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• Implementing IEquatable in class marked with DataContract. Does it work?

  - by Rire1979

  What I am trying to accomplish is to be able to use List<>.Contains() using the custom data structure(s) returned by the WCF service. I implemented the IEquatable<>.Equals but it's not really working on the client side. Contains() always returns false. I am wondering if the Contains() method is actually part of the class when it's put together on the client side.

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• Push alerts to notification tray app in Java

  - by Rich Anderson

  Hi - how do I push server alerts to tray apps in java without using xmpp or other heavy protocols? Do you recommend a way to accomplish this? I was planning to write an app which uses URLConnection on a server equipped with Comet but I doubt if that would work as the client requires a JS to be invoked and URLConnection is not a browser.. What is the best way to push instead of using a proprietary client-server approach?

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• .NET Based Radio Automation

  - by Brent Pabst

  I'm curious if anyone has seen an Open Source radio automation package (I found one in Russian on CodePlex) built on .NET In addition if I wanted to build something like this in a client server environment is WCF and WPF the best way to do it? Is it fast enough to trigger songs to play/encode on the server from a remote WPF client? Sort of vague questions but I wanted to get some community feedback.

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• Sending Client Certificate in HttpWebRequest

  - by Aaron Fischer

  I am trying to pass a client certificate to a server using the code below however I still revive the HTTP Error 403.7 - Forbidden: SSL client certificate is required. What are the possible reasons the HttpWebRequest would not send the client certificate? var clientCertificate = new X509Certificate2( @"C:\Development\TestClient.pfx", "bob" ); HttpWebRequest tRequest = ( HttpWebRequest )WebRequest.Create( "https://ofxtest.com/ofxr.dll" ); tRequest.ClientCertificates.Add( clientCertificate ); tRequest.PreAuthenticate = true; tRequest.KeepAlive = true; tRequest.Credentials = CredentialCache.DefaultCredentials; tRequest.Method = "POST"; var encoder = new ASCIIEncoding(); var requestData = encoder.GetBytes( "<OFX></OFX>" ); tRequest.GetRequestStream().Write( requestData, 0, requestData.Length ); tRequest.GetRequestStream().Close(); ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback( CertPolicy.ValidateServerCertificate ); WriteResponse( tRequest.GetResponse() );

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• Client side caching in GWT

  - by Silfverstrom

  We have a gwt-client, which recieves quite a lot of data from our servers. Logically, i want to cache the data on the client side, sparing the server from unnecessary requests. As of today i have let it up to my models to handle the caching of data, which doesn't scale very well. It's also become a problem since different developers in our team develop their own "caching" functionality, which floods the project with duplications. I'm thinking about how one could implement a "single point of entry", that handles all the caching, leaving the models clueless about how the caching is handled. Does anyone have any experience with client side caching in GWT? Is there a standard approach that can be implemented?

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• Performing both client side and server side validation using jQuery and CodeIgniter

  - by Vasu

  What is the right way of doing both client side and server side validation using jQuery and CodeIgniter? I am using the jQuery form plugin for form submit. I would like to use jQuery validation plugin (http://docs.jquery.com/Plugins/Validation) for client side validation and CodeIgniter form validation on the server side. However the two don't seem to gel together (or I am unable to get my head around it). Can someone help please? Whether its a client side validation or server side validation, the user should see consistent UI displaying error messages next to the input fields.

