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• Unable to connect to another computer from the Task Scheduler on Windows 7

  - by Clem

  I am getting the following error when trying to connect to another computer from the Task Scheduler on Windows 7: "The remote computer was not found." The computer that I am trying to connect to is definitely on the network as I can ping it and browse its shared folders in Windows Explorer. Note that I get the same error message when trying to perform the same operation from Performance Monitor. This suggests that I need to something to enable remote connection to the Task Scheduler. I am not very experienced with Windows administration and I am not sure where to look. To give a bit more context, I want to use the Task Scheduler to automatically start Perf Mon on a few machines at my company. I'd like to setup the Task Scheduler remotely. Does anyone know what I need to do?

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• Dell U271 monitor DisplayPort suddenly not working

  - by Amir Latif

  My new(ish) Dell U271 took a bit of a knock and it now suddenly doesn't recognise the Macbook plugged into it via DisplayPort - this had been working great for several months up until now. When I "Scan Sources", it doesn't find anything on DisplayPort. However, one suspicious behaviour leads me to think all might not be lost. When the Mac is woken from sleep, this used to kick the monitor in (as an monitor would) and while it no longer does that, the light on the monitor does go from standby orange to blue briefly, then the monitor says it's going into "power save" mode. It seems like it gets some kinda signal. Any ideas on how I can diagnose the problem? I'm trying to find another mac but no one near me has one ...

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• which server is best for me??

  - by mathew

  I am looking for a best hosting service for my website. My website is a PHP MySQl driven site which hase got site scrapping for more than 10 websites and near about 8-10 API pursing and some about 150 mb dat file reading(from local hard drive), and also one rss pursing,Live graph from other sites, geo map from Google,Map api from Google and so on. one widget which real-time result for any one who chose the same. so my question is which is best option for me. actually I am considering softlayer cloud as they are pretty cheap and more facilities than rackspace. another option is a dedicated server which has 2 single core processor, 4GB ram and 250GB sata II. with 100 mbps uplink. so please tell me which will be the best option?? I heard that dedicated server has lots of limitations than cloud. but for cloud they uses SAN for storage so I am afraid the reading proces for database may be bit slower...and their basic plan ram is only 1 GB.

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• Oracle Financial Management Analytics 11.1.2.2.300 is available

  - by THE

  (guest post by Greg) Oracle Financial Management Analytics 11.1.2.2.300 is now available for download from My Oracle Support as Patch 15921734 New Features in this release: Support for the new Oracle BI mobile HD iPad client. New Account Reconciliation Management and Financial Data Quality Management analytics Improved Hyperion Financial Management analytics and usability enhancements Enhanced Configuration Utility to support multiple products. For HFM, FCM or ARM, and FDM, we support both Oracle and Microsoft SQL Server database. Simplified Test to Production migration of OFMA. Web browsers support for Oracle Financial Management Analytics: Internet Explorer Version 9 - The Oracle Financial Management Analytics supports the Internet Explorer 9 Web browser (for both 32 and 64 bit). Firefox Version 6.x - The Oracle Financial Management Analytics supports the Firefox 6.x Web browser. Chrome Version 12.x - The Oracle Financial Management Analytics supports the Chrome 12.x Web browser. See OBIEE Certification Matrix 11.1.1.6:  http://www.oracle.com/technetwork/middleware/ias/downloads/fusion-certification-100350.html Oracle Financial Management Analytics Compatibility: The Oracle Financial Management Analytics supports the following product version: Oracle Hyperion Financial Data Quality Management Release 11.1.2.2.300 Oracle Financial Close Manager Release 11.1.2.2.300 Oracle Hyperion Financial Management Release 11.1.2.2.300  

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• How do I create a Launcher in Ubuntu 9.10 that runs a shell script?

  - by mkelley33

  Here's my situation: New to Ubuntu (just installed 9.10 Karmic Koala 64 bit) Purpose: to easily run PyCharm without too much typing (ie. cd... ./pycharm.sh) Want to create desktop Launcher instead of terminal & typing (without resorting to the "Run in Terminal" option) Tried to create Launcher to executes .sh script in Document directory Right-clicked Desktop Create Launcher a. Type == Application; Browse [insert absolute path to .sh script]; no luck b. Type == Application in Terminal; Browse ...ditto I'm open to any other alternatives that involve as little typing as possible. I would like to just start Ubuntu, click Launcher icons, and have terminals spring to life, running the intended scripts. Crazy? No. Lazy? Probably. Productive? Hopefully :)

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• How to loop section from a song correctly?

