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  • Webservice connection data storage

    - by Mey
    Hello, I would like to ask you how can i implement the next: I have a tabBar where each tab make one different connection to one web service, and should show a different data. I would like to save this data "somewhere" and from it place load the different tabs. Where i should save this received data? Thank you, Best regards

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  • Physical storage of data in Access 2007

    - by ste
    I've been trying to estimate the size of an Access table with a certain number of records. It has 4 Longs (4 bytes each), and a Currency (8 bytes). In theory: 1 Record = 24 bytes, 500,000 = ~11.5MB However, the accdb file (even after compacting) increases by almost 30MB (~61 bytes per record). A few extra bytes for padding wouldn't be so bad, but 2.5X seems a bit excessive - even for Microsoft bloat. What's with the discrepancy? The four longs are compound keys, would that matter?

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  • Using AWS S3 for photo storage

    - by Sam
    I'm going to be using S3 to store user uploaded photos. Obviously, I wont be serving the image files to user agents without resizing them down. However, not one size would do, as some thumbnails will be smaller than other larger previews. So, I was thinking of making a standard set of dimensions scaling from the lowest 16x16 to some highest 1024x1024. Is this a good way to solve this problem? What if I need a new size later on? How would you solve this?

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  • Objects with inheritance memory storage

    - by nikitas350
    Say that i have some classes like this example. class A { int k, m; public: A(int a, int b) { k = a; m = b; } }; class B { int k, m; public: B() { k = 2; m = 3; } }; class C : private A, private B { int k, m; public: C(int a, int b) : A(a, b) { k = b; m = a; } }; Now, in a class C object, are the variables stored in a specific way? I know what happens in a POD object, but this is not a POD object...

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  • C - Error with read() of a file, storage in an array, and printing output properly

    - by ns1
    I am new to C, so I am not exactly sure where my error is. However, I do know that the great portion of the issue lies either in how I am storing the doubles in the d_buffer (double) array or the way I am printing it. Specifically, my output keeps printing extremely large numbers (with around 10-12 digits before the decimal point and a trail of zeros after it. Additionally, this is an adaptation of an older program to allow for double inputs, so I only really added the two if statements (in the "read" for loop and the "printf" for loop) and the d_buffer declaration. I would appreciate any input whatsoever as I have spent several hours on this error. #include <stdio.h> #include <fcntl.h> #include <sys/types.h> #include <unistd.h> #include <string.h> struct DataDescription { char fieldname[30]; char fieldtype; int fieldsize; }; /* ----------------------------------------------- eof(fd): returns 1 if file `fd' is out of data ----------------------------------------------- */ int eof(int fd) { char c; if ( read(fd, &c, 1) != 1 ) return(1); else { lseek(fd, -1, SEEK_CUR); return(0); } } void main() { FILE *fp; /* Used to access meta data */ int fd; /* Used to access user data */ /* ---------------------------------------------------------------- Variables to hold the description of the data - max 10 fields ---------------------------------------------------------------- */ struct DataDescription DataDes[10]; /* Holds data descriptions for upto 10 fields */ int n_fields; /* Actual # fields */ /* ------------------------------------------------------ Variables to hold the data - max 10 fields.... ------------------------------------------------------ */ char c_buffer[10][100]; /* For character data */ int i_buffer[10]; /* For integer data */ double d_buffer[10]; int i, j; int found; printf("Program for searching a mini database:\n"); /* ============================= Read in meta information ============================= */ fp = fopen("db-description", "r"); n_fields = 0; while ( fscanf(fp, "%s %c %d", DataDes[n_fields].fieldname, &DataDes[n_fields].fieldtype, &DataDes[n_fields].fieldsize) > 0 ) n_fields++; /* --- Prints meta information --- */ printf("\nThe database consists of these fields:\n"); for (i = 0; i < n_fields; i++) printf("Index %d: Fieldname `%s',\ttype = %c,\tsize = %d\n", i, DataDes[i].fieldname, DataDes[i].fieldtype, DataDes[i].fieldsize); printf("\n\n"); /* --- Open database file --- */ fd = open("db-data", O_RDONLY); /* --- Print content of the database file --- */ printf("\nThe database content is:\n"); while ( ! eof(fd) ) { /* ------------------ Read next record ------------------ */ for (j = 0; j < n_fields; j++) { if ( DataDes[j].fieldtype == 'I' ) read(fd, &i_buffer[j], DataDes[j].fieldsize); if ( DataDes[j].fieldtype == 'F' ) read(fd, &d_buffer[j], DataDes[j].fieldsize); if ( DataDes[j].fieldtype == 'C' ) read(fd, &c_buffer[j], DataDes[j].fieldsize); } double d; /* ------------------ Print it... ------------------ */ for (j = 0; j < n_fields; j++) { if ( DataDes[j].fieldtype == 'I' ) printf("%d ", i_buffer[j]); if ( DataDes[j].fieldtype == 'F' ) d = d_buffer[j]; printf("%lf ", d); if ( DataDes[j].fieldtype == 'C' ) printf("%s ", c_buffer[j]); } printf("\n"); } printf("\n"); printf("\n"); } Post edits output: 16777216 0.000000 107245694331284094976.000000 107245694331284094976.000000 Pi 33554432 107245694331284094976.000000 2954938175610156848888276006519501238173891974277081114627768841840801736306392481516295906896346039950625609765296207682724801406770458881439696544971142710292689518104183685723154223544599940711614138798312668264956190761622328617992192.000000 2954938175610156848888276006519501238173891974277081114627768841840801736306392481516295906896346039950625609765296207682724801406770458881439696544971142710292689518104183685723154223544599940711614138798312668264956190761622328617992192.000000 Secret Key 50331648 2954938175610156848888276006519501238173891974277081114627768841840801736306392481516295906896346039950625609765296207682724801406770458881439696544971142710292689518104183685723154223544599940711614138798312668264956190761622328617992192.000000 -0.000000 -0.000000 The number E Expected Output: 3 rows of data ending with the number "e = 2.18281828" To reproduce the problem, the following two files need to be in the same directory as the lookup-data.c file: - db-data - db-description

