text:
5 Dec 2012 7:22 AM #1
Unanswered: Alternative way for Ext.getCmp
I have lot of controls in ExtJS form which are placed inside different panels. Following is my code for one of the panel-
var pnlCIRT = new Ext.Panel({
region: 'south',
id: 'detailpanel',
collapsible: false,
autoScroll: true,
layout: 'vbox',
height: 300,
title: 'CIRT Details',
items: [{
xtype: 'fieldcontainer',
layout: 'hbox',
items: [{
xtype: 'displayfield',
id: 'dfdate',
name: 'date',
fieldLabel: 'Date',
labelWidth: 120,
value: date,
width: 143
}, {
xtype: 'splitter',
width: 200
}, {
xtype: 'displayfield',
id: 'dfcirtnumber',
name: 'cirtnumber',
fieldLabel: 'CIRT Number',
value: CIRTNumber,
labelWidth: 180,
width: 120
At this point; I'm using Ext.getCmp('dfcirtnumber').setValue(results.CIRTNumber); to read the control and set value.
I think; Ext.getCmp is NOT a good practice to read and set control values if there are huge amount of controls used within a form.
Please let me know if there is any way to get and set value of control using the panel name so that I can directly get control from the panel itself.Thanks, Pravin
5 Dec 2012 2:25 PM #2
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If possible, always try to work relatively. For example if you need to update a form title on a button click, work relatively from the button:
onButtonclick: function(button) { var form = button.up('myformXtype'), field = form.down('textfield[name=someName]'); form.doStuff(); field.doOtherStuff(); }
7 Dec 2012 7:47 AM #3
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Mitchell Simoens @LikelyMitch
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14 Dec 2012 4:53 AM #4
Thanks for suggestions.Thanks, Pravin


