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• How can I schedule tasks in a WinForms app?

  - by Greg

  QUESTION: How can I schedule tasks in a WinForms app? That is either (a) what is the best approach / .NET classes/methods to use of (b) if there is an open source component that does this well which one would be recommended. BACKGROUND: Winforms app (.NET v3.5, C#, VS2008) I'm assuming I will run the winforms application always, and just minimise to the system tray when not in use Want a simple approach (didn't want to get into separate service running that UI winforms app talks to etc) Want to be able to let the user select how often to schedule the sync (e.g. hourly, daily - pick time, etc) Ability to at the times when the scheduler fires to run a chunk of code (assume it could be wrapped as a backgroundworker task for example) The application is always running & appears in the system tray

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• Is it possible to use Windows Authentication to logon to Axapta 4 (or 5) in a Website/webservice

  - by rdkleine

  Using this code I can not create a connection using IIS 7 with Windows Authentication. try { Axapta axapta = new Axapta(); axapta.Logon("", "", "", ""); //Or this> axapta.Logon("COMPANY", "NL-nl", "OBJECTSERVER", ""); System.Diagnostics.Debug.WriteLine("yep"); axapta.Logoff(); } catch (Exception ex) { System.Diagnostics.Debug.WriteLine(ex.ToString()); } When changing App Pool Identity to a user with rights in Axapta then I can create a connection. So it seems like the App Pool Identity is used. Is it even possible to get this do without using the LogonAs method? Is there some other way short of asking the user for they're credentials? Appreciate any help on this, Ralf

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• How to extract digg data by digg api

  - by vamsivanka

  I am trying to extract digg data for a user using this url "http://services.digg.com/user/vamsivanka/diggs?count=25&appkey=34asd56asdf789as87df65s4fas6" and the web response is throwing an error "The remote server returned an error: (403) Forbidden." Please let me know. public static XmlTextReader CreateWebRequest(string url) { HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(url); webRequest.UserAgent = ".NET Framework digg Test Client"; webRequest.Credentials = System.Net.CredentialCache.DefaultCredentials; webRequest.Accept = "text/xml"; HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse(); System.IO.Stream responseStream = webResponse.GetResponseStream(); XmlTextReader reader = new XmlTextReader(responseStream); return reader; }

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• C# - setting a property by reflection with a string value

  - by David Hodgson

  Hi, I'd like to set a property of an object through reflection, with a value of type string. So, for instance, suppose I have a Ship class, with a property of Latitude, which is a double. Here's what I'd like to do: Ship ship = new Ship(); string value = "5.5"; PropertyInfo propertyInfo = ship.GetType().GetProperty("Latitude"); propertyInfo.SetValue(ship, value, null); As is, this throws an Argument exception (Object of type 'System.String' cannot be converted to type 'System.Double'). How can I convert value to the proper type, based on propertyInfo?

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• Custom HTML Helpers in ASP.NET MVC 2

  - by Interfector

  Hi, I want to create a pagination helper. The only parameters that it needs are currentpage, pagecount and routename. However, I do not know if it is possible to use the return value of another html helper inside the definition of my html helper. I am referring specifically to Html.RouteLink. How can I go about doing something like this in the class definition using System; using System.Web.Mvc; namespace MvcApplication1.Helpers { public static class LabelExtensions { public static string Label(this HtmlHelper helper, string routeName, int currentpage, int totalPages) { string html = ""; //Stuff I add to html //I'd like to generate a similar result as the helper bellow html .= Html.RouteLink( pageNo, routeName, new { page = pageNo - 1 } ); //Other stuff I do the html return html; } } } Thank you.

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• How to flip the origin.y of an CGRect?

  - by mystify

  I'm trying to draw an UIImageView, but the frame's origin is wrong when I flip the coordinate system for drawing not upside-down. CGRect imgRect = imgView.frame; imgRect.origin.y += 10.0f; CGContextTranslateCTM(context, 0.0f, imgRect.size.height); CGContextScaleCTM(context, 1.0f, -1.0f); CGContextDrawImage(context, imgRect, imgView.image.CGImage); like you can see I move the image down by 10, but instead of going down by 10, it goes UP by 10. That's completely unlogical since I had actually inverted the wrong coordinate system to look exactly like the one in UIView, right? What to do about it?

