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• Removing existing filtered pages from Google's index: noindex / 301 / canonical to non-filtered page?

  - by Noam

  I've decided to remove some of my site's pages from the Google index to focus more of the indexed pages on higher quality pages. The pages I'm going to remove are already in the index. These removed pages are filtered pages which will continue to exist, I just don't want them in the google index because they add little quality to the same page without any filter selected. I've added in webmaster tools specification of narrow for the parameters that set these filters, but it doesn't seem this changes anything in how he handles these pages. So I'm considering three options: Adding <meta name="robots" content="noindex" /> to the html header of these filtered pages 301 to the non-filtered page that contains the most similar information and will remain in the index Canonical tag. Which I'm not sure is exactly the mainstream use case, as these aren't really the same pages. Which should I use?

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• Have you ever used a non mainstream language in a project? Why?

  - by EpsilonVector

  I was thinking about my academic experience with Smalltalk (well, Squeak) a while ago and whether I would like to use it for something, and it got me thinking: sure, it's as good and capable as any popular language, and it has some nice ideas, but there are certain languages that are already well entrenched in certain niches of programming (C is for systems programming, Java is for portability, and so on...), and Smalltalk and co. don't seem to have any obvious differentiating features to make them the right choice under certain circumstances, or at least not as far as I can tell, and when you add to it the fact that it's harder to find programmers who know it it adds all sorts of other problems for the organization itself. So if you ever worked on a project where a non-mainstream language (like Smalltalk) was used over a more mainstream one, what was the reason for it? To clarify: I'd like to focus this on imperative languages, since other paradigms like functional and logic programming language, while not necessarily mainstream, can still be good choices for certain projects for obvious reasons.

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• What are some recommended video lectures for a non-CS student to prepare for the GRE CS subject test?

  - by aristos

  Well the title kinda explains all there is to explain. I'm a non-cs student and was preparing to apply PhD programs in applied mathematics. But for my senior thesis I've been reading lots of machine learning and pattern recognition literature and enjoying it a lot. I've taken lots of courses with statistics and stochastics content, which I think, would help me if I get accepted to a program with ML focus, but there are only two CS courses -introduction to programming- in my transcript and therefore I decided to take the CS subject test to increase my chances. Which courses do you think would be most essential to have a good result from CS subject test? I'm thinking of watching video lectures of them, so do you have any recommendations?

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• Why is Google PageRank not showing after redirecting www to non www?

  - by muhammad usman

  I have a fashion website. I had redirected my domain http:// (non-www) to http://www domain and my preferred domain in Google Webmaster Tools was http://www. Now I have redirected http://www to http:// domain and have changed my prefered domain as well. Now Google PageRank is not showing for even a single page. Would any body please help me and let me know if I have done something wrong? Below is my .htaccess redirect code: RewriteBase / RewriteRule ^index\.php$ - [L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.php [L] RewriteCond %{HTTP_HOST} ^www\.deemasfashion\.com$ RewriteRule ^deemasfashion\.com/?(.*)$ http://deemasfashion.com/$1 [R=301,L] RewriteCond %{THE_REQUEST} ^[A-Z]{3,9}\ /index\.html\ HTTP/ RewriteRule ^index\.html$ http://deemasfashion.com/ [R=301,L] RewriteRule ^index\.htm$ http://deemasfashion.com/ [R=301,L]

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• Reasonable size for "filesystem reserved blocks" for non-OS disks?

  - by j-g-faustus

  When creating a file system ( mkfs ...) the file system reserves 5% of the space for its own use because, according to man tune2fs: Reserving some number of filesystem blocks for use by privileged processes is done to avoid filesystem fragmentation, and to allow system daemons, such as syslogd(8), to continue to function correctly after non-privileged processes are prevented from writing to the filesystem. But with large drives 5% is quite a lot of space. I have 4x1.5 TB drives for data storage (the OS runs on a separate disk), so the default setting would reserve 300 GB, which is an order of magnitude more than the the entire OS drive. The reserved space can be tweaked, but what is a reasonable size for a data disk? Can I set it to zero, or could that lead to issues with fragmentation?

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• Google page rank not showing after redirecting www to non www?

