Displaying 20 results from an estimated 72 matches for "lourens".
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lorens
2006 Nov 23
2
Some tips for testing respond_to block and making controller tests work with simply_helpful
...two blog posts for those that need to test respond_to blocks
and/or are currently using simply_helpful extensively.
http://blog.methodmissing.com/2006/11/22/testing-different-content-
types-with-rspec
http://blog.methodmissing.com/2006/11/23/using-simply_helpful-with-
rspec-controller-tests
- Lourens
2003 Jan 11
3
Multithreading
Hi.
I need to execute a function from within a GUI.
This seems to be no problem but this function takes about 4 minutes to
finish, which means the application doesn't react at all, while the
function is running.
Can I execute a function as a separate Thread, while keeping
control(e.g. a reference) of it at the same time?
If not, how do this with a class containing this function?
thanks,
2002 Sep 19
3
Using large-scale repetition in audio compression
...o, or even when
streaming from a fixed source if you don't buffer the entire
broadcast on the client side, but for compressing a song from a CD
I'd say that it would work.
Obviously, it's not used (at least AFAIK) so there must be something
against it. Anyone care to enlighten me?
Lourens
--
GPG public key: http://home.student.utwente.nl/l.e.veen/lourens.key
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2003 Sep 30
3
fitdistr, mle's and gamma distribution
...s it is clear that some of the values obtained during
maximum likelihood computations are NaN. I cannot however print values
of the objective function, as in my case it is dgamma which is called by
fitdistr, over which I don't have control.
Can anyone please point me in the right direction?
Lourens
--
Lourens Olivier Walters <lwalters at cs.uct.ac.za>
Computer Science Masters Student
University of Cape Town
South Africa
http://people.cs.uct.ac.za/~lwalters/
2006 Dec 13
3
Testing has_many :through
I''m working with a has_many :through association, where a Member
has_many Projects through ProjectViewers. The problem I''m running
into is that Rails doesn''t load the association so line (3) fails
until I explicitly access a member of the collection (in this case, I
iterated it). Is there a better way?
Thanks,
Steve
1. assigns[:member].should_not_be_nil
2.
2001 Feb 07
2
video codec
Hi Lourens,
I fixed the YUV conversion and added a 'skip-empty-bitplanes' feature.
The latter is still buggy, I have to check this again. But images look
mach better now, even if you use higher compression ratios.
(try ./main 1500 150 150 for a 352x288 image -- the output becomes
blurred, but how doe...
2004 May 06
2
AW: AW: Reading OGG embedded in a pack file
...are hard to capture and note that there are novice
programmers that may find sort of hard to use vorbislib. thats sad,
because vorbis is such great thing :))
<p>> -----Ursprüngliche Nachricht-----
> Von: owner-vorbis-dev@xiph.org
> [mailto:owner-vorbis-dev@xiph.org] Im Auftrag von Lourens Veen
> Gesendet: Donnerstag, 6. Mai 2004 12:31
> An: vorbis-dev@xiph.org
> Betreff: Re: AW: [vorbis-dev] Reading OGG embedded in a pack file
>
>
> On Thu 6 May 2004 10:57, Andre Krause wrote:
> > i cant agree with this. templates for example are a great
> thing i use
&g...
2002 Mar 28
2
Openssh + challenge-response
...read that it worked with openssh (that there are patches for it), If it's
posible , what's the safest hardware token that i can/should i use?
Activcard One? Cryptocard ? Is there a document that explains exactly the
situation i want to use or how i can implement it ?
Thanx in advance,
Lourens bordewijk
2001 Feb 10
2
A different take at video encoding - I'm stuck though
...other new one is added, until the
scores drop below a minimum and there's the end of an edge.
Question: How do I calculate the score? I have the direction of the
gradient at the point, the value of the Sobel edge detect, and the
coordinates of the other points in the edge.
Ideas are welcome.