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• How to work with varargs and reflection

  - by PeterMmm

  Simple question, how make this code working ? public class T { public static void main(String[] args) throws Exception { new T().m(); } public // as mentioned by Bozho void foo(String... s) { System.err.println(s[0]); } void m() throws Exception { String[] a = new String[]{"hello", "kitty"}; System.err.println(a.getClass()); Method m = getClass().getMethod("foo", a.getClass()); m.invoke(this, (Object[]) a); } } Output: class [Ljava.lang.String; Exception in thread "main" java.lang.IllegalArgumentException: wrong number of arguments at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597)

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• GoDaddy and ASP.NET Security exception thrown

  - by stighy

  Hi guys, i'm having a problem when i try to host my website on godaddy. This is what i receive from website: Exception Details: System.Security.SecurityException: Request for the permission of type 'System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. To discover the problem, i've tried changin my web.config, adding "trust level='Medium'". But i get an error when i try to access godaddy mysql server with the mysql connector. Any ideas ? Thanks in advance !

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• Review my ASP.NET Authentication code.

  - by Niels Bosma

  I have had some problems with authentication in ASP.NET. I'm not used most of the built in authentication in .NET. I gotten some complaints from users using Internet Explorer (any version - may affect other browsers as well) that the login process proceeds but when redirected they aren't authenticated and are bounced back to loginpage (pages that require authentication check if logged in and if not redirect back to loginpage). Can this be a cookie problem? Do I need to check if cookies are enabled by the user? What's the best way to build authentication if you have a custom member table and don't want to use ASP.NET login controls? Here my current code: using System; using System.Linq; using MyCompany; using System.Web; using System.Web.Security; using MyCompany.DAL; using MyCompany.Globalization; using MyCompany.DAL.Logs; using MyCompany.Logging; namespace MyCompany { public class Auth { public class AuthException : Exception { public int StatusCode = 0; public AuthException(string message, int statusCode) : base(message) { StatusCode = statusCode; } } public class EmptyEmailException : AuthException { public EmptyEmailException() : base(Language.RES_ERROR_LOGIN_CLIENT_EMPTY_EMAIL, 6) { } } public class EmptyPasswordException : AuthException { public EmptyPasswordException() : base(Language.RES_ERROR_LOGIN_CLIENT_EMPTY_PASSWORD, 7) { } } public class WrongEmailException : AuthException { public WrongEmailException() : base(Language.RES_ERROR_LOGIN_CLIENT_WRONG_EMAIL, 2) { } } public class WrongPasswordException : AuthException { public WrongPasswordException() : base(Language.RES_ERROR_LOGIN_CLIENT_WRONG_PASSWORD, 3) { } } public class InactiveAccountException : AuthException { public InactiveAccountException() : base(Language.RES_ERROR_LOGIN_CLIENT_INACTIVE_ACCOUNT, 5) { } } public class EmailNotValidatedException : AuthException { public EmailNotValidatedException() : base(Language.RES_ERROR_LOGIN_CLIENT_EMAIL_NOT_VALIDATED, 4) { } } private readonly string CLIENT_KEY = "9A751E0D-816F-4A92-9185-559D38661F77"; private readonly string CLIENT_USER_KEY = "0CE2F700-1375-4B0F-8400-06A01CED2658"; public Client Client { get { if(!IsAuthenticated) return null; if(HttpContext.Current.Items[CLIENT_KEY]==null) { HttpContext.Current.Items[CLIENT_KEY] = ClientMethods.Get<Client>((Guid)ClientId); } return (Client)HttpContext.Current.Items[CLIENT_KEY]; } } public ClientUser ClientUser { get { if (!IsAuthenticated) return null; if (HttpContext.Current.Items[CLIENT_USER_KEY] == null) { HttpContext.Current.Items[CLIENT_USER_KEY] = ClientUserMethods.GetByClientId((Guid)ClientId); } return (ClientUser)HttpContext.Current.Items[CLIENT_USER_KEY]; } } public Boolean IsAuthenticated { get; set; } public Guid? ClientId { get { if (!IsAuthenticated) return null; return (Guid)HttpContext.Current.Session["ClientId"]; } } public Guid? ClientUserId { get { if (!IsAuthenticated) return null; return ClientUser.Id; } } public int ClientTypeId { get { if (!IsAuthenticated) return 0; return Client.ClientTypeId; } } public Auth() { if (HttpContext.Current.User.Identity.IsAuthenticated) { IsAuthenticated = true; } } public void RequireClientOfType(params int[] types) { if (!(IsAuthenticated && types.Contains(ClientTypeId))) { HttpContext.Current.Response.Redirect((new UrlFactory(false)).GetHomeUrl(), true); } } public void Logout() { Logout(true); } public void Logout(Boolean redirect) { FormsAuthentication.SignOut(); IsAuthenticated = false; HttpContext.Current.Session["ClientId"] = null; HttpContext.Current.Items[CLIENT_KEY] = null; HttpContext.Current.Items[CLIENT_USER_KEY] = null; if(redirect) HttpContext.Current.Response.Redirect((new UrlFactory(false)).GetHomeUrl(), true); } public void Login(string email, string password, bool autoLogin) { Logout(false); email = email.Trim().ToLower(); password = password.Trim(); int status = 1; LoginAttemptLog log = new LoginAttemptLog { AutoLogin = autoLogin, Email = email, Password = password }; try { if (string.IsNullOrEmpty(email)) throw new EmptyEmailException(); if (string.IsNullOrEmpty(password)) throw new EmptyPasswordException(); ClientUser clientUser = ClientUserMethods.GetByEmailExcludingProspects(email); if (clientUser == null) throw new WrongEmailException(); if (!clientUser.Password.Equals(password)) throw new WrongPasswordException(); Client client = clientUser.Client; if (!(bool)client.PreRegCheck) throw new EmailNotValidatedException(); if (!(bool)client.Active || client.DeleteFlag.Equals("y")) throw new InactiveAccountException(); FormsAuthentication.SetAuthCookie(client.Id.ToString(), true); HttpContext.Current.Session["ClientId"] = client.Id; log.KeyId = client.Id; log.KeyEntityId = ClientMethods.GetEntityId(client.ClientTypeId); } catch (AuthException ax) { status = ax.StatusCode; log.Success = status == 1; log.Status = status; } finally { LogRecorder.Record(log); } } } }