text:
"A discussion of", "a discussion on", and "a discussion about": When is each phrase used in preference to the other?
If context is important, I want to use it as a subheading on a piece of non-fiction.
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"A discussion of", "a discussion on", and "a discussion about": When is each phrase used in preference to the other?
Oh lordy, another "there's a difference, but I can't quite put my finger on it" question. But I'm gonna try anyway. :)
Note that all of these connotations are vague and amorphous, and can be overridden by customary usages, or by what "sounds best" in a given context. If you pressed me to suggest a single best choice, today I'd go with "of". No guarantees about tomorrow.
I suppose the answer depends on what your subject is, and what tone you're trying to set.
"Discussion on" can sound serious or pretentious or formal, to me, as in:
"Discussion of" could describe the particulars of the event of the discussion (currently happening, perhaps having just happened), even separate from the explicit topic:
Or it can refer directly to the subject at hand, a summary of what you will discuss:
"Discussion about" sounds informal. "Here's some stuff we're talking about."
can refer to the people discussing or what they're discussing.
is less ambiguous. Here, the writer clearly means the object of the discussion (that which is being talked about).
I would probably lean toward about as in:
Using the preposition of there feels wrong to me. In a subheading on a paper
it would feel as if it was the otters who were having the discussion.
about seems to be more informal, like
of is more likely to be used in writing, often in scientific or formal setting:
on is somewhere in between, but closer to "of".
Discuss means "to talk about". So when you write discuss about, that means you are saying "talk about about". So the preposition about is not required when you use the verb discuss.
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text:
Does anyone have a process for image stablization, I guess there's no Frei0r plugin for this. I'm looking at Deshaker for VirtualDub but really how many times does anyone want to render their footage out through one work around or another. Thanks.
Fri, 05/29/2009 - 23:49
As I have said many time I´m not a coder but kdenlive could get a cool stabilization system out of the motion analysis cinelerra plugin.
In After Effects you have the TACKING MOTION tool which folows a pattern on an area of the image, the motion stabilization is THE SAME process, but it actually multiplies the resulting tracking motion values by (-1), so if som image moves 55 pixel right and 14 pixels down, the software simply moves the image -55 pixels left and 14 pixels up to get that spot motionless while the est of the frame is moving.
Kdenlive should fork the motion analyzer form cinelerra and make this a feature. For long interviews when your cameraman had no tripod, you could record in HD and stabilyze on SD (you won´t see the black borders because HD image is bigger).
Marcos Caballero
PS: I can´t wait to se a node editor in KDENLIVE!
Sat, 05/30/2009 - 08:20
MLT already has a motion estimation plugin, and Kdenlive's Auto Mask filter uses it. The Auto Mask (motion_est -> mask -> obscure filter) is just the only one, usable filter written for it at this time. The motion_est filter simply attaches motion vector data to the frame objects that subsequent effects use. I just need more time to make more effects including image stabilization and general purpose masking for any other image filter. However, this is low priority compared to fixing bugs and more basic, necessary functions like smooth keyframable pan and zoom (Ken Burns for stills). Actually, I will likely attempt the image stabilizer when the improved pan/zoom is ready.
Tue, 06/02/2009 - 06:25
Would have to agree. The smooth pan and zoom 'Ken Burns' is really essential and can't be faked. A stabilization filter would be nice, but then again there's these newfangled high tech contraptions called tripods and dollies and shoulder mounts.
Thu, 06/04/2009 - 23:46
I have a Glidecam Smooth Shooter with 4000pro, but still there are some cool effects which can only be reached with digital camera stabilization. I will check out the feature, wasn´t aware of this you are working on.
There are good stuff in kdenlive.
Sat, 06/13/2009 - 11:53
For newcomers, Deshaker[1] is a powerful plugin for VirtualDub. Unfortunately, they operate only under Windows. The good news is VirtualDub and Deshaker both run fine under Wine (windows emulator).
You might need to install Microsoft Visual C++ 2005 SP1 Redistributable Package, as recommended on Deshaker page. This page[2] instructs to disable DirectX Output under Options -> Preferences -> Display because of freeze or display problems in VirtualDub.
VirtualDub is AVI centric, and you'll most probably want a compressing output MJPEG codec instead of the uncompressed default. This can be found in the ffdshow tryouts package[3] besides many other goodies.
The Deshaker page[1] is worth a read to understand how the deshaking process work.
[1] http://www.guthspot.se/video/deshaker.htm
[2] http://appdb.winehq.org/objectManager.php?sClass=version&iId=16326
[3] http://ffdshow-tryout.sourceforge.net/
We could imagine developing a wrapper in MLT for VirtualDub/AVISynth plugins (ala infamous ndiswraper/w32codecs), but this ugly and unportable proposal would never beat a totally F/OSS and native solution. In the mean time, running with wine still do the job, without having to reboot the machine. If someone knows how to run the 2-pass Deshaker non-interactively for batch mode, please let me know.
Fri, 08/07/2009 - 00:43
As anyone who knows me will testify, I'm pretty pathetic when it comes to MS-Windows. Still, I note John Meyer's script for the VirtualDub/Deshaker combination works pretty good (under MS-Windows) where in the case of Sony Vegas NLE, a script was created which completely automates the stabilization. Its impressive to watch in action and even a Windows incompetent like myself can get it to work in Vegas:
Of course the advantage being it will make, in many cases, completely unusable video clip, suddenly usable. It does not work in all cases. Scenes from a fast moving car, or from a train if looking at the same scene WILL work most of the time. But if the scene is constantly changing, then there can be wave type effects or jumps, where the scene was changing too much for the stabilization software settings to compensate. I find if one is at maximum zoom on their camcorder, and there is movement because of an inability to stabilize the subject at such a zoom, the Deshaker stabilization works great.
Overall, I find it is indispensable to have a stabilizer in software.
For now I am taking my more interesting (but unfortunately unsteady clips) into a Virtual Box session, stabilizing them in software, and then dragging them back to Linux kdenlive.
It would be nice to see a more friendly packaged application for Linux to take a directory of input videos, launch the stabilization software, and have then all sequentially processed.
Sun, 10/25/2009 - 13:40
I disliked having to boot to MS-Windows to stabilize my videos with Sony Vegas and Deshaker, save them, and then copy them back to Linux. And Sony Vegas/Deshaker ran too slow under a WinXP Virtual Box client session for my liking.
So I eventually managed to run Virtual Dub under wine, and I installed the Deshaker plugin. It runs faster than under winXP/Vegas and it works ok for stabilizing (in software) videos prior to dropping them into kdenlive. However I have not been able to get Virtual Dub under wine to accept the raw AVCHD videos from my Canon HF S10 (but the raw videos will be accepted under winXP with Sony Vegas and the VirtualDub/Deshaker combo) so clearly my wine implementation is missing some raw codecs. I suspect Sony Vegas has the needed codecs.
Still this lack of codecs is not completely blocking on stabilizing, but rather its only time consuming, as instead I batch convert my AVCHD raw videos to an intermediary recognized codec format (by VirtalDub under wine) prior to "deshaking"/"stabilizing". This success with VirtualDub/Deshaker/wine combination was on a 64-bit openSUSE-11.1 running KDE-3.5.10.
It does mean there are extra steps though:
* step-1 - change all raw Canon HF S10 videos to intermediary format accepted by VitualDub (under wine) [very easy to do with an ffmpeg script/batch file]
* step-2 - destabilize all videos with Virtual Dub/Deshaker under wine (takes a while to setup a "job" to do this, but once set up VirtualDub can run for hours doing multiple conversions);
* step-3 - take output files from Virtual Dub/Deshaker under wine and drop into KDEnlive for nominal video editing.
I run the KDE4 kdenlive-0.7.6 on KDE3 using the kdenlive packaged by the openSUSE community Packman packagers.
Sun, 10/25/2009 - 19:39
Any tips for getting deshaker to be recognized as a plugin in virtualdub? I get an error saying it cannot load the module. I tried using winetricks to install some libraries as I read elsewhere:
vcrun2005 MS Visual C++ 2005 libraries (mfc80,msvcp80,msvcr80)
vcrun2005sp1 MS Visual C++ 2005 sp1 libraries
ffdshow ffdshow video codecs
So far it works pretty well, except I cannot use deshaker. .
Thanks, Geoff
Sun, 10/25/2009 - 20:15
Got deshaker working. Also had to use winetricks to install MFC42.DLL
This look cool, but maybe too much of a pain for me with the multiple steps of conversion and processing. At least its nice to know I can use it if needed.
Mon, 10/26/2009 - 20:24
The multiple steps required to destabilize a video with win/VirtualDub/deshaker is a bit of a pain to use. I find I need to load the video, then select the 1st pass with the deshaker plugin and then process that. After that processing is complete then the 2nd pass needs to be selected with the deshaker plugin.
If I have multiple videos to stabilize, I've been using the VirtualDub job control, but even that requires a lot of time to setup. On occasion I spent an hour setting up multiple jobs, and then wine/VirtualDub/deshaker spent 5 hours on my Intel Core i7 920 based PC (w/openSUSE-11.1) processing 50+ video clips, applying a stabilizing effect to them.
Still, the 1 hour of setup for the 50+ clips was very repetitive. There must be an easier way.
I notice there are batch/script plugins for VirtualDub, and in the course of the next few weeks I hope to find one of them that will let me deshake (stabilize) an entire directory of files without having to spend 1 hour in setup (albeit all clips will be processed with the same deshaker settings, which may not be optimized).
... anyway ... I'm looking forward to the day when kdenlive will have its own internal destabilizer.
Wed, 10/28/2009 - 02:07
I ran into a problem and I seem not to be able to run deshaker on wine. I get a black/blank output monitor during the first pass that says: No previous frame to match on.
I guess I'll give up on that for now since it works fine on windows XP.
Wed, 11/04/2009 - 23:53
Reads to me like either a codec it does not recognize or possibly a bad setting. You could simply remove virtual dub under wine and re-install it.
However if you boot to windoze regularly then no problem. I rarely boot to WinXP and hence I would find that (having to boot to XP) a major inconvenience. Fortunately virtualdub/deshaker works well under wine for me, and I'm getting more adept at using it all the time, as the days go by.
Thu, 11/05/2009 - 11:32
Refer to oldcpu comment :
> I notice there are batch/script plugins for VirtualDub, and in the course of the next few weeks I hope to find one of them that will let me deshake (stabilize) an entire directory of files without having to spend 1 hour in setup (albeit all clips will be processed with the same deshaker settings, which may not be optimized).
I have the same need, so I created a shell script that deshake videos by:
-conversion of the original video with ffmpeg into mjpeg avi
-use VirtualDub with wine to deshake
-delete temporary files
I'll post the script tomorrow if you want
MJ Peg
Thu, 11/05/2009 - 14:22
If you don't mind running Windows/Wine for this... I went through all that myself trying to automate VirtualDub and Deshake to do a load of mts files. In the end I came up with the batch files I posted here :
Sometimes it still fails with a clip here and there, but I do those manually :)
AVCHD goes into VirtualDub OK using AviSynth scripts. Hope that helps
Thu, 11/05/2009 - 16:24
I will look if I can improve my script with yours.
But what I wanted was a script that can be run from Linux without doing anything else.
Now I can do a right-click a (lots of) file(s) and use the Nautilus scripts on any video to deshake it.
I had some trouble trying some windows script for VirtualDub to Deshacker on Linux. Your script can be run on Linux with Wine ?
Thu, 11/05/2009 - 21:37
Re: Jerem's comment:
> conversion of the original video with ffmpeg into mjpeg avi
For this I use the following one line (it may appear wrapped in this forum, but it is just one line):
for i in *.mts; do ffmpeg -y -i "$i" -f avi -vcodec mpeg4 -b 8000000 -acodec ac3 -ab 128000 -s 1280x720 year_month_day_${i/%mts/avi}; done
where I have a directory of ".mts" files, and I have added the Year_month_day_in front of each file, converting it from a .mts to a .avi extension.
I still have not got around to looking for a wine/virtualdub/deshaker script.
Thu, 11/05/2009 - 21:35
MJ Peg:
> In the end I came up with the batch files I posted here :
> http://forums.virtualdub.org/index.php?act=ST&f=5&t=17772&st=15&hl=
Thanks, I think it is possible to move from MJ Peg's example to wine for an entire directory, ... I don't have time this week, but maybe in the next couple of weeks.
I note this works for one file if the terminal session is in the video directory (with deshake01.vcf (pass01) and deshake02.vcf (pass02) in same directory):
wine /path/to/virtualdub/VirtualDub.exe /c /s deshake01.vcf /p initial-video.avi temporary-video.avi /r /x
wine /path/to/virtualdub/VirtualDub.exe /c /s deshake02.vcf /p initial-video.avi final-output-video.avi /r /x
which is in essence what MJ Peg created. One next needs to sort the paths, and then set up a simple bash loop to do this for an entire directory. I've done that for ffmpeg, so the same should be true/doable with wine/VirtualDub. As noted, I don't have time to sort this now, but it should be viable.
Thu, 11/05/2009 - 21:59
OK, further to my post above, ... I'm not very good at this, but I think something like this might work:
for i in *.avi; do wine /path/to/virtualdub/VirtualDub.exe /c /s deshake01.vcf /p $i temp.mp4 /r /x; wine /path/to/virtualdub/VirtualDub.exe /c /s deshake02.vcf /p $i deshaken_${i/%avi/mp4} /r /x; rm temp.mp4; done
In the above example one has a directory of video files with the .avi extension that one wishes to deshake. One also has the files deshake01.vcf and deshake02.vcf in the same directory as the .avi files (I have not sorted paths under wine). deshake01.vcf is pass01 of deshaker. deshake02.vcf is pass02 of deshaker.
After deshaking them with VirtualDub and deshaker, the final files ending up with a .mp4 extension and the words "dehaken_" in front of the file. ie if original file was "original.avi" the output file would be "deshaken_original.mp4".
Fri, 11/06/2009 - 09:12
my scripts is like tour last post :
I have a file "Deshake" in ~/.gnome2/nautilus-scripts directory, with KDE, there must be something similar.
for arg
rm "/media/data/Logiciels/Scripts/deshaker/output.avi"
ffmpeg -i "$arg" -acodec libmp3lame -ab 128 -vcodec mjpeg -qmin 3 -qmax 3 "/media/data/Logiciels/Scripts/deshaker/input.avi"
wine "C:\\Program Files\\virtualdub\\VirtualDub.exe" /x /min /priority low /s "Z:\\media\\data\\Logiciels\\Scripts\\deshaker\\Deshaker.syl"
rm "/media/data/Logiciels/Scripts/deshaker/input.avi"
mv -f "/media/data/Logiciels/Scripts/deshaker/output.avi" "$arg"-stab.avi
notify-send -t 2000 -i /usr/share/icons/gartoon/scalable/apps/xfce-multimedia.svg "Deshake done" ""
For each file passed in parameter, the script doing :
-delete the file previously created
-convert the file with ffmpeg to be recognized by VirtualDub
-deshake tempory file "input.avi" (the file converted by ffmpeg) to a file "output.avi"
-delete tempory file
-rename output file to original name + "-stab.avi"
Deshaker.syl :
VirtualDub.video.SetIVTC(0, 0, 0, 0);
VirtualDub.video.filters.Add("Deshaker v2.4");
VirtualDub.video.SetRange(500, 0);
VirtualDub.video.SetIVTC(0, 0, 0, 0);
VirtualDub.video.filters.Add("Deshaker v2.4");
You need to change one time all names ("Z:\\media\\data*" and "/media/data*")
It's not optimized, it's not the best way and the names are hard coded, but it works very well and it's simple.
However, it lacks the offset of the audio and I will add several sets of parameters for the second pass (to make differents outputs for each files)
Sat, 12/26/2009 - 11:10
>> Any tips for getting deshaker to be recognized as a plugin in
>> virtualdub? I get an error saying it cannot load the module.
> Got deshaker working. Also had to use winetricks to install MFC42.DLL
I decided to put VirtualDub with the deshaker plugin on my 64-bit openSUSE-11.2 running on my Dell Studio 1537 laptop.
I encountered the same "can not load the module" error, and I found just using winetricks to install MFC42.DLL was insufficient. I also had to use a hint from the deshaker web site: http://www.guthspot.se/video/deshaker.htm which states: Important: If VirtualDub reports an error or if it can't load Deshaker correctly, you're most likely missing some required files. In that case, simply install the Microsoft Visual C++ 2005 SP1 Redistributable Package http://www.microsoft.com/downloads/details.aspx?familyid=200B2FD9-AE1A-4...
After installing that, VirtualDub running under wine was able to use the deshaker plugin.
I'm testing it now. Its interesting to note that the VirtualDub/deshaker performance under my DualCore P8400 Dell Studio 1537 laptop is significantly slower than under my Intel Core i7 920 desktop (as would be expected given the Intel Core i7 have 4 cores (eight virtual)).
Sat, 12/26/2009 - 18:10
There is a mjpegtools component called "y4mstabilizer" that will do image stabilization.
It is less sophisticated than the "Deshaker", and to get optimum results from it, you must deinterlace and resample to 444 (which can be done in the same mjpegtools command line pipeline, you need to separately install y4mscaler however).
When I will be big, and have a lot of time, I will try to contribute code to it...
There was another project, or at least an attempt, called something like "yuvstabilizer", but somehow I can't google it out now... I think it was by a guy from Sweden... it used some advanced computer vision library...
Using some tools in Cinelera, a kind of image stabilzation can be obtained, too. But this is based on the tracking of a single object, which is less efficient, and will not give you full info about the camera motion.
Sat, 12/26/2009 - 21:46
I took notes during my last two VirtualDub installations under wine (with the deshaker plugin) and wrote them in in a brief How To Guide here: http://forums.opensuse.org/new-user-how-faq-read-only/unreviewed-how-faq...
While that is an openSUSE Linux forum, I think most of what I did is applicable to all Linux versions.
Sun, 12/27/2009 - 10:27
> There is a mjpegtools component called "y4mstabilizer" that will do image stabilization.
> It is less sophisticated than the "Deshaker", and to get optimum results from it,
> you must deinterlace and resample to 444 (which can be done in the same mjpegtools
> command line pipeline, you need to separately install y4mscaler however).
That is interesting to know. After reading your post I checked my openSUSE Packman packaged version of mjpegtools rpm and sure enough, included was /usr/bin/y4mstabilizer. With mjpegtools installed, by typing: "y4mstabilizer -h" one can learn a bit more about this mjpegtools stabilization package.
Edit: further to this, I note the mjpegtools mailing list has examples of the use of y4mstabilizer
There are examples in that thread of useage attempts ... I have not tried this so I can not comment on its use. The syntax from my copy and paste may not be good.
Sun, 12/27/2009 - 18:05
Finally I found the other thing, it is called "yuv motion tools", and is from Denmark, not Sweden :-)
It is called YUV motion tools, for download see here:
and the project site is at
but does not seem to be very active.
I remember that once it was accompanied with a rather long webpage containing an exhaustive descriprion and examples, but that I still cannot find.
I have downloaded it a few minutes ago, it compiled without problems, but will not work.
I fed it a DV clip through the suggested pipeline, but it just throws out an error and dies...
I'll try to contact the author...
Tue, 12/29/2009 - 08:55
I have contacted the author. He is a very nice guy, and has fixed the bug in no time.
Now this works, so we have another image stabilizing tool under Linux! It is based on the "openCV" computer vision libary.
He also pointed out that the english description page somehow got lost, only the danish version remains:
Wed, 12/30/2009 - 10:50
> He also pointed out that the english description page
> somehow got lost, only the danish version remains:
Too bad about no English version (for us who do not speak Danish). I note here a translator for Danish to English:
