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• Motion - can't get streaming working from a webcam

  - by Emmanuel Brunet

  I'm trying to record a video stream from my Tenvis IP camera with motion 3.2.12 on Debian 7.5. I used the standard debian package with sudo apt-get install motion Assume my DNS IP cam is webcam, user : admin, password : password /etc/motion/motion.conf Bellow are my configuration file settings : netcam_url http://webcam/videostream.cgi netcam_userpass admin:password target_dir /media/videos/log/motion # The mini-http server listens to this port for requests (default: 0 = disabled) webcam_port 1234 ffmpeg_cap_new on ffmpeg_video_codec mpeg4 output_motion off snapshot_interval 0 # Quality of the jpeg (in percent) images produced (default: 50) webcam_quality 50 # Output frames at 1 fps when no motion is detected and increase to the # rate given by webcam_maxrate when motion is detected (default: off) webcam_motion on # Maximum framerate for webcam streams (default: 1) webcam_maxrate 15 # Restrict webcam connections to localhost only (default: on) webcam_localhost on # Limits the number of images per connection (default: 0 = unlimited) # Number can be defined by multiplying actual webcam rate by desired number of seconds # Actual webcam rate is the smallest of the numbers framerate and webcam_maxrate webcam_limit 0 control_port 8080 control_authentication admin:password Issue #1 when I try display http:/localhost:1234 the browser looks frozen, no HTTP 404 received but it stills waiting for data it seems .. Issue #2 in the output directory motion writes a lot of jpeg snapshots althought I just want to have several video sequenced files. Log I run motion in interactive mode in a terminal, here is the ouput root@mercure:/etc/motion# motion -c motion-1.0.conf [0] Processing thread 0 - config file motion-1.0.conf [0] Motion 3.2.12 Started [0] ffmpeg LIBAVCODEC_BUILD 3482368 LIBAVFORMAT_BUILD 3478785 [0] Thread 1 is from motion-1.0.conf [0] motion-httpd/3.2.12 running, accepting connections [0] motion-httpd: waiting for data on port TCP 8080 [1] Thread 1 started [1] Resizing pre_capture buffer to 1 items [1] Started stream webcam server in port 1234 [1] avcodec_open - could not open codec: Operation now in progress [1] ffopen_open error creating (new) file [~/tmp/motion/01-20140603165303.avi]: Operation now in progress [1] File of type 1 saved to: ~/tmp/motion/01-20140603165303-01.jpg [1] Thread exiting [1] Calling vid_close() from motion_cleanup [1] vid_close: calling netcam_cleanup [1] netcam camera handler: finish set, exiting [0] Motion thread 1 restart [1] Thread 1 started [1] Resizing pre_capture buffer to 1 items [1] Started stream webcam server in port 1234 [1] avcodec_open - could not open codec: Resource temporarily unavailable [1] ffopen_open error creating (new) file [~/tmp/motion/01-20140603165329.avi]: Resource temporarily unavailable [1] File of type 1 saved to: ~/tmp/motion/01-20140603165329-00.jpg [1] Thread exiting [1] Calling vid_close() from motion_cleanup [1] vid_close: calling netcam_cleanup [1] netcam camera handler: finish set, exiting [0] Motion thread 1 restart [1] Thread 1 started [1] Resizing pre_capture buffer to 1 items [1] Started stream webcam server in port 1234 [1] avcodec_open - could not open codec: Connection reset by peer [1] ffopen_open error creating (new) file [~/tmp/motion/01-20140603165355.avi]: Connection reset by peer [1] File of type 1 saved to: ~/tmp/motion/01-20140603165355-06.jpg [1] Thread exiting [1] Calling vid_close() from motion_cleanup [1] vid_close: calling netcam_cleanup [0] httpd - Finishing [0] httpd Closing [0] httpd thread exit [1] netcam camera handler: finish set, exiting [0] Motion thread 1 restart [1] Thread 1 started [1] Resizing pre_capture buffer to 1 items [1] Started stream webcam server in port 1234 It doesn't find the codec ... avcodec_open - could not open codec: Operation now in progress I've changed fmpeg_video_codec from mpeg4 to swf the result is the same. When using flv format motion writes a lot of .jpg image but I can't see anything at http://localhost:1234 [1] File of type 1 saved to: ~/tmp/motion/01-20140603171035-00.jpg [1] File of type 1 saved to: ~/tmp/motion/01-20140603171035-01.jpg [1] File of type 1 saved to: ~/tmp/motion/01-20140603171035-02.jpg [1] File of type 1 saved to: ~/tmp/motion/01-20140603171035-03.jpg [1] File of type 1 saved to: ~/tmp/motion/01-20140603171035-04.jpg [1] File of type 1 saved to: ~/tmp/motion/01-20140603171035-05.jpg [1] File of type 1 saved to: ~/tmp/motion/01-20140603171035-06.jpg [1] File of type 1 saved to: ~/tmp/motion/01-20140603171036-00.jpg [1] File of type 1 saved to: ~/tmp/motion/01-20140603171036-01.jpg [1] File of type 1 saved to: ~/tmp/motion/01-20140603171036-02.jpg Any idea just to get the video stream recoded on my local disk ?

