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  • XQuery - problem with recursive function

    - by H4mm3rHead
    Hi all, Im new on this project and am going to write, what i thought was a simple thing. A recursive function that writes nested xml elements in x levels (denoted by a variable). So far I have come up with this, but keeps getting a compile error. Please note that i have to generate new xml , not query existing xml: xquery version "1.0"; declare function local:PrintTest($amount) { <test> { let $counter := 0 if ($counter <= $amount ) then local:PrintTest($counter) else return $counter := $counter +1 } </test> }; local:PrintPerson(3) My error is: File Untitled1.xquery: XQuery transformation failed XQuery Execution Error! Unexpected token - " ($counter <= $amount ) t" I never understood xquery, and cant quite see why this is not working (is it just me or are there amazingly few resources on the Internet concerning XQuery?)

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  • Checking Available Memory allocation in C#

    - by Jepe d Hepe
    i need to create a function in my application to set its available memory usage. What i want to do is when the application is running, and it reaches to the set memory settings, i'll have to switch from saving to the memory to saving to a file to the local drive to avoid application hang. Is this a better way to do? What things to consider when doing this in terms of memory allocation? Hope you understand :) Thanks, Jepe

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  • ARM cortex: mutex using bit banding

    - by Jeff V
    Given that, on the ARM Cortex M3, I can: atomically read a single bit atomically set a single bit atomically clear a single bit How can I combine these for a mutex style set of operations: try lock take lock release lock It seems that try_lock or take_lock would require two operations that would not be atomic. Do I need more control to accomplish this? Disable global interrupts would do it but it seems there should be a more surgical approach.

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  • AssociatedControlId of inner namingcontainer

    - by Eric
    Hi, I have a custom control contains a label control. I want to set the AssociatedControlId of this label to be other control id on the page, but as soon as I implement the INamingContainer in my custom control, it will run into an error saying "Unable to find control with id 'abc' that is associated with the Label 'xyz'." This would be due to the fact that the label is in a nested naming container and it trys to find the control within the same container but couldn't (as the control is on the page, outside of it own naming container) Anyone know of a way to set this property? Thanks, Eric

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  • PHP and Permissions

    - by Moe
    Hi, I recently moved my website to a new host and now am experiencing some broken code.. I have an uploading script that is now returning this: move_uploaded_file() failed to open stream: Permission denied in *.. I've set the upload directory to 777 which worked fine, but my script is needed to have top level permissions.. (As the script itself sets permission to directories, does lots of copying etc) Is there a way in apache I can set the PHP script to the owner of all the folders on my server? Thanks

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  • advancedDatagrid multipleSelection: Was a row already selected?

    - by Werner
    Hi, after multiple Selection in a advanced datagrid, I want to check if the clicked row, was already selected. Anyway my idea below (in the nested if clause I want to check if the newly clicked item's processing data is already in the added Array Collection) is not working, but I assume there must be a better way to differiante if an click was made on a already selected row. Probably I was not as clear in my description as needed, please ask your questions! Thank you very much, already in advance, Werner model.processingData = out; if (model.selectedIndices.length > 1){ //check if item already added var tempInt:int = model.multipleProcessingData.getItemIndex(model.processingData); if (tempInt == -1){ model.multipleProcessingData.addItem(model.processingData); } } else{ model.multipleProcessingData.removeAll(); model.multipleProcessingData.addItem(model.processingData); }

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  • Using Tuples in Java

    - by syker
    My Hashtable in Java would benefit from a value having a tuple structure. What data structure can I use in Java to do that? Hastable<Long, Tuple<Set<Long>,Set<Long>>> table = ...

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  • Specify default group and permissions for new files in a certain directory

    - by mislav
    I have a certain directory in which there is a project shared by multiple users. These users use SSH to gain access to this directory and modify/create files. This project should only be writeable to a certain group of users: lets call it "mygroup". During an SSH session, all files/directories created by the current user should by default be owned by group "mygroup" and have group-writeable permissions. I can solve the permissions problem with umask: $ cd project $ umask 002 $ touch test.txt File "test.txt" is now group-writeable, but still belongs to my default group ("mislav", same as my username) and not to "mygroup". I can chgrp recursively to set the desired group, but I wanted to know is there a way to set some group implicitly like umask changes default permissions during a session. This specific directory is a shared git repo with a working copy and I want git checkout and git reset operations to set the correct mask and group for new files created in the working copy. The OS is Ubuntu Linux. Update: a colleague suggests I should look into getfacl/setfacl of POSIX ACL but the solution below combined with umask 002 in the current session is good enough for me and is much more simple.