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  • iOS AS3 AIR local storage

    - by Kere Puki
    I am developing an app which requires a SQL DB on the device. I am using the File.applicationStorageDirectory and folder.resolvePath to add a new DB. When debugging the app it all looks like it executes correctly and I am able to successfully create a new table. I haven't gone too far with inserting and reading records however I just wanted to ask, when I re-run the app does the existing DB file get replaced with a new empty one? If so do I need to check if the file exists etc. How can I look at the DB on the device (iOS at this stage)? Thanks

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  • Java reference storage question

    - by aab
    In java, when you pass an object to a method as a parameter, it is actually passing a reference, or a pointer, to that object because objects in Java are references. Inside the function, it has a pointer to that object which is a location in memory. I am wondering where this pointer lives in memory? Is a new memory location created once inside the function to hold this reference?

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  • /etc/resolv.conf nameserver fd00::1

    - by user88631
    My /etc/resolv.conf constantly get a mysterious entry, i run a home network with ipv6 provided by ravd, the interface is auto-configured by Network manager (all name server lookups are lost when this line is first in my /etc/resolv.conf) . Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) **# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN** nameserver fd00::1 nameserver 192.168.1.1 search home.int When ping is working cat /etc/resolv.conf # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN nameserver 192.168.1.1 search home.int So something is putting fd00::1 at start of file, not if I ping6 fd00::1 I get Destination unreachable: Administratively prohibited To diagnose this I ran the router with single cable to connected to ubuntu machine. Ran tcpdump + restarted network on ubuntu. "tcpdump ip6 -e -i eth0 | grep fd00" finds nothing, it's not being advertised via the network.. The only hit I got was when an upstream router refused a connection attempt from the ubuntu machine to fd00::1. I have also switched on debug for network manager & it appears to set the mystery line.. 15:22:14 storage-pc NetworkManager[349]: <info> Activation (eth0) Stage 5 of 5 (IPv4 Commit) complete. 15:22:14 storage-pc NetworkManager[349]: <warn> dnsmasq exited with error: Other problem (5) 15:22:14 storage-pc NetworkManager[349]: <debug> [1346822534.281528] [nm-dns-manager.c:598] update_dns(): updating resolv.conf 15:22:14 storage-pc NetworkManager[349]: <debug> [1346822534.281875] [nm-dns-manager.c:719] update_dns(): DNS: plugin dnsmasq ignored (caching disabled) 15:22:14 storage-pc NetworkManager[349]: <info> ((null)): writing resolv.conf to /sbin/resolvconf 15:22:14 storage-pc dbus[2184]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' 15:22:14 storage-pc dnsmasq[2875]: reading /etc/resolv.conf 15:22:14 storage-pc dnsmasq[2875]: using nameserver 192.168.1.1#53 15:22:14 storage-pc dnsmasq[2875]: using nameserver fd00::1#53 Any suggestions on how to find out where this comes from?

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  • How to auto-scan any plugged in usb storage device with clamav?

