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  • Is LINQ to SQL deprecated?

    - by Mayo
    Back in late 2008 there was alot of debate about the future of LINQ to SQL. Many suggested that Microsoft's investments in the Entity Framework in .NET 4.0 were a sign that LINQ to SQL had no future. I figured I'd wait before making my own decision since folks were not in agreement. Fast-forward 18 months and I've got vendors providing solutions that rely on LINQ to SQL and I have personally given it a try and really enjoyed working with it. I figured it was here to stay. But I'm reading a new book (C# 4.0 How-To by Ben Watson) and in chapter 21 (LINQ), he suggests that it "has been more or less deprecated by Microsoft" and suggests using LINQ to Entity Framework. My question to you is whether or not LINQ to SQL is officially deprecated and/or if authoritative entities (Microsoft, Scott Gu, etc.) officially suggest using LINQ to Entities instead of LINQ to SQL.

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  • How can I eager-load a child collection mapped to a non-primary key in NHibernate 2.1.2?

    - by David Rubin
    Hi, I have two objects with a many-to-many relationship between them, as follows: public class LeftHandSide { public LeftHandSide() { Name = String.Empty; Rights = new HashSet<RightHandSide>(); } public int Id { get; set; } public string Name { get; set; } public ICollection<RightHandSide> Rights { get; set; } } public class RightHandSide { public RightHandSide() { OtherProp = String.Empty; Lefts = new HashSet<LeftHandSide>(); } public int Id { get; set; } public string OtherProp { get; set; } public ICollection<LeftHandSide> Lefts { get; set; } } and I'm using a legacy database, so my mappings look like: Notice that LeftHandSide and RightHandSide are associated by a different column than RightHandSide's primary key. <class name="LeftHandSide" table="[dbo].[lefts]" lazy="false"> <id name="Id" column="ID" unsaved-value="0"> <generator class="identity" /> </id> <property name="Name" not-null="true" /> <set name="Rights" table="[dbo].[lefts2rights]"> <key column="leftId" /> <!-- THIS IS THE IMPORTANT BIT: I MUST USE PROPERTY-REF --> <many-to-many class="RightHandSide" column="rightProp" property-ref="OtherProp" /> </set> </class> <class name="RightHandSide" table="[dbo].[rights]" lazy="false"> <id name="Id" column="id" unsaved-value="0"> <generator class="identity" /> </id> <property name="OtherProp" column="otherProp" /> <set name="Lefts" table="[dbo].[lefts2rights]"> <!-- THIS IS THE IMPORTANT BIT: I MUST USE PROPERTY-REF --> <key column="rightProp" property-ref="OtherProp" /> <many-to-many class="LeftHandSide" column="leftId" /> </set> </class> The problem comes when I go to do a query: LeftHandSide lhs = _session.CreateCriteria<LeftHandSide>() .Add(Expression.IdEq(13)) .UniqueResult<LeftHandSide>(); works just fine. But LeftHandSide lhs = _session.CreateCriteria<LeftHandSide>() .Add(Expression.IdEq(13)) .SetFetchMode("Rights", FetchMode.Join) .UniqueResult<LeftHandSide>(); throws an exception (see below). Interestingly, RightHandSide rhs = _session.CreateCriteria<RightHandSide>() .Add(Expression.IdEq(127)) .SetFetchMode("Lefts", FetchMode.Join) .UniqueResult<RightHandSide>(); seems to be perfectly fine as well. NHibernate.Exceptions.GenericADOException Message: Error performing LoadByUniqueKey[SQL: SQL not available] Source: NHibernate StackTrace: c:\opt\nhibernate\2.1.2\source\src\NHibernate\Type\EntityType.cs(563,0): at NHibernate.Type.EntityType.LoadByUniqueKey(String entityName, String uniqueKeyPropertyName, Object key, ISessionImplementor session) c:\opt\nhibernate\2.1.2\source\src\NHibernate\Type\EntityType.cs(428,0): at NHibernate.Type.EntityType.ResolveIdentifier(Object value, ISessionImplementor session, Object owner) c:\opt\nhibernate\2.1.2\source\src\NHibernate\Type\EntityType.cs(300,0): at NHibernate.Type.EntityType.NullSafeGet(IDataReader rs, String[] names, ISessionImplementor session, Object owner) c:\opt\nhibernate\2.1.2\source\src\NHibernate\Persister\Collection\AbstractCollectionPersister.cs(695,0): at