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• make a computer recognized as a usb flash drive?

  - by user137560

  Is there anyway to make a folder or a partition on a computer (Linux/windows) to act like a flash drive to other computers or devices when connected with a usb cable. For example, I have a windows 7 computer with 2 partitions c and d, then connect that computer to another computer or a smart TV using a USB cable (has to be male to male USB cable) then the other computer or TV recognizes the current computer as a usb device. Is that possible, if not is there any usb switch to connect an external hard drive or flash drive to both the computer and TV without the need to manually switch them (I know about some USB switches but they only support automatic switching with some certain types of printers, not with mass storage) Thanks in advanced! Sam

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• progressbar not updating binding

  - by BoteRock

  I am trying to make a progress bar that updates when a property value changes I have followed other questions but i don't know what is wrong with it. This is XAML code: <Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:WpfApplication1" x:Class="WpfApplication1.MainWindow" Title="MainWindow"> <Grid Margin="0,0,-8,1"> <ProgressBar Value="{Binding Progreso, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type local:MainWindow}}}" Margin="105,95,207,350"/> <Button Content="Button" Click="Button_Click" Margin="218,232,333,217"/> </Grid> </Window> it is basically a progress bar with the binding and a button with a listener that increases Progreso by 10 this is the C# code: public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } public event PropertyChangedEventHandler PropertyChanged; protected void NotifyPropertyChanged(string sProp) { if (PropertyChanged != null) { PropertyChanged(this, new PropertyChangedEventArgs(sProp)); } } float progreso = 10; public float Progreso { get { return progreso; } set { progreso = value; NotifyPropertyChanged("Progreso"); } } private void Button_Click(object sender, RoutedEventArgs e) { this.Progreso = this.Progreso + 10; } } I tried to keep it simple but I couldn't get it to work, any help with this would be appreciated. edit: I've also tried UpdateSourceTrigger=PropertyChanged and that didn't work either

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• RAID 1 in ubuntu 12.04

  - by Bavly Hanna

  Right now I have a small file server to which I have loaded ubuntu 12.04 desktop on a small 160gb harddrive. This harddrive is the primary drive from which the OS boots. I want to move all my data to my file server so it can be shared on the network (contain in 2x2TB harddrives in my desktop. The 2TB drivers are in raid 1 (hardware). I simply want to move them to the file server and set it up so that they are in software raid 1. If at all possible I'd like to be able to do this without losing any info on the drives. I've searched around and the guides i find describe raiding drives for boot driver, but these wouldn't be boot drives just regular storage drives. If someone could tell me how to perform this or point me in the right direction it would be much appreciated.

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• SSH + SAMBA + LDAP question

  - by Mejmo

  Hi, I have SSH + LDAP working (I can log to Server2 with credentials from LDAP server Server1). Now, I would like to add Samba server (Server3) and it would be nice if it authenticates the users like Server2. How can I achieve this ? As I see Samba schema and the schema used for storing Unix users are different. So if I change password in Samba schema, I would be able to log in with the old password. I need centralized storage of username/passwords. If I change it once in phpldapadmin, it means for samba and ssh. Thanks.

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• Where are iSCSI and volume information location on ESX 4.0?

  - by sec_goat

  Let me start by saying I am somewhat of a Vmware novice, I know just enought to manage and create servers at a basic level from the vSphere client. I have a VMWare server, ESX 4.0 connected over iSCSI to a SAN. The SAN is being used as storage for both RDMs and VMFS volumes. The SAN has died and I ordered a new one. Where can I see the settings related to the iSCSI and volume configuration so that I can try and replicate them on the new SAN when it arrives?

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• How to un-partition a drive on windows 7

  - by Michael Rentmeister

  I bought this laptop used from a friend. The laptop has 500gb of storage; however, the drive is partioned. The C: drive has an allocated space of 50gb whereas the partition has 396gb allocated to it. How do i either take some of the space from the partition and move it to the C: drive, or get rid of the partition? I've done some searching and people say I'm supposed to be able to use "Disc Management" to "delete volume," but when i right click on the partition the "delete volume" is not enabled. Here is a picture:

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• LVM incorrectly reported missing after power failure

  - by mensi

  We have had a major power failure in the data-center. We are using a set of servers for our storage needs. The main server has several pairs of disks mirrored with mdadm. The resulting /dev/mdX are LVM physical volumes and belong to a big volume-group with all our data. After the powerloss, we had the problem that one of the mdadm devices was not auto-detected due to a missing entry in mdadm.conf. As a consequence, the volumegroup had inactive logical volumes due to the missing PV. We were able to fix the mdadm config and reboot. pvscan shows all expected PVs but one LV still does not come up. vgdisplay shows: [...] Cur PV: 3 Act PV: 2 [...] Neither vgscan nor pvscan show any missing devices. What went wrong? How can we force LVM to activate all PVs?

