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  • Cannot open the device or file specified for office files

    - by MadBoy
    Recently I've noticed on couple of computers that when users try to open Office files or links (to server path) to office files they get this error "Windows cannot access the specified device path or file", but the files itself open up without problems. This happened on 4 Windows XP computers already with Office 2003 installed. One one computer it was XLSX file being opened and every time user executed it, it opened up, but the error pops out. On the other hand when I open it directly from Office it works fine, without error. On another 3 computers it was after user pressed on the link to Access DB and it error out, but Access began MSI configuration (since it was first time user logged in to his computer) and in the end it opened up properly. After closing access and doing it again problem disappeared. Some faulty patch ? Eset Smart Security 4 is installed.

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  • How could I easily pack a directory to an ext4 loop partition image?

    - by Alvin Wong
    I would like to pack the content of a directory into an ext4 partition image easily, without mounting a loop device. Background: I am building a version of Android which will mount system partitions as a loop device for ARM. Though I can create those partition images by hand using loop devices, it is very troublesome. I want to use an sh script to automatically do the work, and without needing to loop mount the dd-created image and use cp -rp. The best is to directly pack the files into an image file. Question: Is there any simple command-line tools without needing loop mount and root permission that can pack files into an ext4 partition image?

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  • Why can't I play YouTube clips properly anymore?

    - by NoCanDo
    I haven't got the faintest idea what happened, but since about 3-4 days now I can't play any clips on YouTube properly at all. Proper as in continuously without loading, pause, playback, pause, loading, playback, pause, loading, playback, etc. I haven't changed anything hardware nor software-wise. On the other hand I can play Break.com, Viddler, Liveleak, Metacafe without any trouble. I tried my own tips, but that hasn't helped me at all. What on earth happend? Is it me, or is it YouTube? I'm using Firefox 3.6 Beta 5. But the issue is the same on Chrome as well as on Internet Explorer.

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  • Automatically insert cell references from one sheet into other in Calc

    - by user123456
    I have spreadsheets in OpenOffice.org Calc that consist of the first sheet and an arbitrary number of additional sheets, each collecting data for a specific month. The Month sheets have an identical structure. The first sheet is supposed to provide an overview to the most important numbers in the month sheets. Whenever I add a Month sheet, I want it to appear automatically in the Overview sheet with the structure given below. So, for each Month sheet, copy or reference some of the cells into the Overview sheet: {Referenced Sheet Name} | Fixed Header1 | Fixed Header2 | Fixed Header3 Fixed Label 1 | {CellRef 1} | {CellRef 2} | {CellRef 3} Fixed Label 2 | {CellRef 4} | {CellRef 5} | {CellRef 6} I know how do to this for just one sheet by hand, but I have no clue how to make Calc do this automatically for me. Is it possible at all? Any help appreciated.

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  • Exception while bamboo is checking for changes in svn

    - by tangens
    While configuring a new test plan in Atlassian bamboo, I get the following exception in the log: Recording error: Unable to detect changes : <projectname> Caused by: org.tmatesoft.svn.core.SVNException: svn: Unrecognized SSL message, plaintext connection? svn: OPTIONS request failed on <repo-path> I tried to access the svn repository by hand and it worked (URL looks like this: https://myrepo.org/path/to/repo). The svn sits behind an apache http server. Both the bamboo server and the svn server are running Debian 4.0. Has anybody seen this error before and can give me a hint how to fix it?

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  • Exim 4.63 on CentOS: sending mail from server app through localhost - failed on authentication

    - by Stas
    Hi! I am trying to send mail from my java application simply connecting on localhost:25 with empty login and password (I have to state them due to API). Mail sending is failed then with 2010-03-21 12:20:01 login authenticator failed for localhost [127.0.0.1]: 535 Incorrect authentication data On the other hand, when I am sending mail with telnet by: $ telnet localhost 25 ehlo ... mail from:... rcpt to:... data: ... it works perfectly. Any clues?

