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• Why do the GNOME symbolic icons appear darker in a running application?

  - by David Planella

  I'm creating an application that uses symbolic icons from the default theme. However, there are a few icons that I need that cannot be represented by those from the default theme, so I'm creating my own ones. What I did was to simply go to /usr/share/icons/gnome/scalable/actions/, copied a few locally into my app's source tree that could serve as a basis, and started editing them. So far so good. But I've noticed the following: all symbolic icons are of a light grey color when looking at the original .svg file, but when they are put onto a widget, they become darker. Here's an example, using the /usr/share/icons/gnome/scalable/actions/view-refresh-symbolic.svg icon from the default theme: Here's what it looks like when opening the original with Inkscape: And here's what it looks like on a toolbar on a running application: Notice the icon being much darker at runtime. That happens both with the Ambiance and Radiance themes. I wouldn't mind much, but I noticed it affects my custom icon, whereby parts of it become darker (the inner fill), whereas parts of it remain the same color as the original (the stroke). So what causes the default symbolic icons to darken and how should implement that for my custom icons?

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• Scripting language for filling out web form

  - by ityler22

  I have a job as an intern at a technology company, I was given the unfortunate job of performing some data entry into our web management system. The information entered into the web form is stored in a MySQL DB. Upon receiving the data I realized I would have to submit this online form about 1000 different times all consisting of about 10 different text fields / check boxes per form. (So in other words, would be completely mind numbing and be a ridiculous waste of time and resources, or so I thought...) Having used databases a good bit prior to this, my immediate reaction was to just write a short MySQL script to bulk import all of the data, especially since it was already presented to me in an excel spreadsheet ready to go. Thought it may have been some sort of a test since it seemed too obvious. I wrote the script which consisted of about 10 lines of code but was then informed I couldn't be trusted with MySQL Admin privileges to run said script. So my next thought would be to write a script to just enter the information through the web form (Which will take ten times longer but it's what I have to) Being unfamiliar with scripting of this nature (seems like I would need something similar to a bot, but the good kind) I was unsure of how to proceed to do this. Is there a preferred language to use to enter the data i have into the web form I do have access to? I'm not particularly looking for this to be done for me by any means just a nice point in the right direction as far as what scripting language to use and how to pair that with the data I have that needs to be entered. Thanks for the help/ valuable input! EDIT: Is there a way to perform this using perl without having access to place any files on the server? Would I be able to run some Javascript loops to pull the data out of .csv or just a .txt format with line delimiters and insert it into the web form?

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• How to access a fake raid?

  - by maaartinus

  I have a fake raid, which I wanted to access using mdadm /dev/md0 -A -c 128 -l stripe --verbose /dev/sda /dev/sdc which should be right, as far as I understand the man page. But I get the message mdadm: option -l not valid in assemble mode leaving the offending option out leads to mdadm: failed to create /dev/md0 and (despite verbose) no more information. I'm assuming that -A requires some mdadm-specific header which is obviously missing. I probably need to use "build" instead of assemble, but from the description I'm really unsure whether this is a non-destructive operation. Is it? What should I exactly do? UPDATE I see I haven't made clear, that the array already exists as a fake-raid (I can't give the details about my mainboard now). It looks like doing nothing except for interleaving blocks, so I hoped it could be easily done using mdadm, too. Maybe I'm completely wrong, but all the info I've found was concerned with booting from fake-raid, what I don't really need. I'd be happy with a read access for now.

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• Software for printing small photos on larger paper with easy layout snapping

  - by ldigas

  Have some photos and pictures to print (graphs, but that doesn't matter here). So far when printing I inserted them in MS Word, played with layout on the paper, and after half a day, finally managed to get it just right. Usually then, the power runs out :-) Anyways, does anyone know of any software which enables me to easily put up some kind of a layout (one under the other, or some rectangular grid) where I can just "snap" photos next to each other, before printing the whole thing. I know I can do that in pretty much any photo editing program, but the problem is that that pixel hunting takes time ... and is generally a very annoying process, expecially when you don't want to edit the photos in mind, just print them out. Anyways, I'm sure you get the general idea ... Suggestions ?