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• Synchronization between Client database and Central Database

  - by Indranil Mutsuddy

  Hello, I am trying to develop UI in C# .NET to synchronize 7 instances of backup databases with the central database one by one (All holding same schema) .The backup database( all 7 instances client databases) which is brought to the central server in a removable device such pendrive will consist of mdf and ldf files from each client and will be attached to the server where the central database resides. After all the client backup databases are attached i need to synchronize(update existing data or insert new data to the central database residing in server) each backup database one by one to central database. I want to know as how i can synchronize betweeen a backup database with a central database using C# .NET

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• PHP SOAP client accessing server on non-standard port

  - by sims

  The service I'm trying to send requests to is accessible via a non-standard port - so not port 80. It is accessible locally via port 80. So I've tested the app locally and it works fine. But when I deploy it on the production server (not on the LAN), it fails. Once again for clarity: -dev server is on the LAN -SOAP server is on the LAN -production server is on the WAN -SOAP server is accessible through the NAT/FW via a non-standard http port (not 80) The soap client is created with the specified WSDL URI. For example: $this->client = new Zend_Soap_Client('http://server.com:10080/path/service.asmx?WSDL'); But queries to not work: $this->client->function($query); I get an: Internal Server Error Exception thrown. Is PHP broken in this regard? Is there a workaround?

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• CMS Preventing Bad HTML Insertion by Client?

  - by Jascha

  I'm building a small CMS in PHP for a client and something I've noticed that comes up fairly often is a client will enter a bit of HTML in a field without closing his/her tag. I'm wondering if there is some parsing technique to prevent bad HTML from rendering my whole output page in italics because the user forgot to add a closing </i> tag. I'm not worried about XSS or malicious html, just a forgotten tag here and there as it's the client who is managing the content. Forgive me if this is a duplicate question, I did some searching, but could not find an appropriate answer. -J

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• How to combine mvc2 client side validation with other client side validation?

  - by Andrey

  I have a page using mvc2 with client side validation. The client side validation is provided by Microsoft Ajax mvc validation script. This does very well to validate all fields that are related to the model. I also have fields that are never sent to the server such as the confirm password value, and the accept agreement. For these fields i need pure client side validation. I created the javascript to do this, but am now having a hard time integrating the two validatiosn together. I was hoping that i could do something like add another error to an array, or set the page manually to not valid to make sure that the user cannot submit. Basically follow the same approach that i would with normal asp.net validation. I can't find anything like that. In all examples validators are discussed that are connected to parts of the model. What is my best approach here?

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• Client authentication with RubyLDAP ldap

  - by Marcelo de Moraes Serpa

  Hello all, I'm trying to implement a feature that uses LDAP over SSL (SSL, not TLS), it needs to connect to a SSL-enabled LDAP server (i.e OpenLDAP), bind and then do any additional queries. It also needs to support client-authentication, and this is where things get tricky: The client is a web application written in Ruby, and we are using RubyLDAP (so far we have used it for non-SSL ldap stuff with great success). My question is: Is there a way to load a client certificate and send its data over the wire to the LDAP server when doing a LDAP::SSLConn? I haven't found anything obvious on the API docs (http://ruby-ldap.sourceforge.net/rdoc/) nor while googling around. I know I that I can prevent the server from asking for a certificate by putting the following on slapd.conf (OpenLDAP): TLSVerifyClient never However, this is not an option here. Thanks, Marcelo.

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• Authkit - deferring action for HTTP '401' response to client application

  - by jon

  Form, Redirect and Forward all send an unauthenticated user to a Form on a login page specified within an Authkit middleware application. I'd like to allow a client application to request a service via XHR and then present a custom 'client side' form if a HTTP status code of 401 is returned, which would then post to Authkit for authentication until valid authentication/authorization occured. Specifically, 1) a jquery $.get request might request a resource. 2) if an Authkit cookie check confirmed previous authorization the content would be returned. 3) if not I would like Authkit to simply return the '401 response' (and not redirect to another page, or return a form template) where a client side exception handler would notify the user and present an authentication form. Can Authkit work like this?

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• NetBeans Web-Services Client Project - repeated WSDL parsing

  - by RedGrittyBrick

  I created a new project thus ... File, New Project... Java, Java Application. Right-click project icon in "Projects" tree-view panel. Choose New, Web Service Client... Specify WSDL file e.g. ( ) Project (*) Local file D:\temp\Foo\Bar.wsdl ( ) WSDL URL [Set Proxy...] client-style JAX-WS [ ] Generate Dispatch code It parsed the WSDL and generated lots of java files. I created a main class and used Netbeans to insert a WS client call Now whenever I run my code (Desktop app), it again parses the WSDL (which doesn't ever change) and regenerates about 78 java files and compiles them. How do I stop Netbeans performing this uneccessary and time-consuming action?