  - by muhammad usman

  i have a fashion website. i had redirected my domain htttp:// (non www) to http:// www domain and my preferred domain in Google webmaster tools was http:// www. Now i have redirected http:// www to http:// domain and have changed my prefered domain as well. Now Google PageRank is not showing for even a single page. Would any body please help me and let me know if i have done something wrong? below is my htaccess redirect code RewriteBase / RewriteRule ^index\.php$ - [L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.php [L] RewriteCond %{HTTP_HOST} ^www\.deemasfashion\.com$ RewriteRule ^deemasfashion\.com/?(.*)$ http://deemasfashion.com/$1 [R=301,L] RewriteCond %{THE_REQUEST} ^[A-Z]{3,9}\ /index\.html\ HTTP/ RewriteRule ^index\.html$ http://deemasfashion.com/ [R=301,L] RewriteRule ^index\.htm$ http://deemasfashion.com/ [R=301,L]

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• Design Pattern Books, Papers or Resources for Non-Object Orientated Paradigms?

  - by FinnNk

  After viewing this video on InfoQ about functional design patterns I was wondering what resources are out there on design patterns for non-object orientated paradigms. There are plenty out there for the OO world (GOF, etc, etc) and for architecture (EoEAA, etc, etc) but I'm not aware of what's out there for functional, logic, or other programming paradigms. Is there anything? A comment during the video suggests possibly not - does anyone know better? (By the way, by design patterns I don't mean language features or data structures but higher level approaches to designing an application - as discussed in the linked video)

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• How to remove non-working session entries in LightDM?

  - by Lexalt

  I recently added Cairo Dock to my GNOME Shell in 11.10. Cairo Dock is GREAT, but I'm left with one little problem that I'd like to fix: after installing Cairo Dock, LightDM includes two extraneous entries to non-working desktops. (The entries to working desktops remain unaffected, so I guess I could just ignore the extraneous entries, but...) So I'd like to remove/edit the extraneous entries in LightDM. I've looked and looked for discussions on how to do so, but haven't had much luck. Any suggestions on how to go about editing the login menu in 11.10?

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• How much time to wait to upgrade to a non LTS release?

  - by Jhonnytunes

  For LTS upgrades the recomendation is wait 3 months or first point release to is where the major bugs are fixed and the release is "stable" for production. What is the recommended amount of time to wait before upgrade to a non LTS release? Im just talking about the desktop version of course. Im asking because found this where say all release from 14.04 will be based on debian unstable: Cutting Edge: Starting with the 14.04 LTS development cycle, automatic full package import is performed from Debian unstable1 This is due to deploying ProposedMigration in the Ubuntu archive. From here.

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• What are the pros and cons of non-unique display names?

  - by Davy8

  I know of at least big title game (Starcraft II) that doesn't require unique display names, so it would seem like it can work in at least some circumstance. Under what situations does allowing non-unique display names work well? When does it not work well? Does it come down to whether or not impersonation of someone else is a problem? The reasons I believe it works for Starcraft II is that there isn't any kind of in-game trading of virtual goods and other than "for kicks" there isn't much incentive to impersonate someone else in the game. There's also ladder rankings so even trying to impersonate a pro is easily detectable unless you're on a similar skill level. What are some other cases where it makes sense to specifically allow or disallow duplicate display names?

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• jQuery va se mettre au régime ! Suppression des méthodes obsolètes et passage en plug-in de celles non utilisées dans le corps

  jQuery va se mettre au régime ! Suppression des méthodes obsolètes et passage en plug-in des méthodes non utilisées dans le corps Pour fêter ses 5 ans, l'équipe de développement de jQuery va le faire maigrir en supprimant les méthodes obsolètes et en transformant en plugins les méthodes utiles qui ne sont pas utilisées dans le corps de jQuery. Bien entendu, ces modifications seront progressives, on passera par l'étape de la dépréciation avant la suppression. Évolution du "poids" des versions jQuery Déprécier quoi ? Une méthode qui ne reflète plus les pratiqu...

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• How do I change the keyboard layout to a non-standard one on a Live (USB) session?

  - by Agmenor

  I am running Ubuntu 13.04 in a Live (USB) session. My physical keyboard layout is called Bépo, it is the French language Dvorak method-based layout. I would like to change my input layout to this too. To do this, I tried booting in a French spoken session, then open the Keyboard Layout preferences app. Normally, to add a layout, you should click on the + sign and select your layout. However the list that appears is very short and does not contain what I want. On the contrary, on a persistent non-live installation, the choice of Bépo is present. This is also the case during an installation of Ubuntu. So I do I change the keyboard layout of my live session to the correct one?

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• How do non-coders do simple local templating to avoid redundant HTML? [closed]

  - by Max Cantor

  I'm a web developer. When I start designing a site, I use a framework to handle templating for me, even if it's just rack + erubis. What do non-developers do? If you want to implement a site in HTML and CSS without a framework running on a webserver, without frames, and without WYSYWIG tools like Dreamweaver... how do you avoid copy-and-pasting the HTML of your navigation (for example) on every single page you're writing? I feel stupid asking this because it seems like their must be an obvious answer, but for the life of me, I can't think of one right now.