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• BusEnum2 and a Minor Bug Fix

  - by Kate Moss' Open Space

  The default root bus driver, BusEnum, enumerate and active drivers one by one in synchronized manner. It is not only slowing the boot time but in the even if any of driver's init function (XXX_init) get hanged, the whole system won't boot at all. There is a sample of enhanced root bus driver, BusEnum2, on the http://msdn.microsoft.com/en-us/library/dd187254.aspx The page provides the sample code and the detail explanation of the design concept. With multi-threaded BusEnum2 on CE7 with SMP enabled system, the scalability is even more significant. Since you have more than one processor and it can load drivers in parallel! Everything looks good so far, except to there is a small bug in the sample code. Fortunately, it is easy to fix. But hard to trace if you ever enc outer it! The BUSENUM2 flag only defined in BUSENUM2\BUSDEF\sources but not in BUSENUM2\BUSENUM\sources. The DeviceFolder is implemented in BUSENUM2\BUSDEF but the instance is created in BUSENUM2\BUSENUM\busenum.cpp, so the result is it allocates less memory than actual need.   Add   CDEFINES=$(CDEFINES) -DBUSENUM2   into BUSENUM2\BUSENUM\sources and the problem fixed!

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• nginx rewrite rule for using domain host to redirect to specific internal directory

  - by user85836

  I'm new to Nginx rewrites and looking for help in getting a working and minimal rewrite code. We would like to use urls like 'somecity.domain.com' on campaign materials and have the result go to city-specific content within the 'www' site. So, here are use cases, if the customer enters: www.domain.com (stays) www.domain.com domain.com (goes to) www.domain.com www.domain.com/someuri (stays the same) somecity.domain.com (no uri, goes to) www.domain.com/somecity/prelaunch somecity.domain.com/landing (goes to) www.domain.com/somecity/prelaunch somecity.domain.com/anyotheruri (goes to) www.domain.com/anyotheruri Here's what I've come up with so far, and it partially works. What I can't understand is how to check if there is no path/uri after the host, and I'm guessing there is probably a way better way to do this. if ($host ~* ^(.*?)\.domain\.com) { set $city $1;} if ($city ~* www) { break; } if ($city !~* www) { rewrite ^/landing http://www.domain.com/$city/prelaunch/$args permanent; rewrite (.*) http://www.domain.com$uri$args permanent; }

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• Get 100 highest numbers from an infinite list

  - by Sachin Shanbhag

  One of my friend was asked this interview question - "There is a constant flow of numbers coming in from some infinite list of numbers out of which you need to maintain a datastructure as to return the top 100 highest numbers at any given point of time. Assume all the numbers are whole numbers only." This is simple, you need to keep a sorted list in descending order and keep a track on lowest number in that list. If new number obtained is greater than that lowest number then you have to remove that lowest number and insert the new number in sorted list as required. Then question was extended - "Can you make sure that the Order for insertion should be O(1)? Is it possible?" As far as I knew, even if you add a new number to list and sort it again using any sort algorithm, it would by best be O(logn) for quicksort (I think). So my friend told it was not possible. But he was not convinced, he asked to maintain any other data structure rather than a list. I thought of balanced Binary tree, but even there you will not get the insertion with order of 1. So the same question I have too now. Wanted to know if there is any such data structure which can do insertion in Order of 1 for above problem or it is not possible at all.

