| Gametrak
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25 Sep 04 |
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Gametrak. is a new videogames controller, giving you precise and intuitive
control in 3D space. link
Unlike cameras, infra-red, RF systems or tilt technologies, Gametrak.
allows movement forwards and backwards as well as up, down, left and right.
With Gametrak you can punch your opponents with your hands; sports games
let you pick up and play using real golf clubs or tennis racquets . you can
even bounce virtual basketballs!
Designed and manufactured by In2Games, Gametrak will launch across Europe
on PS2 in September 2004 with the revolutionary fighting game, Dark Wind.
Future Gametrak titles include golf, baseball, adventure, dancing and
basketball games.
FAQ
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| Comment: Microsoft's rush to next-gen could see the Xbox take a tumble
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25 Sep 04 |
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(Source: Gamesindustry) from the article
Microsoft may be making a colossal mistake by trying to force
the industry into a next-generation cycle before it is ready
to move. Sony, with its enormous dominance of the market, could
probably just about get away with it - if it moved, the industry
would have to move with it, however much it hated the idea. But
Microsoft, still a relatively small player in the games industry,
just doesn't look like a company that has the influence needed to
force a shift like this. It may be backed up by the biggest
software company in the world, but publishers will still look at
the bottom line - in this case, installed base and cost of
development - and base their decisions on that alone. Herein lies
the arrogance; Microsoft isn't used to making decisions as an
industry small-fry, and it's trying to act like an industry leader
in an industry it simply doesn't lead.
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| PlayStation 2: Computational Cluster |
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25 Sep 04 |
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The NCSA has constructed a PlayStation 2 Linux cluster as a test bench for scientific computation on "toy" hardware. The cluster consists of 65 compute nodes, 4 user login and development nodes, and 1 prototype node for software installation tests. All the nodes run the Sony Linux distribution for PlayStation 2. The compute nodes fill a 24-inch rack; 5 shelves at 13 per shelf (see left); link
Looking forward to see such solutions for the new upcoming Playstation 3.
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| WebDav in 10 minutes: HTTP gave you read, now DAV gives you write access
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25 Sep 04 |
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The stated goal of the WebDAV (DAV) working group is (from the charter) to
"define the HTTP extensions necessary to enable distributed web
authoring tools to be broadly interoperable, while supporting user
needs", and in this respect DAV is completing the original vision of
the Web as a writeable, collaborative medium.
But, people working on DAV have had goals which extend beyond simple web
page authoring. Some view DAV as a network filesystem suitable for the
Internet, one that works on entire files at a time, with good performance
in high-latency environments. Others view DAV as a protocol for
manipulating the contents of a document management system via the Web. An
important goal of DAV is to support virtual enterprises, being the primary
protocol supporting a wide range of collaborative applications.
Importantly, a major goal is the support of remote software development
teams. A final goal of DAV is to leverage the success of HTTP in being a
standard access layer for a wide range of storage repositories — HTTP
gave them read access, while DAV gives them write access.
Well, the website clains WebDAV in 2 minutes .. I think 10-20 minutes is
more realistic :-). A good starter.
Apache2 already comes with mod_dav.
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| Napkin Look and Feel
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25 Sep 04 |
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Now I did it. I made a Java category in this blog. I think like Paul Graham
about Java and C#, but oh well ..
I coped
this from:
Napkin Look & Feel is a pluggable Java look and feel that looks like it
was scrawled on a napkin. You can use it to make provisional work actually
look provisonal, or just for fun.
The idea is to try to develop a look and feel that can be used in Java
applications that looks informal and provisional, yet be fully functional
for development. Often when people see a GUI mock-up, or a complete GUI
without full functionality, they assume that the code behind it is working.
While this can be used to sleazy advantage, it can also convince people who
ought to know better (like your managers) that you are already done when
you have just barely begun, or when only parts are complete.
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| Root: An Object-Oriented Data Analysis Framework
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25 Sep 04 |
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Sven C. Koehler, our hard-coding dataminer has sent me an email while his
code was probably exploring the DNA of some beauty. I wonder whether it was
the beauty the root-team uses in their logo? Hey, just because of the logo,
one ought to give root a try.
What I was impressed about:
http://root.cern.ch/root/Mission.html
``We started the ROOT project in the context of the NA49 experiment at
CERN. NA49 generates an impressive amount of data, about 10 Terabytes
of raw data per run.'';
``Thanks to the builtin CINT C++ interpreter the command language,
the scripting, or macro, language and the programming language are
all C++. The interpreter allows for fast prototyping of the macros
since it removes the time consuming compile/link cycle. It also
provides a good environment to learn C++. If more performance is
needed the interactively developed macros can be compiled using a
C++ compiler.'';
http://root.cern.ch/root/Architecture.html
``The backbone of the ROOT architecture is a layered class
hierarchy with, currently, around 310 classes grouped in about 24
frameworks divided in 14 categories. This hierarchy is organized in
a mostly single-rooted class library, that is, most of the classes
inherit from a common base class TObject. While this organization
is not very popular in C++, it has proven to be well suited for our
needs (and indeed for almost all successful class libraries: Java,
Smalltalk, MFC, etc)''.