* http://www.translation-guide.com/free_online_translators.php?from=Danish...
where one just copies the Danish web page URL into that translation tool.
Of course one has to then go and change the code that was inappropriately translated. And as in all such electronic/computer translations, the translation often does not make sense.
Wed, 12/30/2009 - 13:10
If the motion stabilization effect is based on OpenCV you should be able to contact Frei0r developers and ask them to include the effect in Frei0r. They are very nice guys probably interested in this kind of tool. Or maybe the effect developer in Danemark would be interested to add the effect to Frei0r. You can create a ticket on Frei0r here: http://www.piksel.no/projects/frei0r/report and register the mailing list there: https://piksel.no/mailman/listinfo/frei0r-devel
When it is included in Frei0r, you can use it in Kdenlive. It is just a question of passing the information to the right persons.
Wed, 12/30/2009 - 19:49
Hi! Yuv motion tools coder here. Marko found me and directed my attention to the forum. He suggested to co-work on further development in whatever ways he can, which is great to hear.
Coding issues first: In hindsight mjpegtools was probably not the best choice to use, but 1) it was simple to code, and 2) I was using it at the time.
I'd be happy to port the stabilizer to frei0r. If it can function as a mjpegtool program, then surely also as a frei0r plugin.
Formalities last: I'm a bit humbled that Kdenlive has gotten so far in the years since last I saw it. And the same thing to frei0r. I must shamefully admit that I could not give much credence to any processing system which was not based on OpenGL so I abandoned any hope that FOSS video editing would ever go far. I tried Kdenlive with Frei0r plugins this evening and for the first time in years I felt fun with video stuff again.
Thu, 12/31/2009 - 08:37
Hi again.
I'm looking into frei0r right now.
There's another thing which could be fun to integrate - a tool I also did (once again using OpenCV) which helps place a matte painting on a background. It can't be done as a plugin since it requires user interaction, so I am only suggesting it since I can imagine the Kdenlive devs being busy on more pressing matters.
See the description here: http://vaults.atomicmonstergirls.net/useful/techworks/utilities/mattepla...
.. And see the videos in the danish blog entry here: http://www.modspil.dk/itogtech/fri_software_og_multimedier__matte_painti...
The user is required to follow a procedure:
1) Paint on the background area (thus revealing where in the image the background is), and then step forward a number of frames until the tracking points of those area are all gone (e.g. if the camera as panning to the left, the tracking points dissappear to the right). Then the user masks out more background area and so on.
2) Once a complete track is made, the tool attempt to make a "panorama shot": http://www.modspil.dk/images/matteplacer-2.png
3) The backdrop is taken to GIMP and a matte painting overlay is made which is then composited over the old background: http://www.modspil.dk/images/matteplacer-3.png. Then a frame sequence is saved and converted to video.
It is by no means perfect, e.g. the picture tends to "jump" at those frames where new tracking points are added. And the process is slow for the user given that the tool is standalone rather than integrated into a video editor. Besides (Py)GTK is rather slow to do compositing (I'm a Qt programmer now, but not then), and the tool should use multithreading.
Once again, it is only a suggestion. I would need much help from someone who knows Kdenlive well.
Thu, 12/31/2009 - 17:16
Hi again.
Okay, here's my shot at it, albeit a bit hackish: Stabiliz0r (when you're in Rome...)
Tested in Arch linux and Ubuntu 9.10 (updated today). The ubuntu version uses the precompiled packages just as described in the download section of Kdenlive.
You will also need to install frei0r-plugins-dev.
You will find both the source code (untar, cd worksite/build-lingcc, make -f Makefile.frei0r) and the Ubuntu 9.10 frei0r compiled plugin here:
- Source: http://vaults.atomicmonstergirls.net/public/techworks/utilities/yuvmotio...
- Ubuntu: http://vaults.atomicmonstergirls.net/public/techworks/utilities/ubuntu-9...
I had success using stabiliz0r in Kdenlive by simply putting the plugin into ~/frei0r-1/lib. But you people are the experts on the matter.
Should show up in the effects list as Misc/Stabiliz0r.
EDIT1: I should add that performance is not the most incredible.
EDIT2: Kdenlive crashed at least on one occasion using the stabilizer. May have to do with the fact that it is slow.
Happy new year...
Centipede (Rene Jensen)
Thu, 12/31/2009 - 17:34
It seems the following stabilization program has not been mentioned yet
vid.stab plugin:
for transcode:
There are two quite nice example videos on the plugin site.
Fri, 01/01/2010 - 13:20
this really came as a surprise to me - some time ago I have installed "trasncode" on my suse 11.1 from the rpm repositories, but never knew it included a stabilizer...
Just typed
tcmodinfo -i stabilize
tcmodinfo -i transform
and saw that really it was here all the time!
Fri, 01/01/2010 - 18:35
Ha, me too. If I've only known about that a year ago.
The more I think about it, the more I feel that stabilization belongs in a preprocessing step (along with deinterlace and denoise). It needs to be done on all clips and there is no reason why the video editor should spend precious cpu cycles on that job. EDIT: Seems there's plenty of opportunity to batch process in Kdenlive. I meant using transcode and yuvdeinterlace|yuvdenoise|yuvstabilize.
@Marko: I seem to be at odds with transcode. I can survive controlling ffmpeg and mencoder, but I can't seem to construct a command line which will play my clips properly. I'd like to see the result and speed of the transcode stabilizer. It is quite a bit more mature (although thinking along the terms of OpenCV might in the long run yield some added benefits). What command line do you use to play PAL-DV videos to the screen?
Fri, 01/01/2010 - 22:48
Answering my own question, here's what I use (mostly just for future google searches). It looks nice I think. The good thing about a two-phase process is that it allows the stabilizer to react prior to an event.
transcode -H0 -i INFILE -x mplayer,mplayer -J smartyuv=highq=1:diffmode=2:cubic=1:Blend=1:chromathres=4:threshold=8:doChroma=1 -J stabilize -y null,null -o dummy
transcode -H0 -i INFILE -x mplayer,mplayer -J smartyuv=highq=1:diffmode=2:cubic=1:Blend=1:chromathres=4:threshold=8:doChroma=1 -J transform -o OUTFILE -y ffmpeg,ffmpeg -F huffyuv
The deinterlace filter doesn't give me the best results. I'm fouling up the parameters..
Tue, 01/19/2010 - 21:23
Hi everyone!
I'm interested in an easy way to stabilize my videos and this thread is very interesting.
@centipede: You said that you have only placed stabiliz0r.so into ~/frei0r-1/lib and that you were able to see the plugin?
Because I did that, after installing frei0r-dev, and it did nothing.
Using transcode, do I have to add a profile in Settings/Configure Kdenlive/Transcode? If yes, could you tell me exactly what I need to do.
I don't use kdenlive for a long time so I don't really know how it works under.
Thanks for you help
Sat, 01/23/2010 - 17:56
I've tried the two stabilization commands as follows:
transcode -H0 -i INFILE -x mplayer,mplayer -J smartyuv=highq=1:diffmode=2:cubic=1:Blend=1:chromathres=4:threshold=8:doChroma=1 -J stabilize -y null,null -o dummy
transcode -H0 -i INFILE -x mplayer,mplayer -J smartyuv=highq=1:diffmode=2:cubic=1:Blend=1:chromathres=4:threshold=8:doChroma=1 -J transform -o OUTFILE -y ffmpeg,ffmpeg -F huffyuv
And my resulting file is just coloured snow. Here are my outputs from the two commands:
For the first statement: transcode -H0 -i INFILE -x mplayer,mplayer -J smartyuv=highq=1:diffmode=2:cubic=1:Blend=1:chromathres=4:threshold=8:doChroma=1 -J stabilize -y null,null -o dummy
I get:
keithclark@HP1211N:~/Videos/Home Video/22 January 2010$ transcode -H0 -i VID00003.MP4 -x mplayer,mplayer -J smartyuv=highq=1:diffmode=2:cubic=1:Blend=1:chromathres=4:threshold=8:doChroma=1 -J stabilize -y null,null -o dummy
transcode v1.1.4 (C) 2001-2003 Thomas Oestreich, 2003-2009 Transcode Team
[transcode] V: AV demux/sync | (1) sync AV at initial MPEG sequence
[transcode] V: import frame | 720x576 1.25:1 encoded @ UNKNOWN
[transcode] V: bits/pixel | 0.174
[transcode] V: decoding fps,frc | 25.000,0
[transcode] V: video format | YUV420 (4:2:0) aka I420
[transcode] A: import format | 0x2000 AC3 [48000,16,2]
[transcode] A: export | disabled
[transcode] V: encoding fps,frc | 25.000,3
[transcode] A: bytes per frame | 7680 (7680.000000)
[transcode] A: adjustment | 0@1000
[transcode] V: IA32/AMD64 accel | sse3 sse2 sse 3dnowext 3dnow mmxext mmx cmove asm
[transcode] V: video buffer | 10 @ 720x576 [0x2]
[transcode] A: audio buffer | 10 @ 48000x2x16
[import_mplayer.so] v0.1.2 (2007-11-01) (video) rendered by mplayer | (audio) rendered by mplayer
[filter_smartyuv.so] options=highq=1:diffmode=2:cubic=1:Blend=1:chromathres=4:threshold=8:doChroma=1
[filter_smartyuv.so] (MMX) 0.1.6 (2007-05-31) Motion-adaptive deinterlacing
[filter_stabilize.so] v0.4.3 (2008-11-30) extracts relative transformations of
subsequent frames (used for stabilization together with the
transform filter in a second pass)
[filter_stabilize.so] Image Stabilization Settings:
[filter_stabilize.so] maxshift = 48
[filter_stabilize.so] stepsize = 2
[filter_stabilize.so] allowmax = 1
[filter_stabilize.so] algo = 1
[filter_stabilize.so] fieldsetup = 3
[filter_stabilize.so] fieldsize = 57
[filter_stabilize.so] result = VID00003.MP4.trf
[export_null.so] v0.1.2 (2001-08-17) (video) null | (audio) null
[import_mplayer.so] mplayer -slave -hardframedrop -vo null -ao pcm:nowaveheader:file="/tmp/mplayer2transcode-audio.4HYsNd" "VID00003.MP4" > /dev/null 2>&1
[import_mplayer.so] tcextract -i /tmp/mplayer2transcode-audio.4HYsNd -x pcm -t raw
[import_mplayer.so] mplayer -slave -benchmark -noframedrop -nosound -vo yuv4mpeg:file=/tmp/mplayer2transcode-video.Kyaf3X "VID00003.MP4" -osdlevel 0 > /dev/null 2>&1
[import_mplayer.so] tcextract -i /tmp/mplayer2transcode-video.Kyaf3X -x yuv420p -t yuv4mpeg
[decoder.c] cancelling the import threads 0:00:32, (17| 0| 3)
[transcode] encoded 822 frames (0 dropped, 0 cloned), clip length 32.88 s
For the second statement: transcode -H0 -i INFILE -x mplayer,mplayer -J smartyuv=highq=1:diffmode=2:cubic=1:Blend=1:chromathres=4:threshold=8:doChroma=1 -J transform -o OUTFILE -y ffmpeg,ffmpeg -F huffyuv
I get:
keithclark@HP1211N:~/Videos/Home Video/22 January 2010$ transcode -H0 -i VID00003.MP4 -x mplayer,mplayer -J smartyuv=highq=1:diffmode=2:cubic=1:Blend=1:chromathres=4:threshold=8:doChroma=1 -J transform -o VID00003_STAB.MP4 -y ffmpeg,ffmpeg -F huffyuv
transcode v1.1.4 (C) 2001-2003 Thomas Oestreich, 2003-2009 Transcode Team
[transcode] V: AV demux/sync | (1) sync AV at initial MPEG sequence
[transcode] V: import frame | 720x576 1.25:1 encoded @ UNKNOWN
[transcode] V: bits/pixel | 0.174
[transcode] V: decoding fps,frc | 25.000,0
[transcode] V: video format | YUV420 (4:2:0) aka I420
[transcode] A: import format | 0x2000 AC3 [48000,16,2]
[transcode] A: export format | 0x55 MPEG ES Layer 3 [48000,16,2] 128 kbps
[transcode] V: export format | unknown (module dependant)
[transcode] V: encoding fps,frc | 25.000,3
[transcode] A: bytes per frame | 7680 (7680.000000)
[transcode] A: adjustment | 0@1000
[transcode] V: IA32/AMD64 accel | sse3 sse2 sse 3dnowext 3dnow mmxext mmx cmove asm
[transcode] V: video buffer | 10 @ 720x576 [0x2]
[transcode] A: audio buffer | 10 @ 48000x2x16
[import_mplayer.so] v0.1.2 (2007-11-01) (video) rendered by mplayer | (audio) rendered by mplayer
[filter_smartyuv.so] options=highq=1:diffmode=2:cubic=1:Blend=1:chromathres=4:threshold=8:doChroma=1
[filter_smartyuv.so] (MMX) 0.1.6 (2007-05-31) Motion-adaptive deinterlacing
[filter_transform.so] v0.4.4 (2008-12-06) transforms each frame according to transformations
given in an input file (e.g. translation, rotate) see also filter stabilize
[filter_transform.so] Image Transformation/Stabilization Settings:
[filter_transform.so] maxshift = -1
[filter_transform.so] maxangle = -1.000000
[filter_transform.so] smoothing = 10
[filter_transform.so] crop = Keep
[filter_transform.so] relative = True
[filter_transform.so] invert = False
[filter_transform.so] input = VID00003.MP4.trf
[export_ffmpeg.so] v0.3.18 (2008-11-29) (video) Lavc52.20.0 | (audio) MPEG/AC3/PCM
[import_mplayer.so] mplayer -slave -hardframedrop -vo null -ao pcm:nowaveheader:file="/tmp/mplayer2transcode-audio.LIQeMN" "VID00003.MP4" > /dev/null 2>&1
[import_mplayer.so] tcextract -i /tmp/mplayer2transcode-audio.LIQeMN -x pcm -t raw
[import_mplayer.so] mplayer -slave -benchmark -noframedrop -nosound -vo yuv4mpeg:file=/tmp/mplayer2transcode-video.1ZLzyO "VID00003.MP4" -osdlevel 0 > /dev/null 2>&1
[import_mplayer.so] tcextract -i /tmp/mplayer2transcode-video.1ZLzyO -x yuv420p -t yuv4mpeg
[export_ffmpeg.so] Using FFMPEG codec 'huffyuv' (FourCC 'HFYU', Lossless HUFFYUV codec).
[export_ffmpeg.so] No profile selected
[export_ffmpeg.so] warning: Error opening configuration file ./ffmpeg.cfg: No such file or directory
[export_ffmpeg.so] Starting 1 thread(s)
[export_ffmpeg.so] Set display aspect ratio to input
[huffyuv @ 0x20e5470]using huffyuv 2.2.0 or newer interlacing flag
[export_ffmpeg.so] warning: Usage of this module for audio encoding is deprecated.
[export_ffmpeg.so] warning: Consider switch to export_tcaud module.
[transcode] Audio: using lame-3.98.2
[decoder.c] cancelling the import threads 0:00:32, (17| 0| 3)
[transcode] encoded 822 frames (0 dropped, 0 cloned), clip length 32.88 s
Mon, 06/14/2010 - 23:04
I also tried the transcode and vid.stab commands above but all I get is these messages:
[filter_stabilize.so] warning: too low contrast! No field remains. Use larger fild size.
and a noise like output file. This was with transcode version 1.1.5 with vid.stab 0.75 patch.
Does anyone know a working transcode version with or without patches?
Wed, 06/16/2010 - 21:20
I use the same version Transcode under suse 11.1 64 bit, and it works quite well.
Example of commandline (INFILE is an already deinterlaced DV input file):
transcode -H0 -i INFILE.avi -x mplayer,mplayer -J stabilize -y null,null -o dummy
transcode -H0 -i INFILE.avi -x mplayer,mplayer -J transform -o OUTFILE -y ffmpeg,ffmpeg -F huffyuv
Did you try another input file? The "too low contrast" message sounds as if it did't like the video you gave it?
Fri, 06/18/2010 - 00:21
Ok, the commands do work for me but only on one type of input files:
mpeg2video, yuv420p, 720x576
On input files like these it fails and shows only bad looking colored stripes in output files:
Video: h264, yuv420p, 1280x720
Video: mjpeg, yuvj420p, 1280x720
Video: dnxhd, yuv422p, 1920x1080
Video: h264, yuv420p, 1920x1080
And complaints like:
[filter_stabilize.so] warning: too low contrast! No field remains.
(no translations are detected in frame 9)
[filter_stabilize.so] warning: too low contrast! No field remains.
(no translations are detected in frame 11)
[filter_stabilize.so] warning: too low contrast! No field remains.
(no translations are detected in frame 13)
[filter_stabilize.so] warning: too low contrast! No field remains.
(no translations are detected in frame 15)
[filter_stabilize.so] warning: too low contrast! No field remains
I was hoping that any input which I can view with mplayer and ffmpeg would work with transcode, but I guess I was wrong.
Looking at the transcode manual page, maybe I need to tell all the codec and frame size details to it, and it defaults to PAL.
Has anyone been lucky with HD file formats as input?
Sat, 06/19/2010 - 09:52
You have to tell Transcode the size of your video. For stuff from my Canon HV30 (HDV format) I use:
transcode -H0 -g 1440x1080 -i dvgrab-020.m2t -x mplayer,mplayer -J stabilize -y null,null -o dummy
transcode -H0 -g 1440x1080 -i dvgrab-020.m2t -x mplayer,mplayer -J transform -o OUTFILE -y ffmpeg,ffmpeg -F huffyuv
and get a beer from the fridge, since it isn't supersonic! On my machine (AMD athlon 64 X2 4400+) the first pass runs at 0.8 fps and the second at 2 fps.
The aspect ratio gets lost somewhere in the process, I did try to run the second pass with --export_asr 3, but it did not help.
To get the correct apect ratio in Kdenlive, I have to right click on the clip in the project tree window, go to "Clip Properties", then "Advanced" and set "Force pixel aspect ratio" to 1.33.
Maybe specifying a different output format in the second pass of stabilization would fix this... (you might want to do this anyway for the sake of file size, I just want to avoid another re-coding loss...)
For square pixel formats (AVHCD?) this should not be a problem anyway...
Sat, 06/19/2010 - 15:48
Marko, Thanks for the info, I'm going to try this tonight. I've got the same camera and have been wanting to stabilize stuff. Geoff
Sat, 06/19/2010 - 18:07
BTW, I use my HV30 in progressive mode, if you shoot interlaced, you might want to deinterlace first. (for SD I used avidemux yadif, don't know about HD...)
Transcode does have its own deinterlacer, which you can put into the pipeline before stabilization, but I never used it, so can't give any hints on that...
Sat, 06/19/2010 - 19:03
I tried transcode using the commands Marco supplied and it does render and work, but the output does not look good as if it has had too much correction applied and is blurry. Do you know how to add options to the command to try and tweak the stabilizatio?. Something like -J stabilize OPTION OPTIONARG ? I've tried several combinations and it doesn't seem to like them. I can see options here: tcmodinfo -i stabilize
Any help appreciated. Thanks, Geoff
Sat, 06/19/2010 - 19:15
Maybe you shot your video in lower light, and the exposure time was longer, causing motion blur on the shake? Stabilization can not remove that...
Can you put (a single frame of) the stabilized video somewhere to see?
Here is an example (before and after) of how it works here:
This was a rather shaky handheld shot at the long end of the zoom.
(the additional zoom is done by the stabilizer to hide the empty borders, it can be switched off)
Mon, 09/13/2010 - 15:02
Is your plugin still up anywhere? I tried clicking on your links and got a 404
Mon, 09/13/2010 - 16:32
The only thing that could be used as a plugin in Kdenlive, is centipede's code (message #30 above) - it is not included in the official Frei0r set.
Otherwise, we were mostly discussing the stabilzer function of "transcode", this is also what the above command lines and examples refer to.
P.S if you meant the above links to .png images, they seem to be Ok here...
Tue, 09/14/2010 - 22:17
The code in message #30 isn't loading. It seems like that site is down and I was wondering if anyone had grabbed the code before it went.
I'll try the plugin too
Thu, 09/16/2010 - 03:23
Until you get the more direct method of stabilization working, you can use VirtualDub running under wine with the Deshakerplugin (which is what I use). I wrote a guide for it here: http://forums.opensuse.org/english/information-new-users/unreviewed-how-... ... and while I did this on openSUSE I am fairly confident the same method should work on all Linux distributions.
Note there is now version 2.5 of deshaker plugin for VirtualDub (which runs under wine) available and I note a change for the C++ and MCF libraries for the version-2.5 change history, and that may make unnecessazry a couple of the steps [ie step-3 and step-4] that I have in my guide above (ie maybe they are not needed for VirtualDub version-2.5).
There have been so many advances in kdenlive over the years, that it is approaching the time where the addition of stabilization (as opposed to using a work around method such as wine) may indeed be one of the more helpful updates it could incorporate (if it becomes feasible).
Good luck.
Sun, 09/19/2010 - 01:48
So, I'm trying to figure out how to use the transcode command line program but I'm getting nowhere. I'm working with this video http://www.hellocatfood.com/misc/untitled.avi
First I run transcode -H0 -g 640x480 -i untitled.avi -x mplayer,mplayer -J stabilize -y null,null -o dummy and get flooded with this warning: [filter_stabilize.so] warning: unsupported Codec: 2
I then run transcode -H0 -g 640x480 -i untitled.avi -x mplayer,mplayer -J transform -o output.avi -y ffmpeg,ffmpeg -F huffyuv and get flooded with this warning [filter_transform.so] critical: not enough transforms found!6)
The output file plays fine but hasn't been stabilized. Can anyone help me figure out why I'm getting all of these error messages?
Sun, 09/19/2010 - 11:38
As far as Mplayer says, your video is 720x576, not 640x480.
Transcode can work on this size by default, so you can eliminate the -g alltogether.
(but this does not seem probable to cause a "missing codec" error... maybe your ffmpeg is faulty?)
I tried:
transcode -H0 -i untitled.avi -x mplayer,mplayer -J stabilize -y null,null -o dummy
transcode -H0 -i untitled.avi -x mplayer,mplayer -J transform -o OUTFILE -y ffmpeg,ffmpeg -F huffyuv
and it worked well.
Of course, with such extremely shaky video, the results aren't perfect, especially the rolling shutter "squishing" is quite prominent.
The virtual dub's deshaker does have a rolling shutter compensation option, will try that when I'll have time, just to compare the results...