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• Client Web Service call over SSL using Apache Axis

  - by java_pill

  I'm using Apache Axis 1.5.1 to code a web service client connecting to a service over SSL. My application is running in Tomcat with SSL configuration setup in JKS. However, when I connect to the server, the connection is failing because the cert from our client is not being sent to the server. Is this something that has to be set in the client through code? Also note that the server does not need any user name or password authentication. With SSL turned off, everything works fine. Thanks,

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• uploading multiple files from client to server with asp.net

  - by Maestro1024

  uploading multiple files from client to server with asp.net I have been looking at the asp.net upload control but that is for one file (unless someone knows a better way to do it). http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.fileupload.aspx For what I want to do I don't even really need a browse. I know the files off of the client are at a certain location. Is it possible to create a collection of *HttpPostedFile*s and upload those? http://msdn.microsoft.com/en-us/library/system.web.httppostedfile.aspx I don't think it is possible but would be glad to be proven wrong. Is there a different asp.net method or control that will easily allow uploading multiple files from client to server?

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• Inheriting from the web client class

  - by robUK

  Hello, C# 2008 I am not sure how much work there is to inheriting from the web client class. Currently I am using it in my project. And I can't change to anything else. The customer would like to have a timeout after a certain period of time. The web client doesn't have this. So rather than re-invent the wheel, I am thinking of inheriting from the web client and adding this property. Do you think this is a suitable solution? Could it mean more work just to add this. What is the easiest way to go about this? Many thanks,

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• DIRECTOR "TCP/IP Socket sever/client"

  - by VideoDnd

  Would Director be an option for creating a socket client? My client needs to accept server commands; frame rate, start etc. Director seems like it was made for controlling movies. I've got Director 11.5 at the office. Any lingo experts that could advise? Please post examples if you have any. I'm fed up with Flex and as3 at the moment. SERVER==XML PACKET==CLIENT==swf plays on given frame and duration

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• Balanced File Distribution from server to client

  - by Abhinav

  To design a client-server code in LINUX where server will send the file equally to its entire client connected(all not at a time). Suppose 15 files are there, client1 makes a connection, server starts sending files to it. After 4 files a new connection comes the first client gets halted (not terminated) and client2 start getting the file. After 2 files another connection comes. Server starts sending file to client3. after sending 3[2(client2)+1] files, server resumes client2.then client2 & client3 goes on till file count reaches 4.then client1 wakeup & remaining 3 files are transferred to each 3 clients. File's name are pre written in a file from where server reads it(not a big deal)

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• RadCombox Client Side Input ID Server Side

  - by francisf

  Hi All, Question 1 : RadComboBox i need to find the ID of the Input element at the Server side . The telerik provides a way to find the ID of the input element() client side. But i nned to find the ID at the server side . Question 2 : I have a radcombobox to a radgrid and am attaching a client event on itemdatabound for ex discCombo.OnClientLoad = "LoaderDisc" I need to find a way to an argument to this method say an id of another control ?.How do i pass my arguments to the combobox client event ? Thanks, Francis P.