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• How can I get sessions to work if I'm using Google App Engine + Django 1.1?

  - by user341642

  Is there a way for me to get sessions working? I know Django has built in session management, and GAE has some tools for it if you're using their watered down version of Django 0.96, but is there a way to get sessions to work if you're trying to use GAE w/ Django 1.1 (i.e. use_library() call). I assume using a db-backed session doesn't work, and a file system backed one won't work b/c we don't have access to the filesystem if we deploy to the Google production servers. This kinda worked (as in didn't crap out) when I used SessionMiddleware backed by a local-memory backed cache and a non-persistent cache (i.e. setting SESSION_ENGINE to django.contrib.sessions.backends.cache). But the session never seems to persist in this case, no matter how I set the timeouts. A new session key is generated on every page reload. Maybe this is b/c the GAE assumes complete statelessness with each request and blows away my local cache? Apologies in advance, I'm pretty new to Python. Any suggestions would be greatly appreciated.

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• Could git do not store history of specific folders when working with git-svn?

  - by Timofey Basanov

  In short: Is there a way to disable storing full history for specific folders in git-svn repo? We have pretty large SVN repo with big checkout. I would like to migrate it to Git for my local development, because Git speeds up update and status commands orders of magnitude. When I simply do git svn clone it creates very big repo. Big enough to be bigger then my whole HDD. The problem lies in binary directories for which history is too large. Latest binaries are required for proper local build, but history is not required at all for my development process. I will never change them myself. I would like to store only latest versions for specific folders, or may be a history, but for no more than a week. I could only found filter for git svn fetch, which excludes specific folders at all. This is not exactly what I need. It's OK with me to have Cron task which deletes history from specific folders, but I do not know how to make one. Also Cron does not solve problem of first git svn clone. P.S. SVN repository structure could not be changed by any means.

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• Does RazorEngine require MVC3 to be installed?

  - by tkha007

  I am working on a web project that uses MVC2. I decided to try out RazorEngine to do some e-mail templating. This appeared to work fine when I was protyping using an MVC2 project so I assumed that RazorEngine will work fine for my e-mail templating solution. What I had forgotten at the time was that I actually had MVC3 installed on my local development machine. After deploying the project on a pre-test server I get the following error in the logs when the application attempts to do anything with RazorEngine: Could not load file or assembly 'System.Web.Razor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified. File name: 'System.Web.Razor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' at RazorEngine.Compilation.DefaultCompilerServiceFactory.CreateCompilerService(Language language) at RazorEngine.Templating.TemplateService.CreateTemplateType(String razorTemplate, Type modelType) at RazorEngine.Templating.TemplateService.CreateTemplate[T](String razorTemplate, T model) at RazorEngine.Templating.TemplateService.Parse[T](String razorTemplate, T model) at RazorEngine.Razor.Parse[T](String razorTemplate, T model) at System.Dynamic.UpdateDelegates.UpdateAndExecute3[T0,T1,T2,TRet](CallSite site, T0 arg0, T1 arg1, T2 arg2) at Persistence.Utility.RazorEngineHelper.Parse(String templateName, Object model) in The fact that it can't find 'System.Web.Razor' means that this DLL does not exist on the deployed server. The only difference I can think of between the deployment server and my local dev machine is that the deployment server does not have MVC3 installed but I may be mistaken because the deployment server is not something I normally control and as such I don't have a lot of information about it. It is meant to host this particular application so there have been previous deployments of this application to this server. This is the first time I'm making a deployment with RazorEngine as a dependency.

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• Oracle clients dead wait

  - by Macroideal

  hi all friends I meet a problem yesterday. Maybe it's because it is April 1st... but it did exist. I have 3 PCs in remote area, two clients and one oracle server. My app is running separately in the two clients, connecting hourly to the oracle database. My clients worked well before April 1st, but suddenly my app in the client machines went down. Firstly, I did not change any configurations. I used libsqlora8 to connect to the server. I went into a dead loop in the library. I tried sqlplus, but it is dead there in my shell terminal, like it meets an infinite loop: no return until i pressed ctrl + c. The reason I guess is an "infinite loop" somewhere. BTW, when I used my local PC to connect the server, it worked well. Just from this phenomenon, we can see the problem lies in the client machine. I checked the configuration file both in local machine and client machines -they are identical Have you met a problem like this? I hope it's not due to April 1st.