NHibernate.Persister.Collection.AbstractCollectionPersister.ReadElement(IDataReader rs, Object owner, String[] aliases, ISessionImplementor session) c:\opt\nhibernate\2.1.2\source\src\NHibernate\Collection\Generic\PersistentGenericSet.cs(54,0): at NHibernate.Collection.Generic.PersistentGenericSet`1.ReadFrom(IDataReader rs, ICollectionPersister role, ICollectionAliases descriptor, Object owner) c:\opt\nhibernate\2.1.2\source\src\NHibernate\Loader\Loader.cs(706,0): at NHibernate.Loader.Loader.ReadCollectionElement(Object optionalOwner, Object optionalKey, ICollectionPersister persister, ICollectionAliases descriptor, IDataReader rs, ISessionImplementor session) c:\opt\nhibernate\2.1.2\source\src\NHibernate\Loader\Loader.cs(385,0): at NHibernate.Loader.Loader.ReadCollectionElements(Object[] row, IDataReader resultSet, ISessionImplementor session) c:\opt\nhibernate\2.1.2\source\src\NHibernate\Loader\Loader.cs(326,0): at NHibernate.Loader.Loader.GetRowFromResultSet(IDataReader resultSet, ISessionImplementor session, QueryParameters queryParameters, LockMode[] lockModeArray, EntityKey optionalObjectKey, IList hydratedObjects, EntityKey[] keys, Boolean returnProxies) c:\opt\nhibernate\2.1.2\source\src\NHibernate\Loader\Loader.cs(453,0): at NHibernate.Loader.Loader.DoQuery(ISessionImplementor session, QueryParameters queryParameters, Boolean returnProxies) c:\opt\nhibernate\2.1.2\source\src\NHibernate\Loader\Loader.cs(236,0): at NHibernate.Loader.Loader.DoQueryAndInitializeNonLazyCollections(ISessionImplementor session, QueryParameters queryParameters, Boolean returnProxies) c:\opt\nhibernate\2.1.2\source\src\NHibernate\Loader\Loader.cs(1649,0): at NHibernate.Loader.Loader.DoList(ISessionImplementor session, QueryParameters queryParameters) c:\opt\nhibernate\2.1.2\source\src\NHibernate\Loader\Loader.cs(1568,0): at NHibernate.Loader.Loader.ListIgnoreQueryCache(ISessionImplementor session, QueryParameters queryParameters) c:\opt\nhibernate\2.1.2\source\src\NHibernate\Loader\Loader.cs(1562,0): at NHibernate.Loader.Loader.List(ISessionImplementor session, QueryParameters queryParameters, ISet`1 querySpaces, IType[] resultTypes) c:\opt\nhibernate\2.1.2\source\src\NHibernate\Loader\Criteria\CriteriaLoader.cs(73,0): at NHibernate.Loader.Criteria.CriteriaLoader.List(ISessionImplementor session) c:\opt\nhibernate\2.1.2\source\src\NHibernate\Impl\SessionImpl.cs(1936,0): at NHibernate.Impl.SessionImpl.List(CriteriaImpl criteria, IList results) c:\opt\nhibernate\2.1.2\source\src\NHibernate\Impl\CriteriaImpl.cs(246,0): at NHibernate.Impl.CriteriaImpl.List(IList results) c:\opt\nhibernate\2.1.2\source\src\NHibernate\Impl\CriteriaImpl.cs(237,0): at NHibernate.Impl.CriteriaImpl.List() c:\opt\nhibernate\2.1.2\source\src\NHibernate\Impl\CriteriaImpl.cs(398,0): at NHibernate.Impl.CriteriaImpl.UniqueResult() c:\opt\nhibernate\2.1.2\source\src\NHibernate\Impl\CriteriaImpl.cs(263,0): at NHibernate.Impl.CriteriaImpl.UniqueResult[T]() D:\proj\CMS3\branches\nh_auth\DomainModel2Tests\Authorization\TempTests.cs(46,0): at CMS.DomainModel.Authorization.TempTests.Test1() Inner Exception System.Collections.Generic.KeyNotFoundException Message: The given key was not present in the dictionary. Source: mscorlib StackTrace: at System.ThrowHelper.ThrowKeyNotFoundException() at System.Collections.Generic.Dictionary`2.get_Item(TKey key) c:\opt\nhibernate\2.1.2\source\src\NHibernate\Persister\Entity\AbstractEntityPersister.cs(2047,0): at NHibernate.Persister.Entity.AbstractEntityPersister.GetAppropriateUniqueKeyLoader(String propertyName, IDictionary`2 enabledFilters) c:\opt\nhibernate\2.1.2\source\src\NHibernate\Persister\Entity\AbstractEntityPersister.cs(2037,0): at NHibernate.Persister.Entity.AbstractEntityPersister.LoadByUniqueKey(String propertyName, Object uniqueKey, ISessionImplementor session) c:\opt\nhibernate\2.1.2\source\src\NHibernate\Type\EntityType.cs(552,0): at NHibernate.Type.EntityType.LoadByUniqueKey(String entityName, String uniqueKeyPropertyName, Object key, ISessionImplementor session) I'm using NHibernate 2.1.2 and I've been debugging into the NHibernate source, but I'm coming up empty. Any suggestions? Thanks so much!

