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• Can't send client certificate via SslStream

  - by Jonathan

  I am doing an SSL3 handshake using an SslStream, but, in spite of my best efforts, the SslStream never sends a client certificate on my behalf. Here is the code: SSLConnection = new System.Net.Security.SslStream(SSLInOutStream, false, new System.Net.Security.RemoteCertificateValidationCallback(AlwaysValidRemoteCertificate), new System.Net.Security.LocalCertificateSelectionCallback(ChooseLocalCertificate)); X509CertificateCollection CC = new X509CertificateCollection(); CC.Add(Org.BouncyCastle.Security.DotNetUtilities.ToX509Certificate(MyLocalCertificate)); SSLConnection.AuthenticateAsClient("test", CC, System.Security.Authentication.SslProtocols.Ssl3, false); and then I have AlwaysValidRemoteCertificate just returning true, and ChooseLocalCertificate returning the zeroth element of the array. The code probably looks a little weird because the project is a little weird, but I think that is beside the point here. The SSL handshake completes. The issue is that instead of sending a certificate message on my behalf (in the handshake process), with the ASN.1 encoded certificate (MyLocalCertificate), the SslStream sends an SSL alert number 41 (no certificate) and then carries on. I know this from packet sniffing. After the handshake is completed, the SslStream marks IsAuthenticated as true, IsMutuallyAuthenticated as false, and its LocalCertificate member is null. I feel like I'm probably missing something pretty obvious here, so any ideas would be appreciated. I am a novice with SSL, and this project is off the beaten path, so I am kind of at a loss. P.S. 1: My ChooseLocalCertificate routine is called twice during the handshake, and returns a valid (as far as I can tell), non-null certificate both times. P.S. 2: SSLInOutStream is my own class, not a NetworkStream. Like I said, though, the handshake proceeds mostly normally, so I doubt this is the culprit... but who knows?

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• Problems running rails server

  - by harristrader

  I just installed the rails env using the Rails installer on my Mac OSX 10.7.4. I create a project using the "rails new" command. When I try to run the "rails server" command I get this message: /usr/local/rvm/gems/ruby-1.9.3-p194/gems/rails-2.3.14/lib/rails_generator/options.rb:32:in `default_options': undefined method `write_inheritable_attribute' for Rails::Generator::Base:Class (NoMethodError) from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/rails-2.3.14/lib/rails_generator/base.rb:90:in `<class:Base>' from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/rails-2.3.14/lib/rails_generator/base.rb:85:in `<module:Generator>' from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/rails-2.3.14/lib/rails_generator/base.rb:48:in `<module:Rails>' from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/rails-2.3.14/lib/rails_generator/base.rb:6:in `<top (required)>' from /usr/local/rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:55:in `require' from /usr/local/rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:55:in `require' from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/rails-2.3.14/lib/rails_generator.rb:37:in `<top (required)>' from /usr/local/rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:55:in `require' from /usr/local/rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:55:in `require' from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/rails-2.3.14/bin/rails:15:in `<top (required)>' from /usr/local/rvm/gems/ruby-1.9.3-p194/bin/rails:23:in `load' from /usr/local/rvm/gems/ruby-1.9.3-p194/bin/rails:23:in `<main>' When I run the $ ruby -v and $ gem -v, I get "ruby 1.9.3p194" and "1.8.24" respectively. What am I missing here? How can I get this server to run?

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• C# PInvoke VerQueryValue returns back OutOfMemoryException?

  - by Bopha

  Hi, Below is the code sample which I got from online resource but it's suppose to work with fullframework, but when I try to build it using C# smart device, it throws exception saying it's out of memory. Does anybody know how can I fix it to use on compact? the out of memory exception when I make the second call to VerQueryValue which is the last one. thanks, [DllImport("coredll.dll")] public static extern bool VerQueryValue(byte[] buffer, string subblock, out IntPtr blockbuffer, out uint len); [DllImport("coredll.dll")] public static extern bool VerQueryValue(byte[] pBlock, string pSubBlock, out string pValue, out uint len); // private static void GetAssemblyVersion() { string filename = @"\Windows\MyLibrary.dll"; if (File.Exists(filename)) { try { int handle = 0; Int32 size = 0; size = GetFileVersionInfoSize(filename, out handle); if (size > 0) { bool retValue; byte[] buffer = new byte[size]; retValue = GetFileVersionInfo(filename, handle, size, buffer); if (retValue == true) { bool success = false; IntPtr blockbuffer = IntPtr.Zero; uint len = 0; //success = VerQueryValue(buffer, "\\", out blockbuffer, out len); success = VerQueryValue(buffer, @"\VarFileInfo\Translation", out blockbuffer, out len); if(success) { int p = (int)blockbuffer; //Reads a 16-bit signed integer from unmanaged memory int j = Marshal.ReadInt16((IntPtr)p); p += 2; //Reads a 16-bit signed integer from unmanaged memory int k = Marshal.ReadInt16((IntPtr)p); string sb = string.Format("{0:X4}{1:X4}", j, k); string spv = @"\StringFileInfo\" + sb + @"\ProductVersion"; string versionInfo; VerQueryValue(buffer, spv, out versionInfo, out len); } } } } catch (Exception err) { string error = err.Message; } } }