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• Windows 7 Extend C Volume to Unallocated Space

  - by user327777

  a while back I installed Ubuntu and then later uninstalled it by I think deleting the partitions and recovering the windows 7 boot loader. I am not that experienced with partitioning yet. As you can see here there are two partitions that are now unallocated. The 9gb one is a recovery or something that came with the computer. How can I extend my C partition to use both of those? I do not want to have that much storage just wasted sitting there. Currently when I right click on C and hit extend the wizard pops up but there is no available space to extend. http://i.imgur.com/VxEkdyR.png http://i.imgur.com/DdFZWX9.png Thanks everyone!

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• PHP Mail() not working on remote server

  - by Amaerth

  I am developing an application and have been testing the mail() function in PHP. The following works just fine on my local machine to send emails to myself, but as soon as I try to send it from the testing environment to my local machine, it silently fails. I will still get the "Mail Sent" message, but no message is sent. I turned on the mail logging in the php.ini file, but even that doesn't seem to be populated after I refresh the page. Again, the .php files and php.ini files are identical in both environments. Port 25 has been opened on the testing environment, and we are using a Microsoft Exchange server. <?php $to = "[email protected]"; $subject = "Test mail"; $message = "Hello! This is a simple email message."; $from = "[email protected]"; $headers = "From:" . $from; mail($to,$subject,$message,$headers); echo "Mail Sent."; ?> SMTP area of the php.ini file: [mail function] ; For Win32 only. ; http://php.net/smtp SMTP = exhange.server.org ; http://php.net/smtp-port smtp_port = 25 ; For Win32 only. ; http://php.net/sendmail-from sendmail_from = [email protected]

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• Common block usage in Fortran

  - by Crystal

  I'm new to Fortran and just doing some simple things for work. And as a new programmer in general, not sure exactly how this works, so excuse me if my explanation or notation is not the best. At the top of the .F file there are common declarations. The person explaining it to me said think of it like a struct in C, and that they are global. Also in that same .F file, they have it declared with what type. So it's something like: COMMON SOMEVAR INTEGER*2 SOMEVAR And then when I actually see it being used in some other file, they declare local variables, (e.g. SOMEVAR_LOCAL) and depending on the condition, they set SOMEVAR_LOCAL = 1 or 0. Then there is another conditional later down the line that will say something like IF (SOMEVAR_LOCAL. eq. 1) SOMEVAR(PARAM) = 1; (Again I apologize if this is not proper Fortran, but I don't have access to the code right now). So it seems to me that there is a "struct" like variable called SOMEVAR that is of some length (2 bytes of data?), then there is a local variable that is used as a flag so that later down the line, the global struct SOMEVAR can be set to that value. But because there is (PARAM), it's like an array for that particular instance? Thanks. Sorry for my bad explanation, but hopefully you will understand what I am asking.

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• Is it possible to reference remote content from chrome.manifest? (XULRunner)

  - by siemaa

  Hi, I have a xulrunner application and I've been trying to reference remote content from chrome.manifest file. Tt's an application for the company I work in; it's run on a number of computers (most of them are used by other employees as well) as a kind of an internet monitoring service. The problem I'd like to solve is this: updating the code of such application usually requires me to manually copy the modified files to every computer that the application is running on (I've had no luck trying to make automatic updates via xulrunner platform). This process has become very tedious. What I'd like to have is a web server, where all of the xul and js files would be accessible, so that every application could reference them from there. This would require me only to update the code on that server, and the applications (when restarted) would automatically get the latest code. What I managed to do: I can reference js scripts from a xul file using http based urls and everything works fine (I can use local, binary components etc.), although the xul file has to be local - that I'd like to change. But when I write in chrome.manifest a line like: content my_app http://path/to/app/files/ and then use the line in default/preferences/pref.js pref("toolkit.defaultChromeURI", "chrome://my_app/content/my_app.xul"); it just opens a console window (to test I manually run the application with the -console option) and no code gets executed. The file can be downloaded remotely using wget so I guess this isn't the web server issue. The applications work on Windows machines. Is there some kind of security issue causing such behavior or am I doing something wrong? Is it even possible to register remote, http based content as chrome?