Lourens
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2004 Feb 18
5
compiling vorbis in cygwin
Hi,
On compiling vorbis in a cygwin shell using "./autogen.sh" I get the
following error...
configure:19396: checking for Ogg
configure:19431: gcc -o conftest.exe -O20 -D__NO_MATH_INLINES -fsigned-char
-DUSE_MEMORY_H conftest.c -lm -logg >&5
/usr/lib/gcc-lib/i686-pc-cygwin/3.3.1/../../../../i686-pc-cygwin/bin/ld:
cannot find -logg
collect2: ld returned 1 exit status
The
2001 Jan 06
2
video compression using textured polygons?
...ardware-accelerated on standard 3D hardware.
Problems I foresee: edges may look too sharp, or if the
polygons don't have enough edges too straight. Also the
frame-to-frame matching of polygons absolutely needs to be
correct or things go wrong spectacularly.
Well, any thoughts are welcome.
Lourens
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2003 Jan 29
4
PlusV algorithm
Important (imho)!
I found this site in the internet:
http://www.plusv.org/
PlusV is an audio enhancement algorithm similar to SRB of Mp3Pro, but
1) better than SBR
2) Fully open-source
It seems to me wise to include PlusV into new versions of Ogg Vorbis.
P.S. what about some long-awaited features in Ogg Vorbis?
1) ability to turn off the frequency filter in the encoder (especially for high
2002 Apr 04
1
challenge-response token
...rs won't like challenge/response mode anyway.
>Funny thing, cryptocard can store 3 keys and so could do 3DES if they
>wanted, or they could do a 2-key scheme which is unbreakable with any
>computing power. Oh well. I think I'll patent that and license it back
>to them. :-\
Lourens Bordewijk
Fox-IT Forensic IT Experts B.V.
Oude Delft 47
2611 BC Delft
Tel: 015 - 21 91 111
________________________________________________________
http://www.fox-it.com
________________________________________________________
2002 May 06
1
cryptocard RB-1
...#39;ve heard that some users made a conversion script
from the CryptoADMIN server export to a crypto users file that the patch
want. Is there anybody who can tell me a little bit more about:how I can
initialize my cryptocard RB-1 and something about the conversion script
!!!!!!!
Thanx in advance,
Lourens Bordewijk
2001 Jan 03
2
Tarkin at last
For all the curious:
http://www.vorbis.com/~jack/tarkin-experimental.tar.gz
ome instructions:
tar xzvf tarkin-experimental.tar.gz
cd tarkin
make
./tarkin 95
./tarkinplayer output.tark
You'll need SDL and SDL-devel if you don't already have them.
jack.
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2001 Jan 03
2
Tarkin at last
For all the curious:
http://www.vorbis.com/~jack/tarkin-experimental.tar.gz
ome instructions:
tar xzvf tarkin-experimental.tar.gz
cd tarkin
make
./tarkin 95
./tarkinplayer output.tark
You'll need SDL and SDL-devel if you don't already have them.
jack.
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2003 Jun 11
1
Problems with ov_open continued
I've downloaded the latest versions of the libraries available from the
website, http://www.vorbis.com/download_unix.psp, and compiled them, but
it hasn't made any difference to the situation.
I downloaded the .tar.gz "for everyone" versions, not the rpm developer
versions. Will this make any difference?
Cheers,
Oliver Sneyd
<p>--- >8 ----
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2003 Jun 17
1
For Oggvorbis algorithm description.
Dear Sir,
I am a DSP Engineer working in the field of Audio Standards
and general Signal Processing Algorithms. I am very much interested in
knowing the algorithms which make OggVorbis a reality. Kindly send me
the link which will lead me to the algorithm description or pseudo-code.
Thanking You,
Sincerely,
Tom Xavier.
<p>--- >8 ----
List archives:
2003 Aug 31
1
broken link in documentation
hello,
i'm reading the doc at http://xiph.org/ogg/vorbis/doc/Vorbis_I_spec.html
and the link to the paper
http://www.iocon.com/resource/docs/ps/eusipco_corrected.ps
doesn't work.
Could anyone correct the link and/or mirror this paper ?
Thanks,
YG
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2004 Jan 28
3
hi
The message cannot be represented in 7-bit ASCII encoding and has been sent as a binary attachment.
<p>
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