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• Ubuntu One Music - 'Unable to Parse '2006-12-12T08:00:00Z' as integer (iTunes Non-DRM AAC)

  - by Scott

  Good Morning; Title says most of it, uploaded a new song to my U1 Music (via my Android using the Files app). Which is an recently purchased iTunes .m4a song, so is non-DRM AAC. Uploaded fine, and browsing in U1 Music I see artist "Spray" fine, and then the Album, but attempting to open the Album to the song, returns: "'Unable to Parse '2006-12-12T08:00:00Z' as integer" Not sure if it's a problem with the file itself, or just how Android uploaded the file, as that is clearly a weird date code. All my other music is fine, no errors, and the service works awesome. My U1 account is under the e-mail address used for this question. Thanks!

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• What is the correct way to implement hit detection with non-rectangular sprites?

  - by hogni89

  What is the correct way to implement hit or touch detection for non-rectangular sprites in Cocos2d? I am working on a jigsaw puzzle, so our sprites have some strange forms (jigsaw puzzle bricks). As of now, we have implemented the "detection" this way: - (void)selectSpriteForTouch:(CGPoint)touchLocation { CCSprite * newSprite = nil; // Loop array of sprites for (CCSprite *sprite in movableSprites) { // Check if sprite is hit. // TODO: Swap if with something better. if (CGRectContainsPoint(sprite.boundingBox, touchLocation)) { newSprite = sprite; break; } } if (newSprite != selSprite) { // Move along, nothing to see here // Not the problem } } - (BOOL)ccTouchBegan:(UITouch *)touch withEvent:(UIEvent *)event { CGPoint touchLocation = [self convertTouchToNodeSpace:touch]; [self selectSpriteForTouch:touchLocation]; return TRUE; } I know that the problem is in the keyword "sprite.boundingBox". Is there a better way of implementing this, or is it a limitation when using sprites based on .png's? If so, how should I proceed?

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• Build automation: Is it usual to use QMake for non-Qt projects?

  - by Raphael

  So, I'm planning to write a C++ library and I want it to be cross-platform, and as this library won't deal with UI and I want it to have as little dependencies as possible, I won't be using Qt (actually Qt won't really help me to achieve what I want, all I plan on using is STL and Boost). Now when it comes to build a cross-platform project, I really like QMake as it's extremely easy to use and I have experience with it. I also heard good things about CMake, though I really doubt it's as easy to use as QMake. Anyway, here is my question: Should I stick with build automation tool that I know or is QMake just out of context for a non-Qt project? Should I take this as an opportunity to learn CMake? Or is there a better alternative to these two?

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• Microsoft Office sur iOS et Android : en 2013 ? Oui, non... peut-être

  Microsoft Office pour iPhone et Android Oui, non... peut-être Soyons prudent. Rien n'est encore très clair avec le « Buzz IT » du jour : Microsoft Office débarquerait sur iOS (iPhone, iPad, iPod) et Android dès 2013. L'information vient du site américain The Verge qui tiendrait lui-même le « scoop » de sources internes à Microsoft. D'après ses sources, rien de bien révolutionnaires cependant. Microsoft Office serait disponible sous la forme d'une application gratuite (histoire de ne pas financer des concurrents ?) qui ne permettra que la lecture des fichiers Word, PowerPoint, et Excel. Toujours d'après le site, l'édition des documents ne sera possible qu'avec un compte Offi...

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• Skype est-il assez sécurisé ? Privacy International affirme que non

  Skype est-il assez sécurisé ? Privacy International affirme que non Le puissant groupe Privacy International s'est penché sur les paramètres de sécurisation de Skype, et les juge insuffisants. Le service de VoIP ne protégerait pas assez ses utilisateurs, notamment en affichant leur nom complet dans les listes de contact, avance le groupe. Autre reproche fait au logiciel : il serait facile pour les pirates de lui substituer leur propre version, mais infectée d'un Trojan celle-ci, du fait de l'absence de la protection HTTPS sur la page de téléchargement officielle. Privacy International met également en garde contre le VBR, le codec utilisé pour la compression des flux audios. Ce dernier permettrait à 50%, voire 90% de...

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• How do i allow non-root access to /ttyUSB0 on 12.04?