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• help building a PC that can image a dozen hard drives simultaneously

  - by Bigbio2002

  Not sure if this belongs on here or SuperUser, but here goes... I'm trying to figure out how to make a mass hard drive imaging PC out of COTS parts. A dedicated imaging device can do 10 drives at a time, but costs several thousand dollars. So far, I'm thinking to use several 3-port PCI-E Firewire cards, and use some kind of Firewire-to-IDE adapter to connect the drives themselves. The "software" would consist of scripting diskpart, or some other imaging utility. The problem is that I can't seem to find any sort of adapter. I could use standard external hard drive bays, but then I'd have a dozen power cables that I need to plug in. Ugly, messy, and inefficient. I picked Firewire over USB not only for better transfer speeds, but also because FW can deliver power over the bus (and could theoretically power a hard drive). Does anyone have any input on this?

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• Reimage several of the same model PC by copying the hard disk

  - by Tim Lehner

  I have several of the same machine (Dell Precision T3500) that originally came with Windows 7 Pro (there is a Windows 7 Pro OA product key sticker on top of each one). These were initially downgraded to XP by a former IT colleague, but are now back in the pool of unused machines. I am looking to format and install Windows 7 Pro on one of them using the latest official Win7 installer ISO with SP1 and then clone the hard drive to the other machines. The questions then, are: Does this even make sense, or is there a better way to do this considering I'm only doing it to 6 machines? Does this jive with MS licensing (we are the original purchaser of the machines, and thus, presumably, the license holder...but I'm no expert)? Is it possible to apply the individual 25-char product keys to the cloned machines after cloning? How far can I go in the config process (installing corporate standard apps and such) before I have to clone to the other machines considering the licensing/key questions?

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• Tidying up old apache logs managed by vlogger

  - by Andre Lackmann

  We're using vlogger to manage our apache logs which keeps everything nice and neat but pretty much breaks the ability to use logrotate from as far as I can see. eg. our virtual access.logs each sit within their own dir and are named similar to: /virtual.com/ 20100501-access.log 20100502-access.log 20100503-access.log 20100504-access.log etc.. Has anyone created a cleanup script to go through the /var/log/httpd/ sub dirs and remove old logs? We like using vlogger, but cleaning up olds logs after it is a pain!

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• Algorithmic problem - quickly finding all #'s where value %x is some given value

  - by Steve B.

  Problem I'm trying to solve, apologies in advance for the length: Given a large number of stored records, each with a unique (String) field S. I'd like to be able to find through an indexed query all records where Hash(S) % N == K for any arbitrary N, K (e.g. given a million strings, find all strings where HashCode(s) % 17 = 5. Is there some way of memoizing this so that we can quickly answer any question of this form without doing the % on every value? The motivation for this is a system of N distributed nodes, where each record has to be assigned to at least one node. The nodes are numbered 0 - (K-1) , and each node has to load up all of the records that match it's number: If we have 3 nodes Node 0 loads all records where Hash % 3 ==0 Node 1 loads all records where Hash % 3 ==1 Node 2 loads all records where Hash % 3 ==2 adding a 4th node, obviously all the assignments have to be recomputed - Node 0 loads all records where Hash % 4 ==0 ... etc I'd like to easily find these records through an indexed query without having to compute the mod individually. The best I've been able to come up with so far: If we take the prime factors of N (p1 * p2 * ... ) if N % M == I then p % M == I % p for all of N's prime factors e.g. 10 nodes : N % 10 == 6 then N % 2 = 0 == 6 %2 N % 5 = 1 == 6 %5 so storing an array of the "%" of N for the first "reasonable" number of primes for my data set should be helpful. For example in the above example we store the hash and the primes HASH PRIMES (array of %2, %3, %5, %7, ... ]) 16 [0 1 1 2 .. ] so looking for N%10 == 6 is equivalent to looking for all values where array[1]==1 and array[2] == 1. However, this breaks at the first prime larger than the highest number I'm storing in the factor table. Is there a better way?

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• Grapher: Edit Equations Without GUI

  - by Nathan G.