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• Winforms application hungs when switching to another app

  - by joseluisrod

  Hi, I believe I have a potential threading issue. I have a user control that contains the following code: private void btnVerify_Click(object sender, EventArgs e) { if (!backgroundWorkerVerify.IsBusy) { backgroundWorkerVerify.RunWorkerAsync(); } } private void backgroundWorkerVerify_DoWork(object sender, System.ComponentModel.DoWorkEventArgs e) { VerifyAppointments(); } private void backgroundWorkerVerify_RunWorkerCompleted(object sender, System.ComponentModel.RunWorkerCompletedEventArgs e) { MessageBox.Show("Information was Verified.", "Verify", MessageBoxButtons.OK, MessageBoxIcon.Information); CloseEvent(); } vanilla code. but the issue I have is that when the application is running and the users tabs to another application when they return to mine the application is hung, they get a blank screen and they have to kill it. This started when I put the threading code. Could I have some rogue threads out there? what is the best way to zero in a threading problem? The issue can't be recreated on my machine...I know I must be missing something on how to dispose of a backgroundworker properly. Any thoughts are appreciated, Thanks, Jose

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• .NET XML Serialization without <?xml> root node

  - by Graphain

  Hi, I'm trying to generate XML like this: <?xml version="1.0"?> <!DOCTYPE APIRequest SYSTEM "https://url"> <APIRequest> <Head> <Key>123</Key> </Head> <ObjectClass> <Field>Value</Field </ObjectClass> </APIRequest> I have a class (ObjectClass) decorated with XMLSerialization attributes like this: [XmlRoot("ObjectClass")] public class ObjectClass { [XmlElement("Field")] public string Field { get; set; } } And my really hacky intuitive thought to just get this working is to do this when I serialize: ObjectClass inst = new ObjectClass(); XmlSerializer serializer = new XmlSerializer(inst.GetType(), ""); StringWriter w = new StringWriter(); w.WriteLine(@"<?xml version=""1.0""?>"); w.WriteLine("<!DOCTYPE APIRequest SYSTEM"); w.WriteLine(@"""https://url"">"); w.WriteLine("<APIRequest>"); w.WriteLine("<Head>"); w.WriteLine(@"<Field>Value</Field>"); w.WriteLine(@"</Head>"); XmlSerializerNamespaces ns = new XmlSerializerNamespaces(); ns.Add("", ""); serializer.Serialize(w, inst, ns); w.WriteLine("</APIRequest>"); However, this generates XML like this: <?xml version="1.0"?> <!DOCTYPE APIRequest SYSTEM "https://url"> <APIRequest> <Head> <Key>123</Key> </Head> <?xml version="1.0" encoding="utf-16"?> <ObjectClass> <Field>Value</Field> </ObjectClass> </APIRequest> i.e. the serialize statement is automatically adding a <?xml root element. I know I'm attacking this wrong so can someone point me in the right direction? As a note, I don't think it will make practical sense to just make an APIRequest class with an ObjectClass in it (because there are say 20 different types of ObjectClass that each needs this boilerplate around them) but correct me if I'm wrong.