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  • How to set disabled in MVC htmlAttribute

    - by Ollie
    When using an HTML Helper, what is the best method to set an attribute based on a condition. For example <%if (Page.User.IsInRole("administrator")) {%> <%=Html.TextBoxFor(m => m.FirstName, new {@class='contactDetails'}%> <%} else {%> <%=Html.TextBoxFor(m => m.FirstName, new {@class='contactDetails', disabled = true}%> <%}%> There must be a better way to programmatically add just one additional KeyPair to the anonymous type? Can't use new { .... disabled = Page.User.IsInRole("administrator") ... } as the browser takes any disabled attribute value as making the input disabled

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  • XmlSerializer - There was an error reflecting type

    - by oo
    Using C# .NET 2.0, I have a composite data class that does have the [Serializable] attribute on it. I am creating an XMLSerializer class and passing that into the constructor: XmlSerializer serializer = new XmlSerializer(typeof(DataClass)); I am getting an exception saying: There was an error reflecting type. Inside the data class there is another composite object. Does this also need to have the [Serializable] attribute or by having it on the top object does it recursively apply it to all objects inside? Any thoughts?

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  • UITableView Core Data reordering

    - by PCWiz
    I know this question has been asked before, and I took a look at the answer to this question. However, I'm still confused as to how to implement reordering with a UITableView in a Core Data project. What I know is that I need to have a "displayOrder" attribute in my Entity to track the order of items, and I need to enumerate through all the objects in the fetched results and set their displayOrder attribute. In the given code in the question I linked to, the table view delegate method calls a method like this [self FF_fetchResults];, and the code for that method is not given so its hard to tell what exactly it is. Is there any sample code that demonstrates this? That would be simpler to look at than sharing large chunks of code. Thanks

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  • UITableView Core Data reordering

    - by PCWiz
    I know this question has been asked before, and I took a look at the answer to this question. However, I'm still confused as to how to implement reordering with a UITableView in a Core Data project. What I know is that I need to have a "displayOrder" attribute in my Entity to track the order of items, and I need to enumerate through all the objects in the fetched results and set their displayOrder attribute. In the given code in the question I linked to, the table view delegate method calls a method like this [self FF_fetchResults];, and the code for that method is not given so its hard to tell what exactly it is. Is there any sample code that demonstrates this? That would be simpler to look at than sharing large chunks of code. Thanks

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  • OutOfMemoryError: bitmap size exceeds VM budget :- Android

    - by Shalini Singh
    Hi! i am downloading images from Url and displaying them,,, at the downloading time it is giving "out of memory error : bitmap size exceeds VM budget" i am using drawable ... code is giving bellow: HttpClient httpclient= new DefaultHttpClient(); HttpResponse response=(HttpResponse)httpclient.execute(httpRequest); HttpEntity entity= response.getEntity(); BufferedHttpEntity bufHttpEntity=new BufferedHttpEntity(entity); InputStream instream = bufHttpEntity.getContent(); Bitmap bm = BitmapFactory.decodeStream(instream);` Bitmap useThisBitmap = Bitmap.createScaledBitmap(bm,bm.getWidth(),bm.getHeight(), true); bm.recycle(); BitmapDrawable bt= new BitmapDrawable(useThisBitmap); System.gc(); Error: 05-28 14:55:47.251: ERROR/AndroidRuntime(4188): java.lang.OutOfMemoryError: bitmap size exceeds VM budget Please help me,,,,

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  • How to implement paging for datagrid using LINQ to Entities in wpf?

    - by Levelbit
    I'm new in wpf. My main problem is to understand how DataGrid works with its datacontext. It would help me a lot because I don't know how to make a universal paging usercontrol for all my datagrids in the projects for different database tables. DataGrid converts received DataContext from object to some kind of list. How it is implemented. I tried to do some casting from object to IQueryable to generalize thinig because base class of every entity in the entity model is EntityObject class. But it doesen't work in runtime although I don't receive complains at design time.

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  • How to disabled the input,textarea,select using this code..