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• argv Memory Allocation

  - by Joshua Green

  I was wondering if someone could tell me what I am doing wrong that I get this Unhandled Exception error message: 0xC0000005: Access violation reading location 0x0000000c. with a green pointer pointing at my first Prolog code (fid_t): Here is my header file: class UserTaskProlog { public: UserTaskProlog( ArRobot* r ); ~UserTaskProlog( ); protected: int cycles; char* argv[ 1 ]; term_t tf; term_t tx; term_t goal_term; functor_t goal_functor; ArRobot* robot; void logTask( ); }; And here is my main code: UserTaskProlog::UserTaskProlog( ArRobot* r ) : robot( r ), robotTaskFunc( this, &UserTaskProlog::logTask ) { cycles = 0; argv[ 0 ] = "libpl.dll"; argv[ 1 ] = NULL; PL_initialise( 1, argv ); PlCall( "consult( 'myPrologFile.pl' )" ); robot->addSensorInterpTask( "UserTaskProlog", 50, &robotTaskFunc ); } UserTaskProlog::~UserTaskProlog( ) { robot->remSensorInterpTask( &robotTaskFunc ); } void UserTaskProlog::logTask( ) { cycles++; fid_t fid = PL_open_foreign_frame( ); tf = PL_new_term_ref( ); PL_put_integer( tf, 5 ); tx = PL_new_term_ref( ); goal_term = PL_new_term_ref( ); goal_functor = PL_new_functor( PL_new_atom( "factorial" ), 2 ); PL_cons_functor( goal_term, goal_functor, tf, tx ); int fact; if ( PL_call( goal_term, NULL ) ) { PL_get_integer( tx, &fact ); cout << fact << endl; } PL_discard_foreign_frame( fid ); } int main( int argc, char** argv ) { ArRobot robot; ArArgumentParser argParser( &argc, argv ); UserTaskProlog talk( &robot ); } Thank you,

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• Problems with native Win32api RichEdit control and its IRichEditOle interface

  - by Michael

  Hi All! As part of writing custom command (dll with class that implements Interwoven command interface) for one of Interwoven Worksite dialog boxes,I need to extract information from RichEdit textbox. The only connection to the existing dialog box is its HWND handle; Seemingly trivial task , but I got stuck : Using standard win32 api functions (like GetDlgItemText) returns empty string. After using Spy++ I noticed that the dialog box gets IRichEditOle interface and seems to encapsulate the string into OLE object. Here is what I tried to do: IRichEditOle richEditOleObj = null; IntPtr ppv = IntPtr.Zero; Guid guid = new Guid("00020D00-0000-0000-c000-000000000046"); Marshal.QueryInterface(pRichEdit, ref guid, out ppv); richEditOleObj = (IRichEditOle)Marshal.GetTypedObjectForIUnknown(ppv,typeof(IRichEditOle)); judging by GetObjectCount() method of the interface there is exactly one object in the textbox - most likely the string I need to extract. I used GetObject() method and got IOleObject interface via QueryInterface : if (richEditOleObj.GetObject(0, reObject, GetObjectOptions.REO_GETOBJ_ALL_INTERFACES) == 0) //S_OK { IntPtr oleObjPpv = IntPtr.Zero; try { IOleObject oleObject = null; Guid objGuid = new Guid("00000112-0000-0000-C000-000000000046"); Marshal.QueryInterface(reObject.poleobj, ref objGuid, out oleObjPpv); oleObject = (IOleObject)Marshal.GetTypedObjectForIUnknown(oleObjPpv, typeof(IOleObject)); To negate other possibilites I tried to QueryInteface IRichEditOle to ITextDocument but this also returned empty string; tried to send EM_STREAMOUT message and read buffer returned from callback - returned empty buffer. And on this point I got stuck. Googling didn't help much - couldn't find anything that was relevant to my issue - it seems that vast majority of examples on the net about IRichEditOle and RichEdit revolve around inserting bitmap into RichEdit control... Now since I know only basic stuff about COM and OLE , I guess I am missing something important here. I would appreciate any thoughts suggestions or remarks.

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• Connect to a site using proxy code in java

  - by Nithin

  I want to connect to as site through proxy in java.This is the code which I have written public class ConnectThroughProxy { Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress("proxy ip", 8080)); public static void main(String[] args) { try{ URL url = new URL("http://www.rgagnon.com/javadetails/java-0085.html"); URLConnection connection=url.openConnection(); String encoded = new String(Base64.encode(new String("user_name:pass_word").getBytes())); connection.setDoOutput(true); connection.setRequestProperty("Proxy-Authorization","Basic "+encoded); String page=""; String line; StringBuffer tmp = new StringBuffer(); BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream())); while ((line=in.readLine()) != null){ page.concat(line + "\n"); } System.out.println(page); }catch(Exception ex){ ex.printStackTrace(); } } while trying to run this code it throws the following error java.lang.IllegalArgumentException: Illegal character(s) in message header value: Basic dXNlcl9uYW1lOnBhc3Nfd29yZA== at sun.net.www.protocol.http.HttpURLConnection.checkMessageHeader(HttpURLConnection.java:323) at sun.net.www.protocol.http.HttpURLConnection.setRequestProperty(HttpURLConnection.java:2054) at test.ConnectThroughProxy.main(ConnectThroughProxy.java:30) Any Idea how to do it.

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• Python - Code snippet not working on Python 2.5.6, using IDLE

  - by Francisco P.

  Hello, everyone I am using a piece of self-modifying code for a college project. Here it is: import datetime import inspect import re import sys def main(): # print the time it is last run lastrun = 'Mon Jun 8 16:31:27 2009' print "This program was last run at ", print lastrun # read in the source code of itself srcfile = inspect.getsourcefile(sys.modules[__name__]) f = open(srcfile, 'r') src = f.read() f.close() # modify the embedded timestamp timestamp = datetime.datetime.ctime(datetime.datetime.now()) match = re.search("lastrun = '(.*)'", src) if match: src = src[:match.start(1)] + timestamp + src[match.end(1):] # write the source code back f = open(srcfile, 'w') f.write(src) f.close() if __name__=='__main__': main() Unfortunately, it doesn't work. Error returned: # This is the script's output This program is last run at Mon Jun 8 16:31:27 2009 # This is the error message Traceback (most recent call last): File "C:\Users\Rui Gomes\Desktop\teste.py", line 30, in <module> main() File "C:\Users\Rui Gomes\Desktop\teste.py", line 13, in main srcfile = inspect.getsourcefile(sys.modules[__name__]) File "C:\Python31\lib\inspect.py", line 439, in getsourcefile filename = getfile(object) File "C:\Python31\lib\inspect.py", line 401, in getfile raise TypeError('{!r} is a built-in module'.format(object)) TypeError: <module '__main__' (built-in)> is a built-in module I'd be thankful for any solutions.