  - by Teflo

  I'm programming a little Music Engine for my game in C# and XNA, and one aspect from it is the possibility to loop a section from a song. For example, my song has an intropart, and when the song reached the end ( or any other specific point ), it jumps back where the intropart is just over. ( A - B - B - B ... ) Now I'm using IrrKlank, which is working perfectly, without any gaps, but I have a problem: The point where to jump back is a bit inaccurate. Here's some example code: public bool Passed(float time) { if ( PlayPosition >= time ) return true; return false; } //somewhere else if( song.Passed( 10.0f ) ) song.JumpTo( 5.0f ); Now the problem is, the song passes the 10 seconds, but play a few milliseconds until 10.1f or so, and then jumps to 5 seconds. It's not that dramatic, but very incorrect for my needs. I tried to fix it like that: public bool Passed( float time ) { if( PlayPosition + 3 * dt >= time && PlayPosition <= time ) return true; return false; } ( dt is the delta time, the elapsed time since the last frame ) But I don't think, that's a good solution for that. I hope, you can understand my problem ( and my english, yay /o/ ) and help me :)

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• GLSL billboard move center of rotation

  - by Jacob Kofoed

  I have successfully set up a billboard shader that works, it can take in a quad and rotate it so it always points toward the screen. I am using this vertex-shader: void main(){ vec4 tmpPos = (MVP * bufferMatrix * vec4(0.0, 0.0, 0.0, 1.0)) + (MV * vec4( vertexPosition.x * 1.0 * bufferMatrix[0][0], vertexPosition.y * 1.0 * bufferMatrix[1][1], vertexPosition.z * 1.0 * bufferMatrix[2][2], 0.0) ); UV = UVOffset + vertexUV * UVScale; gl_Position = tmpPos; BufferMatrix is the model-matrix, it is an attribute to support Instance-drawing. The problem is best explained through pictures: This is the start position of the camera: And this is the position, looking in from 45 degree to the right: Obviously, as each character is it's own quad, the shader rotates each one around their own center towards the camera. What I in fact want is for them to rotate around a shared center, how would I do this? What I have been trying to do this far is: mat4 translation = mat4(1.0); translation = glm::translate(translation, vec3(pos)*1.f * 2.f); translation = glm::scale(translation, vec3(scale, 1.f)); translation = glm::translate(translation, vec3(anchorPoint - pos) / vec3(scale, 1.f)); Where the translation is the bufferMatrix sent to the shader. What I am trying to do is offset the center, but this might not be possible with a single matrix..? I am interested in a solution that doesn't require CPU calculations each frame, but rather set it up once and then let the shader do the billboard rotation. I realize there's many different solutions, like merging all the quads together, but I would first like to know if the approach with offsetting the center is possible. If it all seems a bit confusing, it's because I'm a little confused myself.

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• Language redirect affecting pagerank and search listing?

  - by Janoszen

  Preface We have a number of sites that use the same redirect mechanism across the board. We recently transitioned one site from non-localised to localised and detected that the Google+ integration doesn't show up on the search results any more AND the PageRank is gone from 2 to 0. How the redirect works If the UA sends a cookie (e.g. lang=en), redirect the user to /language (e.g. /en) If the UA is a bot (.*bot.*), redirect to /en If the Accept-Language header contains a usable, non-English language, redirect to /language (English is the default on many browsers in non-English regions) If there is a valid GeoIP lookup and the detected region is linked to a supported language, redirect to /language Redirect to /en We do of course on all pages have the proper markup to indicate the alternate language: <link hreflang="de" href="/de" rel="alternate" /> As far as we can tell, we follow all publicly available guidelines from Google, so we are a bit at odds if this is a bug in Google or we have done something wrong. Question Does not having content on the root URL of a domain adversely affect search engine rankings and if yes, how does one implement a proper language redirection?

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• Inserting Keynote slides into a Pages document

  - by Ian Turner

  I have a number of training documents which are formed from a word processor file and a slideshow. I'd like to be able to keep them together ideally by inserting the slides from Keynote into Pages. Is there any way of doing this quickly. So far I have tried Applescript with little success, I can drag and drop the slides one at a time but it is a bit slow and I've tried turning the slideshow into and dragging it into Pages but this only pulls in the first slide. Does anyone have any better ideas?