text:
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text:
I just enchanted a book. Now it has "Vorpal II" on it and I don't know what this enchantment does. Can someone help?
The Redpower2 mod for Minecraft removes the default chance of a mob dropping its head, and instead adds the Vorpal enchantment. When killed with a Vorpal enchanted weapon, mobs and players have a chance to drop their head, increasing with a higher Vorpal level. Unfortunately, this affect does not work on wither skeletons. The Vorpal enchantment also gives a chance for your attack to deal a large amount of damage.
Vorpal Enchantment: (RP2)
Type: Weapon
Vorpal Levels: 1-4 ; Each rank increases the likelihood of the effect.
Effect: Beheads the enemy, killing the player or mob and dropping their head. Does not seem to affect Wither Skeletons. Note that this is a 1-shot kill chance and is a powerful enchant.
It increases the chances that a mob drops its head. It comes from the RedPower2 mod.


text: Mr. and Mrs. Richard J. Smolkis of Middlebury celebrated their 50th wedding anniversary with a renewal of vows at St. John of the Cross Church in Middlebury and a reception at the Painted Pony Restaurant in Bethlehem. Mr. and Mrs. Smolkis were married Nov. 22, 1962, at St. Patrick's Church in Waterbury. They have three children, Richard C. Smolkis of Bethlehem and Michael Smolkis and Mark Smolkis of Naugatuck, and three grandchildren.


