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• Web Client Service constantly in 'Stopping' state

  - by Mark

  I have a user who's Web Client service constantly reports that it's in the 'Stopping' state and it's hindering her ability to save JMP files to a SharePoint site using the UNC path. She's running Windows XP Service Pack 3. I've tried modifying the Web Client parameters in the registry for UseBasicAuth and FileAttributesLimitInBytes with no luck. When I set the service to Manual and then try to start it after Windows boots up, it starts and then immediately goes into the Stopping state again. Other things I've tried: Removing/Reinstalling her network card Removing/Reinstalling the Client for Microsoft Networks and File and Print Sharing Checked that the BITS and RPC services are running fine (not sure if they're related) Does anyone have any other ideas? Is there a way to repair/rebuild the Web Client service?

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• Confused about encryption with public and private keys (which to use for encryption)

  - by jax

  I am making a licensing system when clients ask my server for a license and I send them a license if they are permitted to have one. On my current system I encrypt the license using a single private key and have the public key embedded into the client application that they use to decrypt the license. It works! Others have told me that I should be encrypting with the public key on the server and distributing the private key to clients. I have searched the web and can see that sometimes they use the private key to encrypt and other times they use the public key to encrypt. In this case what am I supposed to do?

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• Confused about C++'s std::wstring, UTF-16, UTF-8 and displaying strings in a windows GUI

  - by dfrey

  I'm working on a english only C++ program for Windows where we were told "always use std::wstring", but it seems like nobody on the team really has much of an understanding beyond that. I already read the question titled "std::wstring VS std::string. It was very helpful, but I still don't quite understand how to apply all of that information to my problem. The program I'm working on displays data in a Windows GUI. That data is persisted as XML. We often transform that XML using XSLT into HTML or XSL:FO for reporting purposes. My feeling based on what I have read is that the HTML should be encoded as UTF-8. I know very little about GUI development, but the little bit I have read indicates that the GUI stuff is all based on UTF-16 encoded strings. I'm trying to understand where this leaves me. Say we decide that all of our persisted data should be UTF-8 encoded XML. Does this mean that in order to display persisted data in a UI component, I should really be performing some sort of explicit UTF-8 to UTF-16 transcoding process? I suspect my explanation could use clarification, so I'll try to provide that if you have any questions.

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• Multiple SVN repos on Debian HTTPd vhost setup

  - by Jonathon Reinhart

  I would like to have my svn/http server setup so I can access multiple repositories via a "svn" subdomain: https://svn.example.com/repo1 https://svn.example.com/repo2 I am using Debian 6, and already have multiple vhosts set up via the standard sites-available method. Resources and their problems: How To: subversion SVN with Apache2 and DAV This one doesn't deal with a server with multiple vhosts. Installing and Configuring Subversion This one only considers one subversion repository. This one does show putting the SVN DAV <Location> in the svn vhost file. However, it doesn't say whether to put it inside or outside the <VirtualHost> tag. Does this really limit the subversion access to just that vhost? I just tried, and can access /foorepo from any subdomain. Setting Up Subversion And Trac As Virtual Hosts On An Ubuntu Server This one appears to be very close, but I can still access repos from any vhost. In other words, it doesn't matter what subdomain I specify, as long as the path matches the repo name. Doesn't make any sense. And yes, my <Location> tag is inside the <VirtualHost>. A lot of these articles seem to have been written in 2006 or earlier, and don't necessarily conform to the configuration methods that newer distros are using. Can anyone guide me in the right direction?

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• Confused with an ASP.NET/WCF WSDL Parsing Error