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  • iPhone NSURLConnection through Proxy+Auth

    - by woody993
    I am using NSURLConnection to make connections to a server, through a proxy that requires authentication this fails. The proxy settings are set under the WiFi, but the connection still fails. I believe there is a part of CFNetwork that can fix this, but this might be just for streams and I am unsure of how to implement it with NSURLConnection. How can I tell my application to use the proxy settings set under WiFi?

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  • How do I improve my screen resolution in Windows Remote Desktop?

    - by Jeff
    I'm RDP'ing into a Win2K3 machine from a WinXP machine, and I cannot stand the low screen resolution I get on the Win2K3 box. Text is too large and the graphics/colors aren't very smooth. How do I improve this? If I right-click on the desktop of the remote machine and go to Properties - Settings, I see that the screen resolution is set to 1280x1024 (should be okay, I would think), and the color quality is Medium (16 bit) (not optimal) and I don't have the option to change either setting (because they're set in the .rdp file for the session, right?). If I move over to the Appearance tab, I see that font size is set to Normal, with no option to make it smaller. The thing is, these settings are close to what I have on the XP machine I'm RDP'ing in from. The only difference (in those settings) is the color quality, which is 32 bit. Any ideas on how I can improve the situation? Other tidbits: The graphics card on the Win2K3 machine is ATI ES1000. I think I have the latest drivers for it. I'm running VMware Workstation on the Win2K3 machine, and if I create a Win2K3 VM and RDP into it from the XP machine, the resolution is just fine.

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  • Sqlserver 2005 Replication issue

    - by Francesco
    Hi, I have a peer to peer Merge Replication from two Sqlserver 2005. The first Sqlserver is both the publisher and distribuitor. All works fine but if the VPN goes down for a couple of hours the replication goes down too and I need to manually restart the sqlserver agent. In the Sqlserver Agent properties I have set the two option about the agent failover but nothing. How I can set an automatic restart of sqlserver agent when the VPN goes down? Thanks

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  • Parent class issue - UITableViewController doesn't work

    - by Darko Hebrang
    When I access my Search View from my tab bar, the view gets loaded when SearchViewController interface is set like this: @interface SearchViewController : UIViewController but it crashes when I set it like this (although it doesn't crash when it is not accessed through the tab bar): @interface SearchViewController : UITableViewController Why? I need the UITableViewController as I have a table view that I access from the tab bar.

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  • Openning Blob Data stored in Sqlite as a File with Tcl/Tk

    - by dmullins
    Hello: I am using the following tcl code to store a file from my deskstop into a Sqlite database as blob data ($fileText is a path to a text file): sqlite3 db Docs.db set fileID [open $fileText RDONLY] fconfigure $fileID -translation binary set content [read $fileID] close $fileID db eval {insert into Document (Doc) VALUES ($content)} db close I have found many resources on how to open the blob data to read and write to it, but I cannot find any resources on openning the blob data as a file. For example, if $fileText was a pdf, how would I open it, from Sqlite, as a pdf? Thanks, DFM

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  • How to display an HTML email for preview on a webpage?

    - by Andrew
    I am trying to display a "preview" of an HTML email. I have the HTML in my database and now I need to render it in an iframe, or popup window or something. I am trying to inject the html into a div tag on the page, but it won't display anything. Here is the problem I am running into (I have nested HTML tags): <html> <body> <h1>My page</h1> <div id="email-body"> <html> <body> <p>email</p> </body> </html> </div> </body> </html>

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  • Custom URL Scheme from settings.bundle

    - by S-T-R-E-G-A
    Is it possible to set a custom URL scheme to launch my app from a link but make this a user defined setting? My app relies on a user defined server url and I would like to be able to set a URL scheme to launch my app using the users custom URL from lets say an email link. I noticed the info.plist has these references ${EXECUTABLE_NAME} can I define my own custom reference maybe?