text:
hello I am new to Ubuntu ad using Ubuntu v12.04 on my Asus k53sv-sx521d laptop. I want to make sure that Ubuntu is not going to reduce longevity of my laptop or going to harm my laptop parts (hardware) . I will wait for (to the point)reply from you guys. Thanks in advance
closed as not constructive by Jorge Castro, Anwar Shah, Eliah Kagan, jokerdino♦, stephenmyall Sep 18 '12 at 15:20
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance.If this question can be reworded to fit the rules in the help center, please edit the question.
I can answer using as reference 3 HP Laptops and 1 Toshiba. 2 of the HP laptops have an Nvidia video card, the other HP and Toshiba have both an Intel card. This is what I have gathered from the past year and half (Since Ubuntu 10.04 up to 12.04):
you can get the idea after reading all of this that using Ubuntu or any other Linux OS for that matter should make your laptop last several months/years longer. Got an additional case of a cousin in Aruba that has an Acer REALLYY old model that was having problems with Windows XP and the battery, wifi and video. I install Ubuntu on the laptop. It is still working today. Guess what version of Ubuntu I installed.. 6.10. Almost 6 years ago his laptop was going to die.
In the end you can test both of them on the same hardware I see it for yourself. You can come to this question in a year or two to give your thoughts about how it all went.
No. In general it is almost impossible for software to unintentionally damage hardware.
Ubuntu is always safe, on every hardware.
Remember to always properly shutdown or reboot your computer and everything should work well for a long, long time.
Any Linux operating system is always safe to use... :)
Definitely better than...You know what i am saying...
There are so many people who also port Ubuntu to their MACs..!!
MACs are obviously costly machines..!! But Ubuntu runs in Peace with everyone.. ;)
You do not need to worry...Stay with Linux/Ubuntu and be the safest person on earth ;)
Just be sure you dont do anything Intentionaly as said in other answers..!! ;)
Even my friend got the same laptop and I installed it a few months ago with Ubuntu 11.04 and its very nice, He didn't complained till date.


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Regular Price: $3,250.00


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- Gift Cards
- Gift Ideas & Promotions
- The Day Spa @ Home
- Face
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- Beauty Essentials
- FAQs
Our Price:£23.00
Quantity: 200ml
Extracts of Apricot soothe and harmonise, giving rise to a fresh sensation and radiant appearance. Ideally suited to extra-sensitive, delicate and hormonal skin. This alcohol-free toner is so gentle; it may also be applied to cotton pads for a soothing eye treatment.
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I want to set up a page with a form the visitor needs to fill out and accept terms before going on to another page. Is there a plugin to do this? If no plug in, is there another way?
Any help would be appreciated!
I would use a shortcode for this. Wrap the content you want behind the "terms_required" shortcode, if the user hasn't agreed to the terms, show them the form.
The form would submit to a custom rewrite rule (url endpoint) that validates the form and sets a cookie if everything checks out.
Let's start by wrapping everything in a class -- there are a few class constants here that we'll use later.
We can add the shortcode: hook into
The rewrite rule is a bit more complex: hook into init, call
The final piece of the puzzle handling the form submit. To do that, hook into
The other improve that would be worth making is using the settings API to add a field in the admin area where you can the terms that end up displaying on the front end.
To do that, hook into
Place this into your


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Recently I discovered by myself that sum of N sequential odd numbers will result into N2.
Can anyone explain this to me? I want to know why not a proof.
Some examples:
1 12 1 1+3 22 4 1+3+5 32 9 ... 1+3+5+7+9+11+13+15 82 64
This is not homework, but personal knowledge. I'm also sorry in advance if it's too simple.
Also an apology if it's tagged wrong.