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• iPhone programming - problem with CoreFoundation forking, PLEASE for the love of god help! lol

  - by Tom

  Hello all, I've been working on an iPhone for several months. It's a 2d shooting game akin to the old Smash TV type games. I'm doing everything alone and it has come out well so far, but now I am getting unpredictable crashes which seem to be related to CoreFoundation forking and not exec()ing, as the message THE_PROCESS_HAS_FORKED_AND_YOU_CANNOT_USE_THIS_COREFOUNDATION_FUNCTIONA LITY_YOU_MUST_EXEC__ always shows up somewhere in the debugger. Usually it shows up around a CFRunLoopRunSpecific and is related to either a timer firing or _InitializeTouchTapCount. I cannot figure out exactly what is causing the fork to occur. My main game loop is running on a timer, first updating all the logic and then drawing everything with openGL. There is nothing highly complex or unusual. I understand you cannot make CF calls on the childside of a fork, or access shared memory and things like that. I am not explicitly trying to fork anything. My question is: can anyone tell me what type of activity might cause CoreFoundation to randomly fork like this? I'd really like to finish this game and I don't know how to solve this problem. Thanks for any help.

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• NoSuchMethodError: com/sun/istack/logging/Logger.getLogger

  - by pandi-sus

  I developed a webservice and deployed it to websphere 7.0 and developed a dynamic dispatch client using JAX-WS APIs which also runs on same application server. I get error at the following line: Dispatch dispatch = service.createDispatch(portName, SOAPMessage.class, Service.Mode.MESSAGE); Error: Caused by: java.lang.NoSuchMethodError: com/sun/istack/logging/Logger.getLogger(Ljava/lang/Class;)Lcom/sun/istack/logging/Logger; at com.sun.xml.ws.api.config.management.policy.ManagementAssertion.(ManagementAssertion.java:87) at java.lang.J9VMInternals.initializeImpl(Native Method) at java.lang.J9VMInternals.initialize(J9VMInternals.java:200) at java.lang.J9VMInternals.initialize(J9VMInternals.java:167) at com.sun.xml.ws.server.MonitorBase.createManagedObjectManager(MonitorBase.java:177) at com.sun.xml.ws.client.Stub.(Stub.java:196) at com.sun.xml.ws.client.Stub.(Stub.java:174) at com.sun.xml.ws.client.dispatch.DispatchImpl.(DispatchImpl.java:129) at com.sun.xml.ws.client.dispatch.SOAPMessageDispatch.(SOAPMessageDispatch.java:77) at com.sun.xml.ws.api.pipe.Stubs.createSAAJDispatch(Stubs.java:143) at com.sun.xml.ws.api.pipe.Stubs.createDispatch(Stubs.java:264) at com.sun.xml.ws.client.WSServiceDelegate.createDispatch(WSServiceDelegate.java:390) at com.sun.xml.ws.client.WSServiceDelegate.createDispatch(WSServiceDelegate.java:401) at com.sun.xml.ws.client.WSServiceDelegate.createDispatch(WSServiceDelegate.java:383) at javax.xml.ws.Service.createDispatch(Service.java:336) I included the following dependency. javax.xml.ws jaxws-api 2.1 I also tried adding policy dependency (versions - 2.2 and 2.2.1) com.sun.xml.ws policy 2.2.1 Any ideas on what more dependencies I need to add?

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• Facebook JS API: How to get FB.Connect.streamPublish to use auto_publish

  - by Prody

  I'm trying to publish stuff to someone's wall. It works, but I'm also trying to use the auto_publish feature so the user will only get one popup granting the publish_stream extended permission. So I set streamPublish's auto_publish to true, but I still get the popup asking me if I want to publish and/or edit the message. What am I doing wrong? Here's what I'm running: FB.ensureInit(function () { FB.Facebook.get_sessionState().waitUntilReady(function() { FB.Connect.showPermissionDialog("publish_stream", function(perms) { if (perms == "publish_stream") { FB.Facebook.apiClient.friends_get(null, function(result) { var markup = ""; var targets = result; targets = [testFriendsIDForTesting]; var attachment = { name: "Blablabla", href: window.location.href, description: "description", caption: "caption" }; var actionLinks = [{ text: "View", href: window.location.href }]; var num_targets = targets.length; for (var i=0; i<num_targets; i++) { var fId = targets[i]; FB.Connect.streamPublish("none", attachment, actionLinks, fId, "none", null, false); } }); } }); }); });

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• Retrieve blob field from mySQL database with MATLAB

  - by yuk

  I'm accessing public mySQL database using JDBC and mySQL java connector. exonCount is int(10), exonStarts and exonEnds are longblob fields. javaaddpath('mysql-connector-java-5.1.12-bin.jar') host = 'genome-mysql.cse.ucsc.edu'; user = 'genome'; password = ''; dbName = 'hg18'; jdbcString = sprintf('jdbc:mysql://%s/%s', host, dbName); jdbcDriver = 'com.mysql.jdbc.Driver'; dbConn = database(dbName, user , password, jdbcDriver, jdbcString); gene.Symb = 'CDKN2B'; % Check to make sure that we successfully connected if isconnection(dbConn) qry = sprintf('SELECT exonCount, exonStarts, exonEnds FROM refFlat WHERE geneName=''%s''',gene.Symb); result = get(fetch(exec(dbConn, qry)), 'Data'); fprintf('Connection failed: %s\n', dbConn.Message); end Here is the result: result = [2] [18x1 int8] [18x1 int8] [2] [18x1 int8] [18x1 int8] result{1,2}' ans = 50 49 57 57 50 57 48 49 44 50 49 57 57 56 54 55 51 44 This is wrong. The length of 2nd and 3rd columnsshould match the number in the 1st column. The 1st blob, for example, should be [21992901; 21998673]. How I can convert it? Update: Just after submitting this question I thought it might be hex representation of a string. And it was confirmed: >> char(result{1,2}') ans = 21992901,21998673, So now I need to convert all blobs hex data into numeric vectors. Still thinking to do it in a vectorized way, since number of rows can be large.