  - by yurividal

  Since i updated from 10.04 to 12.04, i am unable to acces the device connected in /ttyUSB0 if i dont have root access. To be more specific, i use a usb-to-serial com port converter to acces and configure Cisco equipment with a software called Putty. It happens that, since i upgraded to 12.04, Putty only sees the connected device when i run it as "gksudo putty". If not, it says "unable to connect to port /ttyUSB0". I have managed to change the permissions via chmod 666, and it works, but if i disconnect the usb and reconnect, it goes back to root only. How do i permanently allow non-root access? I have a clue it might be via udev rules, but i have NO IDEIA how to do it. obs. Manufacturer and drivers "PROLIFIC"

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• NFC App Inventor permet aux non-développeurs d'intégrer NFC dans une application Android, la démonstration de la bêta annoncée

  NFC App Inventor permet à tout utilisateur d'intégrer NFC dans une application Android la démonstration de la bêta annoncée Une démonstration d'une nouveauté issue d'App Inventor pour la prise en charge du NFC sera effectuée ces jours. App Inventor est un kit académique de développement d'application Android pour les non-développeurs. Le projet avait été développé à la base par le MIT, puis cédé par la suite à Google. Le projet avait ensuite fait les frais de la politique de Google ayant entrainé l'abandon de plusieurs autres projets et était retourné entre les mains du MIT en début 2012. ...

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• Function pointer demo

  - by AKN

  Hi, Check the below code void functionptrdemo() { typedef int *(funcPtr) (int,int); funcPtr ptr; ptr = add; //IS THIS CORRECT? (*ptr)(2,3); } In the place where I try to assign a function to function ptr with same function signature, it shows a compilation error as error C2659: '=' : function as left operand

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• g++ linker error--typeinfo, but not vtable

  - by James

  I know the standard answer for a linker error about missing typeinfo usually also involves vtable and some virtual function that I forgot to actually define. I'm fairly certain that's not the situation this time. Here's the error: UI.o: In function boost::shared_ptr<Graphics::Widgets::WidgetSet>::shared_ptr<Graphics::Resource::GroupByState>(boost::shared_ptr<Graphics::Resource::GroupByState> const&, boost::detail::dynamic_cast_tag)': UI.cpp:(.text._ZN5boost10shared_ptrIN8Graphics7Widgets9WidgetSetEEC1INS1_8Resource12GroupByStateEEERKNS0_IT_EENS_6detail16dynamic_cast_tagE[boost::shared_ptr<Graphics::Widgets::WidgetSet>::shared_ptr<Graphics::Resource::GroupByState>(boost::shared_ptr<Graphics::Resource::GroupByState> const&, boost::detail::dynamic_cast_tag)]+0x30): undefined reference totypeinfo for Graphics::Widgets::WidgetSet' Running c++filt on the obnoxious mangled name shows that it actually is looking at .boost::shared_ptr::shared_ptr(boost::shared_ptr const&, boost::detail::dynamic_cast_tag) The inheritance hierarchy looks something like class AbstractGroup { typedef boost::shared_ptr<AbstractGroup> Ptr; ... }; class WidgetSet : public AbstractGroup { typedef boost::shared_ptr<WidgetSet> Ptr; ... }; class GroupByState : public AbstractGroup { ... }; Then there's this: class UI : public GroupByState { ... void LoadWidgets( GroupByState::Ptr resource ); }; Then the original implementation: void UI::LoadWidgets( GroupByState::Ptr resource ) { WidgetSet::Ptr tmp( boost::dynamic_pointer_cast< WidgetSet >(resource) ); if( tmp ) { ... } } Stupid error on my part (trying to cast to a sibling class with a shared parent), even if the error is kind of cryptic. Changing to this: void UI::LoadWidgets( AbstractGroup::Ptr resource ) { WidgetSet::Ptr tmp( boost::dynamic_pointer_cast< WidgetSet >(resource) ); if( tmp ) { ... } } (which I'm fairly sure is what I actually meant to be doing) left me with a very similar error: UI.o: In function boost::shared_ptr<Graphics::Widgets::WidgetSet>::shared_ptr<Graphics::_Drawer::Group>(boost::shared_ptr<Graphics::_Drawer::Group> const&, boost::detail::dynamic_cast_tag)': UI.cpp:(.text._ZN5boost10shared_ptrIN8Graphics7Widgets9WidgetSetEEC1INS1_7_Drawer5GroupEEERKNS0_IT_EENS_6detail16dynamic_cast_tagE[boost::shared_ptr<Graphics::Widgets::WidgetSet>::shared_ptr<Graphics::_Drawer::Group>(boost::shared_ptr<Graphics::_Drawer::Group> const&, boost::detail::dynamic_cast_tag)]+0x30): undefined reference totypeinfo for Graphics::Widgets::WidgetSet' collect2: ld returned 1 exit status dynamic_cast_tag is just an empty struct in boost/shared_ptr.hpp. It's just a guess that boost might have anything at all to do with the error. Passing in a WidgetSet::Ptr totally eliminates the need for a cast, and it builds fine (which is why I think there's more going on than the standard answer for this question). Obviously, I'm trimming away a lot of details that might be important. My next step is to cut it down to the smallest example that fails to build, but I figured I'd try the lazy way out and take a stab on here first. TIA!

