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• Problems with ASP.NET State Service version; state service is 1.1, website is 3.5

  - by Mick Byrne

  Hi there, I have a ASP.NET 3.5 website running on Windows Server 2003 and I'm using the ASP.NET State Service to manage sessions. It will appear to be working then I regularly get an error saying my code needs to have version 2.0 of the State Service running to work (I think that's what it said, I've temporarily switched back to storing sessions InProc). Refresh the page and the error goes away (for a bit, it's bound to come back). So I looked at the properties of the ASP.NET State Service in the Services interface and it's mapping to a .exe in the 1.1 framework folder: C:\WINDOWS\Microsoft.NET\Framework\v1.1.4322\aspnet_state.exe There's a corresponding version in the 2.0 framework folder, but I don't know how to add it as a new service. I'm also not sure that adding the 2.0 version (and stopping and/or removing the 1.1 version) will solve the problem. Thanks in advance for any help anyone can provide. Mick

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• No persister for: <ClassName> issue with Fluent NHibernate

  - by Amit

  I have following code: //AutoMapConfig.cs using System; using FluentNHibernate.Automapping; namespace SimpleFNH.AutoMap { public class AutoMapConfig : DefaultAutomappingConfiguration { public override bool ShouldMap(Type type) { return type.Namespace == "Examples.FirstAutomappedProject.Entities"; } } } //CascadeConvention.cs using FluentNHibernate.Conventions; using FluentNHibernate.Conventions.Instances; namespace SimpleFNH.AutoMap { public class CascadeConvention : IReferenceConvention, IHasManyConvention, IHasManyToManyConvention { public void Apply(IManyToOneInstance instance) { instance.Cascade.All(); } public void Apply(IOneToManyCollectionInstance instance) { instance.Cascade.All(); } public void Apply(IManyToManyCollectionInstance instance) { instance.Cascade.All(); } } } //Item.cs namespace SimpleFNH.Entities { public class Item { public virtual long ID { get; set; } public virtual string ItemName { get; set; } public virtual string Description { get; set; } public virtual OrderItem OrderItem { get; set; } } } //OrderItem.cs namespace SimpleFNH.Entities { public class OrderItem { public virtual long ID { get; set; } public virtual int Quantity { get; set; } public virtual Item Item { get; set; } public virtual ProductOrder ProductOrder { get; set; } public virtual void AddItem(Item item) { item.OrderItem = this; } } } using System; using System.Collections.Generic; //ProductOrder.cs namespace SimpleFNH.Entities { public class ProductOrder { public virtual long ID { get; set; } public virtual DateTime OrderDate { get; set; } public virtual string CustomerName { get; set; } public virtual IList<OrderItem> OrderItems { get; set; } public ProductOrder() { OrderItems = new List<OrderItem>(); } public virtual void AddOrderItems(params OrderItem[] items) { foreach (var item in items) { OrderItems.Add(item); item.ProductOrder = this; } } } } //NHibernateRepo.cs using FluentNHibernate.Cfg; using FluentNHibernate.Cfg.Db; using NHibernate; using NHibernate.Criterion; using NHibernate.Tool.hbm2ddl; namespace SimpleFNH.Repository { public class NHibernateRepo { private static ISessionFactory _sessionFactory; private static ISessionFactory SessionFactory { get { if (_sessionFactory == null) InitializeSessionFactory(); return _sessionFactory; } } private static void InitializeSessionFactory() { _sessionFactory = Fluently.Configure().Database( MsSqlConfiguration.MsSql2008.ConnectionString( @"server=Amit-PC\SQLEXPRESS;database=SimpleFNH;Trusted_Connection=True;").ShowSql()). Mappings(m => m.FluentMappings.AddFromAssemblyOf<Order>()).ExposeConfiguration( cfg => new SchemaExport(cfg).Create(true, true)).BuildSessionFactory(); } public static ISession OpenSession() { return SessionFactory.OpenSession(); } } } //Program.cs using System; using System.Collections.Generic; using System.Linq; using SimpleFNH.Entities; using SimpleFNH.Repository; namespace SimpleFNH { class Program { static void Main(string[] args) { using (var session = NHibernateRepo.OpenSession()) { using (var transaction = session.BeginTransaction()) { var item1 = new Item { ItemName = "item 1", Description = "test 1" }; var item2 = new Item { ItemName = "item 2", Description = "test 2" }; var item3 = new Item { ItemName = "item 3", Description = "test 3" }; var orderItem1 = new OrderItem { Item = item1, Quantity = 2 }; var orderItem2 = new OrderItem { Item = item2, Quantity = 4 }; var orderItem3 = new OrderItem { Item = item3, Quantity = 5 }; var productOrder = new ProductOrder { CustomerName = "Amit", OrderDate = DateTime.Now, OrderItems = new List<OrderItem> { orderItem1, orderItem2, orderItem3 } }; productOrder.AddOrderItems(orderItem1, orderItem2, orderItem3); session.Save(productOrder); transaction.Commit(); } } using (var session = NHibernateRepo.OpenSession()) { // retreive all stores and display them using (session.BeginTransaction()) { var orders = session.CreateCriteria(typeof(ProductOrder)) .List<ProductOrder>(); foreach (var item in orders) { Console.WriteLine(item.OrderItems.First().Quantity); } } } } } } I tried many variations to get it working but i get an error saying No persister for: SimpleFNH.Entities.ProductOrder Can someone help me get it working? I wanted to create a simple program which will set a pattern for my bigger project but it is taking quite a lot of time than expected. It would be rally helpful if you can explain in simple terms on any template/pattern that i can use to get fluent nHibernate working. The above code uses auto mapping, which i tried after i tried with fluent mapping.