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  • Why does StackExchange store images in imgur rather than its own servers? [migrated]

    - by martin's
    I am trying to understand the technical (and business) logic behind taking such an approach. Certainly SE isn't short of server or bandwidth resources. I don't think imgur is a CDN, so that can't be the reason. On the one hand one is giving up local control (meaning your files, your hardware) of the content. On the other, you don't have to use your own bandwidth, storage and resources. Then again, you depend on someone else for the reliability and up-time of your service.

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  • Run a BitLocker protected Windows 7 installation on VirtualBox from physical drive

    - by djechelon
    I have a broken laptop with its hard drive intact. I'll be getting it repaired in a few days but I must continue my work possibly uninterrupted, so I chose to run the OS in another working laptop (I can't just transfer documents). My question is really simple: Can I create a virtual machine in VirtualBox (under Linux) that uses the physical hard drive mentioned above which is encrypted with BitLocker? I have the restore key at hand, of course. I wouldn't like to mount the hard disk as primary hard disk for laptop (and run 7 as primary OS), but that could be the final choice if virtualizing is not an option. Thank you.

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  • Python/numpy tricky slicing problem

    - by daver
    Hi stack overflow, I have a problem with some numpy stuff. I need a numpy array to behave in an unusual manner by returning a slice as a view of the data I have sliced, not a copy. So heres an example of what I want to do: Say we have a simple array like this: a = array([1, 0, 0, 0]) I would like to update consecutive entries in the array (moving left to right) with the previous entry from the array, using syntax like this: a[1:] = a[0:3] This would get the following result: a = array([1, 1, 1, 1]) Or something like this: a[1:] = 2*a[:3] # a = [1,2,4,8] To illustrate further I want the following kind of behaviour: for i in range(len(a)): if i == 0 or i+1 == len(a): continue a[i+1] = a[i] Except I want the speed of numpy. The default behavior of numpy is to take a copy of the slice, so what I actually get is this: a = array([1, 1, 0, 0]) I already have this array as a subclass of the ndarray, so I can make further changes to it if need be, I just need the slice on the right hand side to be continually updated as it updates the slice on the left hand side. Am I dreaming or is this magic possible? Update: This is all because I am trying to use Gauss-Seidel iteration to solve a linear algebra problem, more or less. It is a special case involving harmonic functions, I was trying to avoid going into this because its really not necessary and likely to confuse things further, but here goes. The algorithm is this: while not converged: for i in range(len(u[:,0])): for j in range(len(u[0,:])): # skip over boundary entries, i,j == 0 or len(u) u[i,j] = 0.25*(u[i-1,j] + u[i+1,j] + u[i, j-1] + u[i,j+1]) Right? But you can do this two ways, Jacobi involves updating each element with its neighbours without considering updates you have already made until the while loop cycles, to do it in loops you would copy the array then update one array from the copied array. However Gauss-Seidel uses information you have already updated for each of the i-1 and j-1 entries, thus no need for a copy, the loop should essentially 'know' since the array has been re-evaluated after each single element update. That is to say, every time we call up an entry like u[i-1,j] or u[i,j-1] the information calculated in the previous loop will be there. I want to replace this slow and ugly nested loop situation with one nice clean line of code using numpy slicing: u[1:-1,1:-1] = 0.25(u[:-2,1:-1] + u[2:,1:-1] + u[1:-1,:-2] + u[1:-1,2:]) But the result is Jacobi iteration because when you take a slice: u[:,-2,1:-1] you copy the data, thus the slice is not aware of any updates made. Now numpy still loops right? Its not parallel its just a faster way to loop that looks like a parallel operation in python. I want to exploit this behaviour by sort of hacking numpy to return a pointer instead of a copy when I take a slice. Right? Then every time numpy loops, that slice will 'update' or really just replicate whatever happened in the update. To do this I need slices on both sides of the array to be pointers. Anyway if there is some really really clever person out there that awesome, but I've pretty much resigned myself to believing the only answer is to loop in C.