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WOODSFIELD - The Switzerland of Ohio Local School District's 6.44 mill emergency operating levy was voted down in Tuesday's election.
The votes were 2,026 were against the levy and 1,935 for the levy.
The district that is already facing financial hardship will now enter Phase 3 to live within its means.
"I'm disappointed at the outcome, and the voters have given us a direction, now we must live within our means and will have to cut back what we can offer," said Superintendent Larry Elliott. "We told voters, up-front, in many community meetings, that we have plans in place. We will be fiscally responsible. We can't spend what we do not have."
Phases 2 and3 include the elimination of school programs and jobs. Phases 2 and 3 also include:
Phase 1 included the elimination of three jobs, field trips that were not independently funded and had limited board compensation.
All of these cuts of Phase 2 and 3 will go into effect at the start of the 2013-2014 school year.
"This is going to be dramatic. We will be offering less for students and some might leave the district. We will do the best we can with what we have," said Elliott. "We have good students, staff and faculty and will get through this. But the district will be fiscally responsible."
Van Dyne can be reached at email@example.com.


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October 20, 2011
Cape Town street art – A Cape Town Tourism photo essay
Tagging, spray painting, drawings, graffiti ... whatever you may call it, you can't have missed these artworks in the city.
Wikipedia says the following: "Woodstock (formerly known as Papendorp) is a suburb of Cape Town, South Africa. It is located between the docks of Table Bay and the lower slopes of Devil's Peak, about 1km east of the city centre of Cape Town."
The Biscuit Mill Market, Upper East Side, the Bromwell Boutique Mall and many galleries, and awesome delis, from the Kitchen to Superette and the Deli. If you haven't visited any of these places, maybe it's time for a Saturday morning outing.
I've been working in Woodstock for the past five years. It has changed a lot in that time. It is such an interesting place, a real melting pot of cultures, as well as history. It has become very trendy, and once you get to know it, you have to love it ...
The one thing that has been here since I got to know the place, even before all the trendy people moved in, is graffiti. I've always thought that it was cool, but never appreciated how awesome it really is.
I can't take credit for any these photos. Woodstock is used by many talented graffiti artists as a canvas for their awesome street art. I often discover new graffiti while using back streets to avoid rush-hour traffic. Many different styles, all very distinctive.
The graffiti seen here is by Faith, Boa Mistura, two by Freddy Sam and also another artist, unknown to me.
Here is a very cool time-lapse video documenting the creation of one of these:
Do you have images of Cape Town you'd like to share with us? We'd love you to join the Cape Town. Live it. Love it. Flickr group!
Images © Quantum Theory
Check out our Top Five Street Art Spots for more information on this form of artistic expression.


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Given a Barlow packing of $\mathbb{R}^n$ by balls with at most a finite number of different radii, the centers of the balls will form a Delone set in $\mathbb{R}^n.$
For a highest density sphere packing, or at least a Barlow packing of highest density among Barlow packings, must the corresponding Delone set be a Meyer set? A Patterson set? In the cases of dimensions 2 and 3 where the optimal packing using a single radius is known, the sets can be chosen to be lattices.
I looked for papers exploring this connection and could only find this one https://www-fourier.ujf-grenoble.fr/PUBLIS/publications/REF_678.pdf, which is good, but doesn't address the big picture questions above.
EDIT: As the comments indicate, we should restrict to Barlow packings. In this case the Delone sets always appear to be of finite local complexity.


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I recently realized roasted red peppers make so many of my dishes pop, but it's a pretty pricey ingredient. A small jar costs three bucks and a big jar is seven. At my local grocer I can get red peppers for two dollars a pound. Does anyone have experience roasting their own and, if so, do you save cost and how do I store them?
I roast them "fresh" as I need them, but my method scales up easily.
I use a gas grill and turn it to high. Set the whole peppers on the grill, and turn them when the skin is black on the hot side. When they're black all over (after maybe 2-3 minutes per side for all 4 sides of the typical ones in my local supermarket), I put them into a large disposable plastic container with a tight fitting lid and let them cool in it. The skin peels off quite easily, and they can be seeded and de-stemmed quite easily.
If I were going to preserve them, I'd probably chuck them into a plastic container or zip-top bag and freeze them.
in my culture we make so called AJVAR (and it is usable for whole winter) it is usually made in late summer when red peppers come to season (and are cheapest too). We prefer it home made rather than buying it ready. It is not all about the money :) And we do it big scale operation (whole day or weekend event). This is recipe with notes:
in bulgaria, they make "ljutenica" which is similar to this, but they also add grilled eggplant and in some cases tomato paste (makes amazing taste).
some folks here like "ajvar" to be hot, so they add hot chilli peppers to mix, or buy hot red peppers.
amounts: 10kg of peppers will make 1-3 1kg jars, but, it is worth the works, the most important thing is that YOU EXACTLY KNOW WHAT IS IN THAT JAR!!! Calculate number of jars you will consume during winter, you may actually save money on amount. And, do an experiment - compare what you have made, and what you can buy, as this makes the point where money is not everything :)
AJVAR can be used as is, also it can be roasted, toasted or cooked additionally - examples: - as "winter salad" (on its own) e.g. acompanioned with pickles (decorative too: red ajvar and green or white pickles), - can be used as spread on bread, with some good cheese, or prosciutto, also try all of this toasted! - can be added to pastas or mixed/cooked in pasta sauce with tomatoes or other ingredients, - also it makes even better and tastier pizza spread than tomatoes, - can be added to soups and stews
Kick your imagination off - it is versatile ingredient! Enjoy!
I halve them, smear with oil and roast them cut side down for about 30 - 40 mins at 200 deg, then cover with foil (or put in a plastic bag) to cool. Peel off skin, usually easy, then use straight away or freeze
Once you roast your own you will never go back!
Mine keep for around 1 month in the fridge. That is not conclusive however! Cost depends on season (when peppers are cheap, it is worth it. When they are out of season, maybe not), and the quality of the olive oil you use.
Method - slice them into large, fairly flat pieces - about 4 per pepper. Lay them flat on an oven-proof tray, skin side up. Grill them for about 10 minutes on fairly high heat, or until the skins are blistered and dark. This will depend on your oven. Put the pieces (while hot) into a plastic or paper bag and let them sit in there for about 10 minutes until they are cool enough to handle. This allows them to sweat a little to make it easier to remove the skin.
Remove the skin with your fingers. It should lift off easily. The bits around the cut edges will be more difficult. This is why I try to minimise the number of pieces from each pepper.
Slice the pieces and pack into a jar. Cover with olive oil. Personally, I like to add garlic slivers, 1 clove per small jar, but that is up to you.
The peppers should be covered with oil at all times, otherwise the bits sticking out may go mouldy.
I generally buy/cook organic, and my local co-op sells roasted red peppers in the bulk section. Per pound, the roasted peppers are half the price of the fresh red peppers.
Yes, by the jar they're crazy expensive, but if you can get it in the bulk section you'll save money.
And, of course, freshly roasted is very yummy, so if that's what you want, there's no comparison.


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I'm thinking about buying a USB TRNG. How do I evaluate its randomness? I'm sure some are better than others but which is which? Are thermal-noise better than radio-noise TRNGs?
Evaluating a TRNG device positively requires knowing its structure, both to evaluate the actual amount of entropy it produces, and the possibility to detect a field failure.
Some devices sold as TRNG are in fact a TRNG subsystem followed by a PRNG, which produces the output of the device. In that case, if the PRNG is any good, the output of the device may appear random even though the TRNG subsystem produces no or little entropy, opening the possibility of an attack (perhaps just by enumerating the possible outputs of the TRNG subsystem), especially for an attacker knowing enough about the PRNG.
To illustrate: consider an hypothetical Smart Card with an RNG amounting to a TRNG subsystem followed by an LFSR-based PRNG, which task is to hide any small imperfection of the TRNG subsystem. In case of total failure of the TRNG subsystem, perhaps induced by very cold temperature (as obtained non-destructively by evaporation of a liquefied gas poured on the card), it is easy to guess future output from past one (if the PRNG has few state bits, the output has a short period; even with many state bits, the full state is known after that many bits have been output, with knowledge of the LFSR feedback; even when that's unknown, Berlekamf-Massey allows an efficient attack). There might be less obvious failure modes at different temperatures. If the PRNG is fair (e.g. based on the ASG and enough state bits) but secret, only those in the know of the PRNG design are in a good position to detect the failure, or exploit it.
To avoid this, a modern Smart Card RNG may keep the same basic structure, but with hardware to detect total failure of the TRNG subsystem (e.g. when it outputs constant 0 or constant 1), with some access by the software to the output of the TRNG, to enable testing and certification. Any cryptographic TRNG should have some monitoring system able to detect its failures. In the case of a USB RNG, mere accidental under-voltage could cause the source to fail; and USB ports fuses, hubs and their power supply do fail! Monitoring is a must in contexts where an adversary is in a position induce failure. The monitoring system can be hardware or software, internal or external.
This is a requirement in the AIS31 scheme for common-criteria security evaluation of TRNG (index in German, linking to documents in English; see also how French authorities have been using AIS31 method, including some reservation in section 5). This the best such methodology I've used, although I find it much more complex than necessary to the point of being confusing, and not free from error especially in the examples. My advice if you want to assess by yourself the soundness of a TRNG (rather than delegate that to security certification) is to follow the principles behind AIS31, which I can loosely outline as:
With access to a raw bit stream produced by a TNRG hardware source, at a point amounting to the output of an analog comparator followed by sampling with a clock, one could do worse than experimentally evaluating the entropy in sub-samples of say 4 to 16 bits (depending on RAM resources and time allowance) by frequency counting, computing experimental entropy from that; doing this as monitoring, with some threshold comfortably below the experimental value; assuming the real entropy is a small fraction of what the threshold supports; and post-processing the whole output with a CSPRNG.
A note on thermal noise vs "radio noise" TRNG sources: I've never met the later, and suspect that it is hard to prove that an attacker can't beam some RF signal towards the TRNG source, strong enough to turn its output into a square wave under the attacker's control.
Thermal noise TRNGs are more classic. They are known to be susceptible to temperature variations; in theory, the colder the less entropy; but high temperatures can introduce undesirable effects in the detector following the source. This might need to be considered (it is very relevant in a Smart Card, not much to something hooked to a PC operated in a trusted environment).
My limited understanding of physics make me see thermal noise as having its origin in quantum noise. I'm equally confident in either as a source of unguessable bits for cryptographic purposes. In my opinion, what matters more than the quantum vs thermal origin of the noise is how it is extracted and converted to bits, and the robustness of that with respect to failure modes and external influence.
This is one area where CSPRNG post-processing helps: in a cryptographic context, it insures that an attacker must have near perfect control of the TRNG source to gain an advantage. As soon as about 160 bits (give or take a factor of two) of actual entropy has been fed into the CSPRNG (without the output being observable by the adversary meanwhile, as rightly pointed by @CodesInChaos), and baring any attack on its design or implementation, the output is indistinguishable from random for any practical purpose (that's even though any CSPRNG using finite memory and no more seeding has a finite period; we are considering computationally bounded adversaries).
The output of any TRNG can't be better than that! On the contrary, in my experience, the unconditioned output of a TRNG source is never free from some detectable bias. If a stream of bits of arbitrary length has odds of 0 vs 1 passing a basic chi-squared test (and especially when that stands taking the effect of temperature and device variation into consideration), this is strong indication that it is not the output of an unconditioned TRNG. And again, any post-processing of the TRNG source must be known and taken into account (in addition to the nature of the source) when assessing the TRNG, and especially the effectiveness of its monitoring.


