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  • Interface extension

    - by user877329
    Suppose that I have an input stream interface, which defines a method for reading data. I also have a seekable interface which defines a method for seeking. A natural way of defining a input file is then to implement both input stream and seekable. I want to construct a data decoder from the input stream interface so I can read data from a file or from another stream. The problem is that I also want to implement seek functionality to the data decoder, since I want to be able to step individual records not raw bytes. This is not possible if I only provide an input stream, which does not have the bytewise seek method. Should I skip the seekable interface and add the seek method to input stream instead and force all streams to at least leave it as a nop.

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  • Recovering corrupted VB.NET Form file?

    - by Omega
    Good day. This question is directly related to this one I made here: http://stackoverflow.com/questions/4911099/there-is-no-editor-available-for-form1-vb-error There, I was working on my VB.NET 2010 Express application, I saved, then a blackout came and now, apparently, I can't view the designer nor code of my Form file (Form1.vb). On StackOverflow, I was recommended to check for the From1.vb file, and try to open it on Notepad. If nothing appeared, it would mean that my file was corrupted. I open it on Notepad, and I get a blank file. It is 27kb, but it only has blank spaces. So I assume it is corrupted. I was told this place was better for dealing with corrupted files, about techniques to recover them. I use Windows7, VB.NET 2010 Express. I run Windows7 on Parallels Desktop, Mac OS X. However, I do not believe that is the problem, most likely it was that damned blackout... this is the first time that happens to me. VB.NET worked just fine for me all time (about a month and half). Thank you.

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  • Linux file server for an inexperienced admin

    - by Pat
    A charity I volunteer for wants a file server for their mostly Windows machines (about five XP and 7 machines, with some Mac laptops every now and then). For the server, I have a PC with an Intel Core 2 Duo 3GHz proc, 4GB of DDR2 400MHz RAM, and a 500 GB HDD. (I should point out that they do not currently have any server - they are just using Windows to share a folder on one of the PCs.) What is a linux distro that is easy to configure for Windows file serving yet stable and secure enough to protect sensitive data without an expert sysadmin? I'm guessing that a Debian distro would probably fit the security bill, but I don't know of any tailored to novice sysadmins. Also, are there any killer apps for making this easy to administer and set up (as a Windows file server, in particular - this answer is a good example)? Would FreeNAS be sufficient? Once it's all set up, what are the minimum measures I need to take to keep the data secure? I found this somewhat helpful answer, but it's not specific to my question of just getting a secure file server up, running, and maintained.

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  • Modifying value of "Rating" column within Explorer for arbitrary file types

    - by Fake Name
    Basically, I have a large body of assorted media (text, images, flash files, archives, folders, etc...) and I'm attempting to organize it. Windows Explorer has a rating column, but there seems to be no way to modify the rating of the files short of opening them in their type-specific software (e.g. Media player, or Photo viewer). However, this does not work when the file is of an unsupported type (.rar, .swf ...), or a directory. I'd be more than willing to consider a file-manager replacement (I've alreadly looked at quite a few, Directory Opus, Total Commander, etc...), or even a solution that stores the rating metadata in a hidden file in each folder, or a separate database. The one real critical requirement is the ability to sort by rating, and being filetype-agnostic. Basically, is there any way to categorize a large collection of assorted files by rating that will work with any file type, including directories? - Ideally, there would be an easy way to add arbitrary columns to windows explorer, and edit them directly. However, there seems to be no way to do this. The rating column is the next best thing.

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  • Debugging a Visual Studio 2020 extension or addin, always gives me LoaderLock...

    - by Inferis
    Title says it all. I'm trying to write an extension for VS2010, but I get this every time: Hit F5 to start debugging A new instance of visual studio starts up I can see a bunch of DLLs loading in the debug host while the new instance is starting It then fails with a "LoaderLock". When I continue after that, the new instance is fully functional, but there's no debugging happening at all. The same happens when creating an addin. Any clues?

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  • Grabbing current URL and setting it to Textbox in the HTML frame using Google Chrome extension.

    - by devdreamers
    Hi all, Question says it all, dividing it into two parts: 1- Grabbing url when chrome extension is clicked, of current tab(on focus) - CHROME SPECIFIC. 2- Setting the same in a Textbox value, in one of frames of web page.Which means, the textbox resides in a.html where on webpage it's <frame src="a.html"> -CHROME/JAVASCRIPT/HTML specific. Please help, with either/both parts. Thanks so much.Appreciate it.

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  • Impossible to use ref and out in Extension methods?

    - by Hun1Ahpu
    Why is it forbidden to call Extension method with ref modifier? This one is possible: public static void Change(ref TestClass testClass, TestClass testClass2) { testClass = testClass2; } And this one not: public static void ChangeWithExtensionMethod(this ref TestClass testClass, TestClass testClass2) { testClass = testClass2; } But why?

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  • Using Office 2007 extension (i.e. docx) for skin based On-Screen keyboard.