    - by kumar
    Hello friends I am using this code in my view.. <%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<NorthernTrust.ATP.iTool.Core.Business.Entities.Exceptions.PricingMassEditBE>" %> <script type="text/javascript"> $("#PricingEditExceptions").find("input, select,textarea").attr('disabled', 'disabled'); </script> <%var a = Model; %> <fieldset id="PricingEditExceptions"> <div class="fiveper"> <label>FM#: <span><%=(null != a) ? Model.Asset.FundmasterSec : null%></span></label> <label>TNT#:<span><%=(null != a) ? Model.Asset.TNTSecurity: null%></span></label> <label>CUSIP#: <span><%=(null != a) ? Model.Asset.CUSIP :null%></span></label> <label>Asset:<span><%=(null != a) ? Model.Asset.AssetClassCode: null%></span></label> <label>Issue:<span><%=(null != a) ? Model.Asset.IssueType: null%></span></label> <label>COQ:<span><%=(null != a) ? Model.Asset.CodeCountryofQuotationName: null%></span></label> <label>CCY:<span><%=(null != a) ? Model.Asset.CurrencyCode: null%></span></label> <label>&nbsp;</label> </div> <div class="fiveper"> <input id="check1" type="checkbox" name="PMchk" value="<%=Model.ExceptionID%>" /> <label>ID#: <span><%=(null != a) ? Model.ExceptionID : 0%></span></label> <label for="ExceptionStatus"> Status: <span id="gui-stat-<%=Model.ExceptionID %>"> <%=Model.LookupCodes["C_EXCPT_STAT"].FirstOrDefault(model => model.Key.Trim().Equals(Model.ExceptionStatus.Trim())).Value%></span> </label> <label for="ResolutionCode"> Resolution: <span> <%=Html.DropDownListFor(model => model.ResolutionCode, new SelectList(Model.LookupCodes["C_EXCPT_RESL"], "Key", "Value", (null != Model.ResolutionCode) ? Model.ResolutionCode.Trim() : Model.ResolutionCode))%> </span> </label> <label for="ReasonCode"> Reason: <span><%=Html.DropDownListFor(model => model.ReasonCode, new SelectList(Model.LookupCodes["C_EXCPT_RSN"], "Key", "Value", (null != Model.ReasonCode) ? Model.ReasonCode.Trim() : Model.ReasonCode))%></span> </label> <label>Action Taken:<span><%=Html.DropDownListFor(model => model.ActionCode, new SelectList(Model.LookupCodes["C_EXCPT_ACT"], "Key", "Value", (null != Model.ActionCode) ? Model.ActionCode.Trim() : Model.ActionCode))%></span></label> <label>&nbsp;</label> </div> <div class="fiveper"> <label>Follow-Up:<span class="datepicker-container"><input type="text" id="exc-flwup-<%=Model.ExceptionID %>" name="exc-flwup-<%=Model.ExceptionID %>" value="<%=Model.FollowupDate %>" /></span></label> <label>Inqurity #: <span><%=Html.EditorFor(model => model.IOL)%></span> </label> <label>&nbsp;</label> <label>Comment: <span> <%=Html.TextAreaFor(model => model.Comment, new { })%> <%=Html.ValidationMessageFor(model => model.Comment)%> </span> </label> </div> <div id="hide" style="display:none"> <label><span><%=Model.Sequence %></span></label> <label><span><%=Model.AssignedId %></span></label> <span id="gui-stat-<%=Model.ExceptionID%>"> <%=Model.LookupCodes["C_EXCPT_STAT"].FirstOrDefault(model => model.Key.Trim().Equals(Model.ExceptionStatus.Trim())).Value%></span> <span>Last Updated:</span> <%=Model.LastUpdateUser.StartsWith("ATPB") ? "SYSTEM" : Model.LastUpdateUser%><br /> <%=Model.LastUpdated%> <% if (DateTime.Now.Date == Model.LastUpdated.Value .Date ) {%> <%=Math.Round((DateTime.Now - (DateTime)Model.LastUpdated).TotalHours, 0)%> hr<%} %> <p> <%=Html.EditorFor(model => model.SequenceDateTimeAsString)%> <%=Html.EditorFor(model => model.AssignedId)%> <span><%=Html.EditorFor(model => model.Origination)%></span> </p> </div> </fieldset> <script type="text/javascript"> $(document).ready(function() { function validate_excpt(formData, jqForm, options) { var form = jqForm[0]; } // post-submit callback function showResponse(responseText, statusText, xhr, $form) { if (responseText.substring(0, 16) != "System.Exception") { $('#error-msg-<%=Model.ExceptionID %> span:last').html('<strong>Update successful.</strong>'); } else { $('#error-msg-<%=Model.ExceptionID %> span:last').html('<strong>Update failed.</strong> ' + responseText.substring(0, 48)); } $('#error-msg-<%=Model.ExceptionID %>').removeClass('hide'); $('#gui-stat-<%=Model.ExceptionID %>').html(responseText[1]); } $('#exc-<%=Model.ExceptionID %>').ajaxForm({ target: '#error-msg-<%=Model.ExceptionID %>', beforeSubmit: validate_excpt, success: showResponse, dataType: 'json' }).enable(<%=Model.EnableEdit.ToString().ToLower() %>); $("input[id^='exc-flwup-']").datepicker({ duration: 0, buttonImage: '/Content/images/calender.gif', buttonImageOnly: true, showOn:'button', constrainInput: true, showTime: true, stepMinutes: 30, stepHours: 1, altTimeField: '', time24h: true, minDate: 0 }); $("input[id^='exc-flwup-<%=Model.ExceptionID%>']").click(function() { $(this).val(''); }); $('#ui-timepicker-div').bgiframe(); }); </script> Using this code I am disabling the fields when the view loads.. like this my view displyas for number of users which I am going to selct using this below code I am able to disable only first Fiedset not for other fieldsets? $("#Fieldset1").find("input, select,textarea").attr('disabled', 'disabled'); why its happening? I need to disable for how many users I select.... thanks..