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• boost::asio buffer impossible to convert parameter from char to const mutable_buffer&

  - by Ekyo777

  visual studio tells me "error C2664: 'boost::asio::mutable_buffer::mutable_buffer(const boost::asio::mutable_buffer&)': impossible to convert parameter 1 from 'char' to 'const boost::asio::mutable_buffer&' at line 163 of consuming_buffers.hpp" I am unsure of why this happen nor how to solve it(otherwise I wouldn't ask this ^^') but I think it could be related to those functions.. even tough I tried them in another project and everything worked fine... but I can hardly find what's different so... here comes code that could be relevant, if anything useful seems to be missing I'll be glad to send it. packets are all instances of this class. class CPacketBase { protected: const unsigned short _packet_type; const size_t _size; char* _data; public: CPacketBase(unsigned short packet_type, size_t size); ~CPacketBase(); size_t get_size(); const unsigned short& get_type(); virtual char* get(); virtual void set(char*); }; this sends a given packet template <typename Handler> void async_write(CPacketBase* packet, Handler handler) { std::string outbuf; outbuf.resize(packet->get_size()); outbuf = packet->get(); boost::asio::async_write( _socket , boost::asio::buffer(outbuf, packet->get_size()) , handler); } this enable reading packets and calls a function that decodes the packet's header(unsigned short) and resize the buffer to send it to another function that reads the real data from the packet template <typename Handler> void async_read(CPacketBase* packet, Handler handler) { void (CTCPConnection::*f)( const boost::system::error_code& , CPacketBase*, boost::tuple<Handler>) = &CTCPConnection::handle_read_header<Handler>; boost::asio::async_read(_socket, _buffer_data , boost::bind( f , this , boost::asio::placeholders::error , packet , boost::make_tuple(handler))); } and this is called by async_read once a packet is received template <typename Handler> void handle_read_header(const boost::system::error_code& error, CPacketBase* packet, boost::tuple<Handler> handler) { if (error) { boost::get<0>(handler)(error); } else { // Figures packet type unsigned short packet_type = *((unsigned short*) _buffer_data.c_str()); // create new packet according to type delete packet; ... // read packet's data _buffer_data.resize(packet->get_size()-2); // minus header size void (CTCPConnection::*f)( const boost::system::error_code& , CPacketBase*, boost::tuple<Handler>) = &CTCPConnection::handle_read_data<Handler>; boost::asio::async_read(_socket, _buffer_data , boost::bind( f , this , boost::asio::placeholders::error , packet , handler)); } }