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| R.W. Hamming on Round-Off
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25 Sep 04 |
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Sven C. Koehler has started to read "Numerical Methods for Scientists
and Engineers". He was so kind to send me a few quotes he likes from
the introduction.
Most books on computing stress the estimation of roundoff,
especially the bounding of roundoff, but we shall concentrate
on the avoidance of roundoff. It seems better to avoid roundoff
than to estimate what did not have to occur if common sense and
few simple rules had been followed before the problem was put on
the machine.
Another standard algorithmic problem both in mathematics and in the use
of computation to solve problems is the solution of simultaneous linear
equations. Unfortunately much of what is commonly taught is usually not
relevant to the problem as it occurs in practice; nor is any completely
statisfactory method of solution known at present. Because the solution
of simultaneous linear equations is so often a standard library package
supplied by the computing center and because the corresponding
description is so often misleading, it is necessary to discuss the
limitations (and often the plain foolishness) of the method used by the
package. Thus it is necessary to examine carefully the obvious flaws and
limitations, rather than pretending they do not exist.
update: (sorry, German only;) A big thanks to Sven C. Koehler for this
summary
Ich habe es nun in den groessten Teilen ueberflogen. Die Ideen sind nicht
wirklich neu: Umformen von Gleichungen, Vermeiden ungefaehr gleichgrosse
Zahlen von einander abzuziehen, Approximation. Beim Loesen von
Gleichungssystemen schlägt er z.B. vor, ein Verfahren einzusetzen, das
kein wiederholtes Dividieren benoetigt, dann wird's auch nicht ungenau.
Trotzdem mag ich das Buch, weil es in mir den Eindruck weckt, dass es
sehr fundiert ist. Es ist voll von mathematischen Formeln, die ich alle
nicht wirklich verstanden habe, aber ich werde in jedem Fall wieder darin
nach Erklaerungen suchen, wenn ich mal wieder ein Numerik-Problem habe.
Ich glaube für dich ist as Buch eher langweilig, das meiste kennst du
bestimmt aus dem Studium. :-)
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| Good to know: Offline NT Password & Registry Editor, Bootdisk / CD
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25 Sep 04 |
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I’ve put together a single floppy or CD which contains things needed
to edit the passwords on most systems.
The bootdisk supports standard (dual)IDE controllers, and most
SCSI-controllers with the drivers supplied in a seperate archive below. It
does not need any other special hardware, it will run on 486 or higher,
with at least 32MB (I think) ram or more. Unsupported hardware: MCA, EISA,
i2o may not work. Some newer IDE/SCSI-raid systems may not work either.
Tested on: NT 3.51, NT 4, Windows 2000 (except datacenter?), Windows XP
(all versions), Window Server 2003 (at least Enterprise).
DANGER WILL ROBINSON! If used on users that have EFS encrypted files, and
the system is XP or later service packs on win2k, all encrypted files for
that user will be UNREADABLE! and cannot be recovered unless you remember
the old password again
link
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| This I believe! - Tom's 60 TIBs
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25 Sep 04 |
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Tom Peters is back with more Big Ideas for your job, your company, and your
life. The marketing and strategy guru holds forth on why audacity matters,
why women are the future of leadership, and why diversity is crucial to
business success. Those who have never read Tom will find an excellent
primer here; those well-versed in Peters’ ideas can get up to speed
on his latest thoughts. link direct pdf download
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| F*ing software patents will kill open source and small to medium size companies
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25 Sep 04 |
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I just now came across this link on
slashdot. The only thing I can say is that like in the RIAA (sic) cases one
really wonders about our politicians. And this is the weakest way of
putting it .. oh boy! Lessing has said it correctly: *If we don’t
fight for our freedom, we do not deserve it*. I am so sick of all these
stupid trivial patents like double-click, hyperlinks, etc. .. does anybody
care that obvious prior art exists?
The /. link
Some nice quotes :-)
Ministers were being trusted to represent the view of the government that sent
them... but it seems as if business interests have found that these
individuals are a weak link that can easily be "bought off" and convinced to act
on their own.
The corporations won the war.
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| Werner's Oracle - Linux page
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25 Sep 04 |
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Jolly good Oracle & Linux page by Werner
Puschitz. There are several instructions on installing Oracle 9 and 10 on a
range of different Linux versions.
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| How Org Charts Lie
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25 Sep 04 |
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(source: Harvard Business School) In an excerpt from Harvard Business
School Press Hidden Power of Social Networks, learn how "social
network analysis" reveals problems your org chart ignores. link
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| Knowledge Management from personal content management tools
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25 Sep 04 |
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I shamelessly copy this blog-entry from here
Below is a quote from Dave Pollard, the former Chief Knowledge Officer from
Ernst & Young. It is a great paragraph because is is truly representive of
why enterprise knowledge managment solutions failed. He is talking about the
fact that knowledge managment systems have to be personal content management systems first.