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  • How to conditionally exclude features from "FeaturesDlg" in WiX 3.0 from a managed Custom Action (DT

    - by Gerald
    I am trying to put together an installer using WiX 3.0 and I'm unsure about one thing. I would like to use the FeaturesDlg dialog to allow the users to select features to install, but I need to be able to conditionally exclude some features from the list based on some input previously received, preferably from a managed Custom Action. I see that if I set the "Display" attribute of a Feature to "hidden" in the .wxs file that it does what I want, but I can't figure out a way to change that attribute at runtime. Any pointers would be great.

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  • Seriously, what's the deal with InheritInChildApplications? Does this work for anyone??

    - by mare
    I've tried wrapping my <system.web> with <location path="." InheritInChildApplications="false"> like this <location path="." InheritInChildApplications="false"> <system.web>...</system.web> </location> But VS 2010 Web Developer Express keeps saying "The 'InheritInChildApplications' attribute is not allowed" and when I run my web app there's an error: "HTTP Error 500.19 - Internal Server Error The requested page cannot be accessed because the related configuration data for the page is invalid." Config Error Unrecognized attribute 'InheritInChildApplications'. I've seen some smartguys all over the Internet discussing this and how it is working for them but there's much larger number of people here at SO and other places that did not get this to work. My configuration: ASP.NET 4.0 RTM, VS 2010, IIS 7.5

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  • Update EntitySet<> LINQ to SQL references

    - by gtas
    I know that when attaching an entity into a DataContext you have to also attach the related referenced objects manually too. While I'm attaching the EntityRef<'s everything works as expected and my entities are updated to the database. But i have noticed that a problem occurs while trying to attach the EntitySet<'s. I dont use rowversion columns so I'm attaching for every entity on the EntitySet< using original values. Tried just attaching AttachAll() the EntitySet< with no luck and no exception too. There is no exception but the update is not really happening. What am i missing?

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  • ASP.NET MVC: AuthorizeAttribute on default page

    - by AlexB
    The default controller in my ASP.NET MVC project is decorated with the [Authorize] attribute. When I deploy the website on my development machine and access the website, I am redirected to the login page (defined in forms loginUrl section of the Web.Config). Result: everything works as expected. When I publish the website on our production server (Windows Server 2008, IIS 7, DefaultAppPool) and access the website, the expected address shows in the address bar (/Account/LogOn?ReturnUrl=*my_expected_return_url*), but the page displays "You do not have permission to view this directory or page." instead of the login page. If I remove the [Authorize] attribute on the default controller/action, the page displays correctly. My Web.Config file: sessionState mode="InProc" timeout="30" authentication mode="Forms" forms loginUrl="~/Account/LogOn" timeout="2880"

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  • Failed Castle ActiveRecord TransactionScope causes future queries to be invalid