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How could I obtain the list of all the groups of 5 numbers taken from
Range[12] such that the 2 lists have an empty intersection :
{{1,2,3,4,5},{6,7,8,9,10}} would be a solution while
{{1,2,3,4,5}, {5,6,7,8,9}} should be rejected as 5 is common to both.
I am currently trying to do so using
Position of empty
Intersection very unsuccessfully.
allCombinations =
DeleteDuplicates@(Sort /@ Permutations[Range[12], {5}])
Intersection[allCombinations[[base]], allCombinations[[#]]] & /@
Drop[Range[792], {base}], {}], 1]] /@ Range[792]
With which I am trying to obtain the position of the lists in allCombination s, but I still get duplicates...


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The Sexual Assault Across the Lifespan National Technical Assistance Project, a project of the National Sexual Violence Resource center, invites you to attend our upcoming webinar, "Prosecuting Cases of Sexual Violence in Later Life". Misconceptions about older adults and aging can make cases of sexual assault later in life difficult to prosecute. To build an effective prosecution it is necessary for criminal justice professionals to understand not only the unique realities of aging and elder abuse but also how to contest stereotypes about older adults used to cast doubt on testimony. Join us as Viktoria Kristiansson, Attorney Advisor for AEquitas: The Prosecutors' Resource on Violence Against Women, and Linda Dawson, Elder Justice Coordinator for the National Clearinghouse on Abuse in Later Life (NCALL), share their insights on how to support survivors and hold offenders accountable in cases of sexual violence in later life. At the conclusion of this webinar, participants will be better able to:
- Identify the dynamics of sexual abuse in later life and consequences for older victims
- Recognize tactics employed by offenders who commit sexual assault via force, fraud, or coercion
- Investigate and prosecute cases involving the sexual assault of older victims
- Promote collaboration and communication among agencies involved with elder abuse cases
Click here to register for this webinar: https://nsvrc.ilinc.com/register/tpzhhvf


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6 Things That Annoy You Every Day (Explained by Science)
A theoretical physicist named Geoffrey West was studying population growth of various cities when he noticed something weird. Basically, every time a city doubled in population, there was an inevitable 15 percent increase in ... well, everything. The rate of crime, pollution, disease, good stuff like productivity and creativity, and bafflingly specific stuff like the speed at which people walk along sidewalks. Double the citizens, everything went up by almost exactly 15 percent no matter where he looked.
It's weird to think of human behavior as predictable. It's not like criminals read the latest census information, do some quick calculations and put on their murder gloves to go out and fill their quota. But it turns out that a lot of the things that annoy us about daily existence are governed by scientific laws and systems we're not even aware of.
#6. Public Cell Phone Conversations
You're sitting on the train, trying to concentrate on the notebook in which you're composing your latest rock opera, when the guy across from you pulls out his cell phone and starts a conversation: "I know ... Sure I did ... Well, did you try setting it on fire? ... Ha, tell him not on my watch ... No, I said did you try setting it on fire?" Unable to concentrate, you sit in silent rage until he hangs up and you're able to breathe again. And then he starts dialing again. What the fuck is that guy's problem?
Everything we know about morality tells us you would be justified in beating him to death with a tire iron.
What The Hell Is Going On Here?
The real question is why are you so annoyed by him? Take a moment to look around our hypothetical train car. There's the guy behind you trying to teach his girlfriend to pronounce "Doritos" with correct Spanish phonetics. There's the conductor announcing the name of the next stop for the third goddamn time. Why is the guy on the mobile phone the one who's starring in grisly crime scenes in your mind?
Our problem with public cell phone conversations has nothing to do with how cool he thinks he is, or even his stupid voice. It's all in our heads.
Above: Not what we meant.
Science has proven that hearing half a conversation, as you're forced to do when close to a cell phone user, is inherently more distracting to the human brain. In one experiment, people were asked to try to concentrate on a task in total silence, and then while overhearing two people conversing with each other. They performed equally well both times. But when half a conversation was played, performances dropped dramatically. Another study showed that people on public transport recalled more details of a one-sided conversation than a two-sided one, even if they'd been trying to ignore both.
The human brain likes things to be predictable, and it can't really relax and "tune out" something that doesn't make sense. You might notice yourself trying to fill in the other half of the phone conversations you overhear. It's the same mechanism that makes it so hard to walk away after you've seen the first 15 minutes of an episode of CSI or Law & Order: The brain naturally hates leaving questions unanswered. Suddenly, you're trying to solve a puzzle instead of concentrating on how little you give a shit about the exact drunken position he passed out in last night.
Just how the fuck did that horse make her spend a year at college?
Unfortunately, there's not much you can do about it, unless you plan to start investing in extremely small EMP devices.
#5. Crowd Pushiness
You're on the jet bridge waiting for the lucky bastards already on the plane to stow their belongings in the overhead compartment. Suddenly, a fellow member of Boarding Group C pushes you from behind. You turn around to smile awkwardly so that the rest of the interminable wait isn't rife with awkwardness, only to be shoved on the ticklish side of your torso. You're considering withholding that awkward smile after all when you realize the guy with his hands on your breasts isn't the real culprit. The people in the back are all crushing in toward the plane as though it's a rave, and the plane is a giant ass sheathed in corduroy. Don't they see that there's literally 20 feet of empty space behind them?
There's a reason we usually fly on the Cracked private jet. And that reason is mescaline/absinthe shooters. But not getting shoulder-fucked by idiots is a nice bonus.
What The Hell Is Going On Here?
You're just the victim of something that seems to happen whenever a group of people waiting for something hasn't formed an orderly line. For some reason, the folks at the back just can't resist invading your personal space, as if an inch of forward movement will somehow make them reach their destination more quickly. We understand that people get impatient, but generally most of humanity manages to wait in line at the bank without banging up against the person in front of them like an angry giraffe. So why is it different in a thick crowd?
Anonymity breeds sociopathy. Otherwise known as Cracked's Greater Theory of 4Chan.
Believe it or not, this kind of thing is usually not caused by human malice or by a secret society of perverts who are really into rubbing against people's backs. Instead, it works like this: You're standing near the back of a crowd and there's a lot of free space around, so you move forward slightly, because hey, why not? Free space is cheap back here where there's lots of it.
Except that you have just started an Indiana Jones-style rolling boulder of suck. Those standing behind you assume that since more space is appearing ahead of them, the whole crowd is moving forward, so they follow suit. If something is blocking the people right at the front -- a turnstile, a slow barista, an escaped sewer alligator terrorizing the subway -- people are going to start involuntarily cramming into whoever's trapped at the front just to avoid being so uncomfortably close to the fat guy behind them. And because of the fuckton of people everywhere, there's no way for those at the back to know what they're doing.
Not that they'd avert their eyes from their iPhones to try.
It's this lack of visibility that's also responsible for the mega-version of crowd cramping: stampedes. When we hear about stampedes, we tend to think of greed, mass panic, angry sports fans or some sort of temporary group insanity. We call a stampede death a "trampling," as if crowds are like herds of wildebeest, willing to crush human bodies underfoot when a firecracker is set off near their hind quarters.
In reality, stampedes have been triggered by things as simple as reaching down to pick up a lost shoe.
Meanwhile, the oblivious people at the back are still pushing forward, and those caught in this tragic man-pile are physically unable to do anything but crush those in front of them. Which is too bad, because it takes the weight of only five people pushing like this to cause deadly asphyxiation. So if you ever find yourself in a situation like this, it doesn't matter how cheap the TV sets are at Best Buy today. Get the fuck out.
Always know the locations of your emergency exits. And always carry a flare gun for crowd dispersal.
#4. Road Rage
It doesn't take much to get most of us enraged when we're driving a car. People cutting us off, people not using their blinkers, people using their blinkers too much, people driving annoyingly blue-colored cars. When someone cuts us off when we're on foot, we might feel slightly annoyed, but we don't usually have the same urge to yell, swear and honk a horn at them. Not unless there's some major problems in other parts in our life, or we're a clown.
Not all drivers are equally aggressive, though. Some of us just take a few deep, calming breaths when a guy drives all the way past the line of waiting cars in an exit lane, and then cuts in right at the front. Others actually get out of their cars and break his windshield with a crowbar. Why this extra rage?
What The Hell Is Going On Here?
First, a question: What do you think is the best predictor of whether someone is prone to road rage and aggressive driving? Whether he's driving a beat-up pickup or a lavender Prius? The presence or absence of prison tattoos? The presence or absence of a crowbar holster on the back of the passenger seat? No. It's the number of bumper stickers on his car. Even one sticker or decal is enough to raise the likelihood of the driver having to be physically restrained by loved ones after somebody doesn't let him in to the lane in time.
Not pictured: The "coexist" bumper stickers on both cars.
How does this work? Well, consider the hypothetical person who gets into your personal space on the street. Unless he's a total dick, chances are he will make up for it in some way. If he doesn't actually say "sorry," he'll usually display some sort of unconscious, apologetic body language. Most of the time, this is all that's needed to defuse the bumping-into situation. Machines, on the other hand, are incapable of this kind of polite signal, which is probably why you're more likely to yell at your computer when it freezes up than you are to yell at your servant when he drops your caviar.
No best-selling author's day is complete without a big bowl of jeweled caviar.
When driving a car, we humans consider our vehicles a part of our territorial space. So when someone cuts us off, or behaves discourteously, we instinctively react as if someone had run into us on the street and then ignored us completely.
So what's with the rage-causing stickers? Scientists have theorized that the act of marking a car means that the driver has a greater sense of this territoriality -- in other words, he identifies the car more as an extension of himself. Which is why they feel the need to mark it with a sign of his personality. Researchers have found that it makes no difference whether a bumper sticker says "Visualize World Peace" or "Guns Don't Kill People, I Do." To sticker-users, any vehicle-based rudeness means you've basically done the road equivalent of cutting in front of them in line and then flipping them the bird two inches from their nose.
Add in an exhaust fart to the face if you really want to piss them off.