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• Understanding Box2d Restitution & Bouncing

  - by layzrr

  I'm currently trying to implement basketball bouncing into my game using Box2d (jBox2d technically), but I'm a bit confused about restitution. While trying to create the ball in the testbed first, I've run into infinite bouncing, as described in this question, however obviously not using my own implementation. The Box2d manual describes restitution as follows: Restitution is used to make objects bounce. The restitution value is usually set to be between 0 and 1. Consider dropping a ball on a table. A value of zero means the ball won't bounce. This is called an inelastic collision. A value of one means the ball's velocity will be exactly reflected. This is called a perfectly elastic collision. My confusion lies in that I am still getting infinite bouncing with restitution values at 0.75/0.8. The same behavior can be seen in the testbed under Collision Watching - Varying Restitution, on the 6th and 7th balls. I believe the last one has restitution of 1, which makes sense, but I don't understand why the second to last ball bounces infinitely (as is happening with my working basketball I've created). I am looking to understand the restitution concept more fully, as well as look for a solution to infinite bouncing with the Box2d framework. My instinct was to sleep objects that appeared to be moving in very small increments, but this seems like a misuse of the engine. Should I just work with lower restitution values altogether?

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• Windows Server Task Scheduler: Running scheduled executable fail-safe?

  - by Mikael Koskinen

  I have an executable which I've scheduled to run once in every five minutes (using Window's built-in Task Scheduler). It's crucial that this executable is run because it updates few time critical files. But how can I react if the virtual server running the executable goes down? At no point there shouldn't be more than 15 minutes break between the runs. As I'm using Windows Server and its Task Scheduler, I wonder is it possible to create some kind of a cluster which automatically handles the situation? The problem is that the server in question is running on Windows Azure and I don't think I can create actual clusters using the virtual machines. If the problem can be solved using a 3rd party tool, that's OK too. To generalize the question a little bit: How to make sure that an executable is run once in every 5 minutes, even if there might be server failures?

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• Using Bazaar (BZR) on AFT or SMB mounted server not wroking

  - by Dan Berlyoung

  Has anyone been able to get BZR working on a mounted AFT or SMB mounted share? I've tried both (The AFP volume is actually coming off an Xserver.) and neither work. I have BZR 2.0.0 and am running it on a Mac with 10.5. I keep getting an error like this bzr: ERROR: Could not acquire lock "/Volumes/joeserver/Documents/bzr/remote_test/.bzr/checkout/dirstate": [Errno 45] Operation not supported I googled around a bit but only found a fairly stale (2007) bug report on launchad.com (Bug #313625 to be specific.) Any ideas?

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• how to offer subdomain hosting with bandwidth calculation per user

  - by Ke

  Hi, Im a php developer and I would like to offer subdomain hosting,but need also to be able to calculate bandwidth for each subdomain. For the subdomains creation I will use catch-all and wildcards etc to easily set these up. The one thing im a bit stumped on is how to calculate bandwidth for each subdomain, is this possible within php? or are there better solutions for this perhaps using folders or something? Also a script will be loaded under the subdomain, this will vary per user. Is it worth giving each user a new folder and their own script, or more easy to manage one script for all users? Any considerations here? Cheers Ke

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• use yum behind a proxy on CentOS 5.6

  - by ewok

  I have a CentOS VM running in Virtualbox on a Windows 7 host (all 64-bit). I have configured the proxy in the System menu and have added the proxy=http://my.proxy.com:12345 line to my /etc/yum.conf file. I am able to connect to the internet from a browser, and I can update packages form the update manager and install them from the package manager. However, I cannot use yum for anything. When I attempt to use yum (install, update, upgrade, or anything else), It attempts to connect to the mirrors, does nothing, then after a minute or so, quits. Does anyone know how to configure yum to work behind a proxy?

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• How to host a scalable social networking app

  - by christopher-mccann

  I am in the middle of developing a social networking application for a very select user niche which could scale to a few million users. Right now I have always hosted applications on RackSpace Cloud and I have no issues with them at all - always been a really good service and never had any downtime. My question is though does anyone think that cloud computing is not the way to host scalable web apps? Or can anyone with experience of this recommend a better solution. I have always shunned trying to run big servers from my own facilities as I think it seems silly to go to the expense of bringing in big alternative power supplies and all the other necessary precautions when other companies already do this. I looked at managed hosting services but this proved to be a bit too expensive for us at the start and the scalability of it wasnt good enough - it would take a day or two to get a new server provisioned. Therefore I ended up on a cloud platform. If anyone has any recommendations or advice it would be greatly appreciated.

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• How to install plug-in for Google Chrome

  - by Jeff

  Recently Google Chrome browser has been prompying me to install a plug-in everytime visit a web page. I always say Yes, install pulg-in, but that seems to have no effect. I tried following the "Trouble installing plug-ins" on the Chrome toolbar, but that seems to say Windows Media Player is the problem, but again, all my attempts at installing don't have any effect. As far as I know, I have not chnage anything, but Skype did recently upgrade itself. This is Windows 7 Professional 64-bit, and Chrome says it is up-to-date. I'm going to run a malware checker next, just in case - Thanks!