Quote:
I believe personal content management tools are the place to start, because
since the earliest days of business, the principal way of sharing information
has been peer-to-peer, the most valued 'repositories' of business information
have been personal filing cabinets, and the principal schema for organizing
work has been the personal desktop. It makes sense, therefore, that tools
that facilitate and reflect these well-established 'knowledge processes',
information sources and networks should be much more successful than the complex,
centralized, hierarchical knowledge management tools and repositories that have
been foisted on users for the past decade.
End Quote:
It is a great quote because how is it possible that anyone could believe that
a centralied hierarchical tool could work when it was in no way related to how
people did and have done knowledge work since the beginning.
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| Samizdat - 0.5.2 is out
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25 Sep 04 |
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Samizdat is a generic RDF-based engine for building collaboration and open
publishing Web sites. It will let everyone publish, view, comment, edit,
and aggregate text and multimedia resources, vote on ratings and
classifications, filter resources by flexible sets of criteria, and
cooperate and coordinate on all kinds of activities. It intends to promote
values of freedom, openness, equality, and cooperation.
Samizdat homepage
Slides Dmitry Borodaenko presented about Samizdat ath the Euruko 2003
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| Del.icio.us and Bit Torrent: Google in Reverse
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25 Sep 04 |
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why has put that interesting posting on his blog
Inside my head, I sometimes refer to Del.icio.us as the Google In Reverse.
Google has amassed a solid mound of ranked and twined web sites. The
standings shift about with caution, the behemoths are tough to dethrone.
And if I ask for Ruby, the answers in place may hold through the end of
the year.
...
Del.icio.us is perfect! The activity bred by competitive linking would
be enhanced by the sharing of richer media.
...
Better client software is needed to make this happen.
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| Installing Oracle 10g On Debian
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25 Sep 04 |
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We go through, step-by-step, the process of installing Oracle 10g Release 1
(10.1.0.2) Enterprise/Standard Edition for Linux x86 on a Debian unstable
installation as of 2004-06-04. This chapter was originally written by
Damien McAullay with suggestions from Giuseppe Sacco and Oliver Bankel. link
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| The Real Point of Oracle10g Manageability
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25 Sep 04 |
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Curt Monash has written a very good article about Oracle 10g.
The article argues that the real focus is on manageability, which makes
perfect strategic sense. TCO (Total Cost of Ownership) is king. And with
hardware getting cheaper, software getting cheaper, and custom programming
being outsourced to cheap countries, administrative costs are an ever
bigger part of TCO. Whats more, manageability is historically a major
competitive challenge for Oracle; 10g is designed to neutralize that issue.
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| Paris Metro firm to run Wi-Fi buses
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25 Sep 04 |
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(Sourc: register) Wireless
Internet access will soon move beyond railways and onto the roads if RATP,
the company which runs the Paris Metro and the capital’s bus
services, has its way.
The organisation will next week show off a Wi-Fi enabled bus at the
Paris-hosted Public Transport Exhibition 2004. It will also launch a public
trial of the technology, on the number 38 bus, which runs between North and
South Paris. Buses on the route have already been equipped with Wi-Fi, RATP
said. Travellers will be able to connect their (suitably equipped) PDAs and
notebooks with the bus’ on-board access point. However, Internet
connectivity is only provided at Wi-Fi speeds when the vehicle passes
within range of a fixed hotspot - at a major terminus, for example. For the
rest of the journey, connectivity is maintained through a GPRS link. link
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| Where is the snow?
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25 Sep 04 |
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Summertime .. so all we do is to ski-roller. High time for the snow to come
back and cool it down a bit. I found that pic a long time ago on I have
forgotten what website.
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| Big Requirements Up Front (BRUF)
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25 Sep 04 |
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I really appreciate Georg Tuparev’s postings to the XP-ML.
>Because it is important for the customer to have an idea of how much
>> everything will cost ...
In 99% of the times customer neither needs nor wants "everything"! One
of the big dangers of BRUF is that it imposes the wrong feeling that
"everything" is important. This is a major distraction that inevitably
leads to scope-creep and eventually project failures. When we have the
first meeting with a new customer we ask the following 3 questions:
1. What is your biggest pain?
2. If we solve this and only this pain, will your life get better?
3. Are you willing to pay X amount of Euros to us to solve this pain.
If any of these questions is answered with "no" we just thank for the
coffee and walk away. If all 3 questions are answered with yes, we move
to the first planning game...
Put it in another way: I do believe it is extremely dishonest and
incorrect behavior to conduct 9 months BRUF only to reach the
conclusion that the customer does not have enough resources to
continue. It is dishonest because as I wrote in an earlier posting,
_all_ good developers I know are able to estimate almost immediately
the scale of any software project without conducting BRUF.
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