  - by Vaccano

  I have a WCF Web Service that my ASP.NET app uses. It has been working fine for quite some time. I just added in a Dev Express Grid (and the Dev Express DLLs) and a new page that uses them and now I am getting parsing errors on the WSDL. But the weird part is that it works fine on my machine but fails on the web server machine. (Both are connecting to the same web services WSDL.) Here is the error message I am getting: Server Error in '/MyWebAppWebDev' Application. -------------------------------------------------------------------------------- Parser Error Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately. Parser Error Message: Reference.svcmap: Failed to generate code for the service reference 'MyWebAppService'. Cannot import wsdl:portType Detail: An exception was thrown while running a WSDL import extension: System.ServiceModel.Description.DataContractSerializerMessageContractImporter Error: Referenced type 'WebClientApp.MyWebAppService.ReferenceUpdatesDataContract, WebClientApp, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' with data contract name 'ReferenceUpdatesDataContract' in namespace 'http://schemas.datacontract.org/2004/07/MyWebAppServiceLibrary.DataContracts' cannot be used since it does not match imported DataContract. Need to exclude this type from referenced types. XPath to Error Source: //wsdl:definitions[@targetNamespace='http://tempuri.org/']/wsdl:portType[@name='IMyWebAppReferenceDataServiceLib'] Cannot import wsdl:binding Detail: There was an error importing a wsdl:portType that the wsdl:binding is dependent on. XPath to wsdl:portType: //wsdl:definitions[@targetNamespace='http://tempuri.org/']/wsdl:portType[@name='IMyWebAppReferenceDataServiceLib'] XPath to Error Source: //wsdl:definitions[@targetNamespace='http://tempuri.org/']/wsdl:binding[@name='MyWebAppServicesDefaultEndpoint'] Cannot import wsdl:port Detail: There was an error importing a wsdl:binding that the wsdl:port is dependent on. XPath to wsdl:binding: //wsdl:definitions[@targetNamespace='http://tempuri.org/']/wsdl:binding[@name='MyWebAppServicesDefaultEndpoint'] XPath to Error Source: //wsdl:definitions[@targetNamespace='http://tempuri.org/']/wsdl:service[@name='MyWebAppReferenceDataServiceLib']/wsdl:port[@name='MyWebAppServicesDefaultEndpoint'] Source Error: [No relevant source lines] Source File: /MyWebAppWebDev/App_WebReferences/MyWebAppService/ Line: 1 I am completely stumped on this. I have checked my web.config endpoint address and it is spot on (and notably is not in the error message above). Any ideas would be welcomed.

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• Confused as to which Prototype helper to use

  - by user284194

  After reading http://api.rubyonrails.org/classes/ActionView/Helpers/PrototypeHelper.html I just can't seem to find what I'm looking for. I have a simplistic model that deletes the oldest message after the list of messages reaches 24, the model is this simple: class Message < ActiveRecord::Base after_create :destroy_old_messages protected def destroy_old_messages messages = Message.all(:order => 'updated_at DESC') messages[24..-1].each {|p| p.destroy } if messages.size >= 24 end end There is a message form below the list of messages which is used to add new messages. I'm using Prototype/RJS to add new messages to the top of the list. create.rjs: page.insert_html :top, :messages, :partial => @message page[@message].visual_effect :grow #page[dom_id(@messages)].replace :partial => @message page[:message_form].reset My index.html.erb is very simple: <div id="messages"> <%= render :partial => @messages %> </div> <%= render :partial => "message_form" %> When new messages are added they appear just fine, but when the 24 message limit has been reached it just keeps adding messages and doesn't remove the old ones. Ideally I'd like them to fade out as the new ones are added, but they can just disappear. The commented line in create.rjs actually works, it removes the expired message but I lose the visual effect when adding a new message. Does anyone have a suggestion on how to accomplish adding and removing messages from this simple list with effects for both? Help would be greatly appreciated. Thanks for reading. P.S.: would periodically_call_remote be helpful in this situation?

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• confused about python decorators

  - by nbv4

  I have a class that has an output() method which returns a matplotlib Figure instance. I have a decorator I wrote that takes that fig instance and turns it into a Django response object. My decorator looks like this: class plot_svg(object): def __init__(self, view): self.view = view def __call__(self, *args, **kwargs): print args, kwargs fig = self.view(*args, **kwargs) canvas=FigureCanvas(fig) response=HttpResponse(content_type='image/svg+xml') canvas.print_svg(response) return response and this is how it was being used: def as_avg(self): return plot_svg(self.output)() The only reason I has it that way instead of using the "@" syntax is because when I do it with the "@": @plot_svg def as_svg(self): return self.output() I get this error: as_svg() takes exactly 1 argument (0 given) I'm trying to 'fix' this by putting it in the "@" syntax but I can't figure out how to get it working. I'm thinking it has something to do with self not getting passed where it's supposed to...