    - by mbp
    I am trying to solve an issue when using a Castle ActiveRecord TransactionScope which is rolled back. After the rollback, I am unable to query the Dog table. The "Dog.FindFirst()" line fails with "Could not perform SlicedFindAll for Dog", because it cannot insert dogMissingName. using (new SessionScope()) { try { var trans = new TransactionScope(TransactionMode.New, OnDispose.Commit); try { var dog = new Dog { Name = "Snowy" }; dog.Save(); var dogMissingName = new Dog(); dogMissingName.Save(); } catch (Exception) { trans.VoteRollBack(); throw; } finally { trans.Dispose(); } } catch (Exception ex) { var randomDog = Dog.FindFirst() Console.WriteLine("Random dog : " + randomDog.Name); } } Stacktrace is as follows: Castle.ActiveRecord.Framework.ActiveRecordException: Could not perform SlicedFindAll for Dog ---> NHibernate.Exceptions.GenericADOException: could not insert: [Mvno.Dal.Dog#219e86fa-1081-490a-92d1-9d480171fcfd][SQL: INSERT INTO Dog (Name, Id) VALUES (?, ?)] ---> System.Data.SqlClient.SqlException: Cannot insert the value NULL into column 'Name', table 'Dog'; column does not allow nulls. INSERT fails. The statement has been terminated. ved System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) ved System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) ved System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) ved System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) ved System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) ved System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) ved System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) ved System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) ved System.Data.SqlClient.SqlCommand.ExecuteNonQuery() ved NHibernate.AdoNet.AbstractBatcher.ExecuteNonQuery(IDbCommand cmd) ved NHibernate.AdoNet.NonBatchingBatcher.AddToBatch(IExpectation expectation) ved NHibernate.Persister.Entity.AbstractEntityPersister.Insert(Object id, Object[] fields, Boolean[] notNull, Int32 j, SqlCommandInfo sql, Object obj, ISessionImplementor session) --- End of inner exception stack trace --- ved NHibernate.Persister.Entity.AbstractEntityPersister.Insert(Object id, Object[] fields, Boolean[] notNull, Int32 j, SqlCommandInfo sql, Object obj, ISessionImplementor session) ved NHibernate.Persister.Entity.AbstractEntityPersister.Insert(Object id, Object[] fields, Object obj, ISessionImplementor session) ved NHibernate.Action.EntityInsertAction.Execute() ved NHibernate.Engine.ActionQueue.Execute(IExecutable executable) ved NHibernate.Engine.ActionQueue.ExecuteActions(IList list) ved NHibernate.Engine.ActionQueue.ExecuteActions() ved NHibernate.Event.Default.AbstractFlushingEventListener.PerformExecutions(IEventSource session) ved NHibernate.Event.Default.DefaultAutoFlushEventListener.OnAutoFlush(AutoFlushEvent event) ved NHibernate.Impl.SessionImpl.AutoFlushIfRequired(ISet`1 querySpaces) ved NHibernate.Impl.SessionImpl.List(CriteriaImpl criteria, IList results) ved NHibernate.Impl.CriteriaImpl.List(IList results) ved NHibernate.Impl.CriteriaImpl.List() ved Castle.ActiveRecord.ActiveRecordBase.SlicedFindAll(Type targetType, Int32 firstResult, Int32 maxResults, Order[] orders, ICriterion[] criteria) --- End of inner exception stack trace --- ved Castle.ActiveRecord.ActiveRecordBase.SlicedFindAll(Type targetType, Int32 firstResult, Int32 maxResults, Order[] orders, ICriterion[] criteria) ved Castle.ActiveRecord.ActiveRecordBase.FindFirst(Type targetType, Order[] orders, ICriterion[] criteria) ved Castle.ActiveRecord.ActiveRecordBase.FindFirst(Type targetType, ICriterion[] criteria) ved Castle.ActiveRecord.ActiveRecordBase`1.FindFirst(ICriterion[] criteria)

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  • DBD::CSV: How can I generate different behavior with the two f_ext-options ".csv" and ".csv/r"?

    - by sid_com
    This is from the DBD::File-documentation: f_ext This attribute is used for setting the file extension where (CSV) files are opened. There are several possibilities. DBI:CSV:f_dir=data;f_ext=.csv In this case, DBD::File will open only table.csv if both table.csv and table exist in the datadir. The table will still be named table. If your datadir has files with extensions, and you do not pass this attribute, your table is named table.csv, which is probably not what you wanted. The extension is always case-insensitive. The table names are not. DBI:CSV:f_dir=data;f_ext=.csv/r In this case the extension is required, and all filenames that do not match are ignored. It was not possible for me to generate different behavior with the two options ".csv/r" and ".csv". Could someone show me an example, where I can see the difference between ".csv/r" and ".csv"?

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  • How to map a property with formula in NHibernate?

    - by yapiskan
    I have a class which I want to add a property with using formula attribute. Here is the mapping that I use in mapping file. <property name="CurrentUserVote" type="Climate.Domain.Vote, Climate.Domain" formula="(select v from Vote v where v.AchievementId=Id and (v.IP=:CurrentUserVoteFilter.CurrentUserIP))"></property> As you see, I want this property to be an object which refers to class that already has an nhibernate mapping. Is it possible to map a property with formula attribute to a class? Thanks in advance.

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  • activemq-maven-plugin ignore files in classpath?