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• Clustered Graphs Visualization Techniques

  - by jameszhao00

  I need to visualize a relatively large graph (6K nodes, 8K edges) that has the following properties: Distinct Clusters. Approximately 50-100 Nodes per cluster and moderate interconnectivity at the cluster level Minimal (5-10 inter-cluster edges per cluster) interconnectivity between clusters Let global edge overlap = The edge overlaps caused by directly visualizing a graph of Clusters = {A, B, C, D, E}, Edges = {Pentagram of those clusters, which is non-planar by the way and will definitely generate edge overlap if you draw it out directly} Let Local Edge Overlap = the above but { A, B, C, D, E } are just nodes. I need to visualize graphs with the above in a way that satisfies the following requirements No global edge overlap (i.e. edge overlaps caused by inter-cluster properties is not okay) Local edge overlap within a cluster is fine Anyone have thoughts on how to best visualize a graph with the requirements above? One solution I've come up with to deal with the global edge overlap is to make sure a cluster A can only have a max of 1 direct edge to another cluster (B) during visualization. Any additional inter-cluster edges between cluster A - C, A - D, ... are disconnected and additional node/edges A - A_C, C - C_A, A - A_D, D - D_A... are created. Anyone have any thoughts?

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• Is there good FAT driver for FUSE? (Lightweight, not mountlo)

  - by Vi.

  FUSE filesystem list show some FuseFat and FatFuse. Both are old, FatFuse is read-only , FuseFat is non-buildable and probably depends on glib. Now I'm using mountlo for the task (mounting USB drives in generic way without root access or suid things (except of fusermount itself)), but it looks too big for such task. Using FUSE to mount external storage devices is good both for security and for flexibility reason: the kernel sees only block reads and writes while actual code that deals with filesystem details runs with user privileges, allowing user to use custom filesystems and preventing from kernel filesystem exploits. Is there good vfat FUSE driver?

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• WPF: Trying to add a class to Window.Resources Again

  - by user3952846

  I did exactly the same thing, but still the same error is occurring: "The tag 'CenterToolTipConverter' does not exist in XML namespace 'clr-namespace:WpfApplication1;assembly=WpfApplication1'. Line 12 Position 10." CenterToolTipConverter.cs namespace WpfApplication1 { public class CenterToolTipConverter : IMultiValueConverter { public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture) { if (values.FirstOrDefault(v => v == DependencyProperty.UnsetValue) != null) { return double.NaN; } double placementTargetWidth = (double)values[0]; double toolTipWidth = (double)values[1]; return (placementTargetWidth / 2.0) - (toolTipWidth / 2.0); } public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture) { throw new NotSupportedException(); } } } MainWindow.xaml <Window x:Class="WpfApplication1.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:WpfApplication1;assembly=WpfApplication1" Title="MainWindow" Height="350" Width="525"> <Window.Resources> <local:CenterToolTipConverter x:Key="myCenterToolTipConverter"/> </Window.Resources> </Window> What am I doing wrong? Thanks in advance!!!

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• mongodb eating 48G in 1min

  - by ledy

  In mongodb i work with this collection: Size 55.93g Data Size 39.82g Storage Size 41.08g Extents 53 Indexes 4 Index Size 9.64g It takes few seconds of mongdb being up with this single collection and all 48GB RAM on the dedicated server are gone. That's worse because there is also a mysqld+nginx/fcgi on this machine which should be allowed to use at least 24GB together. I.e. remaining 24GB, enough for the mongod! However, it does not share in a fair way. Everybody says that the memory for mongod is managed by OS and releases unneccessary space for other processes if they demand RAM. On my machine it is not releasing RAM. What's wrong? free total used free shared buffers cached` Mem: 49559136 49403908 155228 0 57284 47247564 -/+ buffers/cache: 2099060 47460076 Swap: 8008392 164 8008228

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• Server spec for a small business [duplicate]

  - by I'll-Be-Back

  This question already has an answer here: Can you help me with my capacity planning? 2 answers I will need to buy a decent server for Windows Server 2012 and Linux for Web server (Internal use only - Intranet). I will install ESXi with 2 or 3 VM's. There will be about 80-100 Agents at work, they will login (domain controller) on client PC in the morning (between 9:40am to 10:05am). They can only use IE browser and everything else will be locked. They will not have any storage space, no email, etc. Is this spec decent enough? 2u Supermicro 825 chassis, X9SCL-F x1 Intel E3-1290v2 16Gb DDR3 x2 Intel 520 Series 240Gb x2 2Tb Seagate Barracuda, LSi 4 port SAS raid controller

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• How to get around OS X Lion Server SMB "safe save"?