    - by Peymankh
    Hi guys, I'm creating a On-Screen keyboard for my application, and it supports skins as well. Here's what I'm doing with the skins, I have a folder which contains some images and a xml file which maps the images to the keyboard, I want to be able to have the folder as a zip file like in Office 2007 (.docx) and iPhone firmwares (.ipsw), I know I can simply zip the folder and change the extension, what I need to know is how to read the files in the code. Thanks in advance.

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  • can't access to an extension method with UrlHelper parameter in controller! Vice versa in view have

    - by Sadegh
    why defined extension method with UrlHelper don't added in Url.EXTENSIONMETHOD when i want to use it in controller! but i have access to it in view? public static string Home(this UrlHelper helper) { return helper.RouteUrl("ABC", new { controller = "ABC", Action = "Default" }); } i haven't access: public ActionResult Default() { return Redirect(Url.Home()); } i have access in view: <a href="<%=Url.Home() %>" title="Hello">Hello</a>

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  • FF extension. how to show data extracted in a javascript function to the dropdown menu in the browse

    - by encryptor
    I am developing a ff extension. On one menupopup, the onpopupshowing calls a javascript function. Tha JS function extracts a list of names. Now these names have to be displayed in the same popup. How can i get this? Basically i will need to pass the data (just as we use beans in java) to the browser from the JS function. The data can change everytime the popup is called.

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  • Convert file from VOC to MP3

    - by Thomas
    I would like to convert a sound file (from a digital voice recorder) with the extension .voc to an .mp3 file or some other common sound files. I am on Windows 7 64 bit. I have tried the program voc2wav but it gives me an error message saying that the program isn't 64 bit. The program has to be free and able to run without installing. (The voice recorder did come with a program that I could install, but I would like to avoid that).

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  • Ruby: Is there a better way to iterate over multiple (big) files?

    - by zxcvbnm
    Here's what I'm doing (sorry for the variable names, I'm not using those in my code): File.open("out_file_1.txt", "w") do |out_1| File.open("out_file_2.txt", "w") do |out_2| File.open_and_process("in_file_1.txt", "r") do |in_1| File.open_and_process("in_file_2.txt", "r") do |in_2| while line_1 = in_1.gets do line_2 = in_2.gets #input files have the same number of lines #process data and output to files end end end end end The open_and_process method is just to open the file and close it once it's done. It's taken from the pickaxe book. Anyway, the main problem is that the code is nested too deeply. I can't load all the files' contents into memory, so I have to iterate line by line. Is there a better way to do this? Or at least prettify it?

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  • Untrusted file not showing unblock button windows 7

    - by Stewart Griffin
    I downloaded a dll but cannot use it as it is considered untrusted. I opened it using: Notepad.exe filepath\filename:zone.identifier and it informed me that that the file was in zone 3. Despite this I do not get an unblock button in the properties page for the file. Not being able to unblock it with this button I instead changed the value in notepad and saved my changes. When I reopen the zone.identifier info it is as I left it. I have set it to both 2 (trusted) and 0 (no information), but still am unable to use the files. Any one have any ideas? If I cannot unblock the files I will investigate turning this blocking off, but as a first step I'd like to try and just unblock this one file. Note: using Windows 7 Ultimate edition. It is when using MSTest from within Visual Studio 2008 that I hit problems.

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  • How to Configure Windows Machine to Allow File Sharing with DNS Alias