  I'm trying to edit the equation of a Grapher file without opening the Grapher UI. I've gotten as far as knowing that I need a hex editor to do this. I can't, however, find my equation in that file to change it. Does anyone know how Grapher stores this information, and how to change it? My ultimate goal is to be able to change the file through the shell so I can open it and have Grapher show me my new equation (that was set with the CL). Thanks! I will set a bounty if necessary.

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• Working with documents and SharePoint - Best practices

  - by KunaalKapoor

  Follow these simple guidelines to make collaboration using SharePoint easier:1. File Name:While it is allowed to use spaces in your filename (and maybe it seems even logical to do so), don’t use them if your file will end up (or is born on) SharePoint. When you use the “download a copy” functionality, SharePoint will replace the spaces with an “_”. This might (will) result in inconsistency when you upload the “same” file again, since SharePoint will see this as a different file (since the filename is different). I recommend using a filename with Capitalization style naming guideline. For instance: the document “Overall governance model.docx” would be named “OverallGovernanceModel.docx”Use the TITLE field in the office applications to give your document a title (and subtitle and keywords, .) The title column can be used in a view in a library. You can get to the document properties by clicking on 'Office Button/Prepare/Properties'. (Office 2007). This is metadata that is stored with the document, and will remain in the document (even if you exchange this document via e-mail, via an external hard drive). The filename cannot be longer than 128 characters. (and that is IMHO far beyond reasonable) You cannot use any of these characters: ” # % & * : < > ? \ / { | } ~ 2. Versioning:SharePoint has a built-in versioning system. You can work with major (published) versions, and minor (draft) versions. Of each of these two document types, you can store a numbers of versions that are kept. Watch out, each version is saved, not only the delta between 2 versions, and this counts to your Site Collection Quota. (Example: you have a Word document with a size of 2 MB. When you keep 5 Drafts this will result in storing (and consuming) 10 MB.So, don’t call your document “NewUserAccountProcessDRAFTv1.docx”, but “NewUserAccountProcess.docx” and use versioning setting in your library.You can enable views on your library to display the version number.You can enable the version number to be displayed in a Word document.3. Use MetadataUse metadata to assign other properties to documents, so it can be easily identified, sorted- or grouped by.

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• test if master dns has trasnfered copt to slave

  - by su55

  Hello, I setup my master and slave using freebsd. im currently running the Bind 9.X version, so far everything is working successfully. Just one small problem. I cant get the master copy of my dns to transfer it to the slave server. i included transfer-allow {192.168.1.111;}; // this is the slave servers ip i ran the rndc reload command to check but i dont see the copy in the /etc/named/master/? Any help would be necessary and if you like the layout of my dns, I can provide that too.

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• CentOS VM, NTP synchronization problems

  - by Spirit

  We have three CentOS 5.9 VMs on an ESX3.5 host. Because of the nature of the services we provide it is required that the NTP time is synchronized and the time is correct on all three of them. However one of them constantly drifts back each day for about 66 sec. So far none of us seems to understand as why is this happening. We included the possibility that the VM may be somehow pulling the time from the host, however all of the three VMs have identical configuration settings and they did not have VMware tools installed. Although I realize that this is probably a question of an internal matter and not to ask for on a forum, I would appreciate if anyone of you knows some CentOS NTP diagnostic routines that will help me to diagnose the problem and find a reliable solution. I thank you for the assistance.

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• Rotation and translation like in GTA 1 OpenGL