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• Working with multiple interfaces on a single mock.

  - by mehfuzh

  Today , I will cover a very simple topic, which can be useful in cases we want to mock different interfaces on our expected mock object.  Our target interface is simple and it looks like:   public interface IFoo : IDisposable {     void Do(); } Now, as we can see that our target interface has implemented IDisposable and in normal cases if we have to implement it in class where language rules require use to implement that as well[no doubt about it] and whether or not there can be more complex cases, we want to ensure that rather having an extra call(..As()) or constructs to prepare it for us, we should do it in the simplest way possible. Therefore, keeping that in mind, first we create a mock of IFoo var foo = Mock.Create<IFooDispose>(); Then, as we are interested with IDisposable, we simply do: var iDisposable = foo as IDisposable;   Finally, we proceed with our existing mock code. Considering the current context, we I will check if the dispose method has invoked our mock code successfully.   bool called = false;   Mock.Arrange(() => iDisposable.Dispose()).DoInstead(() => called = true);     iDisposable.Dispose();   Assert.True(called);   Further, we assert our expectation as follows: Mock.Assert(() => iDisposable.Dispose(), Occurs.Once());   Hopefully that will help a bit and stay tuned. Enjoy!!

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• How to search for a Windows 8 folder by name

  - by Edward Brey

  In Windows 7, if you press the Windows key and type the name of a folder, and the folder shows up among the Start menu search results. In Windows 8, if you do the same thing, no folders are listed. The Files filter shows files with matching names, but no folders. I realize that you can still search for folders from the Windows Explorer search box, but navigating that way is a bit slow and clumsy. Is there a quicker way, in particular a way to search directly from the Windows 8 Start screen?

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• Get Started with JavaFX 2 and Scene Builder

  - by Janice J. Heiss

  Up on otn/java is a very useful article by Oracle Java/Middleware/Core Tech Engineer Mark Heckler, titled, “How to Get Started (FAST!) with JavaFX 2 and Scene Builder.”  Heckler, who has development experience in numerous environments, shows developers how to develop a JavaFX application using Scene Builder “in less time than it takes to drink a cup of coffee, while learning your way around in the process”. He begins with a warning and a reassurance: “JavaFX is a new paradigm and can seem a bit imposing when you first take a look at it. But remember, JavaFX is easy and fun. Let's give it a try.” Next, after showing readers how to download and install JDK/JavaFX and Scene Builder, he informs the reader that they will “create a simple JavaFX application, create and modify a window using Scene Builder, and successfully test it in under 15 minutes.” Then readers download some NetBeans files:“EasyJavaFX.java contains the main application class. We won't do anything with this class for our example, as its primary purpose in life is to load the window definition code contained in the FXML file and then show the main stage/scene. You'll keep the JavaFX terms straight with ease if you relate them to the theater: a platform holds a stage, which contains scenes. SampleController.java is our controller class that provides the ‘brains’ behind the graphical interface. If you open the SampleController, you'll see that it includes a property and a method tagged with @FXML. This tag enables the integration of the visual controls and elements you define using Scene Builder, which are stored in an FXML (FX Markup Language) file. Sample.fxml is the definition file for our sample window. You can right-click and Edit the filename in the tree to view the underlying FXML -- and you may need to do that if you change filenames or properties by hand - or you can double-click on it to open it (visually) in Scene Builder.” Then Scene Builder enters the picture and the task is soon done. Check out the article here.

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• Securing RDP access to Windows Server 2008 R2: is Network Level Authentication enough?

  - by jamesfm

  I am a dev with little admin expertise, administering a single dedicated web server remotely. A recent independent security audit of our site recommended that "RDP is not exposed to the Internet and that a robust management solution such as a VPN is considered for remote access. When used, RDP should be configured for Server Authentication to ensure that clients cannot be subjected to man-in-the-middle attacks." Having read around a bit, it seems like Network Level Authentication is a Good Thing so I have enabled the "Allow connections only from Remote Desktop with NLA" option on the server today. Is this acion enough to mitigate the risk of a Man-in-the-Middle attack? Or are there other essential steps I should be taking? If VPN is essential, how do I go about it?