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• Confused with ECMAScript Language Specification Function Calls section

  - by Ding

  Hi, I am reading ECMAScript Language Specification Function Calls section Can someone rephrase or detailed explains the following sentense for me? The production CallExpression : MemberExpression Arguments is evaluated as follows: Evaluate MemberExpression. let's take this code as an example. var john = { name: 'John', greet: function(person) { alert("Hi " + person + ", my name is " + this.name); } }; john.greet("Mark"); Take above code as an example, what does production CallExpression mean? what is MemberExpression in this case, john.greet? Thanks!

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• nginx inserting extra characters in Multi-status reply body

  - by user125011

  Here's the setup. I've got one server running apache/php hosting ownCloud. Among other things, I'm using to do CardDAV contact syncing. In order to make things work with my domain I have an nginx server running on the frontend as a reverse-proxy to the ownCloud server. My nginx config is as follows: server { listen 80; server_name cloud.mydomain.com; location / { proxy_set_header X-Forwarded-Host cloud.mydomain.com; proxy_set_header X-Forwarded-Proto http; proxy_set_header X-Forwarded-For $remote_addr; client_max_body_size 0; proxy_redirect off; proxy_pass http://server; } } The problem is that when my phone does a PROPFIND on the server, nginx adds extra characters to the content body that throw the phone off. Specifically, it prepends d611\r\n at the front of the body and appends 0\r\n\r\n to the end of the content. (I got this from wireshark.) It also re-chunks the result. How do I get nginx to send the original content as-is?

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• abstract class NumberFormat - very confused about getInstance()

  - by Alex

  Hi, I'm new to Java and I have a beginner question: NumberFormat is an abstract class and so I assume I can't make an instance of it. But there is a public static (factory?) method getInstance() that allow me to do NumberFormat nf = NumberFormat.getInstance(); I'm quite confuse. I'll be glad if someone could give me hints on: 1) If there is a public method to get an instance of this abstract class, why don't we have also a constructor? 2) This is an abstract class ; how can we have this static method giving us an instance of the class? 3) Why choosing such a design? If I assume it's possible to have an instance of an abstract class (???), I don't get why this class should be abstract at all. Thank you.

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• REST on *just* IIS7 (without a webframework)

  - by noblethrasher

  I want to upload files directly to IIS7 (in this case I am using the WebRequest object in .NET). Thus I need IIS7 to accept POST, PUT, and DELETE verbs such that I can upload and delete files on the server directly. Is it possible to have IIS accept files without a a web framework like ASP.NET? Essentially I want to be able to use IIS (HTTP) as an FTP server.

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• Confused about this factory, as it doesn't look like an Abstract Factory nor Factory Method

  - by Pin

  I'm looking into Guice and I've been reading its documentation recently. Reading the motivation section I don't understand the factories part, why they name it that way. To me that factory is just a wrapper for the implementing class they want it to return after calling getInstance(). public class CreditCardProcessorFactory { private static CreditCardProcessor instance; public static void setInstance(CreditCardProcessor creditCardProcessor) { instance = creditCardProcessor; } public static CreditCardProcessor getInstance() { if (instance == null) { throw new IllegalStateException("CreditCardProcessorFactory not initialized. " + "Did you forget to call CreditCardProcessor.setInstance() ?"); } return instance; } } Why do they call it factory as well if it is neither an abstract factory nor a factory method? Or am I missing something? Thanks.

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• FullCalendar Events: Confused how to enable resizing.