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  • openQRM nagios password reset

    - by Entity_Razer
    Right so, basically the story is that to test a XenServer environment from citrix I deployed a openQRM install from SVN to a ubuntu 10.4 install (on a ESX Environment) All went well installs, I can connect to it, but I can't seem to access the nagios plug in. Every time i wish to go to it i'm asked for a pw, and if I input the pw I wrote down yesterday it just doesn't let me in. I'm trying to reset the password on the nagios plug in now but for the life of me can't find it. Googled high and low for a defenitive working solution but so far no luck. Anyone able to lend a hand ? Cheers ! Ubuntu 10.4 Beta as openQRM openQRM installed from SVN cheers

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  • Using ZFS or XFS on a Xen guest running Linux

    - by zoot
    Background: I'm investigating the viability of using a filesystem other than ext3/4, with the ability to run snapshots for backup and rollback purposes. The servers under consideration are mailbox server nodes running on Linode's Xen based VPS platform. I'm particularly drawn to the various published benefits which ZFS offers in terms of data integrity and this year's stable release of native ZFS support in Linux - http://zfsonlinux.org ZFS appears to be the more thorough option in terms of benefits and simplicity (instead of LVM+XFS). Please note that I have little experience with ZFS (which I use on a local FreeNAS installation) and none with XFS, hence the post. To date, my servers are using ext3 filesystems, not managed under LVM. Question in detail: So, I have two questions. (1) Which of the two filesystems would be the better choice for the best of all of the following 3 aspects, running on a Xen Linux guest? Snapshots Data Integrity Performance (2) If ZFS is a viable option, is it practical to use ZRAID across Xen disk images to further enhance the solution for data integrity? Note: I'm reluctant to consider btrfs, given the many warnings I've read about in using it on production systems.

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  • dhcpd won't let go of old leases

    - by Jakobud
    We have DHCP setup to hand out leases in the following range: 192.168.10.190 - 192.168.10.254 (roughly 65 leases) Our small business network only has about 30 computers that use DHCP. We noticed that dhcpd stopped handing out new dynamic leases to the computers, even though there are definitely not 65 computers on the network. Why has it stopped handing out leases? Is it not releasing old un-used leases? How do we tell dhcpd to let go of old leases and start handing out fresh ones again?

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  • OSX 10.6 integration into NIS/netgroup/automount infrastructure

    - by mdpc
    I have an existing infrastructure where accounts are maintained under NIS (yp) with no local unix accounts. Also, all the standard maps including hosts, mail aliases, netgroups, etc...are maintained in this form. Extensive use of the UNIX/Linux automounter with items scattered over the network on NFS servers. There are NO ACLs on any local or shared files. All mail needs to use basically the nullclient sendmail configuration feeding into a different system. I now have a requirement to integrate an Apple OSX 10.6 system into this environment and make it run seamlessly. My initial reading and second-hand information seems to indicate that this may not be possible on the native OSX 10.6 system. I'm concerned. Any ideas as to how to accomplish this task and make everybody happy? Thanks PS: I have never used an Apple OSX system.

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  • tweak windows 7 virtual memory and cache / caching settings

    - by bortao
    im on windows 7 64 bit, with 4gb of memory whenever i copy or deal with a big ammount of data, windows swaps out everything from memory to the virtual memory swapfile, to make room to data cache. the problem is: i dont really need caching of this data im copying, its being copied only once, cacheing this data won't help me. on the other hand, swapping out the programs will give me a big lag time whenever i want to use those open programs again. what i want: restrict data cache to a certain ammount, lets say 1gb, or reserve a certain ammount of memory, lets say 2gb, exclusively for running programs memory. my swap file is on a separate partition, but i still have problems with swapping time.

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  • tweak windows 7 virtual memory and cache / caching settings

    - by bortao
    im on windows 7 64 bit, with 4gb of memory whenever i copy or deal with a big ammount of data, windows swaps out everything from memory to the virtual memory swapfile, to make room to data cache. the problem is: i dont really need caching of this data im copying, its being copied only once, cacheing this data won't help me. on the other hand, swapping out the programs will give me a big lag time whenever i want to use those open programs again. what i want: restrict data cache to a certain ammount, lets say 1gb, or reserve a certain ammount of memory, lets say 2gb, exclusively for running programs memory. my swap file is on a separate partition, but i still have problems with swapping time.