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• InstallUtil Publishing WMI Schema to 64 Bit Directory Instead of 32 Bit Directory

  - by Nick

  This is similar to this question, but it doesn't look like a good solution was ever determined, so I'm opening a new one with clarified details. We wrote a .NET service, which among other things, publishes some of the class hierarchy using WMI. On a 64-Bit machine, we are running the 32-bit version of InstallUtil to install the service. It installs successfully, but when the service runs, we receive the following error message when publishing a WMI class using Instrumentation.Publish() DirectoryNotFoundException - (Could not find a part of the path 'C:\Windows\system32\WBEM\Framework\root\MyNamespace\MyService'.) However, this directory does exist in the C:\Windows\syswow64 directory. If we manually copy that directory structure to the system32 directory, then everything works. However, we are looking for automated solution, because we have this packaged up in an MSI which we distribute onto many servers. We have tried running the 64-Bit version of InstallUtil, to see if that would work, however... and this is the really weird part... it gives us an error on install that says Installing WMI Schema: Started An exception occurred during the Install phase. System.IO.DirectoryNotFoundException: Could not find a part of the path 'C:\Windows\system32\WBEM\Framework\root\MyNamespace\MyService.mof'. It looks as if somehow, the WMI installer flipped around. Has anyone else experienced this, or know of a work around?

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• Exporting non-public type through public API

  - by feelgood

  What if I have few factory methods returning non-public type and pairing set of methods which gives variables of this non-public type? This results with titled warning message in NetBeans. In result public API will contain only two pairing sets of methods. The reason is to make my type hierarchy sealed (like seald classes in Scala) and allow users only instantiate these types through factory methods. So we get DSL in some sense. For example, Schedule class represented by calendar fields' contraints. There are some types of contraints - Range, Singleton, List, FullSet - with NumberSet interface as a root. We don't want to expose these types and how Schedule interact with them. We just want the specification from the user. So we make NumberSet package-private. In class Schedule we create few factory-methods for constraints: NumberSet singleton(int value); NumberSet range(int form, int to); NumberSet list(NumberSet ... components); and some methods for creating Schedule object: Schedule everyHour(NumberSet minutes); Schedule everyDay(NumberSet minutes, NumberSet hours); User can only use them in the manner: Schedule s = Schedule.everyDay( singleton(0), list(range(10-15), singleton(8)) ); Is it bad idea?

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• Receiving broadcast messages

  - by Prasad

  Hi, I'm trying to receive broadcast messages using C# code in an ISDN network with BRI interface at my end. I see the packets sent to the broadcast ip address (239.255.255.255) on some ports using Comm View tool. But when I try to listen to this IP address, it says the address is not in a valid context. But when I send broadcast messages to 255.255.255.255 on a port, I can receive those messages with the below code.. What could be the problem with this ip address - 239.255.255.255 ? The code I use to listen to broadcast messages is.. UdpClient udp = new UdpClient(); IPEndPoint receiveEndPoint = new IPEndPoint(IPAddress.Any, 8013); // If I use IPAddress.Parse("239.255.255.255") to listen to, // it says "the address is not in a valid // context." udp.Client.Bind(receiveEndPoint); udp.BeginReceive(_Callback, udp); static private void _Callback(IAsyncResult iar) { try { UdpClient client = (UdpClient)iar.AsyncState; client.BeginReceive(_Callback, client); IPEndPoint ipRemote = new IPEndPoint(IPAddress.Any, 8013); byte[] rgb = client.EndReceive(iar, ref ipRemote); Console.WriteLine("Received {0} bytes: \"{1}\"", rgb.Length.ToString(), Encoding.UTF8.GetString(rgb)); } catch (ObjectDisposedException) { Console.WriteLine("closing listening socket"); } catch (Exception exc) { Console.WriteLine("Listening socket error: \"" + exc.Message + "\""); } } There are packets sent to the broadcast ipaddress (239.255.255.255) which I can see in Commview tool, but can't receive them from the code... Can anybody help me out please? Thanking you in advance, Prasad Kancharla.

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• COM Exceptions in C#

  - by Yaron Naveh

  I am consuming a cpp COM object from c# code. My c# code looks like this: try { var res = myComServer.GetSomething(); } catch (Exception e) { } However the exception never contains any of the details I set in cpp, in particular my error message. In my cpp side I have followed several examples I have found on the web: ... ICreateErrorInfo *pcerrinfo; IErrorInfo *perrinfo; HRESULT hr; hr = CreateErrorInfo(&pcerrinfo); pcerrinfo->SetDescription(L"C++ Exception"); hr = pcerrinfo->QueryInterface(IID_IErrorInfo, (LPVOID FAR*) &perrinfo); if (SUCCEEDED(hr)) { SetErrorInfo(0, perrinfo); perrinfo->Release(); } pcerrinfo->Release(); return E_FAIL; // E_FAIL or other appropriate failure code ... Am I missing anything? Is there anything else that could affect this, like marshaling, the interop creation or attributes of the com server itself?

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• IncludeExceptionDetailInFaults not behaving as thought

  - by pdiddy

  I have this simple test project just to test the IncludeExceptionDetailInFaults behavior. public class Service1 : IService1 { public string GetData(int value) { throw new InvalidCastException("test"); return string.Format("You entered: {0}", value); } } [ServiceContract] public interface IService1 { [OperationContract] string GetData(int value); } In the app.config of the service i have it set to true <serviceDebug includeExceptionDetailInFaults="True" /> On the client side: try { using (var proxy = new ServiceReference1.Service1Client()) Console.WriteLine(proxy.GetData(5)); } catch (Exception ex) { Console.WriteLine(ex.Message); } This is what I thought the behavior was: Setting to includeExceptionDetailInFaults=true would propagate the exception detail to the client. But I'm always getting the CommunicationObjectFaultException. I did try having the FaultContract(typeof(InvalidCastException)) on the contract but same behavior, only getting the CommunicationObjectFaultException. The only way to make it work was to throw new FaultException(new InvalidCastException("test")); But I thought with IncludeExceptionDetailInFaults=true the above was done automatically. Am I missing something?