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• Fluent NHibernate View Mapping requires Id Column

  - by Matt

  Hi Trying to use FNH to map a view - FNH insists on having a Id property mapped. However not all of my views have a unique identifing column. I can get around this with XML mappings as I can just specify a <id type="int"> <generator class="increment"/> </id> at the top of the mapping. Is there any way to duplicate this in FNH...? TIA Matt

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• OData EndPoint/DataService Using IEnumerable<IQueryable>

  - by Elijah Glover

  I am using NHibernate with NHibernate.Linq, and have a bunch of dynamically loading modules each with their own POCO's and Mappings (ClassMap<POCO). I have created OData services before, but normally with a datacontext and IQueryable as Properties/Getters. What I want is to create the service by passing in IEnumerable, into the constructor IEnumerable<IQueryable>> queryableObjects; var dataService = new DataService(queryableObjects); Is this at all possible?

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• Hibernate session problem for transactions.

  - by Jani

  Hi all, I am new to hibernate and trying integrate hibernate with an existing spring based application. I configured session factory and transaction manager, transaction proxy template. I am also using Quartz scheduler in this application. When I run the application, I am getting the following exception. ERROR au.com.michaelpage.ctsgui.utils.OrganisationMergeProfileThread - Error while updating opportunity: Could not open Hibernate Session for transaction; nested exception is java.lang.IllegalStateException: Already value [org.springframework.jdbc.datasource.ConnectionHolder@9f6885] for key [weblogic.jdbc.common.internal.RmiDataSource@32b034] bound to thread [DefaultQuartzScheduler_Worker-0] My hibernate session configuration: <bean id="sessionFactoryAU" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> <property name="dataSource"> <ref bean="profileAU" /> </property> <property name="mappingResources"> <list> <value> /au/com/michaelpage/ctsgui/hibernate/dao/mappings/Opportunity.hbm.xml </value> <value> /au/com/michaelpage/ctsgui/hibernate/dao/mappings/Position.hbm.xml </value> <value> /au/com/michaelpage/ctsgui/hibernate/dao/mappings/EventRole.hbm.xml </value> </list> </property> <property name="hibernateProperties"> <props> <!-- Database Settings --> <prop key="hibernate.dialect"> org.hibernate.dialect.SybaseDialect </prop> <prop key="hibernate.query.factory_class"> org.hibernate.hql.ast.ASTQueryTranslatorFactory </prop> <!-- Cache settings --> <prop key="hibernate.cache.provider_class"> org.hibernate.cache.EhCacheProvider </prop> </props> </property> </bean> <!-- Transaction manager for a Hibernate SessionFactory --> <bean id="txManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager"> <property name="sessionFactory"> <ref bean="sessionFactoryAU" /> </property> </bean> <!-- Transaction template for Managers --> <bean id="txProxyTemplateHibernateProfileAU" abstract="true" class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean"> <property name="transactionManager"> <ref bean="txManager" /> </property> <property name="transactionAttributes"> <props> <prop key="create*">PROPAGATION_REQUIRED</prop> <prop key="save*">PROPAGATION_REQUIRED</prop> <prop key="update*">PROPAGATION_REQUIRED</prop> <prop key="delete*">PROPAGATION_REQUIRED</prop> <prop key="remove*">PROPAGATION_REQUIRED</prop> <prop key="get*">PROPAGATION_SUPPORTS</prop> </props> </property> </bean> <bean id="organisationMergeProfileMgrAU" parent="txProxyTemplateHibernateProfileAU"> <property name="target"> <bean class="au.com.michaelpage.ctsgui.mgr.profile.OrganisationMergeProfileMgrImpl"> <property name="commonProfileDao"> <ref bean="commonProfileDaoAU" /> </property> <property name="organisationMergeProfileDao"> <ref bean="organisationMergeDaoAU" /> </property> <property name="hibernateOrganisationDAO"> <ref bean="hibernateOrganisationDAOAU" /> </property> <property name="hibernateOpportunityDAO"> <ref bean="hibernateOpportunityDAOAU" /> </property> <property name="hibernatePositionDAO"> <ref bean="hibernatePositionDAOAU" /> </property> <property name="hibernateEventRoleDAO"> <ref bean="hibernateEventRoleDAOAU" /> </property> </bean> </property> </bean> My Quartz scheduler configuration: <bean id="organisationMergeJobDetail" class="org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean"> <property name="targetObject" ref="organisationMergeJob" /> <property name="targetMethod" value="execute" /> <property