPE exists, I can't see any practical way of extracting it, though some scientists have argued that ZPE is the basis of sonoluminescence.
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Re:Bouyant cables!
Bouyant cables, even in the best case, can't get you out of the atmosphere, so maybe 1000 km on the top side. The space cable has to reach geostationary orbit, some 35,785 km out. You lose
:)
I was scared an anonymous coward was going to make me look bad, so I prayed to my lord and savior google christ.
Ohh Google, can you tell me info about "high altitude balloons"
And the good lord google said: even my children have flown over 82,000+ miles or 131962.6 kilometers using boyancy, which is way above AC's stated 35,785 km geostationary orbit my child.
So lord google, what is the altitude for geostationary orbit?
And the lord google replied: 35,787 km above mean sea level.
Google Christ is so smart. -
Re:This is not new
"Stacking" isn't as good as full Bayesian image super-resolution when systematic noise is present; see the theoretical discussion in section 7.5 of Bretthorst's book (he refers to stacking as "averaging"). For a Bayesian method, see this paper, and some of these references.
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Re:Venus: An Enigma
Your conspiracy theory, like almost all conspiracy theories, contains elements of both truth and falsehood. No, we almost certainly won't polar bears cavorting over the poles of Venus. However, Venus is undubitably friendly to Earth life. The question is to which types of Earth life it is friendly. We know that thermophiles and other such extremophiles can survive in similarly challenging environments on Earth. However, it would likely require some fairly major bio-engineering in order to prepare such Earth organisms to live on Venus.
Beyond even just the well publicized extremes of temperature and pressure, any life-form on Venus would have to contend with heavy metal snow and clouds made of sulfuric acid. While I'm sure that we have separate varieties of extremophiles on Earth that can cope with each of these challenges separately, creating a synthesis of these traits would require significantly greater experience with practical genetic engineering as well as significant funding. We just don't have the funds right now to return Venus' friendship, which I'm sure is a situation that /.ers have experienced before. -
Re:They are?
Though it's a moot point for me (I'm a 4-year grad), a good rule of thumb might be: "Any place that offers completion of the high school diploma as well as a high-tech degree
..." Well, you know the rest.
These places are clearly businesses first, with the "Starbucks mentality" of sprouting campuses everywhere and hoping that the disenfranchised see it as a way into the executive washroom.
I have a friend who works for the company that markets University of Phoenix. He confesses that they are clearly just a business using the typical (dubious) marketing techniques (Disclaimer: Quinstreet is essentially a SPAM/Pop-Up design company, so unleash your wrath). He doesn't like what his company does but his rationale is what everybody else's is. It's a job.
But, then again, my "real" University resorted to, if I recall, a lot of mass mailings (like many colleges), and it's not a bad school.
Each business has it's target demographic. -
If there is water on mars
..why did it not evaporate?
The atmospheric pressure on mars is pretty low, which means that any liquid water (which this apparently is) will be vacuum dried to gas and move into outer space. -
Re:assimilation 101Sadly, this list hasn't been updated since 1995, but at that time the Programming Language List stood at 2350 entries (be patient, it's a half-meg text file).
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KWUR
We actually had someone come talk to our UNIX Users Group about that very subject this past December. The speaker was Ben Oberkfell of KWUR. He's also president of the Washington University ACM chapter. He spoke about how they've set up automated DJing, play-lists, streaming, and just about everything else using Linux and some Open Source tools he built. It doesn't appear that we've posted the presentation on-line, but if you email him, I'm sure he'd be happy to send you the presentation and help you get your station going using his software. Finding his email from the above links is left as an exercise for the reader.
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KWUR
We actually had someone come talk to our UNIX Users Group about that very subject this past December. The speaker was Ben Oberkfell of KWUR. He's also president of the Washington University ACM chapter. He spoke about how they've set up automated DJing, play-lists, streaming, and just about everything else using Linux and some Open Source tools he built. It doesn't appear that we've posted the presentation on-line, but if you email him, I'm sure he'd be happy to send you the presentation and help you get your station going using his software. Finding his email from the above links is left as an exercise for the reader.
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Re:review
One review of Wolfram's book which I found most interesting and entertaining is written by Stephen Krantz (professor of Mathematics at Washington U, St. Louis) and is available here
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Re:I work in Human Resources
Never heard of wuarchive.wustl.edu? Such a sad world we live in. I used to download insane amounts of stuff from there.
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Re:Amiga RKMs
Try here They were distributed on floppies as well
RKRM_Devices.lha Part 1 of 4 of Amiga ROM Kernel
RKRM_Lib1.lha Part 2 of 4 of Amiga ROM Kernel
RKRM_Lib2.lha Part 3 of 4 of Amiga ROM Kernel Manuals
RKRM_Lib3.lha Part 4 of 4 of Amiga ROM Kernel Manuals -
Re:Amiga RKMs
Try here They were distributed on floppies as well
RKRM_Devices.lha Part 1 of 4 of Amiga ROM Kernel
RKRM_Lib1.lha Part 2 of 4 of Amiga ROM Kernel
RKRM_Lib2.lha Part 3 of 4 of Amiga ROM Kernel Manuals
RKRM_Lib3.lha Part 4 of 4 of Amiga ROM Kernel Manuals