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• Java HTTP Client Request with defined timeout

  - by Maxim Veksler

  Hello, I would like to make BIT (Built in tests) to a number of server in my cloud. I need the request to fail on large timeout. How should I do this with java? Trying something like the below does not seem to work. public class TestNodeAliveness { public static NodeStatus nodeBIT(String elasticIP) throws ClientProtocolException, IOException { HttpClient client = new DefaultHttpClient(); client.getParams().setIntParameter("http.connection.timeout", 1); HttpUriRequest request = new HttpGet("http://192.168.20.43"); HttpResponse response = client.execute(request); System.out.println(response.toString()); return null; } public static void main(String[] args) throws ClientProtocolException, IOException { nodeBIT(""); } } -- EDIT: Clarify what library is being used -- I'm using httpclient from apache, here is the relevant pom.xml section org.apache.httpcomponents httpclient 4.0.1 jar

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• .NET Remoting Client's Problem when running on the machine with Multi NICs

  - by cui chun

  I built a .NET Remoting Client which works quite fine on the machine of single NIC, and lots of testing messages received via remoting event. But when additional NIC was added, the Client seemed to be able to connect the remoting Server, but the testing messages cannot arrive anymore. From debugging, the server end did trigger the event but the client didn't get that. Checking from google and find that a similar problem report: http://www.eggheadcafe.com/community/aspnet/2/10061570/reply.aspx I just wonder if any solutions? Thanks in advance!

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• Connecting Java se Client to Glassfish

  - by Henrik Bierbum Bacher

  We are having some difficulties connecting our Java SE standalone client with the EJB module deployed on a remote GlassFish server. Pointers to how we are supposed to connect our client would be appreciated. The client code we currently has to get the initial context: props.setProperty("org.omg.CORBA.ORBInitialHost", "*remotehost*"); props.setProperty("org.omg.CORBA.ORBInitialPort", "portNumber"); javax.naming.InitialContext ic = new javax.naming.InitialContext(props); *We have tried several different port numbers; 3700, 7676, 8080.. The closest we are getting, got us the error: "Error in GIOP magic". I read that jms are using port 7676 as a broker port for a bunch of dynamically generated ports, but can't figure out how to specify those ports in order to create proper port-forwards.

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• Authkit - deferring action to HTTP response to client application

  - by jon

  Form, Redirect and Forward all send an unauthenticated user to a Form on a login page specified within an Authkit middleware application. I'd like to allow a client application to request a service via XHR and then present a custom 'client side' form if a HTTP status code of 401 is returned, which would then post to Authkit for authentication until valid authentication/authorization occured. Specifically, 1) a jquery $.get request might request a resource. 2) if an Authkit cookie check confirmed previous authorization the content would be returned. 3) if not I would like Authkit to simply return the '401 response' (and not redirect to another page, or return a form template) where a client side exception handler would notify the user and present an authentication form. Can Authkit work like this?

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• Subversion pre-commit hook to clean XML from WebDAV autocommit client

  - by rjmunro

  I know that it isn't normally safe to modify a commit from a pre-commit hook in Subversion because SVN clients will not see the version that has been committed, and will cache the wrong thing, but I'd like to clean the code from a versioning-naïve WebDAV client that won't keep a local cached copy. The idea is that when I look at the repository with an SVN client, the diffs are clean. The client, by the way is MS Word, using 2003 XML format files. We're already using this format in a WebDAV system, but we'd like to add a versioning capability for expert users. Everywhere I look for documentation on how to modify the code in a pre-commit hook, I get the answer "Don't do this", not the answer "Here's how to do this, but it's reccomeded you don't", so I can't even easily try it to see if it's going to cause me problems.

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• Sharing variable within different javascript file at client side

  - by Aman

  I was actually going through this link. which explains how we can share global variable across multiple js. but the point is what need to be done if I am getting some variable into one js and need to pass to another one mentioned in same document after the 1st one. approach which followed was: Script 1 <script type="text/javascript" src="js/client.js"></script> body added some hidden input with id myHiddenId, where values are set using client.js Script 2 <script type="text/javascript" src="js/anotherJS.js"></script> inside script 2 I am simply using $("#myHiddenId").val(); and using for my purpose. I want to know whether I am following correct approach, because that hidden field may have some data which client should not get aware of. is there any other way through which I can pass the variable values across the js files ? Since I am at beginner level hence digging up some resources/books but still no luck.

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