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• How can I make fsck run non-interactively at boot time?

  - by Nelson

  I have a headless Ubuntu 12.04 server in a datacenter 1500 miles away. Twice now on reboot the system decided it had to fsck. Unfortunately Ubuntu ran fsck in interactive mode, so I had to ask someone at my datacenter to go over, plug in a console, and press the Y key. How do I set it up so that fsck runs in non-interactive mode at boot time with the -y or -p (aka -a) flag? If I understand Ubuntu's boot process correctly, init invokes mountall which in turn invokes fsck. However I don't see any way to configure how fsck is invoked. Is this possible? (To head off one suggestion; I'm aware I can use tune2fs -i 0 -c 0 to prevent periodic fscks. That may help a little but I need the system to try to come back up even if it had a real reason to fsck, say after a power failure.) In response to followup questions, here's the pertinent details of my /etc/fstab. I don't believe I've edited this at all from what Ubuntu put there. UUID=3515461e-d425-4525-a07d-da986d2d7e04 / ext4 errors=remount-ro 0 1 UUID=90908358-b147-42e2-8235-38c8119f15a6 /boot ext4 defaults 0 2 UUID=01f67147-9117-4229-9b98-e97fa526bfc0 none swap sw 0 0

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• How to balance a non-symmetric "extension" based game?

  - by Klaim

  Most strategy games have fixed units and possible behaviours. However, think of a game like Magic The Gathering : each card is a set of rules. Regularly, new sets of card types are created. I remember that the firsts editions of the game have been said to be prohibited in official tournaments because the cards were often too powerful. Later extensions of the game provided more subtle effects/rules in cards and they managed to balance the game apparently effectively, even if there is thousands of different cards possible. I'm working on a strategy game that is a bit in the same position : every units are provided by extensions and the game is thought to be extended for some years, at least. The effects variety of the units are very large even with some basic design limitations set to be sure it's manageable. Each player choose a set of units to play with (defining their global strategy) before playing (like chooseing a themed deck of Magic cards). As it's a strategy game (you can think of Magic as a strategy game too in some POV), it's essentially skirmish based so the game have to be fair, even if the players don't choose the same units before starting to play. So, how do you proceed to balance this type of non-symmetric (strategy) game when you know it will always be extended? For the moment, I'm trying to apply those rules but I'm not sure it's right because I don't have enough design experience to know : each unit would provide one unique effect; each unit should have an opposite unit that have an opposite effect that would cancel each others; some limitations based on the gameplay; try to get a lot of beta tests before each extension release? Looks like I'm in the most complex case?

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• Se non ti sei unito alla Customer Experience Revolution? Il materiale è tutto qui!

  - by Silvia Valgoi

  Se ti sei perso questo interesante Executive workshop, non preoccuparti, qui puoi trovare gli interventi dei relatori.Durante l'evento Oracle, Accenture ed il professor Enrico Finzi hanno condiviso l'approccio alla Customer Experience vista come strategia per dare vita a processi più completi ed innovativi, per generare e gestire l’interazione con i consumatori, su tutti i canali. E' stato un momento importante per: comprendere perché la Customer Experience è diventata la componente più importante e strategica del tuo business scoprire come la Customer Experience accelleri l’acquisizione di nuovi clienti, incrementi la fidelizzazione ad un brand/prodotto/servizio, migliori l’efficienza operativa e sostenga le vendite conoscere come le soluzioni di Customer Experience possono aiutare le aziende a far vivere questa esperienza in modo coerente, personalizzata, attraverso tutti i canali e su tutti i dispositivi, ottenendo risultati misurabile Ecco le presentazioni e i video presentati durante i lavori: &amp;lt;p&amp;gt; &amp;lt;/p&amp;gt; Oracle Customer Experience - Empowering People. Powering Brands - Armando Janigro, Sales Development Manager, Oracle         How to win with Customer Experience - Nadia Dallafiore, Senior Manager CRM Retail  Accenture   Customer Experience e selezione Darwiniana della marca - Enrico Finzi, Sociologo, Presidente AstraRicerche   Engage.Win.Develop.Keep LinkedIn: Customer Concepts Exchange Facebook: Oracle Customer Experience

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