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  • sharepoint administrative server not started causing sharepoint deployment instability

    - by Nathan
    When i deploy anything to a variety of sharepoint servers i get problems with some packages failing, from what i can see the only error given is as below. The timer job for this operation has been created, but it will fail because the administrative service for this server is not enabled. If the timer job is sched uled to run at a later time, you can run the jobs all at once using stsadm.exe - o execadmsvcjobs. To avoid this problem in the future, enable the Windows ShareP oint Services administrative service, or run your operation through the STSADM.e xe command line utility. Is this a known problem? I googled for the text but got only one other person with the problem who simply worked round it. I'm trying to batch deploy solutions programmatically and so these errors render the whole code worthless if you have to go back and redo bits by hand afterwards. Is batch deployment simply not possible? Thanks!

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  • Windows 7 Ultimate x64 / Safari / Downloads disappear

    - by Dayton Brown
    Running Safari 4.0.5. When I download a file, it never appears in the download folder. If I pause the download I get the xxxxxx.xxx.download temp file to show up. When I then resume the download, it will finish, but will never rename the file to xxxxx.xxx. I've heard from some other posts that AV seems to have a hand in it, but I'm running clamwin av which doesn't have an in memory av process. What should I do?

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  • Assigning resources to MS Project 2007

    - by adam
    Hi, I'm planning a redesign of a site in Project 2007. I have three developers to hand, all with the same skills. There are about 80 templates to be rendered as part of the redesign, and each template has been added as a project task. Each of these tasks can be done by any of the 3 devs, and each will take a day (with a few exceptions). There is no order in which the tasks must be completed, so there are no predecessor rules. I'd like to be able to assign tasks to a 'Developer' resource group, and for Project to see that three tasks can be done at once (as the group has three resources members) and queue the tasks as such. Googling leads me to Team Assignment, but that appears to be part of Project Server. Surely I can do this in standalone Project? Thanks, Adam

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  • Word list sources

    - by warren
    I am looking for a source of nouns, adverbs, adjectives, and verbs in several languages. I'd like the lists to already be split apart, and not have to go through the OED (and non-English equivalents) by hand re-creating said lists. I don't really care about definitions, and I understand some words can be multiple parts of speech - that's fine - words like "many" could be a noun or adjective, and can appear in both lists. Does anyone here know of such a source? If not, might someone be able to point me in the right direction?

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  • Server Problems

    - by nardone25
    Hello everyone in serverfault. I am having a big issue right now and I hope you guys can help. Well I got a call at 7:15am today stating that person can't log in. Then my cell phone start to ring like crazy. So when I got in the server room my ac wasn't working. It was 100 dgrees Luckly I have two UPS that will shutdown my lefthands and servers when it get 95. I am running two left-hand sans, I have two servers machines running VMware ESX. Here is my problem, I booted the server back up when the room was at 68 and only administrator and two IT techs can log on to any desktop. I do get an permissions error from who every logs on. What should I do?

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  • Cloud Computing - Multiple Physical Computers, One Logical Computer

    - by bundini
    I know that you can set up multiple virtual machines per physical computer. I'm wondering if it's possible to make multiple physical computers behave as one logical unit? Fundamentally the way I imagine it working is that you can throw 10 computers into a facility one day. You've got one client that requires the equivalent of two computers worth, and 100 others that eat up the remaining 8. As demands change you're just reallocating logical resources, maybe the 2 computer client now requires a third physical system. You just add it to the cloud, and don't worry about sharding the database, or migrating data over to a new server. Can it work this way? If yes, why would anyone ever do things like hand partition their database servers anymore? Just add more computing resources. You scale horizontally with the hardware, but your server appears to scale vertically. There's no need to modify your application's supporting infrastructure to support multiple databases etc.

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  • How to install old versions of gcc on Fedora without a VM?