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• JPA : Inheritance - Discriminator value not taken into account in generated SQL

  - by Julien

  I try to use this mapping : @Entity @Table(name="ecc.\"RATE\"") @Inheritance(strategy=InheritanceType.SINGLE_TABLE) @DiscriminatorColumn(name="DISCRIMINATOR", discriminatorType= DiscriminatorType.STRING) public abstract class Rate extends GenericBusinessObject { ... } @Entity @DiscriminatorValue("E") public class EntranceRate extends Rate { @ManyToOne @JoinColumn(name = "\"RATES_GRID_ID\"") protected RatesGrid ratesGrid; ... } @Entity @Table(name="ecc.\"RATES_GRID\"") public class RatesGrid extends GenericBusinessObject { /** */ @OneToMany(mappedBy = "ratesGrid", targetEntity = EntranceRate.class, fetch=FetchType.LAZY) private List<EntranceRate> entranceRates; } When I try to access my entranceRates list from a ratesGrid object, I get this error : Object with id: 151 was not of the specified subclass: com.ecc.bo.rate.EntranceRate (loaded object was of wrong class class com.ecc.bo.rate.AnnualRate) Looking at the sql generated, I found no trace of "discriminator=" in the where clause. What am I doing wrong ? I use a PostGreSQL database and a Hibernate as JPA provider.

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• how to manage vim plugin

  - by Haiyuan Zhang

  I want to know how do you manage your vim plugins. As it is, One of the biggest fun of using is that one can easily try many interesing new plugins, just download it and unzip it in under ~/.vim. But if you try too often and try too much, you might get trouble as confilct of key mapping , in compatitble script version, dpendency between different plugin ..... Then you want to remove some plugin ,kind of like rollback your vim to a sound condition. But, the rollback could be very painful . cus for some "giant" plugin, like perl-support ( it's great plugin, anyway), will consist of many vim scripts which spread in different dirctories. To remove single one giant plugin will be anoying, not too mention if you remvoe many plugin at one time. In a word , I'm looking for good practice for managing vim plugins.

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• IStatelessSession insert object with many-to-one

  - by Andrew Kalashnikov

  Hello guys. I've got common mapping <class name="NotSyncPrice, Portal.Core" table='Not_sync_price'> <id name="Id" unsaved-value="0"> <column name="id" not-null="true"/> <generator class="native"/> </id> <many-to-one name="City" class="Clients.Core.Domains.City, Clients.Core" column="city_id" cascade="none"></many-to-one> <!--<property name="City"> <column name="city_id"/> </property>--> I want to use IStatelessSession for batch insert. But when i set city object to NotSyncPrice object and call IStatelessSession I've got strange exception: NHibernate.Impl.StatelessSessionImpl.get_Timestamp() When its null or int all is ok. I try use real && proxy city object. But no result. What's wrong:( Please help

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• GWT Date Picker Format problem when saving a java date through hibernate in postgresql