    - by Oscar Chan
    I have been trying to get activemq-maven-plugin to run activemq with configuration in classpath of the bundle. However, I don't have much luck. It seems that the activemq-maven-plugin just ignore resources (resources/main/conf/activemq.properties) the local bundle. I checked the jar and target/classes and they are built into the right local. I am able to get plugin to run (mvn activemq:run) if I take out the PropertyPlaceholderConfigurer bean in the activemq.xml Did I do anything wrong? Here is the output [INFO] ------------------------------------------------------------------------ [ERROR] BUILD ERROR [INFO] ------------------------------------------------------------------------ [INFO] Failed to start ActiveMQ Broker Embedded error: Could not load properties; nested exception is java.io.FileNotFoundException: class path resource [conf/activemq.properties] cannot be opened because it does not exist [INFO] ------------------------------------------------------------------------ [INFO] For more information, run Maven with the -e switch [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2 seconds [INFO] Finished at: Mon May 03 15:56:05 PDT 2010 [INFO] Final Memory: 11M/79M [INFO] ------------------------------------------------------------------------ Here is the pom.xml, which I specific the plugin to look up activemq.xml via file, that works. However, in the activemq.xml <?xml version="1.0"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>oc.test</groupId> <artifactId>mq</artifactId> <version>0.1</version> <name>mq</name> <url>http://maven.apache.org</url> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.apache.activemq.tooling</groupId> <artifactId>maven-activemq-plugin</artifactId> <version>5.3.1</version> <configuration> <configUri>xbean:file:src/main/resources/conf/activemq.xml</configUri> <fork>false</fork> <systemProperties> <property> <name>javax.net.ssl.keyStorePassword</name> <value>password</value> </property> <property> <name>org.apache.activemq.default.directory.prefix</name> <value>./target/</value> </property> </systemProperties> </configuration> <dependencies> <dependency> <groupId>org.springframework</groupId> <artifactId>spring</artifactId> <version>2.5.5</version> </dependency> </dependencies> </plugin> </plugins> </build> </project> Here is the src/main/resources/conf/activemq.xml <?xml version="1.0"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:amq="http://activemq.apache.org/schema/core" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd http://activemq.apache.org/schema/core http://activemq.apache.org/schema/core/activemq-core.xsd "> <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="locations"> <value>classpath:conf/activemq.properties</value> </property> <property name="systemPropertiesModeName" value="SYSTEM_PROPERTIES_MODE_OVERRIDE"/> </bean> <broker xmlns="http://activemq.apache.org/schema/core" brokerName="localhost" dataDirectory="./data"> <!-- The transport connectors ActiveMQ will listen to --> <transportConnectors> <transportConnector name="openwire" uri="tcp://localhost:61616"/> </transportConnectors> </broker> </beans> Here is the src/main/resources/conf/activemq.properties activemq.port=61616

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  • java.lang.NoClassDefFoundError: javax/persistence/Persistence

    - by ManWard
    hi , i'm using Netbeans 6.8 and build simple Maven web application project. create Entity and main file for persist Entity [also create persist unit] and use EclipsLink. but when i run main file get this error : Exception in thread "main" java.lang.NoClassDefFoundError: javax/persistence/Persistence at Main.main(Main.java:34) Caused by: java.lang.ClassNotFoundException: javax.persistence.Persistence at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:248) ... 1 more in netbeans projects window and in my project libraries folder only add this package : javaee-web-api-6.0.jar [provided] please help me for solve this Error thanks

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  • invoke javax.el.MethodExpression from jsf component

    - by marcos
    Hello gurus I have a jsp tag wich takes a javax.el.MethodExpression as attribute: <%@ attribute name="action" required="true" type="javax.el.MethodExpression" rtexprvalue="true" %> within the same tag i have: <h:commandLink action="#{action}"> link text </h:commandLink> I'm getting the following error when i try to click the link: javax.faces.FacesException: #{action}: org.apache.jasper.el.JspMethodNotFoundException: /WEB-INF/tags/pager/pager.tag(17,1) '#{action}' Identity 'action' was null and was unable to invoke is it possible for the commandLink to properly invoke the "action" method?

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  • Bidirectional Serialization with Linq

    - by Andy
    Anyone know why only undirectional serialization is supported in the Linq designer? Consider the following example: Say we have a Customer who requested an Order containing Products. We set the Serialization Mode in the Linq designer to Unidirectional to enable serialization. When looking at the code for the Order object, the DataMember attribute is added to all its internal properties such as ID,OrderNumber, etc. and also to the EntitySet of Products, but not to Customer. One can get around this by manually adding the DataMember attribute to Customer, but this becomes quite cumbersome when there's loads of entities in the database.