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• Can't connect to samba

  - by Rick

  Windows 7, connecting to Samba shares I have a follow up question from the link above. I am running Samba 3.0.23d on FreeBSD is release 7.1 I changed the policies as described above but still cannot connect to the samba server with the windows 7 or a server 2008. I feel it is a problem with recognizing the new machines on the network. the windows machines can see the samba server, but cannot connect to it or view any of the files. After changing the security policies the samba server asked for network id and password but would not allow the machine to connect, said they were unknown username or bad password. Here is my current config file. there is no sign of encryption anywhere, should I just add the line? not sure what that would do elsewhere. Workgroup = WWOFFSET server string = WWO File Server (%v) security = server username map = /usr/local/etc/smb.users hosts allow = 10. 127. # If you want to automatically load your printer list rather # than setting them up individually then you'll need this ; load printers = yes # you may wish to override the location of the printcap file ; printcap name = /etc/printcap # on SystemV system setting printcap name to lpstat should allow # you to automatically obtain a printer list from the SystemV spool # system ; printcap name = lpstat # It should not be necessary to specify the print system type unless # it is non-standard. Currently supported print systems include: # bsd, cups, sysv, plp, lprng, aix, hpux, qnx ; printing = cups # Uncomment this if you want a guest account, you must add this to /etc/passwd # otherwise the user "nobody" is used ; guest account = pcguest # this tells Samba to use a separate log file for each machine # that connects log file = /var/log/samba/log.%m # Put a capping on the size of the log files (in Kb). max log size = 50 # Use password server option only with security = server # The argument list may include: # password server = My_PDC_Name [My_BDC_Name] [My_Next_BDC_Name] # or to auto-locate the domain controller/s # password server = * ; password server = <NT-Server-Name> password server = SERVER0 # Use the realm option only with security = ads # Specifies the Active Directory realm the host is part of ; realm = MY_REALM # Backend to store user information in. New installations should # use either tdbsam or ldapsam. smbpasswd is available for backwards # compatibility. tdbsam requires no further configuration. ; passdb backend = tdbsam ; passdb backend = smbpasswd # Using the following line enables you to customise your configuration # on a per machine basis. The %m gets replaced with the netbios name # of the machine that is connecting. # Note: Consider carefully the location in the configuration file of # this line. The included file is read at that point. ; include = /usr/local/etc/smb.conf.%m # Most people will find that this option gives better performance. # See the chapter 'Samba performance issues' in the Samba HOWTO Collection # and the manual pages for details. # You may want to add the following on a Linux system: # SO_RCVBUF=8192 SO_SNDBUF=8192 socket options = TCP_NODELAY # Configure Samba to use multiple interfaces # If you have multiple network interfaces then you must list them # here. See the man page for details. ; interfaces = 192.168.12.2/24 192.168.13.2/24 # Browser Control Options: # set local master to no if you don't want Samba to become a master # browser on your network. Otherwise the normal election rules apply ; local master = no # OS Level determines the precedence of this server in master browser # elections. The default value should be reasonable ; os level = 33 # Domain Master specifies Samba to be the Domain Master Browser. This # allows Samba to collate browse lists between subnets. Don't use this # if you already have a Windows NT domain controller doing this job ; domain master = yes # Preferred Master causes Samba to force a local browser election on startup # and gives it a slightly higher chance of winning the election ; preferred master = yes # Enable this if you want Samba to be a domain logon server for # Windows95 workstations. ; domain logons = yes # if you enable domain logons then you may want a per-machine or # per user logon script # run a specific logon batch file per workstation (machine) ; logon script = %m.bat # run a specific logon batch file per username ; logon script = %U.bat # Where to store roving profiles (only for Win95 and WinNT) # %L substitutes for this servers netbios name, %U is username # You must uncomment the [Profiles] share below ; logon path = \\%L\Profiles\%U # Windows Internet Name Serving Support Section: # WINS Support - Tells the NMBD component of Samba to enable it's WINS Server ; wins support = yes # WINS Server - Tells the NMBD components of Samba to be a WINS Client # Note: Samba can be either a WINS Server, or a WINS Client, but NOT both ; wins server = w.x.y.z # WINS Proxy - Tells Samba to answer name resolution queries on # behalf of a non WINS capable client, for this to work there must be # at least one WINS Server on the network. The default is NO. ; wins proxy = yes # DNS Proxy - tells Samba whether or not to try to resolve NetBIOS names # via DNS nslookups. The default is NO. dns proxy = no # charset settings ; display charset = ASCII ; unix charset = ASCII ; dos charset = ASCII # These scripts are used on a domain controller or stand-alone # machine to add or delete corresponding unix accounts ; add user script = /usr/sbin/useradd %u ; add group script = /usr/sbin/groupadd %g ; add machine script = /usr/sbin/adduser -n -g machines -c Machine -d /dev/null -s /bin/false %u ; delete user script = /usr/sbin/userdel %u ; delete user from group script = /usr/sbin/deluser %u %g ; delete group script = /usr/sbin/groupdel %g unix extensions = no

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• Exception on dowloading Pdf file in ASP.NET

  - by Sauron

  I am downloading a Pdf file created by crystal report and I download as ReportDocument repDoc = ( ReportDocument ) System.Web.HttpContext.Current.Session["StudyReportCrystalDocument"]; // Stop buffering the response Response.Buffer = false; // Clear the response content and headers Response.ClearContent(); Response.ClearHeaders(); try { repDoc.ExportToHttpResponse(CrystalDecisions.Shared.ExportFormatType.PortableDocFormat, Response, true, "StudyReport" ); } catch( Exception ex ) { } Eventhough it is working But I got an exception base {System.SystemException} = {Unable to evaluate expression because the code is optimized or a native frame is on top of the call stack.} Can anyone explain what is the reason for this and how to override the exception?