    - by mikeh
    Hi, I need gcc 4.3 running alongside the shipped 4.4 on an FC13 machine. I can't do the VM solution discussed at http://serverfault.com/questions/88445/how-to-install-old-versions-of-gcc-on-fedora-12 since I need hardware access (CUDA computations on the graphics card). There's no compat-gcc-43 package (only compat-gcc-34). So I've built gcc by hand and am now trying to decide how to "install" it. Could anyone confirm that this was my only option, and/or suggest a best practice for how to manage the side-by-side gcc versions?

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  • Safari on Mac OS X Cache lasts after 'Empty Cache'

    - by Mitch
    So, I broke a website with some server changes oops. I roll back the changes I made, hit cmd-R, and oh noes, it is still broken. But I relax thinking, there must be something held in safari's cache so I press the handy 'Empty Cache' button. Hit cmd-R for refresh it is still broken. I'm really worried that I've done it and broken something bigtime. But first decide to check on a hand win xp computer, and voila it works. So the question is how do you "really" clear the cache w/o restart safari, I have many browser windows open a restart every time I make a server side change will ruin me. Any suggestions? Thanks!

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  • Good free OCR with GUI for correcting mistakes? (for Windows)

    - by Hugh Allen
    I've used SimpleOCR, which has a nice GUI for correcting mistakes. Unfortunately it makes a lot of mistakes! (and suffers other bugs and limitations) On the other hand Tesseract is more accurate but has no GUI at all. Is there a free OCR program for Windows which has a nice GUI and a low error rate? I want it to highlight suspect words (by OCR uncertainty, not just spell checking) and show the original (bitmap) word while I'm editing the OCRed word similar to what SimpleOCR does. Open-source would be best, followed by freeware, then trial / demo / crippleware a long way behind.

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  • Hibernate - how to delete bidirectional many-to-many association

    - by slomir
    Problem: I have many-to-many association between two entities A and B. I set A entity as an owner of their relationship(inverse=true is on A's collection in b.hbm.xml). When i delete an A entity, corresponding records in join table are deleted. When i delete an B entity, corresponding records in join table are not deleted (integrity violation exception). -- Let's consider some very simple example: class A{ Set<B> bset=new HashSet<B>(); //... } class B{ Set<A> aset=new HashSet<A>(); //... } File a.hbm.xml [m-to-m mappings only]: <set name="bset" table="AB"> <key name="a_id"/> <many-to-many column="b_id" class="B"/> </set> File b.hbm.xml [m-to-m mappings only]: <set name="aset" table="AB" inverse="true"> <key name="b_id"/> <many-to-many column="a_id" class="A"/> </set> Database relations: A(id,...) B(id,...) AB(a_id,b_id) Suppose that we have some records in AB joint table. For example: AB = {(1,1),(1,2)} where AB= { (a_id , b_id) | ... ... } -- Situation 1 - works probably because A is owner of AB relationship: A a=aDao.read(1); //read A entity with id=1 aDao.delete(a); //delete 'a' entity and both relations with B-entities Situation 2 - doesn't work: B b=bDao.read(1); //read B entity with id=1 bDao.delete(b); //foreign key integrity violation On the one hand, this is somehow logical to me, because the A entity is responsible for his relation with B. But, on the other hand, it is not logical or at least it is not orm-like solution that I have to explicitly delete all records in join table where concrete B entity appears, and then to delete the B entity, as I show in situation 3: Situation 3 - works, but it is not 'elegant': B b=bDao.read(1); Set<A> aset=b.getA(); //get set with A entities Iterator i=aset.iterator(); //while removes 'b' from all related A entities //while breaks relationships on A-side of relation (A is owner) while(i.hasNext()){ A a=i.next(); a.bset.remove(b); //remove entity 'b' from related 'a' entity aDao.update(a); //key point!!! this line breaks relation in database } bDao.delete(b); //'b' is deleted because there is no related A-entities -- So, my question: is there any more convenient way to delete no-owner entity (B in my example) in bidirectional many-to-many association and all of his many-to-many relations from joint table?

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