  - by Josiah Kiehl

  I'm using the FullCalendar plugin, and am very pleased with it, however I can't figure out how to enable resizing. I looked at the source of the calendar on the main FullCalendar page, and my code is no different save that I get my events from a source rather than explicitly define them. What am I missing? $('#schedule').fullCalendar({ events: '/campaigns/scheduled', editable: true });

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• Confused over behavior of List.mapi in F#

  - by James Black

  I am building some equations in F#, and when working on my polynomial class I found some odd behavior using List.mapi Basically, each polynomial has an array, so 3*x^2 + 5*x + 6 would be [|6, 5, 3|] in the array, so, when adding polynomials, if one array is longer than the other, then I just need to append the extra elements to the result, and that is where I ran into a problem. Later I want to generalize it to not always use a float, but that will be after I get more working. So, the problem is that I expected List.mapi to return a List not individual elements, but, in order to put the lists together I had to put [] around my use of mapi, and I am curious why that is the case. This is more complicated than I expected, I thought I should be able to just tell it to make a new List starting at a certain index, but I can't find any function for that. type Polynomial() = let mutable coefficients:float [] = Array.empty member self.Coefficients with get() = coefficients static member (+) (v1:Polynomial, v2:Polynomial) = let ret = List.map2(fun c p -> c + p) (List.ofArray v1.Coefficients) (List.ofArray v2.Coefficients) let a = List.mapi(fun i x -> x) match v1.Coefficients.Length - v2.Coefficients.Length with | x when x < 0 -> ret :: [((List.ofArray v1.Coefficients) |> a)] | x when x > 0 -> ret :: [((List.ofArray v2.Coefficients) |> a)] | _ -> [ret]

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• How to add a web folder via command line (Windows)

  - by Ryan

  I am trying to add a web folder via command line in windows. At first I though I should use the "net use" command, but when I tried I kept getting System error 67: C:net use * http://dev.subdomain.domain.tdl/dav/ the user name for 'dev.restech.niu.edu': correctusername the password for dev.restech.niu.edu: System error 67 has occurred. The network name cannot be found. The url I used works in a browser. It's an Apache dav on basic auth LDAP authentication method being used. Here's the thing... I CAN create a web folder when I use the "Add a network place" wizard. When I do net use, I don't see it listed in the prompt that follows. What utility do I need to use to mount a web folder in command line?

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• Confused about copying Arrays in Objective-C

  - by Sheehan Alam

  Lets say I have an array X that contains [A,B,C,D,nil]; and I have a second array Y that contains [E,F,G,H,I,J,nil]; If I execute the following: //Append y to x [x addObjectsFromArray:y]; //Empty y and copy x [y removeAllObjects]; y = [x mutableCopy]; What is the value of y? is it?: [A,B,C,D,E,F,G,H,I,J,nil] Am I performing the copy correctly?

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• Confused by Perl grep function

  - by titaniumdecoy

  I don't understand the last line of this function from Programming Perl 3e. Here's how you might write a function that does a kind of set intersection by returning a list of keys occurring in all the hashes passed to it: @common = inter( \%foo, \%bar, \%joe ); sub inter { my %seen; for my $href (@_) { while (my $k = each %$href) { $seen{$k}++; } } return grep { $seen{$_} == @_ } keys %seen; } I understand that %seen is a hash which maps each key to the number of times it was encountered in any of the hashes provided to the function.

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• Confused by notation?

  - by fuzzygoat

  Would someone be so kind as to explain what is happening with the statement below. I an a bit puzzeled by <MKAnnotation> between id and mp, it not something I have seen before. id <MKAnnotation> mp = [annotationView annotation]; many thanks gary

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• Impersonation in asp.net, confused about implmentation when used with Active Directory & Sql Server

  - by AWC

  I have an internal website that is using integrated windows authentication and this website uses sql server & active directory queries via the System.Directory.Services namespace. To use the System.Directory.Services namespace in ASP.NET I have to run IIS under an account that has the correct privileges and importantly have impersonation set to true in the web config. If this is done then when I make a query against AD then the credentials of the wroker process (IIS) are used instead of the ASPNET account and therefore the queries will now succeed. Now if I am also using Sql Server with a connection string configured for integrated security ('Integrated Security=SSPI') then this interprets the ASP.NET impersonation to mean that I want to access the database as the windows credentials of the request no the worker process. I hope I'm wrong and that I've got the config wrong, but I don't think I have and this seems not to be inconsistent? It should be noted I'm using IIS 5.1 for development and obivously this doesn't have the concept of app-pools which I believe would resolve the problem.

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• What is Scriptol?