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• StructureMap: "No default instance of plugin defined" - even though it is

  - by Dave Hanna

  I've been using StructureMap for about 6 months now; you would think it would start getting easier. It doesn't seem to. Here's the first line of my registry: For<IDbConnection>() .Singleton() .Use<SqlConnection>() .Ctor<string>(WebConfigurationManager.ConnectionStrings["UnifiedConnectionString"].ConnectionString); It compiles and runs. But when I try to use that Interface, like this: return MsSqlConfiguration.MsSql2008.ConnectionString(((DbConnection)ObjectFactory.GetInstance<IDbConnection>()).ConnectionString); I get StructureMap Exception Code: 202 No Default Instance defined for PluginFamily System.Data.IDbConnection, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 Now I may be missing something (okay, I obviously am), but I don't know how much more plain I can be about defining the default instance for IDbConnection. What am I doing wrong?

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• In a distributed environment, how can I configure log4j to log to different files for each JVM insta

  - by Renan Mozone

  My application runs on IBM WebSphere 6.1 Network Deployment. The application have several JSP files and Java classes. Today each host have only one JVM instance but my intention is to start another instance on each host. How can I configure log4j to log to different files for each JVM instance in the same host? I thought of using variable substitution on log4j XML configuration file but it only works with system properties. So, it is safe and recommended to set a custom system property just to store the JVM name? Anyone knows another strategy to achieve this in a 'elegant' way?

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• java drawing rect in panel

  - by ali

  i draw rect on to jpanel but it is only seeing when changing the active operation system window.

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• Invoke "internal extern" constructor using reflections

  - by Riz

  Hi, I have following class (as seen through reflector) public class W : IDisposable { public W(string s); public W(string s, byte[] data); // more constructors [MethodImpl(MethodImplOptions.InternalCall)] internal extern W(string s, int i); public static W Func(string s, int i); } I am trying to call "internal extern" constructor or Func using reflections MethodInfo dynMethod = typeof(W).GetMethod("Func", BindingFlags.Static); object[] argVals = new object[] { "hi", 1 }; dynMethod.Invoke(null, argVals); and Type type = typeof(W); Type[] argTypes = new Type[] { typeof(System.String), typeof(System.Int32) }; ConstructorInfo cInfo = type.GetConstructor(BindingFlags.InvokeMethod | BindingFlags.NonPublic, null, argTypes, null); object[] argVals = new object[] { "hi", 1 }; dynMethod.Invoke(null, argVals); unfortunantly both variants rise NullReferenceException when trying to Invoke, so, I must be doing something wrong?

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• How to determine if a file will be logically moved or physically moved.

  - by Frederic Morin

  The facts: When a file is moved, there's two possibilities: The source and destination file are on the same partition and only the file system index is updated The source and destination are on two different file system and the file need to be moved byte per byte. (aka copy on move) The question: How can I determine if a file will be either logically or physically moved ? I'm transferring large files (700+ megs) and would adopt a different behaviors for each situation. Edit: I've already coded a moving file dialog with a worker thread that perform the blocking io call to copy the file a meg at a time. It provide information to the user like rough estimate of the remaining time and transfer rate. The problem is: how do I know if the file can be moved logically before trying to move it physically ?

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• Change Casing in WCF Service Reference

  - by Eric J.

  I'm creating a service reference to a web service written in Java. The generated classes now follow the Java casing convention used in the web service, for example class names are camelCase rather than PascalCase. Is there a way to get the desired casing from the service reference? CLARIFICATION: With WSE based services, one could modify the generated Reference.cs to provide .NET standard casing and use XmlElementAttribute to map to the Java naming presented by the external web service, like this: [System.Xml.Serialization.XmlElementAttribute("resultType", Form=System.Xml.Schema.XmlSchemaForm.Unqualified)] [System.Runtime.Serialization.DataMember] public virtual MyResultType ResultType { ... } Not terribly maintenance-friendly without writing custom code to either generate the proxy code or modify it after it's been generated. What I'm after is one or more options to present a WCF generated client proxy to calling applications using the .NET casing conventions, achieving the same as I did previously with WSE. Hopefully with less manual effort.