    - by ossi
    I'd like to do an automatic virus scan on any plugged in usb device using ClamAV. I'm using Ubuntu 12.04. The closest thing I found was: Run clamav on mount of flashdrive How to run a shell script when a new USB storage device is detected? The first one is not working for me and the second one seems to target a known device. Is there a tutorial around I've missed? Or can I get some help with udev rules that apply to any usb storage device added? Currently nothing seems to do anything.

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  • Need to set up shared storage for Guest virtual machines that are running on a Xen host

    - by Sajith
    My environment: I am doing these things at home with the purpose of learning about virtualization techniques. My machine have quad core processor that supports Intel-VT and 8GB RAM. XEN is the virtualization platform. In short, all domUs are LVM based. Mainly I have two questions; I need to have shared storage for these VMs. Something like NFS / NAS / iSCSI etc. However, I don't know which one is the best solution. Therefore, can someone tell me which suits best? Please note that, this shared storage need to be accessed by the other physical machines in the network. How to implement the selected solution for question #1? Any tutorials / guidelines / ebooks will be a great help and highly appreciated. Thank you in advance :)

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  • T-SQL Snack: How Much Free Storage Space is Available?

    - by andyleonard
    Introduction Ever have a need to calculate the total available storage space for a server? Recently I did. Here's a solution I came up with - I bet someone can do this better! xp_fixeddrives There's a handy stored procedure called xp_fixeddrives that reports the available storage space: exec xp_fixeddrives This returns: drive MB free ----- ----------- C 6998 E 201066 Problem solved right? Maybe. The Sum What I really want is the sum total of all available space presented to the server. I built this...(read more)

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  • Google renforce la sécurité de ses services hébergés avec l'authentification basée sur les certificats pour Cloud Storage, Prediction API

    Google renforce la sécurité de ses services hébergés avec l'authentification basée sur les certificats pour Cloud Storage, Prediction API, URL Shortener Google a apporté une mise à jour à ses services Cloud pour les développeurs en renforçant la sécurité de ceux-ci. Les services hébergés de la firme pourront désormais communiquer avec des applications qui utilisent des comptes de service basés sur les certificatifs pour l'authentification. Ainsi, la requête d'une application Web au service Google Cloud Storage pourra par exemple être authentifiée par un certificat ou lieu d'une clé partagée. Les certificats de sécurité offrent une méthode d'authentification plus renforc...

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  • Error mounting CloudDrive snapshot in Azure

    - by Dave
    Hi, I've been running a cloud drive snapshot in dev for a while now with no probs. I'm now trying to get this working in Azure. I can't for the life of me get it to work. This is my latest error: Microsoft.WindowsAzure.Storage.CloudDriveException: Unknown Error HRESULT=D000000D ---> Microsoft.Window.CloudDrive.Interop.InteropCloudDriveException: Exception of type 'Microsoft.WindowsAzure.CloudDrive.Interop.InteropCloudDriveException' was thrown. at ThrowIfFailed(UInt32 hr) at Microsoft.WindowsAzure.CloudDrive.Interop.InteropCloudDrive.Mount(String url, SignatureCallBack sign, String mount, Int32 cacheSize, UInt32 flags) at Microsoft.WindowsAzure.StorageClient.CloudDrive.Mount(Int32 cacheSize, DriveMountOptions options) Any idea what is causing this? I'm running both the WorkerRole and Storage in Azure so it's nothing to do with the dev simulation environment disconnect. This is my code to mount the snapshot: CloudDrive.InitializeCache(localPath.TrimEnd('\\'), size); var container = _blobStorage.GetContainerReference(containerName); var blob = container.GetPageBlobReference(driveName); CloudDrive cloudDrive = _cloudStorageAccount.CreateCloudDrive(blob.Uri.AbsoluteUri); string snapshotUri; try { snapshotUri = cloudDrive.Snapshot().AbsoluteUri; Log.Info("CloudDrive Snapshot = '{0}'", snapshotUri); } catch (Exception ex) { throw new InvalidCloudDriveException(string.Format( "An exception has been thrown trying to create the CloudDrive '{0}'. This may be because it doesn't exist.", cloudDrive.Uri.AbsoluteUri), ex); } cloudDrive = _cloudStorageAccount.CreateCloudDrive(snapshotUri); Log.Info("CloudDrive created: {0}", snapshotUri, cloudDrive); string driveLetter = cloudDrive.Mount(size, DriveMountOptions.None); The .Mount() method at the end is what's now failing. Please help as this has me royally stumped! Thanks in advance. Dave

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  • javascript toolkit for offline webapps