  - by Noor

  Hi, I am using Java Date and Hibernate which is then being saved in the database (Postgresql). I am not that good in hibernate Part of the Mapping File <property name="DateOfBirth" type="java.util.Date"> <column name="DATEOFBIRTH" /> </property> I am using GWT Date picker Short date format i.e. yyyy-MM-dd. I am getting the value from the date picker using View.getUserDateOfBirth().getValue() But when I am saving the date 2010-11-30 into the datebase it is saving it as 2010-11-30 00:00:00 instead of 2010-11-30 So, I want it to be saved in the database as in this format 2010-11-30?? I have many things such timestamp but i not being able to configure it. I think this part <property name="DateOfBirth" type="java.util.Date"> <column name="DATEOFBIRTH" /> </property> should be changed but I do not know what to change

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• XSD data set with Oracle database

  - by Ed Woodcock

  Hi folks, I'm having a major issue with an XSD dataset mapping thingy that I'm using within my current project. We are using XSDs for some data abstraction (it's quicker and debatably more maintainable that using Parameterised SQL or a StoredProc), and on my machine (running in the VS development environment) thy're working fine. However, on the Pre-production server we use for our testing, the XSDs are not working correctly: some method calls will fail with the following error: System.ArgumentException: Value does not fall within the expected range. at Oracle.DataAccess.Client.OracleParameter.set_DbType(DbType value) Has anyone ever encountered this issue before? The methods being called are simple select statements using 1-3 parameters, and as I said before they work fine on my machine.

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• Is there a production ready web application framework in Python?

  - by peperg

  I heard lots of good opinions about Python language. They say it's mature, expressive etc... Are there any production-ready web application frameworks in Python. By "production ready" I mean : supports objective-relational mapping with caching and declarative desciption (like JPA, Hibernate etc..) controls oriented user interface support - no HTML templates but something like JSF (RichFaces, Icefaces) or GWT, Vaadin, ZK component decomposition and dependency injection (like EJB or Spring) unit and integration testing good IDE support clustering, modularity etc (like Terracota, OSGi etc..) there are successful applications written in it by companies like IBM, Oracle etc (I mean real business applications not Twitter) could have commercial support Is it possible at all in Python world ? Or only choices are : use Python and write everything from the bottom (too expensice) stick to JEE buy .NET stack

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• Restkit Serializing a Boolean from NSNumber

  - by angelokh

  One of managed objects has one attribute 'isMember' represented by NSNumber type. When serialize to Json post body by RestKit, it always give 0/1 instead of YES/NO or true/false. When mapping from json result to objects, RestKit is able to successfully turn YES/NO to NSNumber. What is the way to force serialize the boolean attribute to YES/NO or true/false? Serialize: 0 -> 0, 1 -> 1 Deserialize : YES/true -> 1, NO/false -> 0

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• Unidirectional OneToMany in Doctrine 2

  - by darja

  I have two Doctrine entities looking like that: /** * @Entity * @Table(name = "Locales") */ class Locale { /** * @Id @Column(type="integer") * @GeneratedValue(strategy="IDENTITY") */ private $id; /** @Column(length=2, name="Name", type="string") */ private $code; } /** * @Entity * @Table(name = "localized") */ class LocalizedStrings { /** * @Id @Column(type="integer") * @GeneratedValue(strategy="IDENTITY") */ private $id; /** @Column(name="Locale", type="integer") */ private $locale; /** @Column(name="SomeText", type="string", length=300) */ private $someText; } I'd like to create reference between these entities. LocalizedStrings needs reference to Locale but Locale doesn't need reference to LocalizedStrings. How to write such mapping via Doctrine 2?

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• Unidirectional One-to-Many Associations in Entity Framework 4?

  - by Eric J.

  Does EF 4 support unidirectional one-to-many associations, as in: public class Parent { public int Id { get; set; } public string Something { get; set; } public List<Child> AllMyChildren { get; set; } } public class Child { public int Id { get; set; } public string Anotherthing { get; set; } // I don't want a back-reference to the Parent! // public int ParentId { get; set; } } When I try to compile my project with an association between Parent and Child where End2 Navigation is blank (because I unchecked the End2 Navigation Property checkbox in the Add Association dialog), I get Error 2027: No mapping specified for the following EntitySet/AssociationSet - Child.