  - by Isaiah

  While searching I came across this. It looks interesting but I have absolutely no idea of what it's for. I like it because you can compile to php, a language I don't enjoy a lot that's really useful. This could be a way I can use php without touching it. The language is odd looking, is there anyone out there who has tried it? Thanks

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• Confused about using SpringMVC Vs JEE project in Netbeans

  - by Sanju

  Hi all, I want to start a my first JEE project. I have read a lot that springMVC framework is a good choice (never used though) My earlier experience with java is not much. only some small app development using Netbeans. so I have some experience using Netbeans. but I see that I can start a JEE project in Netbeans. so what kind of framework netbeans is using underneath. PS: My understanding of framework (e.g. SpringMVC) is that you follow rule of framework to configure your app. and then framework take care or linking your View, controller and model. so if i am using netbeans, do i need to take care of linking of my MVC by myself?

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• Cannot load 47_mod_dav_svn.conf when install apache and svn

  - by user8264

  I am install apache and subversion in gentoo. I have one problem that need your help. I install by guide from here. But my problem is that I can not see file 47_mod_dav_svn.conf in the folder /ect/apache2/modules.d, athough I set APACHE2_OPTS="-D DEFAULT_VHOST -D INFO -D SSL -D SSL_DEFAULT_VHOST -D LANGUAGE -D DAV -D DAV_FS -D SVN -D SVN_AUTHZ" And then restart apache by /etc/init.d/apache2 restart How to fixed my problem? Thank you so much

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• calculating offer period for subscription

  - by TheVillageIdiot

  I'm maintaining a web application which deals with some kind of subscriptions. Users can to renew their subscriptions from 2 months before expiry (not earlier than that). Sometimes user does not renew before expiry and get grace period which is of 3 months. Now he can renew in these 3 months of grace period. Now the problem part. In the previous transactions of renew requests I have to show what was the offer period for that particular request (subscription start and subscription end period if renew was granted). Things are pretty simple if user renews before expiry, but I'm not able to get things straight if there is grace period specially when the subscriptions is expiring in last months of the year. Also there sometimes calculations go haywire when subscription is ending in jan or feb. All this is happening because offer period is not saved with the application anywhere (I don't know why). so if subscription is ending in 20 October 2008 and renew application is submitted in 16 January 2009 (because of grace period) the offer period should be 21 October 2008 to 20 October 2009.

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• Authentication in Apache2 with mod_dav_svn

  - by Poita_

  I'm having some trouble setting up authentication in Apache2 for a SVN repository that's being served using mod_dav_svn. Here is my Apache config for the directory: <Location /svn> DAV svn SVNParentPath /var/svn/repos AuthType Basic AuthName "Subversion Repository" AuthUserFile /etc/apache2/dev.passwd Require valid-user </Location> I can use svn with the projects under /var/svn/repos, so I know that the DAV is working, but when I do svn updates or commits (or anything), Apache doesn't ask for any authentication... It does the exact same thing whether the Auth directives are there or not. The permissions on the repository directory (and all subdirectories/files) only give permission to www-data (the Apache2 user/group). I have also ensured that all relevant modules are enabled (in particular mod_auth is enabled, as are all mod_dav* modules). Any ideas why svn commands aren't authenticating? Thanks in advance.

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• I am confused -- Will this code always work?

  - by Shekhar

  Hello, I have written this piece of code public class Test{ public static void main(String[] args) { List<Integer> list = new ArrayList<Integer>(); for(int i = 1;i<= 4;i++){ new Thread(new TestTask(i, list)).start(); } while(list.size() != 4){ // this while loop required so that all threads complete their work } System.out.println("List "+list); } } class TestTask implements Runnable{ private int sequence; private List<Integer> list; public TestTask(int sequence, List<Integer> list) { this.sequence = sequence; this.list = list; } @Override public void run() { list.add(sequence); } } This code works and prints all the four elements of list on my machine. My question is that will this code always work. I think there might be a issue in this code when two/or more threads add element to this list at the same point. In that case it while loop will never end and code will fail. Can anybody suggest a better way to do this? I am not very good at multithreading and don't know which concurrent collection i can use? Thanks Shekhar

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