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  • Cisco Configuration backup with Windows Script.

    - by Jeff
    We have a client with a lot of Cisco Devices and we would like to automate the backups of these devices through telnet. We have both 2003 and 2008 servers and ideally use tftp to back it up. I wrote this: Set WshShell = WScript.CreateObject("WScript.Shell") Dim fso Set fso = CreateObject("Scripting.FileSystemObject") Dim ciscoList ciscoList = "D:\Scripts\SwitchList.txt" Set theSwitchList = fso.OpenTextFile(ciscoList, 1) Do While theSwitchList.AtEndOfStream <> True cisco = theSwitchList.ReadLine Run "cmd.exe" SendKeys "telnet " SendKeys cisco SendKeys "{ENTER}" SendKeys "USERNAME" SendKeys "{ENTER}" SendKeys "PASSWORD" SendKeys "{ENTER}" SendKeys "en" SendKeys "{ENTER}" SendKeys "PASSWORD" SendKeys "{ENTER}" SendKeys "copy startup-config tftp{ENTER}" SendKeys "(TFTP IP){ENTER}" SendKeys "FileName.txt{ENTER}" SendKeys "exit{ENTER}" 'close telnet session' SendKeys "{ENTER}" 'get command prompt back SendKeys "{ENTER}" SendKeys "exit{ENTER}" 'close cmd.exe On Error Resume Next WScript.Sleep 3000 Loop Sub SendKeys(s) WshShell.SendKeys s WScript.Sleep 300 End Sub Sub Run(command) WshShell.Run command WScript.Sleep 100 WshShell.AppActivate command WScript.Sleep 300 End Sub But the problem with this is the sendkeys are sent to the console session, I'm trying to find a solution that would not require a user to be logged in. Does anyone have any ideas? I have some knowlage of VBS, PowerShell and a pretty good grasp on batching.

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  • Frameset frame cached by Firefox

    - by dragonfly
    Hi, I have a html page which contains nested frameset (don't ask why, I'm only servicing the app ;) ). What bothers me, is why FF caches Header.htm file constantly. I had to use clear cache to force browser to download it again. ctrl+f5 didn't help. <frameset rows="68,*" border="0" frameborder="no" framespacing="0"> <frame name="header" src="/Header.htm" scrolling="no" noresize> <frame name="footer" src="/Login.aspx?w=<% =company %>&amp;loc=<% =ccdom %>"> </frameset> Any ideas what is responsible for that behaviour? On the other hand, IE downloads the file without a hassle. Thanks, Pawel

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  • How to define a preprocessor symbol in Xcode

    - by Steph Thirion
    Is it possible to set a symbol for conditional compilation by setting up properties in an Xcode project? My aim is to to create a symbol that is available to all files, without having to use import/include, so that a set of common classes can have a special behavior in some projects. Like the following, but with my own symbols. #if TARGET_IPHONE_SIMULATOR ... #endif

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  • DataAnnotation attributes buddy class strangeness - ASP.NET MVC