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• Avoid implicit conversion from date to timestamp for selects with Oracle using Hibernate

  - by sapporo

  I'm using Hibernate 3.2.7.GA criteria queries to select rows from an Oracle Enterprise Edition 10.2.0.4.0 database, filtering by a timestamp field. The field in question is of type java.util.Date in Java, and DATE in Oracle. It turns out that the field gets mapped to java.sql.Timestamp, and Oracle converts all rows to TIMESTAMP before comparing to the passed in value, bypassing the index and thereby ruining performance. One solution would be to use Hibernate's sqlRestriction() along with Oracle's TO_DATE function. That would fix performance, but requires rewriting the application code (lots of queries). So is there a more elegant solution? Since Hibernate already does type mapping, could it be configured to do the right thing? Update: The problem occurs in a variety of configurations, but here's one specific example: Oracle Enterprise Edition 10.2.0.4.0 Oracle JDBC Driver 11.1.0.7.0 Hibernate 3.2.7.GA Hibernate's Oracle10gDialect Java 1.6.0_16

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• In VisualStudio 2008, emacs mode - how can you enable "overwrite"?

  - by Abby Fichtner

  Using VisualStudio 2008, have emacs keyboard mapping scheme enabled. If I select text and try to paste over it, it INSERTS the new text, rather than replacing it. Also, if I select text and hit DELETE it deletes the first character AFTER the selected text (just as if I didn't have any text selected). Does anyone know how to fix this so that I get the standard windows behavior. That is: If I select text and try to paste over it, it replaces the selected text with what I pasted in. If I select text and hit the DELETE key, it actually deletes the text I have selected Thanks! Abby

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• Xml files stop being served by IIS6 after allowing .net to process the .xml extension

  - by Brian Surowiec

  I added a route into my site to allow for a sitemap and everything worked fine in IIS7 but once I deployed the route stopped working. Since the live server is running IIS6 I needed to put a new mapping in for .xml to be processed by .net and then it started to work. My issue though is on every other xml file on the site now. I keep getting a 404 error when trying to view xml files, but the sitemap.xml route works. Is this a routing issue or an IIS setup issue? Here are my routes if it will help routes.IgnoreRoute("{resource}.axd/{*pathInfo}"); routes.MapRoute( "Gallery-Group-View", "Projects/{groupId}", new { controller = "Gallery", action = "GalleryList", groupId = "" }); routes.MapRoute( "Gallery-List-View", "Projects/{groupId}/{galleryId}", new { controller = "Gallery", action = "GalleryView", groupId = "", galleryId = "" }); routes.MapRoute( "Sitemap", "Sitemap.xml", new { controller = "XML", action = "Sitemap" } ); routes.MapRoute( "Default", "{controller}/{action}/{id}", new { controller = "Home", action = "Index", id = "" } );

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• Passing a Java object from one Struts action to another

  - by Bernhard V

  Hello! In one of my Struts action I've got the following code in a method: ... List<Object> retrievedListOfObjects = c.getListOfObjects(); return mapping.findForward("fw_view"); } fw_view leads to a new Struts action with another Struts form. Let's say this form has got among others the following field List<Object> listOfObjects; I now want to pass the retrievedListOfObjects from within the first Struts action to the form of the following Struts action. Is this possible without storing it in the session?

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• Date format strings in .Net and Java

  - by mizipzor

  I have an application that runs on both C# .Net and Java. Two entirely separate but identical code bases. The problem Im having is formatting date and numbers. For example: A user running the .Net variant is inputting a date and a format string. The 26th of April 1986 is formatted 1986-04-26. The actual date, along with the format string, is serialized to an XML file. Later another user running the Java variant opens said XML file and looks at the date. I want them to look the same. Whats the best approach here? There doesnt seem to be a one-to-one mapping between Java and .Nets format strings. Should I limit the possible formats to a selection I know I can represent fully in both .Net and Java?

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• Unique element ID to reference later

  - by Hanpan

  I'm trying to figure out a method of storing a unique reference to each tag on a particular page. I won't have any ability to edit the page content and I'll the generated UID to stay the same on every page refresh. Since browsers don't generate any kind of UID for elements, I was thinking that the only method to do this would be to execute a script which walks the DOM and creates a UID for each it comes across. I don't know how accurate this will be, especially considering I'll need to ensure it creates the same UID for the tag each time the script crawls the page. Can anyone think of any other, more accurate ways of mapping a page? Many thanks.

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• Strange exception while using linq2sql

  - by zerkms

  Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.ArgumentNullException: Value cannot be null. Parameter name: mapping Source Error: Line 45: #endregion Line 46: Line 47: public db() : Line 48: base(global::data.Properties.Settings.Default.nanocrmConnectionString, mappingSource) Line 49: { this is what i get if i implement such class: partial class db { static db _db = new db(); public static db GetInstance() { return _db; } } db is a linq2sql datacontext why this hapenned and how to solve this?