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• Load a Settings.settings into ListView?

  - by clefranc

  Hi, I've managed to save ListView items to a System.Collections.Specialized.StringCollection property settings using this LINQ one liner: My.Settings.Property1.AddRange(ListView1.Items.Cast(Of ListViewItem)().[Select](Function(a) String.Join(Convert.ToChar(Keys.Tab), a.SubItems.Cast(Of System.Windows.Forms.ListViewItem.ListViewSubItem)().[Select](Function(s) s.Text).ToArray())).ToArray()) Now, I want to do the opposite, ie load the ListView1 from the My.Settings.Property1. It's fairly easy to do using a For Each loop, but I wonder if someone can show me a similar LINQ query. The lines in My.Settings.Property1 looks like this (Tab separated): Word1 Word2 Word3 Word4 Word5 Word6 Original code is from this answer: http://stackoverflow.com/questions/2295068/show-listview-items-in-a-combobox

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• How to restore broken Ethernet functionality on Mac G5 running Mac OS 10.4.11 (Tiger)

  - by willc2

  I had a disk error that rendered my Mac unbootable. I repaired it with Tech Tool 4, but now networking does not work. Network Preferences reports that my Ethernet cable is unplugged. I know this is bogus because when I boot from an emergency partition, networking works correctly. Furthermore, wireless networking is also broken, which I tested with a known-good Wi-Fi dongle. Whenever I try to change Network Port Configurations by creating a New or Renaming an existing one, example: I get this message in the console: Error - PortScanner - setDevice, device == nil! Error - PortScanner - setDevice, device == nil! In sets of two as shown. When I try to invoke the Network Diagnostics app, it immediately crashes. My first thought is to reinstall Tiger with the Archive and Install method so I don't have to reinstall all my applications but I have lost my Tiger installer disk. My next thought is to buy Leopard for $107 on Amazon. If there is any way I can just repair my Tiger install I would be happy to save that money, though. This is not my main machine and I am loathe to put more money into it. How can I recover my network functionality? UPDATE: I found my Tiger install disk and tried an Archive and Install. It failed with an unhelpful error message along the lines of "Can't install, try again". I tried again but had the same error. My guess is, some corrupt or missing file in my User folder is preventing migration. I have a backup created with Super Duper that is a bit out of date but will startup the machine (with functional networking). I would love to just copy over the file(s) that got messed up but I don't even know where to look. What is the likely location of the System files that would cause the aforementioned symptoms?

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• Database Network Latency

  - by Karl

  Hi All, I am currently working on an n-tier system and battling some database performance issues. One area we have been investigating is the latency between the database server and the application server. In our test environment the average ping times between the two boxes is in the region of 0.2ms however on the clients site its more in the region of 8.2 ms. Is that somthing we should be worried about? For your average system what do you guys consider a resonable latency and how would you go about testing/measuring the latency? Karl

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• How to mock a file with EasyMock?

  - by Todd

  Hello, I have recently been introduced to EasyMock and have been asked to develop some unit tests for a FileMonitor class using it. The FileMonitor class is based on a timed event that wakes up and checks for file modification(s) in a defined list of files and directories. I get how to do this using the actual file system, write a test that writes to a file and let the FileMonitor do its thing. So, how do I do this using EasyMock? I just don't get how to have EasyMock mock the file system. Thanks, Todd

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• Xpages - Get number of active sessions

  - by Jairo

  How do I get the number of active sessions in Xpage. I'm trying to use managed beans but it just returns a weird string. Here's the simple code: import javax.servlet.http.HttpSessionEvent; import javax.servlet.http.HttpSessionListener; public class SessionCounterListener implements HttpSessionListener { private static int totalActiveSessions; public static int getTotalActiveSessions(){ return totalActiveSessions | 0; } public void sessionCreated(HttpSessionEvent arg0) { totalActiveSessions++; System.out.println("sessionCreated - add one session into counter"); } public void sessionDestroyed(HttpSessionEvent arg0) { totalActiveSessions--; System.out.println("sessionDestroyed - deduct one session from counter"); } } I got this from here. But when I call SessionCounterListener.getTotalActiveSessions(), it only returns a weird string, example com.gs3.beans.SessionCounterListener@46c446c4. Please help me. Thanks a lot!

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