  - by user1876377

  Okay, so I have a figure in XZ plain. I want to move it forward/backward and rotate at it's own Y axis, then move forward again in the rotation's direction, like the character in GTA 1. Code so far: Init: spaceship_position = glm::vec3(0,0,0); spaceship_rotation = glm::vec3(0,0,0); spaceship_scale = glm::vec3(1, 1, 1); Draw: glm::mat4 transform = glm::scale<float>(spaceship_scale) * glm::rotate<float>(spaceship_rotation.x, 1, 0, 0) * glm::rotate<float>(spaceship_rotation.y, 0, 1, 0) * glm::rotate<float>(spaceship_rotation.z, 0, 0, 1) * glm::translate<float>(spaceship_position); drawMesh(spaceship, texture, transform); Update: switch (key.keysym.sym) { case SDLK_UP: spaceship_position.z += 0.1; break; case SDLK_DOWN: spaceship_position.z -= 0.1; break; case SDLK_LEFT: spaceship_rotation.y += 1; break; case SDLK_RIGHT: spaceship_rotation.y -= 1; break; } So this only moves on the Z axis, but how can I move the object on both Z and X axis where the object is facing?

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• How can I prevent Ask.com Toolbar from being installed every time Java is updated?

  - by abstrask

  As many are painfully aware of, Oracle continues to not only bundle the Java installation with the useless Internet browser toolbar from Ask.com, but also enable its installation by default. In addition to the toolbar, Ask also replaces your favourite search engine in your browser with Ask. Furthermore, the Java installation goes as far as to actually recommend installing this useless junk, meaning that any non IT-savvy person is more than likely to leave it checked and install it (after all, it was enabled by default and the friendly Java installer did recommend it, right?). To add insult to injury, even if you remove the Ask Toolbar, you can be sure to see it again soon, when the next Java update hits you (which seem to happen quite often lately, due to loads of security fixes for Java, but that's another story). I'll duly remove the check-mark to install Ask Toolbar, whenever I update Java, but when supporting my family and friends, it's obvious they don't. How can I prevent the pesky Ask.com Toolbar from being installed in the first place?

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• How to fix audio/game stuttering in Google Chrome's Flash plug-in?

  - by Simon Belmont

  I'm having an issue. Windows XP, running the latest Chrome 23 build. I'm using Flash 11.5 built into Chrome (Pepper Flash). It runs horribly. Chrome 22 did not have this issue as far as I recall. What a shame. YouTube videos stutter badly and after a while, they begin to lag and lose sync with the video. I disabled Pepper Flash and tested HTML5 video in YouTube and it was smooth as glass. Additionally, certain Flash based games are almost unusable now. The plug-in is using 100% CPU and it lags horribly in these games. Google/Adobe, please fix this. I shouldn't have to disable the built-in Flash plug-in (with added sandboxing security) and use regular Flash to resolve this. Short of waiting for an update to Chrome, does anyone have a better solution to fixing this? I am all ears.

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• does the *physical* order/location of drives in a mdadm-managed RAID-10 array matter?

  - by locuse

  i've setup a 4-drive RAID-10 array using mdadm-managed, software-raid on an x86_64 box. it'd up & running and works as expected, cat /proc/mdstat md127 : active raid10 sdc2[2] sdd2[3] sda2[0] sdb2[1] 1951397888 blocks super 1.2 512K chunks 2 far-copies [4/4] [UUUU] bitmap: 9/466 pages [36KB], 2048KB chunk atm the four SATA drives are physically plugged into the motherboard's 1st four SATA ports. i'd like to gather the necessary/complete info for catastrophic recovery. reading starting here, http://neil.brown.name/blog, and the mailing list, i'm not yet completely confident i have it right. i understand 'drive order matters'. is that logical, &/or physical order that matters? if i unplugged the four drives in this array, and plugged them each back into different ports on the motherboard or a pci card, as long as i've changed nothing in software config, will the array correctly auto-re-assemble?

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• Apple Airport Extreme Wireless Card M8881 Connectivity Issue

  - by Carlosfocker

  I bought a Apple Airport Extreme Wireless Card M8881 with the antenna for my old Power Mac G5 1.6 Ghz. The computer is running OS X 10.4. The card works and I can connect to my dlink 802.11g wireless router using WPA2/AES encryption. The problem is that the connection has intermittent connectivity issues. When the issue occurs the signal bars for the connection drop to one or two bars and the performance of the connection suffers greatly. The computer isn't far from the wireless router. I have a laptop at the desk where the mac is and it does not have any issues. I'm not sure what it might be? Updated drivers? Firmware? Let me know if I forgot any important information.