    - by JK
    Given this POCO class that was automatically generated by an EntityFramework T4 template (has not and can not be manually edited in any way): public partial class Customer { [Required] [StringLength(20, ErrorMessage = "Customer Number - Please enter no more than 20 characters.")] [DisplayName("Customer Number")] public virtual string CustomerNumber { get;set; } [Required] [StringLength(10, ErrorMessage = "ACNumber - Please enter no more than 10 characters.")] [DisplayName("ACNumber")] public virtual string ACNumber{ get;set; } } Note that "ACNumber" is a badly named database field, so the autogenerator is unable to generate the correct display name and error message which should be "Account Number". So we manually create this buddy class to add custom attributes that could not be automatically generated: [MetadataType(typeof(CustomerAnnotations))] public partial class Customer { } public class CustomerAnnotations { [NumberCode] // This line does not work public virtual string CustomerNumber { get;set; } [StringLength(10, ErrorMessage = "Account Number - Please enter no more than 10 characters.")] [DisplayName("Account Number")] public virtual string ACNumber { get;set; } } Where [NumberCode] is a simple regex based attribute that allows only digits and hyphens: [AttributeUsage(AttributeTargets.Property)] public class NumberCodeAttribute: RegularExpressionAttribute { private const string REGX = @"^[0-9-]+$"; public NumberCodeAttribute() : base(REGX) { } } NOW, when I load the page, the DisplayName attribute works correctly - it shows the display name from the buddy class not the generated class. The StringLength attribute does not work correctly - it shows the error message from the generated class ("ACNumber" instead of "Account Number"). BUT the [NumberCode] attribute in the buddy class does not even get applied to the AccountNumber property: foreach (ValidationAttribute attrib in prop.Attributes.OfType<ValidationAttribute>()) { // This collection correctly contains all the [Required], [StringLength] attributes // BUT does not contain the [NumberCode] attribute ApplyValidation(generator, attrib); } Why does the prop.Attributes.OfType<ValidationAttribute>() collection not contain the [NumberCode] attribute? NumberCode inherits RegularExpressionAttribute which inherits ValidationAttribute so it should be there. If I manually move the [NumberCode] attribute to the autogenerated class, then it is included in the prop.Attributes.OfType<ValidationAttribute>() collection. So what I don't understand is why this particular attribute does not work in when in the buddy class, when other attributes in the buddy class do work. And why this attribute works in the autogenerated class, but not in the buddy. Any ideas? Also why does DisplayName get overriden by the buddy, when StringLength does not?

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  • Why is it useful to count the number of bits?

    - by Scorchin
    I've seen the numerous questions about counting the number of set bits in a insert type of input, but why is it useful? For those looking for algorithms about bit counting, look here: http://stackoverflow.com/questions/1517848/counting-common-bits-in-a-sequence-of-unsigned-longs http://stackoverflow.com/questions/472325/fastest-way-to-count-number-of-bit-transitions-in-an-unsigned-int http://stackoverflow.com/questions/109023/best-algorithm-to-count-the-number-of-set-bits-in-a-32-bit-integer

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  • Java RMI : connection refused

    - by mihsathe
    I have written following code for the client of RMI. But getting java.rmi.ConnectException: Connection refused to host: localhost; nested exception is: java.net.ConnectException: Connection refused: connect code : import java.rmi.*; import java.net.*; import java.rmi.registry.*; class client { public static void main(String [] ars) { Iface serv; Registry r; String serveraddr = ars[0]; String serverport = ars[1]; String text = "Hey jude"; System.out.println("Sending" + text); try{ r = LocateRegistry.getRegistry( serveraddr, (new Integer(serverport)).intValue() ); serv = (Iface) r.lookup("rmi://server"); serv.receive(text); } catch(Exception e){ System.out.println(e); } } }

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  • Contains performs MUCH slower with variable vs constant string SQL Server

    - by Greg R
    For some unknown reason I'm running into a problem when passing a variable to a full text search stored procedure performs many times slower than executing the same statement with a constant value. Any idea why and how can that be avoided? This executes very fast: SELECT * FROM table WHERE CONTAINS (comments, '123') This executes very slowly and times out: DECLARE @SearchTerm nvarchar(30) SET @SearchTerm = '123' SET @SearchTerm = '"' + @SearchTerm + '"' SELECT * FROM table WHERE CONTAINS (comments, @SearchTerm) Does this make any sense???

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  • CentOS Latency High Troubleshooting

    - by Sarah Weinberger
    I have two CentOS servers connected via a 10 Gb fiber optic cable with a network emulator connected between them. All three units sit on a desk in the lab. There is also a regular 1 Gbit Ethernet cable connected to each of the machines, which provide internet connectivity. When I set the latency to something roughly below 30 ms, all is fine. When the latency gets to 70ms and above, and definitely 130ms, the network layer suspends. For instance, if I set the latency (delay) to 70ms, then launching TeamViewer (or any other application that uses network connectivity) never happens or does not work. There is no timeout message, simply no response. I have to lower to latency back down to zero to see any response and have the box start working. What is the problem and how would I go about fixing it? It seems to me some sort of setting in Linux causes one of the CentOS networking drivers to sit in an infinite loop or something. eth0 is the connection to the internet, all settings are default eth2 is the 10 Gbit fiber optic connection to the other computer with the MTU set to 9600 with all other parameters at default values.

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