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• How to display NotifyIcon and SSDP Service running during AutoLogon

  - by Paul Farry

  I've got an application (that is targetting .Net Framework 2.0) that is running on startup of the System, and I'm trying to get a NotifyIcon to display. When my program starts up when a user either Runs it normally or is started as a child process after the system has already logged on everything is fine. If my application starts up as the system is performing an AutoLogon using POSReady2009 (basically XP with Single User set). Then the NotifyIcon never becomes active. If you subsequently check (in a timer) the .Visible of the Icon at any point later it always reports that it is visible = true. If you disable the SSDPSrv and restart the Computer, the Icon displays correctly. I have a sneaking suspicion this is related to .Net 3.5sp1 installed over the top of a .Net 2 system. Is there some process that I should be following to ensure that my NotifyIcon is always available to the user. I have setup RegisterWindowMessage("TaskbarCreated") but I don't get this message called, except when you forcilbly Kill Explorer.exe and restart it. Even so, a NotifyIcon interally registers for these notifications anyway, so it shouldn't be required. I'm happy to stall the startup of my program, but once the program starts up, I expect that the icon shows correctly. If there is a KB article that I cannot find detailing this I'd be happy with that too.

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• vimscript: calling dictionary functions with call()

  - by intuited

  I'm hoping to call a "static" dictionary function using call(). By "static" I mean that the keyword 'dict' is not used in the function's definition. I use this nomenclature in the hopes that the effect of this keyword is to declare a static member function as is possible in java/C++/etc, ie to put the function name in the class namespace but allow it to be called without referencing an object. However this doesn't seem to work. For example: " Setup: let testdict = { } funct! testdict.funct() echo "called" endfunct " Tests: " Following each line is an indented comment " containing its output in message land, ie what was echoed. call testdict.funct() " called echo testdict.funct " 667 echo string(testdict.funct) " function('667') echo function('667') " E475: Invalid argument: 667 echo function('testdict.funct') " testdict.funct call call(testdict.funct, [ ]) " E725: Calling dict function without Dictionary: 667 " Same deal if there's an intermediate variable involved. let TestdictDotFunct = testdict.funct echo TestdictDotFunct " 667 echo string(TestdictDotFunct) " function('667') call TestdictDotFunct() " E725: Calling dict function without Dictionary: 667 From the help topic E725: It is also possible to add a function without the "dict" attribute as a Funcref to a Dictionary, but the "self" variable is not available then. So logic would seem to indicate that if "self" is not available, then it should be possible to call the function referenced by the Funcref without a Dictionary. However this doesn't seem to be the case. Am I missing something? Vim version info: $ aptitude show vim-gnome Package: vim-gnome State: installed Automatically installed: no Version: 2:7.2.245-2ubuntu2

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• SQL Server 2008 Express Edition Connection Problem

  - by waqasahmed

  I have VS 2008 Professional Edition. After the installation (which included SQL Server 2008), I decided to install SQL Server 2008 Express Edition with Advanced Tools (so I could get SQL Server Management Studio on it). So I uninstalled the SQL Express that came with VS 2008, and installed the standalone SQL Server Express 2008 version with advanced tools. However, When I try to logon onto SQL Server Management Studio using: .\SQLEXPRESS as Server name and Windows Authentication as the authentication, I get the following message: TITLE: Connect to Server ------------------------------ Cannot connect to .\SQLEXPRESS. ------------------------------ ADDITIONAL INFORMATION: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) (Microsoft SQL Server, Error: -1) For help, click: http//go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=-1&LinkId=20476 ------------------------------ BUTTONS: OK ------------------------------ Any suggestions on how to get it to work? I have tried disabling Windows Firewall as well and still no luck. I am using WIndows Vista and SQL Server 2008 Express SP1 Patch has also been applied recently.

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• Jquery - Loop through Checkboxes and Multiple elements

  - by Vincent

  All, I have a set of elements like this in a form: <input type="checkbox" name="chk[140]"> <input type="hidden" value="3" name="ctcount[140]"> <input type="hidden" value="Apples" name="catname[140]"> <input type="checkbox" name="chk[142]"> <input type="hidden" value="20" name="ctcount[142]"> <input type="hidden" value="Bananas" name="catname[142]"> <input type="checkbox" name="chk[144]"> <input type="hidden" value="200" name="ctcount[144]"> <input type="hidden" value="Strawberries" name="catname[144]"> <input type="checkbox" name="chk[145]"> <input type="hidden" value="0" name="ctcount[145]"> <input type="hidden" value="Carrots" name="catname[145]"> When a user clicks a button, I want the Javascript to: 1. Loop through all the checkboxes 2. For all the checked checkboxes, 2a. Get ctcount value 2b. Get catname value 2c. If ctcount value > 50, alert a message saying "Unable to add item as max limit for 'catname' has reached. 2d. Break the loop after it encountered first ctcount value that is greater than 50. I am new to JQuery..have the following code so far: var checklimit = 50; $('#frmTest input:checkbox:checked').each(function(i) { alert(this.value); }); How do I do this using JQuery? Thanks

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• Problem using a public key when connecting to a SSH server running on Cygwin