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Is the EPA unhinged?
November 22, 2010 - LM Editorial
While most shippers want to strip the complexity out of the supply chain, government regulators are adding on layers of new rules for the nation's two biggest seaports.
That's the contention held by the Pacific Merchant Shipping Association, which says that enough is enough when it comes to adding to the "alphabet soup" of agencies charged with oversight.
This new process is called an HIA, or Health Impact Assessment. Earlier this year the EPA (U.S. Environmental Protection Agency) began a process to potentially add this new acronym to the list.
According to shippers, the consultant that EPA selected to head this process—the only entity that seems to understand what an HIA is—"has been either unwilling or unable to communicate that understanding to those of us who have asked simple and basic questions about what an HIA is, what it covers, who is responsible for preparing it, who is responsible for funding it, and who is responsible for deciding when it is finished."
Finally, shippers ask: "Why is it needed?"
Without saying that the current environmental review process is perfect, or that it can't be improved, many shippers maintain that the creation of yet another environmental evaluation process is not the answer.
Indeed, just when container volumes are returning to Los Angeles and Long Beach, any effort to stifle port development may influence vessel deployments in the coming years.
About the Author


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Guy Lafleur's Condo
Joannie Rochette's Suite
Fashionable Suite
Studio / Loft
Fashionable King
Fashionable Queen
Standard Queen
Standard 2 beds
Regular Room
Offered with all our rooms and suites
• High Speed Internet.
• Newspaper.
• Parking.
• Bicycle and Equipment.
• Use of the Internet café.
• Bed, With Continental Quilt.
• Fridge And Microwave.
• Television 37" Plasma.
• Wireless High Speed Internet
• Large work desk.
• Laptop on Request.
All You Can Eat Healthy Breakfast!
Admission to the Gilles Villeneuve Museum.
Coffee, expresso, hot chocolate, tea, beverages... around the clock!
Fashionable King
• Convertible sofa.
• Reading area.
• Kitchenette.
• In room safe.
• Wood Floor.
• Fashionable "Zen" Style.
• Large Work Desk "Jack Pack"
Multi Connection.
• Hand-Held "Rain Shower Heads".
Fashionable Queen
• 1 Queen bed and 1 Double bed.
• Living room.
• Kitchenette.
• In room safe.
• Fashionable "Zen" Style.
• Large Work Desk "Jack Pack"
Multi Connection.
• Hand-Held "Rain Shower Heads".
Standard Queen
• 1 Queen bed.
• Large Work Desk "Jack Pack"
Multi Connection.
• Divan sofa bed.
• Wooden floors in certain rooms.
• Ergonomic chair.
Standard 2 beds
• 1 double bed and 1 Queen bed.
• Wood Floor in some rooms.
• Work table.
• Great for families.
• Ideal for two persons - two beds.
Regular Room
• 1 Queen bed.
• Wood Floor
• Adapted for persons with
reduced mobility.
• Large Work Desk "Jack Pack"
Multi Connection with ergonomic
• Large bathroom.
Price for reduced mobility room is for single or double occupancy.
Additional room for accompanying person (a 20% discount will apply for single occupancy).
Guy Lafleur's
• Kitchen, bedroom, living room,
dining room.
• Double hot tub.
• Wooden and ceramic floors.
• Ideal for long stays.
• Connecting to a standard
queen room.
• Two televisions, DVD, "jack pack"
multi connection.
This condo was designed by hockey Hall of Fame player Guy Lafleur, and he stayed here while he was owner of a Mikes franchise in Berthierville. Still today, you can enjoy photos, trophees and memorabilia from this hockey legend.
Joannie Rochette's Suite
• Design and color by
Joannie Rochette.
• Very modern style.
• Double hot tub.
• Hypo-Allergic cork floor.
• Meridien Sofa.
• Television 42 inches.
• Work Desk "Jack Pack"
Multi Connection.
• Ideal for a romantic moment.
The desigh of this suite, choice of colors and furniture was made by Olympic medalist Joannie Rochette with the help of her mother.
Days Inn Berthierville let Joannie Rochette design her own suite before the 2010 Winter Olympics in Vancouver. The suite was inaugurated shortly after her return from the Games, with Joannie proudly holding her bronze medal in her hands.
Fashionable Suite
• Murphy Queen bed.
• Bathroom with shower.
• Hot tub in the room.
• Wood floor.
• Television 42 inches.
• Large Work Desk "Jack Pack"
Multi Connection.
Studio / Loft
• Very large room with Queen bed.
• Large Work Desk "Jack Pack"
Multi Connection.
• Television with giant screen.
• Wood floor.
• Large bathroom.
760, Gadoury Street, Berthierville (Québec) J0K 1A0 • Telephone: 450 836-1621
Free of charge: 1 888 formule1 • Fax: 450 836-1578 • Email:
All rights reserved © Days Inn Berthierville 2009-2016


text:
Say If I'm running to north at a very high speed. And as I'm running, I'm shooting a beam of light toward west, will the light go completely west, or it will have some degree toward north too?
First, for clarity your scenario doesn't involve "forces", as the term is used in physics.
But to answer your question, from the perspective of someone standing still, they will see the light move in some direction between North and West (That is, they will see the light moving somewhat towards the north, depending on how fast the runner was running).
From the perspective of the runner, he will see the light move directly towards the West.


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It might be dumb question, but I want to experience Linux standalone and want to replace my windows 7 with it. My question is: Will I have to wipe my whole data If I install Linux on my notebook replacing windows?
You can easily make your system dual-boot. This means that on booting your machine, you can select to use either Windows 7 or the Linux-distribution you want to install. If you are going to do this for the first time, you might want to consider Ubuntu, as this is really convenient to install, while keeping your Windows installation intact.
Always make a back-up of your data in Windows on a safe place before you start installing new operating systems. You will always regret you didn't do this when you need it.
No need to Wipe disk, Linux have powerful boot-loader i.e Grub, it will keep NTLDR boot loader , then you can boot from linux as well as windows. but take backup of important files before installation. You can refer this page for Dual Boot Your Pre-Installed Windows 7 Computer with Ubuntu
Note :- if you are using Dynamic Disk then You need to reinstall with a Basic Disk
I would also suggest to install virtual box rather than dual boot. Reasons: 1. No limit to experiment. 2. No risk of deletion of Windows Data. 3. Install as many distros as you want.
Also virtual box is free and open source... Try and you won't regret it. Dual boot is an old option. I don't see a reason to use it now when the option of Virtual box is there..
Since you say you have a dynamic disk, and you can't dual-boot, you can just backup your data and then wipe your disk for installing Linux.
You might also want to leave some space for a Windows install in case you want to reinstall. (If I remember correctly, Windows can only be installed in a primary partition).
Most Linux Distros now offer a live CD/DVD capability so you can try it out before you install it. This wikipedia article has a pretty complete list of all the Distro's available to you that can run live. There is also livecdlist that contains a pretty comprehensive list of live distros.
This ubuntu.com community page shows an example of their LiveCD version.


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Lonely Artemis Child - 01-13-2011, 07:32 PM
I got the idea from this roleplay thing I do. My character is Isabella, one of the only children of Artemis. I've written a few chapters, but please give me some CC of the prologue and I will post some more.
I am not the best writer, but I love to do it anyways. (:
Lonely Artemis Child- Prologue
Imagine living your whole entire life living with a secret that could possibly kill you. You don't know who one of your parents are. Every day, you want to know. Finally, a near death situation makes you know how powerful one of your parents are.
How can one parent be super powerful? Isn't that fiction?
Well, in my world, it's not fiction. It's reality. Okay, not like Jersey Shore. But still. People my kind have to face this every day not knowing you could die or a dangerous quest could come your way.
You're probably thinking, So you're not human?. I laugh at that. Well, I am human, but half of my blood is different. The other half of my DNA, my blood, belongs to someone else.
I am a demigod. I am a lonely child of Artemis. So that means, I am related to the Greek Gods. I go to Camp Half Blood, a safe haven for all demigods, like me. We train and train to face the world all around us, and monsters. It is sometimes scary, and most of the time fun.
People tell me I'm special, but I sure don't think so.
Joey Thunder is perrffff ♥
"I'm not angel, I'm just me, but I will love you endlessley." [endlessly, the cab]
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