    - by Michael Ferrante
    I have not seen a single article posted anywhere online that brings together all the settings one would need to do to make this work properly on Windows, so I thought I would post it here. To facilitate failover schemes, a common technique is to use DNS CNAME records (DNS Aliases) for different machine roles. Then instead of changing the Windows computername of the actual machine name, one can switch a DNS record to point to a new host. This can work on Microsoft Windows machines, but to make it work with file sharing the following configuration steps need to be taken. Outline The Problem The Solution Allowing other machines to use filesharing via the DNS Alias (DisableStrictNameChecking) Allowing server machine to use filesharing with itself via the DNS Alias (BackConnectionHostNames) Providing browse capabilities for multiple NetBIOS names (OptionalNames) Register the Kerberos service principal names (SPNs) for other Windows functions like Printing (setspn) References 1. The Problem On Windows machines, file sharing can work via the computer name, with or without full qualification, or by the IP Address. By default, however, filesharing will not work with arbitrary DNS aliases. To enable filesharing and other Windows services to work with DNS aliases, you must make registry changes as detailed below and reboot the machine. 2. The Solution Allowing other machines to use filesharing via the DNS Alias (DisableStrictNameChecking) This change alone will allow other machines on the network to connect to the machine using any arbitrary hostname. (However this change will not allow a machine to connect to itself via a hostname, see BackConnectionHostNames below). Edit the registry key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters and add a value DisableStrictNameChecking of type DWORD set to 1. Allowing server machine to use filesharing with itself via the DNS Alias (BackConnectionHostNames) This change is necessary for a DNS alias to work with filesharing from a machine to find itself. This creates the Local Security Authority host names that can be referenced in an NTLM authentication request. To do this, follow these steps for all the nodes on the client computer: To the registry subkey HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\MSV1_0, add new Multi-String Value BackConnectionHostNames In the Value data box, type the CNAME or the DNS alias, that is used for the local shares on the computer, and then click OK. Note: Type each host name on a separate line. Providing browse capabilities for multiple NetBIOS names (OptionalNames) Allows ability to see the network alias in the network browse list. Edit the registry key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters and add a value OptionalNames of type Multi-String Add in a newline delimited list of names that should be registered under the NetBIOS browse entries Names should match NetBIOS conventions (i.e. not FQDN, just hostname) Register the Kerberos service principal names (SPNs) for other Windows functions like Printing (setspn) NOTE: Should not need to do this for basic functions to work, documented here for completeness. We had one situation in which the DNS alias was not working because there was an old SPN record interfering, so if other steps aren't working check if there are any stray SPN records. You must register the Kerberos service principal names (SPNs), the host name, and the fully-qualified domain name (FQDN) for all the new DNS alias (CNAME) records. If you do not do this, a Kerberos ticket request for a DNS alias (CNAME) record may fail and return the error code KDC_ERR_S_SPRINCIPAL_UNKNOWN. To view the Kerberos SPNs for the new DNS alias records, use the Setspn command-line tool (setspn.exe). The Setspn tool is included in Windows Server 2003 Support Tools. You can install Windows Server 2003 Support Tools from the Support\Tools folder of the Windows Server 2003 startup disk. How to use the tool to list all records for a computername: setspn -L computername To register the SPN for the DNS alias (CNAME) records, use the Setspn tool with the following syntax: setspn -A host/your_ALIAS_name computername setspn -A host/your_ALIAS_name.company.com computername 3. References All the Microsoft references work via: http://support.microsoft.com/kb/ Connecting to SMB share on a Windows 2000-based computer or a Windows Server 2003-based computer may not work with an alias name Covers the basics of making file sharing work properly with DNS alias records from other computers to the server computer. KB281308 Error message when you try to access a server locally by using its FQDN or its CNAME alias after you install Windows Server 2003 Service Pack 1: "Access denied" or "No network provider accepted the given network path" Covers how to make the DNS alias work with file sharing from the file server itself. KB926642 How to consolidate print servers by using DNS alias (CNAME) records in Windows Server 2003 and in Windows 2000 Server Covers more complex scenarios in which records in Active Directory may need to be updated for certain services to work properly and for browsing for such services to work properly, how to register the Kerberos service principal names (SPNs). KB870911 Distributed File System update to support consolidation roots in Windows Server 2003 Covers even more complex scenarios with DFS (discusses OptionalNames). KB829885

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  • sudoers file cleanup and consolidation tool/script

    - by Prashanth Sundaram
    Hello All, I am curious to know what other folks out there might be using to keep the sudoers file in a sane manner. I am looking for a tool, that removes redundant entries, overlapping permissions and/or present sudoers file in a organized way(like sorting by permissions/users/Aliases). I use SVN and Confi Mgmt. tool to version control and deploy resp. Is there any add-on/plugin you would recommend/use? User_Alias RT1123 jappleseed, sjobs Host_Alias HOST_RT1123 wdc101.domain.com, wdc104.domain.com Cmnd_Alias ..... Our sudoers file is simple but a lot of entries and it needs to be cleaned up. Does anyone know/have a tool/script to fix/present it ? Thanks!

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  • Can't write to file - 'Operation not permitted' WITH sudo

    - by charliehorse55
    I am having trouble writing to a few files on an external HD. I am using it to store media files as well as my time machine backup. The drive is formatted as HFS+ Journaled, and other files on the drive can be written successfully. Additionally, the time machine backup is working perfectly. Permissions for the file: $ ls -le -@ Parks\ and\ Recreation\ -\ S01E01.avi -rw-rw-rw-@ 1 evantandersen staff 182950496 22 May 2009 Parks and Recreation - S01E01.avi com.apple.FinderInfo 32 Things I have already tried: sudo chflags -N sudo chown myusername sudo chown 666 sudo chgrp staff Checked that the file is not locked (get info in finder) Why can't I modify that file? Even with sudo I can't modify it at all.

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  • File association for editing on a mac

    - by Agos
    I'm quite experienced with how file association works for opening files on Mac OS X. I recall reading somewhere that OS X keeps not only the information about which apps can open a file, but also which apps can edit a specific file type. I'm having problems with those applications (Coda, Espresso, Forklift, Flow) that have an “edit with external editor” feature, since issuing this command on HTML files opens them with Dashcode. Dashcode of course is not the current association for opening these files (Safari is), so it's clearly looking for apps that can edit HTML. Since I'd like to use TextMate as my editor in these cases, how can I set this preference?

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  • Box.com file sharing - How are you managing concurrent document access and file locks? [closed]

    - by Matt
    My company is evaluating Box.com as a file server replacement. It's file locking behavior for concurrent access to files seems incomplete. Specifically, files are not locked* (either exclusive or read-only) when they are being edited by Office or similar programs. This inevitably results in multiple versions of documents as concurrent access results in change conflicts. *The exception is when the file is edited using Zoho Docs - perhaps other web-based office suites as well. Box provides multiple options for editing documents, including Google Docs, a local copy of Office or similar, Zoho Docs and others. If you are using Box how have you managed or worked around this behavior?

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