  - by Deleted

  We have installed Cygwin on a Windows Server 2008 Standard server and it working pretty well. Unfortunately we still have a big problem. We want to connect using a public key through SSH which doesn't work. It always falls back to using password login. We have appended our public key to ~/.ssh/authorized_keys on the server and we have our private and public key in ~/.ssh/id_dsa respective ~/.ssh/id_dsa.pub on the client. When debugging the SSH login session we see that the key is offered by the server apparently rejects it by some unknown reason. The SSH output when connecting from an Ubuntu 9.10 desktop with debug information enabled: $ ssh -v 192.168.10.11 OpenSSH_5.1p1 Debian-6ubuntu2, OpenSSL 0.9.8g 19 Oct 2007 debug1: Reading configuration data /home/myuseraccount/.ssh/config debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for debug1: Connecting to 192.168.10.11 [192.168.10.11] port 22. debug1: Connection established. debug1: identity file /home/myuseraccount/.ssh/identity type -1 debug1: identity file /home/myuseraccount/.ssh/id_rsa type -1 debug1: identity file /home/myuseraccount/.ssh/id_dsa type 2 debug1: Checking blacklist file /usr/share/ssh/blacklist.DSA-1024 debug1: Checking blacklist file /etc/ssh/blacklist.DSA-1024 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.3 debug1: match: OpenSSH_5.3 pat OpenSSH debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.1p1 Debian-6ubuntu2 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-cbc hmac-md5 none debug1: kex: client->server aes128-cbc hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Host '192.168.10.11' is known and matches the RSA host key. debug1: Found key in /home/myuseraccount/.ssh/known_hosts:12 debug1: ssh_rsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey,password,keyboard-interactive debug1: Next authentication method: publickey debug1: Offering public key: /home/myuseraccount/.ssh/id_dsa debug1: Authentications that can continue: publickey,password,keyboard-interactive debug1: Trying private key: /home/myuseraccount/.ssh/identity debug1: Trying private key: /home/myuseraccount/.ssh/id_rsa debug1: Next authentication method: keyboard-interactive debug1: Authentications that can continue: publickey,password,keyboard-interactive debug1: Next authentication method: password [email protected]'s password: The version of Cygwin: $ uname -a CYGWIN_NT-6.0 servername 1.7.1(0.218/5/3) 2009-12-07 11:48 i686 Cygwin The installed packages: $ cygcheck -c Cygwin Package Information Package Version Status _update-info-dir 00871-1 OK alternatives 1.3.30c-10 OK arj 3.10.22-1 OK aspell 0.60.5-1 OK aspell-en 6.0.0-1 OK aspell-sv 0.50.2-2 OK autossh 1.4b-1 OK base-cygwin 2.1-1 OK base-files 3.9-3 OK base-passwd 3.1-1 OK bash 3.2.49-23 OK bash-completion 1.1-2 OK bc 1.06-2 OK bzip2 1.0.5-10 OK cabextract 1.1-1 OK compface 1.5.2-1 OK coreutils 7.0-2 OK cron 4.1-59 OK crypt 1.1-1 OK csih 0.9.1-1 OK curl 7.19.6-1 OK cvs 1.12.13-10 OK cvsutils 0.2.5-1 OK cygrunsrv 1.34-1 OK cygutils 1.4.2-1 OK cygwin 1.7.1-1 OK cygwin-doc 1.5-1 OK cygwin-x-doc 1.1.0-1 OK dash 0.5.5.1-2 OK diffutils 2.8.7-2 OK doxygen 1.6.1-2 OK e2fsprogs 1.35-3 OK editrights 1.01-2 OK emacs 23.1-10 OK emacs-X11 23.1-10 OK file 5.04-1 OK findutils 4.5.5-1 OK flip 1.19-1 OK font-adobe-dpi75 1.0.1-1 OK font-alias 1.0.2-1 OK font-encodings 1.0.3-1 OK font-misc-misc 1.1.0-1 OK fontconfig 2.8.0-1 OK gamin 0.1.10-10 OK gawk 3.1.7-1 OK gettext 0.17-11 OK gnome-icon-theme 2.28.0-1 OK grep 2.5.4-2 OK groff 1.19.2-2 OK gvim 7.2.264-1 OK gzip 1.3.12-2 OK hicolor-icon-theme 0.11-1 OK inetutils 1.5-6 OK ipc-utils 1.0-1 OK keychain 2.6.8-1 OK less 429-1 OK libaspell15 0.60.5-1 OK libatk1.0_0 1.28.0-1 OK libaudio2 1.9.2-1 OK libbz2_1 1.0.5-10 OK libcairo2 1.8.8-1 OK libcurl4 7.19.6-1 OK libdb4.2 4.2.52.5-2 OK libdb4.5 4.5.20.2-2 OK libexpat1 2.0.1-1 OK libfam0 0.1.10-10 OK libfontconfig1 2.8.0-1 OK libfontenc1 1.0.5-1 OK libfreetype6 2.3.12-1 OK libgcc1 4.3.4-3 OK libgdbm4 1.8.3-20 OK libgdk_pixbuf2.0_0 2.18.6-1 OK libgif4 4.1.6-10 OK libGL1 7.6.1-1 OK libglib2.0_0 2.22.4-2 OK libglitz1 0.5.6-10 OK libgmp3 4.3.1-3 OK libgtk2.0_0 2.18.6-1 OK libICE6 1.0.6-1 OK libiconv2 1.13.1-1 OK libidn11 1.16-1 OK libintl3 0.14.5-1 OK libintl8 0.17-11 OK libjasper1 1.900.1-1 OK libjbig2 2.0-11 OK libjpeg62 6b-21 OK libjpeg7 7-10 OK liblzma1 4.999.9beta-10 OK libncurses10 5.7-18 OK libncurses8 5.5-10 OK libncurses9 5.7-16 OK libopenldap2_3_0 2.3.43-1 OK libpango1.0_0 1.26.2-1 OK libpcre0 8.00-1 OK libpixman1_0 0.16.6-1 OK libpng12 1.2.35-10 OK libpopt0 1.6.4-4 OK libpq5 8.2.11-1 OK libreadline6 5.2.14-12 OK libreadline7 6.0.3-2 OK libsasl2 2.1.19-3 OK libSM6 1.1.1-1 OK libssh2_1 1.2.2-1 OK libssp0 4.3.4-3 OK libstdc++6 4.3.4-3 OK libtiff5 3.9.2-1 OK libwrap0 7.6-20 OK libX11_6 1.3.3-1 OK libXau6 1.0.5-1 OK libXaw3d7 1.5D-8 OK libXaw7 1.0.7-1 OK libxcb-render-util0 0.3.6-1 