    - by anjanb
    hi all, we're building an survey webapp which will let the user to add new records to the survey when offline and will upload when the browser reconnects with the server. We've identified that this will need offline storage and hence google gears seems to be an obvious choice (we understand that adobe Flash has Offline Storage but not sure if that is the best way). I am aware of Dojo offline javascript toolkit which uses google gears for the underlying functionality. However, dojo offline is not part of the dojo toolkit after version 1.3. (currently dojo is 1.4.2). Google gears toolkit is currently frozen except for critical vulnerability fixes (it has not been updated almost for the last 1 yr) because they think that HTML 5 is the way to go ahead. Hence, we're looking for a higher abstraction on top of Google Gears engine TODAY, AND which will (in the future) switch the underlying engine to HTML5 if the browser supports HTML5 standards. We'd love to use Dojo but they have discontinued Dojo offline -- we'd prefer something that will be maintained for some time. Which are possible good strategies, JS toolkits/libraries to use for building this webapp ? Pls. advise.

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  • What is the best SOHO NAS currently available?

    - by VinceJS
    What is the "best" Small Office Home Office (SOHO) Network Attached Storage (NAS) device available? Best performance vs. cost that is! I am looking for one that I can use at home to safely store my pictures, videos. What features should I look for? There are so many NAS reviews on the web, how do you choose the right one?

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  • MySql, InnoDB & Null Values

    - by pws5068
    Formerly I was using MyISAM storage engine for MySql and I had defined the combination of three fields to be unique. Now I have switched to InnoDB, which I assume caused this problem, and now NULL != NULL. So for the following table: ID (Auto) | Field_A | Field_B | Field_C I can insert (Field_A,Field_B,Field_C) Values(1,2,NULL) (1,2,NULL) (1,2,NULL) infinitely many times. How can I prevent this behavior?

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  • Building a community photography site, where can I store my photos online?

    - by thanos panousis
    I am in the process of laying down the requirements for a photography community site. An important feature to investigate would be allowing more fotos/account than rival sites around my country's internet. What are the possibilities out there? Should I go for something like amazon S3, or is there anything that offers more image-related features? I am mostly interested in low price per GB (storage and transfer out).

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  • localStorage not working in IE9 and Firefox

    - by maha
    I am working with localStorage. My code is perfectly working in Chrome, but not in IE9 and Firefox. Here is the code: document.addEventListener("DOMContentLoaded", restoreContents, false); document.getElementsByTagName("body")[0].onclick=function(){saveContents('myList','contentMain', event, this);}; function amIclicked(e, eleObject) { alert("amIClicked"); e = e || event; var target = e.target || e.srcElement; alert("target = " + target.id); if(target.id=='pageBody' || target.id=='Save') return true; else return false; } function saveContents(e, d, eveObj, eleObject) { //alert("saveContents"); if (amIclicked(eveObj, eleObject)) { var cacheValue = document.getElementById(e).innerHTML; var cacheKey = "key_" + selectedKey; var storage = window.localStorage; //alert ("cacheKey = " + cacheKey + " ,cacheValue = " + cacheValue); if(typeof(Storage)!=="undifined"){ localStorage.setItem("cacheKey","cacheValue"); } //alert ("Saved!!"); var dd = document.getElementById(d); //document.getElementById("contentMain").style.display == "none"; dd.style.display = "none"; } } function restoreContents(e,k) { //alert("test"); if(k.length < 1) { return; } var mySavedList = localStorage["key_" + k]; if (mySavedList != undefined) { document.getElementById(e).innerHTML = mySavedList; } } <a onclick="ShowContent('contentMain','myList','Sample_1'); return true;" href="#" >Sample 1</a><br/><br/> <a onclick="ShowContent('contentMain','myList','Sample_2'); return true;" href="#" >Sample 2</a><br/><br/> <div style="display:none;display:none;position:absolute;border-style: solid;background-color: white;padding: 5px;"id="contentMain"> <ol id="myList" contenteditable="true"> <li>Enter Content here</li> </ol> <!--<input id="editToggleButton" type="button" value="Edit"/>--> </div> When I debugging in Iexplore Iam getting the error as SCRIPT5007: Unable to get value of the property 'length': object is null or undefined sample_1.html, line 157 character 3 Thanks

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  • Making many network shares appear as one

    - by jimbojw
    Givens: disk is cheap, and there's plenty lying around on various computers around the corporate intranet redundant contiguous large storage volumes are expensive Problem: It would be fantastic to have a single entry point (drive letter, network path) that presents all this space as one contiguous filesystem, effectively abstracting the disk and network architecture from the paths presented to users. Does anyone know how to implement such a solution? I'm open to Windows and non-windows solutions, free and proprietary.