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• installing jdk1.7.0 on Ubuntu 11.04 machine

  - by Yogesh

  I am facing a problem while trying to install Java 7 on Ubuntu. The following are the steps that I performed for installing: I installed the setup file from the link given below: wget http://download.oracle.com/otn-pub/java/jdk/7u1-b08/jdk-7u1-linux-x64.tar.gz I have a file: jdk-7u1-linux-x64.tar.gz I Untared it: tar -xvf jdk-7u1-linux-x64.tar.gz sudo mv ./jdk1.7.0_01 /usr/lib/jvm/jdk1.7.0_01 sudo update-alternatives –config java Here it gave me the following output: There is only one alternative in link group java: /usr/lib/jvm/java-6-sun/jre/bin/java Nothing to configure. sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.7.0_01/jre/bin/java 1(I entered 1 here.) sudo update-alternatives --config java java -version. It showed the following output java version "1.6.0_26" Java(TM) SE Runtime Environment (build 1.6.0_26-b03) Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode) I am not sure if jdk1.7.0 is installed as its showing the version as 1.6.0_26.

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• Windows 7 admin denied access to taskmgr, system32 dir

  - by DotNet Zebra

  I have a Windows 7 (32-bit) box with 2 users, both admins (my wife and I are both developers). My admin account was created during Windows setup, hers was created later. Both accounts are in the same groups, yet we have VERY different permissions. In the beta and RC, both accounts worked identically (RC to RTM was a fresh install on this box, not an upgrade). I have a C:\bin folder with the sysinternals utilities and a bunch of other stuff. Running anything in there or in system32 just works on my account, on hers I get access denied errors (cannot access file or path). If I right click and try Run As Administrator, I still get the same thing!!!

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• ZFS: RAIDZ versus stripe with ditto blocks

  - by RandomInsano

  I'm going to build a ZFS file server from FreeBSD. I learned recently that I can't expand a RAIDZ udev once it's part of the pool. That's a problem since I'm a home user and will probably add one disk a year tops. But what if I set copies=3 against my entire pool and just throw individual drives into the pool separated? I've read somewheres that the copies will try and distribute across drives if possible. Is there a guarantee there? I really just want protection from bit rot and drive failure on the cheap. Speed's not an issue since it'll go over a 1Gb network and at MOST stream 720p podcasts. Would my data be guaranteed safe from a single drive failure? Are there things I'm not considering? Any and all input is appreciated.

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• Cannot install Ubuntu on an Acer Aspire One 756

  - by Byron807

  I have used Ubuntu before, in virtual machines, but today I decided to make the leap and I bought a netbook to install Ubuntu as a "real" OS alongside Windows. The netbook I bought is an Acer Aspire One 756, with a 64-bit Intel processor, 4GB RAM, and Windows 8 as the default OS. I have now encountered several obstacles that actually prevent me from installing Ubuntu 12.10. Here are all the things I have tried so far: Used a live CD, in combination with a USB DVD drive. (I should point out that the Aspire One does not have an optical drive.) The computer does not boot in Ubuntu; the drive keeps spinning, but nothing happens, even though I changed the boot order in the BIOS. Used a USB drive created via the tool available on pendrivelinux.com. Again, I've made changes to the BIOS to make sure the computer tries to boot from USB before using the built-in HDD. The results vary in this case: sometimes, the computer keeps rebooting like crazy until I remove the USB drive, at which point the computer boots into Windows 8, as expected. If I use a different USB drive, I get an error message that says that the USB drive has been blocked due to "the current security policy". Tried to install Ubuntu via Wubi. The program appears to install something, but at some point during the installation process, I get a non-specified error message and nothing else happens. I am not sure if these are known issues; in any case, searching the forum has not yielded any results, so I thought I should simply describe my problem here in the hope that this question has not been answered before. I would greatly appreciate any help with this annoying problem. Of course, if anything is unclear, do not hesitate to ask for further details.

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• Problem with Xen, xvda and sda

  - by Javier J. Salmeron Garcia

  I am creating a cloud for my university using Eucalyptus with Xen (PCs have Debian Squeeze 64 bit installed). I have a problem with the following guest configuration: # # Configuration file for the Xen instance evenmorefinalfoo, created # by xen-tools 4.2 on Thu May 26 11:03:06 2011. # # # Kernel + memory size # kernel = '/boot/vmlinuz-2.6.32-5-xen-amd64' ramdisk = '/boot/initrd.img-2.6.32-5-xen-amd64' vcpus = '1' memory = '128' # # Disk device(s). # root = '/dev/sda2 ro' disk = [ 'file:/home/xen/domains/evenmorefinalfoo/disk.img,sda2,w', 'file:/home/xen/domains/evenmorefinalfoo/swap.img,sda1,w', ] As you can see, the disk and swap images are meant to be mounted on sda1 and sda2. However, when I start the guest, these are mounted on xvda1 xvda2, provoking an error. Is there anything that I can do about that? It seems like it is a Xen error. Thank you in advance,

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