OK libxcb-render0 1.5-1 OK libxcb1 1.5-1 OK libXcomposite1 0.4.1-1 OK libXcursor1 1.1.10-1 OK libXdamage1 1.1.2-1 OK libXdmcp6 1.0.3-1 OK libXext6 1.1.1-1 OK libXfixes3 4.0.4-1 OK libXft2 2.1.14-1 OK libXi6 1.3-1 OK libXinerama1 1.1-1 OK libxkbfile1 1.0.6-1 OK libxml2 2.7.6-1 OK libXmu6 1.0.5-1 OK libXmuu1 1.0.5-1 OK libXpm4 3.5.8-1 OK libXrandr2 1.3.0-10 OK libXrender1 0.9.5-1 OK libXt6 1.0.7-1 OK links 1.00pre20-1 OK login 1.10-10 OK luit 1.0.5-1 OK lynx 2.8.5-4 OK man 1.6e-1 OK minires 1.02-1 OK mkfontdir 1.0.5-1 OK mkfontscale 1.0.7-1 OK openssh 5.4p1-1 OK openssl 0.9.8m-1 OK patch 2.5.8-9 OK patchutils 0.3.1-1 OK perl 5.10.1-3 OK rebase 3.0.1-1 OK run 1.1.12-11 OK screen 4.0.3-5 OK sed 4.1.5-2 OK shared-mime-info 0.70-1 OK tar 1.22.90-1 OK terminfo 5.7_20091114-13 OK terminfo0 5.5_20061104-11 OK texinfo 4.13-3 OK tidy 041206-1 OK time 1.7-2 OK tzcode 2009k-1 OK unzip 6.0-10 OK util-linux 2.14.1-1 OK vim 7.2.264-2 OK wget 1.11.4-4 OK which 2.20-2 OK wput 0.6.1-2 OK xauth 1.0.4-1 OK xclipboard 1.1.0-1 OK xcursor-themes 1.0.2-1 OK xemacs 21.4.22-1 OK xemacs-emacs-common 21.4.22-1 OK xemacs-sumo 2007-04-27-1 OK xemacs-tags 21.4.22-1 OK xeyes 1.1.0-1 OK xinit 1.2.1-1 OK xinput 1.5.0-1 OK xkbcomp 1.1.1-1 OK xkeyboard-config 1.8-1 OK xkill 1.0.2-1 OK xmodmap 1.0.4-1 OK xorg-docs 1.5-1 OK xorg-server 1.7.6-2 OK xrdb 1.0.6-1 OK xset 1.1.0-1 OK xterm 255-1 OK xz 4.999.9beta-10 OK zip 3.0-11 OK zlib 1.2.3-10 OK zlib-devel 1.2.3-10 OK zlib0 1.2.3-10 OK The ssh deamon configuration file: $ cat /etc/sshd_config # $OpenBSD: sshd_config,v 1.80 2008/07/02 02:24:18 djm Exp $ # This is the sshd server system-wide configuration file. See # sshd_config(5) for more information. # This sshd was compiled with PATH=/bin:/usr/sbin:/sbin:/usr/bin # The strategy used for options in the default sshd_config shipped with # OpenSSH is to specify options with their default value where # possible, but leave them commented. Uncommented options change a # default value. Port 22 #AddressFamily any #ListenAddress 0.0.0.0 #ListenAddress :: # Disable legacy (protocol version 1) support in the server for new # installations. In future the default will change to require explicit # activation of protocol 1 Protocol 2 # HostKey for protocol version 1 #HostKey /etc/ssh_host_key # HostKeys for protocol version 2 #HostKey /etc/ssh_host_rsa_key #HostKey /etc/ssh_host_dsa_key # Lifetime and size of ephemeral version 1 server key #KeyRegenerationInterval 1h #ServerKeyBits 1024 # Logging # obsoletes QuietMode and FascistLogging #SyslogFacility AUTH #LogLevel INFO # Authentication: #LoginGraceTime 2m #PermitRootLogin yes StrictModes no #MaxAuthTries 6 #MaxSessions 10 RSAAuthentication yes PubkeyAuthentication yes AuthorizedKeysFile .ssh/authorized_keys # For this to work you will also need host keys in /etc/ssh_known_hosts #RhostsRSAAuthentication no # similar for protocol version 2 #HostbasedAuthentication no # Change to yes if you don't trust ~/.ssh/known_hosts for # RhostsRSAAuthentication and HostbasedAuthentication #IgnoreUserKnownHosts no # Don't read the user's ~/.rhosts and ~/.shosts files #IgnoreRhosts yes # To disable tunneled clear text passwords, change to no here! #PasswordAuthentication yes #PermitEmptyPasswords no # Change to no to disable s/key passwords #ChallengeResponseAuthentication yes # Kerberos options #KerberosAuthentication no #KerberosOrLocalPasswd yes #KerberosTicketCleanup yes #KerberosGetAFSToken no # GSSAPI options #GSSAPIAuthentication no #GSSAPICleanupCredentials yes # Set this to 'yes' to enable PAM authentication, account processing, # and session processing. If this is enabled, PAM authentication will # be allowed through the ChallengeResponseAuthentication and # PasswordAuthentication. Depending on your PAM configuration, # PAM authentication via ChallengeResponseAuthentication may bypass # the setting of "PermitRootLogin without-password". # If you just want the PAM account and session checks to run without # PAM authentication, then enable this but set PasswordAuthentication # and ChallengeResponseAuthentication to 'no'. #UsePAM no AllowAgentForwarding yes AllowTcpForwarding yes GatewayPorts yes X11Forwarding yes X11DisplayOffset 10 X11UseLocalhost no #PrintMotd yes #PrintLastLog yes TCPKeepAlive yes #UseLogin no UsePrivilegeSeparation yes #PermitUserEnvironment no #Compression delayed #ClientAliveInterval 0 #ClientAliveCountMax 3 #UseDNS yes #PidFile /var/run/sshd.pid #MaxStartups 10 #PermitTunnel no #ChrootDirectory none # no default banner path #Banner none # override default of no subsystems Subsystem sftp /usr/sbin/sftp-server # Example of overriding settings on a per-user basis #Match User anoncvs #X11Forwarding yes #AllowTcpForwarding yes #ForceCommand cvs server I hope this information is enough to solve the problem. In case any more is needed please comment and I'll add it. Thank you for reading!