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• Apache Subversion and Sudo - Why can't I resolve this hostname?

  - by Hollowsteps

  Okay, I made a mistake and I'll be the first to admit I'm new at this setup. I built a bare bones kit, installed Ubuntu on it, and attempted to set up a source control server for a project some friend and I were going to work on. Unfortunately, I screwed up. I followed a dodgy tutorial from 2005 and when it didn't work, started mixing and matching trying to get to the source of my problem. So now I sit before you, a broken and miserable man. Desperate to escape this annoying echo of 'Unable to resolve host computer.repositoryname.com', I uninstalled apache and subversion. That did not fix it. Next I tried to edit my /etc/hosts, going so far as to remove the reference to '127.0.1.1 computername'. Still I'm plagued. I know I messed up, is there any way to track down this wayward bug?

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• HDMI Audio drops out when display enters powersave

  - by Jared Tritsch

  I have a Windows 8 machine with an AMD APU attached to my Home Theater system through HDMI (HDMI routes through a Home Theater AMP, then into the TV). Here's my problem, Whenever the display is interrupted, usually by the TV being turned off or into powersave mode, the audio device lists as "Disconnected" in windows audio devices and I cant get it to re-recognize that the HDMI audio is, in fact, plugged in. The only solution I have found so far is to restart the machine, which will then recognize the device without any problems, until the next time the TV turns off and the problem once again resurfaces. Has anyone else seen this phenomenon? I have no idea if its the GPU, the HDMI interface, the AMP, or even the TV itself, as there really isn't much a way to tell...

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• Need help with an .htaccess URL rewriter

  - by AlexV

  I'm trying to do another SEO system with PHP/.htaccess... I need the following rules to apply: Must catch all URLs that do not end with an extension (www.foo.com -- catch | www.foo.com/catch-me -- catch | www.foo.com/dont-catch.me -- don't catch). Must catch all URLs that end with .php* (.php, .php4...) (thwaw are the exceptions to rule #1). All rules must only apply in some directories and not in their subdirectories (/ and /framework so far). The htaccess must send the typed URL in a GET value so I can work with it in PHP. Any mod-rewrite wizard can help me?

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• Howto update Preview.app from the command line without losing focus on OSX ?

  - by snies

  Hello, i want to update Preview.app in the background from the command line without losing focus of my current window. I know that i can use the following to open/update the view of a file, but than i lose focus to the Preview.app. open -a Preview foo.pdf I guess there might be some clever Apple Script commands to do so but so far i didn't find the right one. Alternatively i would be interested into transfering the focus back to my current app directly after the update. I need this in order to update Preview.app's view of a pdf through a vi autocmd after i update the pdf according to changes in a tex file i am editing. Here is an example of what i want to achive but using Ubuntu and evince.

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• Class Design - Space Simulator

  - by Peteyslatts

  I have pretty much taught myself everything I know about programming, so while I know how to teach myself (books, internet and reading API's), I'm finding that there hasn't been a whole lot in the way of good programming. So I have two questions: First the broad one: Does anyone have suggestions as to sources for learning about good programming habits and techniques? I'd prefer it if the resource wasn't a 5000 page tome. The more I can read it in installments the better. More specifically: I am finishing up learning the basics of XNA and I want to create a space simulator to test my knowledge. This isn't a full scale simulator, but just something that covers everything I learned. It's also going to be modular so I can build on it, after I get the basics down. One of the early features I want to implement is AI. And I want to take this into account as I'm designing my classes so I can minimize rewriting code. So my question: How should I design ship classes so that both the player and AI can use them? The only idea I have so far is: Create a ship class that contains stats, models, textures, collision data etc. The player and AI would then have the data for position, rotation, health, etc and would base their status off of the ship stats.

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