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• Get all related products based on their full-text search relationship

  - by MikeJ

  I have a Product table with the fields Id, Title, Description, Keywords (just comma separated list of keywords). Table is full-text indexed. When I view one product, I do a query and search the full-text catalog for any related products based on the Keywords field. select * from Products where Contains(Products.*, @keywordsFromOneProduct) Works like a charm. Now I would like to list all products and all their related products in a big list and I want to avoid calling this method for each item. Any ideas how could I do it? I was thinking about a job that would go through products one by one and build a one-many mapping table (fields ProductId, RelatedProductId), but I wonder is there a better way?

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• Visual Studio 2008. MFC event wizard broken

  - by G Forty

  OK, so it's almost a programming question - The VS2008 dialog event wizard has stopped working. Double-clicking on a button in an MFC dialog project does not fire the wizard as usual and a right-click to get to the 'Add Event Handler...' shows a dialog with no message types. Further to this the MFC message mapping and virtual class listing that generally appears in the properties window (Alt + Enter) is now empty. Has anyone elese seen this and if so, how'd they fix it? I have 'repaired' my VS08 installation ... Thx++ Jerry

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• Castor: how to map a simple list of strings?

  - by Dmitriy

  I have the following field in my class: private List<String> messages; Here's the mapping I have: <field name="messages" collection="arraylist" type="string" container="false> <bind-xml name="errors" node="element"/> </field> This is what I get as a result of marshalling: <errors><string>message1</string><string>message2</string></errors> And this is what I want to achieve: <errors><error>message1</error><error>message2</error></errors> Any help is appreciated!

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• How do I return a bit from a stored procedure with nHibernate

  - by tigermain

  I am using nHibernate in my project but I have a stored procedure which just returns a boolen of success or now. How do I code this in c#? I have tried the following but it doesnt like cause I dont have a mapping for bool!!! {"No persister for: System.Boolean, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"} IQuery query = NHibernateSession.CreateSQLQuery("EXEC MyDatabase.dbo.[ContentProvider_Import] :ContentProviderImportLogId", "success", typeof(bool)) .SetInt32("ContentProviderImportLogId", log.Id); var test = query.UniqueResult<bool>(); and the same result from IQuery query = NHibernateSession.CreateSQLQuery("EXEC MyDatabase.dbo.[ContentProvider_Import] :ContentProviderImportLogId") .AddEntity(typeof(bool)) .SetInt32("ContentProviderImportLogId", log.Id); var test = query.UniqueResult<bool>();

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• Using Hibernate with Dynamic Eclipse Plug-ins

  - by AlbertoPL

  I have classes that are named exactly the same across different plug-ins that I use for my application, and I'd like to be able to configure them properly with Hibernate. The problem is that it looks like Hibernate dynamically generates a class' package name when trying to find a class when it's doing its mapping. With one plug-in this scheme works, but across multiple plug-ins it's not working. It looks like Hibernate gets confused when dealing with Hibernate configuration files across multiple plug-ins. Is this because each plug-in has its own class-loader? What is the best way to proceed to make this work with the existing plug-ins and Hibernate?

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• Use Automapper to flatten sub-class of property

  - by Neil

  Given the classes: public class Person { public string Name { get; set; } } public class Student : Person { public int StudentId { get; set; } } public class Source { public Person Person { get; set; } } public class Dest { public string PersonName { get; set; } public int? PersonStudentId { get; set; } } I want to use Automapper to map Source - Dest. This test obviously fails: Mapper.CreateMap<Source, Dest>(); var source = new Source() { Person = new Student(){ Name = "J", StudentId = 5 }}; var dest = Mapper.Map<Source, Dest>(source); Assert.AreEqual(5, dest.PersonStudentId); What would be the best approach to mapping this given that "Person" is actually a heavily used data-type throughout our domain model.

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• Getting sign of an integer in Assembly

  - by Sagekilla

  Hi all, I'm writing some assembly for a project using MASM (32-bit), and I was wondering what would be the easiest way to do this: int delta = A - B; int value = floor((delta + sign(delta)) / 2); Which is basically the following mapping: For 1 < A < 9, and B = 5: A = [1, 2] -> -2 A = [3, 4] -> -1 A = [5] -> 0 A = [6, 7] -> +1 A = [8, 9] -> +1 Any help is much appreciated!

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