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• How to fill DataGridView from nested table oracle

  - by arkadiusz85

  I want to create my type: CREATE TYPE t_read AS OBJECT ( id_worker NUMBER(20), how_much NUMBER(5,2), adddate_r DATE, date_from DATE, date_to DATE ); I create a table of my type: CREATE TYPE t_tab_read AS TABLE OF t_read; Next step is create a table with my type: enter code hereCREATE TABLE Reading ( id_watermeter NUMBER(20) constraint Watermeter_fk1 references Watermeters(id_watermeter), read t_tab_read ) NESTED TABLE read STORE AS store_read ; Microsoft Visual Studio can not display this type in DataGridView. I use Oracle.Command: C# using Oracle.DataAccess; using Oracle.DataAccess.Client; private void button1_Click(object sender, EventArgs e) { try { //my working class to connect to database ConnectionClass.BeginConnection(); OracleDataAdapter tmp = new OracleDataAdapter(); tmp = ConnectionClass.ReadCommand(ReadClass.test()); DataSet dataset4 = new DataSet(); tmp.Fill(dataset4, "Read1"); dataGridView4.DataSource = dataset4.Tables["Read1"]; } catch (Exception o) { MessageBox.Show(o.Message); } public class ReadClass { public static OracleCommand test() { string sql = "select c.id_watermeter, a. from reading c , table (c.read) a where id_watermeter=1"; ConnectionClass.Command1= new OracleCommand(sql, ConnectionClass.Connection); ConnectionClass.Command1.CommandType = CommandType.Text; return ConnectionClass.Command1; } } I tray: string sql = "select r.id_watermeter, o.id_worker, o.how_much, o.adddate_r, o.date_from, o.date_to from reading r, table (r.read) o where r.id_watermeter=1" string sql = "select a.from reading c , Table (c.read) a where id_watermeter=1" string sql = "select a.id_worker, a.how_much, a.adddate_r, a.date_from, a.date_to from reading c , table (c.read) a where id_watermeter=1" string sql = "select c.id_watermeter, a. from reading c , table (c.read) a where id_watermeter=1" Error : Unsuported Oracle data type USERDEFINED encountered Sombady can help me how to fill DataGridView using data from nested table. I am using Oracle 10g XE

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• nHibernate Domain Model and Mapping Files in Separate Projects

  - by Blake Blackwell

  Is there a way to separate out the domain objects and mapping files into two separate projects? I would like to create one project called MyCompany.MyProduct.Core that contains my domain model, and another project that is called MyCompany.MYProduct.Data.Oracle that contains my Oracle data mappings. However, when I try to unit test this I get the following error message: Named query 'GetClients' not found. Here is my mapping file: <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" assembly="MyCompany.MyProduct.Core" namespace="MyCompany.MyProduct.Core" > <class name="MyCompany.MyProduct.Core.Client" table="MY_CLIENT" lazy="false"> <id name="ClientId" column="ClientId"></id> <property name="ClientName" column="ClientName" /> <loader query-ref="GetClients"/> </class> <sql-query name="GetClients" callable="true"> <return class="Client" /> call procedure MyPackage.GetClients(:int_SummitGroupId) </sql-query> </hibernate-mapping> Here is my unit test: try { var cfg = new Configuration(); cfg.Configure(); cfg.AddAssembly( typeof( Client ).Assembly ); ISessionFactory sessionFactory = cfg.BuildSessionFactory(); IStatelessSession session = sessionFactory.OpenStatelessSession(); IQuery query = session.GetNamedQuery( "GetClients" ); query.SetParameter( "int_SummitGroupId", 3173 ); IList<Client> clients = query.List<Client>(); Assert.AreNotEqual( 0, clients.Count ); } catch( Exception ex ) { throw ex; } I think I may be improperly referencing the assembly, because if I do put the domain model object in the MyComapny.MyProduct.Data.Oracle class it works. Only when I separate out in to two projects do I run into this problem.

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• Episerver Scheduled Job fails (scheduler service)

  - by Igor

  Our scheduled jobs started failing since yesterday with the following error message: CustomUpdate.Execute - System.NullReferenceException: Object reference not set to an instance of an object. at System.Web.Security.Roles.GetRolesForUser(String username) at EPiServer.Security.PrincipalInfo.CreatePrincipal(String username) The scheduled job uses anonymous execution and logs in programmatically using the following call: if (PrincipalInfo.CurrentPrincipal.Identity.Name == string.Empty) { PrincipalInfo.CurrentPrincipal = PrincipalInfo.CreatePrincipal(ApplicationSettings.ScheduledJobUsername); } I have put in some more logging around PrincipalInfo.CreatePrincipal call which is in Episerver.Security and noticed that PrincipalInfo.CreatePrincipal calls System.Web.Security.Roles.GetRolesForUser(username) and Roles.GetRolesForUser(username) returns an empty string array. There were no changes code wise or on the server (updates, etc). I checked that the user name used to run the task is in the database and has roles associated with it. I checked that applicationname is set up correctly and is associated with the user If i run the job manually using the same user it executes with no issues (i know there is a difference between running the job manually and using the scheduler) I also tried creating a new user, that didn’t work either. Has anyone come across the same or similar issue? Any thoughts how to resolve this issue?

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• How can a data ellipse be superimposed on a ggplot2 scatterplot?

  - by Radu

  Hi, I have an R function which produces 95% confidence ellipses for scatterplots. The output looks like this, having a default of 50 points for each ellipse (50 rows): [,1] [,2] [1,] 0.097733810 0.044957994 [2,] 0.084433494 0.050337990 [3,] 0.069746783 0.054891438 I would like to superimpose a number of such ellipses for each level of a factor called 'site' on a ggplot2 scatterplot, produced from this command: > plat1 <- ggplot(mapping=aes(shape=site, size=geom), shape=factor(site)); plat1 + geom_point(aes(x=PC1.1,y=PC2.1)) This is run on a dataset, called dflat which looks like this: site geom PC1.1 PC2.1 PC3.1 PC1.2 PC2.2 1 Buhlen 1259.5649 -0.0387975838 -0.022889782 0.01355317 0.008705276 0.02441577 2 Buhlen 653.6607 -0.0009398704 -0.013076251 0.02898955 -0.001345149 0.03133990 The result is fine, but when I try to add the ellipse (let's say for this one site, called "Buhlen"): > plat1 + geom_point(aes(x=PC1.1,y=PC2.1)) + geom_path(data=subset(dflat, site="Buhlen"),mapping=aes(x=ELLI(PC1.1,PC2.1)[,1],y=ELLI(PC1.1,PC2.1)[,2])) I get an error message: "Error in data.frame(x = c(0.0977338099339815, 0.0844334944904515, 0.0697467834016782, : arguments imply differing number of rows: 50, 211 I've managed to fix this in the past, but I cannot remember how. It seems that geom_path is relying on the same points rather than plotting new ones. Any help would be appreciated.

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