  - by borrrden

  First, there is this problem: http://support.apple.com/kb/TS4149 Which says that anything copied to os x server via smb will be "safe saved" and essentially chmod to 600. This is extremely annoying and counterproductive to having a share server... I did what the article said, but nothing has changed. It is very vague about how to actually set the ACL permissions, but I think I did that via Server.app - hardware - storage - edit permissions. I added (in addition to other things): Guests - Read & Write Others - Read & Write Actually every entry is read and write, but despite this...it is still chmod to 600 when I try to copy a file via SMB. Where else should I look to solve this madness? Alternatively, how can I get rid of this crappy SMB and put back the original SMB? I tried SMBUp but it just fails to start the service every time...

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• vSphere 4 - how can I cancel a file copy in progress?

  - by DrStalker

  VMware vSphere 4 SAN storage with multiple data-stores No vCenter I shut-down a virtual machine and using the data-store browser did a copy/paste to copy the VM to a new datastore with additional space. The file copy performance was very poor, and due to time constraints I decided to cancel the copy task. However the copy task showing in the vsphere client can not be cancelled; the cancel option is disabled. Currently I am not able to start the machine in it's original location as the disk files are locked for the copy. How can I abort the copy? I tried deleting the target directory but this did not abort the copy task.

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• SQL and IIS HDDs configuration on server

  - by john_1234

  Hi, I've just added a new production server and I was wondering if you guys could help me decide which configuration suits best. Current configuration: 40GB ~ C (System) 250GB ~ D (SQL - MDF & LDF) 250GB ~ F (IIS) 1TB ~ E (storage of users' files) (note: C and D are partitions on the same physical HDD) I've heard splitting LDF/MDF can do magic in terms of performance. Therefore, the core of my question is how would you recommend to do so. For example, putting the MDF with the IIS is an option, yet I'm not so sure about it.

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• Powershell wait for file to delete, then copy a folder

  - by user3317623

  Morning guys, I have a couple of scripts that have to sync a folder from the network server, to the local terminal server, and lastly into the %LOCALAPPDATA%. I need to first check if a folder is being synced (this is done by creating a temporary COPYING.TXT on the server), and wait until that is removed, THEN copy to %LOCALAPPDATA%. Something like this: Server-side script executes, which syncs my folder to all of my terminal servers. It creates a COPYING.TXT temporary file, which indicates the sync is in progress. Once the sync is finished, the script removes the COPYING.TXT If someone logs on during the sync, I need a script to wait until the COPYING.TXT is deleted I.E the sync is finished, then resume the local sync into their %LOCALAPPDATA%. do{cp c:\folder\program $env:LOCALAPPDATA} while(!(test-path c:\folder\COPYING.txt)) (So that copies the folder while the file DOESN'T exist, but I don't think that exits cleanly) I cannot format the above as code for some reason I'm sorry? Or: while(!(test-path c:\folder\COPYING.txt)){ cp c:\folder\program $env:LOCALAPPDATA\ -recurse -force if (!(test-path c:\folder\program)){return} } But that script quits if the COPYING.TXT exists. I think I need to create a function and insert that function within itself, or a nested while loop, but that is starting to make my head hurt. Any help would be greatly appreciated. Thanks guys.

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• How can I bind the second argument in a function but not the first (in an elegant way)?

  - by Frank Osterfeld

  Is there a way in Haskell to bind the second argument but not the first of a function without using lambda functions or defining another "local" function? Example. I have a binary function like: sub :: Int -> Int -> Int sub x y = x - y Now if I want to bind the first argument, I can do so easily using (sub someExpression): mapSubFrom5 x = map (sub 5) x *Main> mapSubFrom5 [1,2,3,4,5] [4,3,2,1,0] That works fine if I want to bind the first n arguments without "gap". If I want to bind the second argument but not the first, the two options I am aware of are more verbose: Either via another, local, function: mapSub5 x = map sub5 x where sub5 x = sub x 5 *Main> mapSub5 [1,2,3,4,5] [-4,-3,-2,-1,0] Or using lambda: mapSub5 x = map (\x -> sub x 5) x While both are working fine, I like the elegance of "sub 5" and wonder if there is a similarly elegant way to bind the n-th (n 1) argument of a function?

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