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  • Virtual Machines List from PowerShell vs PowerShell ISE and PowerGUI

    - by slybloty
    I am confused to why I have different information based on where I try to retrieve it from. I have 3 Windows 2012 servers (G0, G1, and G2) running Hyper-V. The following situation is captured from one server which I use to run scripts and control the others. What I'm trying to do is to get a list of the virtual machines in existence on these 3 machines: Using PowerGUI and PowerShell ISE: PS > Get-VMHost | select name Name ---- G0.nothing.com G2.nothing.com G1.nothing.com PS > Get-VMHost | Get-VM | select name Name ---- VM1628856-4 VM1628856-2 VM1628856-6 VM1628856-3 VM1628856-1 VM1628856-5 Using PowerShell: PS > Get-VMHost | select name Name ---- G0 PS > Get-VM Name State CPUUsage(%) MemoryAssigned(M) Uptime Status ---- ----- ----------- ----------------- ------ ------ VM1107610-1 OffCritical 0 0 00:00:00 Cannot connect to virtual machine configuration storage VM1390728-1 OffCritical 0 0 00:00:00 Cannot connect to virtual machine configuration storage VM1393540-1 OffCritical 0 0 00:00:00 Cannot connect to virtual machine configuration storage VM1393540-10 OffCritical 0 0 00:00:00 Cannot connect to virtual machine configuration storage VM1393540-2 OffCritical 0 0 00:00:00 Cannot connect to virtual machine configuration storage VM1393540-3 OffCritical 0 0 00:00:00 Cannot connect to virtual machine configuration storage VM1393540-4 OffCritical 0 0 00:00:00 Cannot connect to virtual machine configuration storage VM1393540-5 OffCritical 0 0 00:00:00 Cannot connect to virtual machine configuration storage VM1393540-6 OffCritical 0 0 00:00:00 Cannot connect to virtual machine configuration storage VM1393540-7 OffCritical 0 0 00:00:00 Cannot connect to virtual machine configuration storage VM1393540-8 OffCritical 0 0 00:00:00 Cannot connect to virtual machine configuration storage VM1393540-9 OffCritical 0 0 00:00:00 Cannot connect to virtual machine configuration storage VM1833022-1 OffCritical 0 0 00:00:00 Cannot connect to virtual machine configuration storage My main concern is that I don't have reliable information from the 3 tools. The Hyper-V Manager application shows the same list as the PowerShell does. But if I run my scripts from the other two tools, which is what I mostly do, I don't have the same information available, therefore I can't manipulate the same VMs. I've also noticed that the Virtual Machine Manager shows the same list of VMs as the first two tools, PowerGUI and PowerShell ISE. Which information is valid? And how can I retrieve the correct list of VMs? EDIT 1 The $env:psmodulepath value: PS > $env:psmodulepath C:\Users\administrator\Documents\WindowsPowerShell\Modules; C:\Windows\system32\WindowsPowerShell\v1.0\Modules\; C:\Program Files (x86)\Microsoft SQL Server\110\Tools\PowerShell\Modules\; C:\Program Files\Microsoft System Center 2012\Virtual Machine Manager\bin\Configuration Providers\; C:\Program Files\Microsoft System Center 2012\Virtual Machine Manager\bin\psModules\; C:\Program Files (x86)\QLogic Corporation\QInstaller\Modules EDIT 2 PowerShell is using this Hyper-V module: C:\Windows\Microsoft.Net\assembly\GAC_MSIL\Microsoft.HyperV.PowerShell\v4.0_6.3.0.0__31bf3856ad364e35\Microsoft.HyperV.PowerShell.dll And PowerGUI is using this one: C:\Windows\System32\WindowsPowerShell\v1.0\Modules\Hyper-V\Hyper-V.psd1 If I try to load the module used by PowerShell onto PowerGUI I still get the same different results. How can I receive the correct information listed under Hyper-V using PowerGUI or PowerShell ISE?

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  • HP ACU shows parity initialization failed (with screenshot)

    - by lbanz
    I put in a new drive due to a hard drive failure. When the rebuild got to 100%, the controller fails and I need to reboot the server to bring it online. I had to do this about three times and it eventually finished rebuilding. But I found that it says parity initialization status failed. I've left it for a few hours but it didn't seem to reinitialize. Then I ran the insight online diagnostic tools and it reported the disk that I put in reached read/write error threshold. So I'm beginning to think that the brand new disk I put in is faulty. Before I put in the disk, the parity initialization was at a finished state. Should I replace the new disk I put in? I'm very worried as I think the parity is broken. Or is there a way to kick start the initialization process?

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