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  • Specifying Android project dependencies (in Eclipse)

    - by Henrik Gustafsson
    I have two Android projects, a 'library project' containing a custom layout, and an 'application project' containing an application which uses the layout. Everything seems to build and execute fine, except that the visual layout editor throws a ClassNotFoundException (which I assume is a bug in the plug-in), but when I try to start to make use of the attributes I defined for the custom layout in the xml, I can no longer build. That is; this works: <?xml version="1.0" encoding="utf-8"?> <se.fnord.android.layout.PredicateLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="asdfasdf" /> </se.fnord.android.layout.PredicateLayout> Whereas this does not: <?xml version="1.0" encoding="utf-8"?> <se.fnord.android.layout.PredicateLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:fnord="http://schemas.android.com/apk/res/se.fnord.android" android:layout_width="fill_parent" android:layout_height="fill_parent"> <TextView fnord:layout_horizontalSpacing="1px" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="asdfasdf" /> </se.fnord.android.layout.PredicateLayout> The build fails with a message from aapt: ERROR No resource identifier found for attribute 'layout_horizontalSpacing' in package 'se.fnord.android' The resource identifier does exist in the R-file and attrs.xml contained the library project, and if I put the layout code and resources directly in the application project everything works fine. The layout_horizontalSpacing attribute (and layout_verticalSpacing) is a custom attribute used in the PredicateLayout.LayoutParam class to specify the distance to the next widget. So far I've tried the standard eclipse ways by specifying project references and build path project dependencies. I was also told to try the tag in the application manifest, which did not help. So, what do I need to do for the references in the xml-file to work? I don't know if it's relevant, but the 'library' manifest looks like this: <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="se.fnord.android" android:versionCode="1" android:versionName="1.0.0"> </manifest> The 'application' manifest like this: <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="se.fnord.appname" android:versionCode="1" android:versionName="1.0.0"> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name=".AppName" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> </manifest> (The 'PredicateLayout', btw, is a cleaned-up version of this).

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  • Weak-linking with static libraries

    - by Jaakko L.
    I have declared an external function with a GCC weak attribute in a .c file: extern int weakFunction( ) __attribute__ ((weak)); Compiled object file has weakFunction defined as a weak symbol. Output of nm: 1791: w weakFunction I am calling the weak defined function as follows: if (weakFunction != NULL) { weakFunction(); } When I link the program by defining the object files as parameters to GCC (gcc main.o weakf.o -o main.exe) weak symbols work fine. If I leave the weakf.o out of linking, the function address is NULL in main.c and the function won't be called. Problem is, when weakf.o is inside a static library, for some reason the linker doesn't find the function and the function address always ends up being NULL. Static library is created with ar: ar rcs weaklibrary weakf.o Anyone had similar problems?

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  • iPhone CoreData join

    - by Ken
    Hi guys, long time reader, first time poster. (A link to this schema is located here) http://www.weeshsoft.com/pix/DatabasePic.jpg I'm trying to get all LanguageEntries from a database for a given category.categoryName and languageset.languageSetName e.g. NSFetchRequest* fetchRequest = [[NSFetchRequest alloc] init]; NSEntityDescription *entity = [NSEntityDescription entityForName:@"LanguageEntry" inManagedObjectContext:del.managedObjectContext]; [fetchRequest setEntity:entity]; NSString* predicateString = [NSString stringWithFormat:@"Category.categoryName = %@ AND LanguageSet.languageSetName = %@", @"Food", @"English####Spanish"]; fetchRequest.predicate = [NSPredicate predicateWithFormat:predicateString]; NSError *error = nil; NSArray* objects = [del.managedObjectContext executeFetchRequest:fetchRequest error:&error]; This always returns 0 objects. If I set the predicate string to match on one relationship (e.g. Category.categoryName = Food or languageSet.languageSetName = English####Spanish) it will return data. This is baffling, can anyone shed some light? -Ken

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  • How to use Enum as NamedQuery parameters in JPA

    - by n002213f
    I have an Entity with a enum attribute and a couple on NamedQueries. One of these NamedQueries has a the enum attribute as a parameter i.e. SELECT m FROM Message m WHERE status = :status When i try to ru n the query i get the following error; Caused by: java.lang.IllegalArgumentException: You have attempted to set a value of type class my.package.Status for parameter status with expected type of class my.package.Status from query string SELECT m FROM Message m WHERE m.status = :status. I'm using Toplink How is this? How would i make JPA happy?

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  • Is TDD broken in Python?

    - by Konstantin
    Hi! Assume we have a class UserService with attribute current_user. Suppose it is used in AppService class. We have AppService covered with tests. In test setup we stub out current_user with some mock value: UserService.current_user = 'TestUser' Assume we decide to rename current_user to active_user. We rename it in UserService but forget to make change to its usage in AppService. We run tests and they pass! Test setup adds attribute current_user which is still (wrongly but successfully) used in AppService. Now our tests are useless. They pass but application will fail in production. We can't rely on our test suite == TDD is not possible. Is TDD broken in Python?

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