name="concurrent" value="false" /> </bean> <bean id="organisationMergeProfileRegularCheckerTrigger" class="org.springframework.scheduling.quartz.SimpleTriggerBean"> <property name="jobDetail" ref="organisationMergeJobDetail" /> <property name="repeatInterval"> <util:constant static-field="au.com.michaelpage.ctsgui.common.Constants.CHECK_FREQUENCY" /> </property> </bean> Here is the bean definition for 'organisationMergeJob' <bean id="organisationMergeJob" class="au.com.michaelpage.ctsgui.utils.OrganisationMergeProfileThread"> <property name="organisationMergeMgr" ref="organisationMergeMgr"/> </bean> <bean id="organisationMergeMgr" class="au.com.michaelpage.ctsgui.mgr.OrganisationMergeMgrImpl"> <property name="organisationMergeDao" ref="organisationMergeDao"/> </bean> Any help to solve this? Thank you in advance. Hi skaffman, Here is the stack trace of the error: Could not open Hibernate Session for transaction; nested exception is java.lang.IllegalStateException: Already value [org.springframework.jdbc.datasource.ConnectionHolder@5f2fb8] for key [weblogic.jdbc.common.internal.RmiDataSource@326b7b] bound to thread [DefaultQuartzScheduler_Worker-3] Caused by: java.lang.IllegalStateException: Already value [org.springframework.jdbc.datasource.ConnectionHolder@5f2fb8] for key [weblogic.jdbc.common.internal.RmiDataSource@326b7b] bound to thread [DefaultQuartzScheduler_Worker-3] at org.springframework.transaction.support.TransactionSynchronizationManager.bindResource(TransactionSynchronizationManager.java:163) at org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:526) at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:350) at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:262) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:101) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) at $Proxy73.updateEventRole(Unknown Source) 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) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:304) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) at $Proxy73.updateEventRole(Unknown Source) at au.com.michaelpage.ctsgui.utils.OrganisationMergeProfileThread.execute(OrganisationMergeProfileThread.java:100) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.util.MethodInvoker.invoke(MethodInvoker.java:283) at org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean$MethodInvokingJob.executeInternal(MethodInvokingJobDetailFactoryBean.java:272) at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:86) at org.quartz.core.JobRunShell.run(JobRunShell.java:203) at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:520) Thank you. Here is the bean definition for 'organisationMergeMgr' <bean id="organisationMergeMgr" class="au.com.michaelpage.ctsgui.mgr.OrganisationMergeMgrImpl"> <property name="organisationMergeDao" ref="organisationMergeDao"/> </bean>

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• How to execute Vim commands in a file, like .vimrc?

  - by Martín Fixman

  I need to create a file with a list of commands (in particular key mappings) that I may sometimes need, like a .vimrc that I can execute inside Vim when I need them.

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• WCF with 3.5 and 4.0 together

  - by Pharabus

  Has anyone managed to run wcf successfully in 2.0 integrated mode on IIS7 when .net 4 has been installed? I found that installing .net 4 removed the 2.0 handlers for svc and replaced them with .net 4 versions (this led to a 404.17 error in my v3.5 site), I managed to get my 3.5 site working again by running ServiceModelReg.exe /i from the v3.0 folder (Windows Commuication Foundation) but that removed the 4.0 mappings so they seem to be mutually exclusive? any advise on how to run a 4.0 and 3.5 WCF site on the same IIS7 server?

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• TF255440 error on configuring TFS 2010 upgrade from RC to RTM

  - by PaulB

  I'm running the tfs upgrade wizard (from RC to RTM). On reaching the Readiness Checks I'm getting an error on the 'Configuration Database' : [ Configuration Database ] TF255440: The following account has a SQL Server login, but the login was denied access: DOMAIN\User. The server selected to host the databases for Team Foundation Server is: MYSERVER. The SQL Server login associated with the user account must be granted access to the SQL Server instance on that server. I've tried changing user mappings and roles but so far no joy.

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• weblogic scripting

  - by lepricon123

  How can I write a script to change the minimum password length to 4 characters using WLST Home Credential Mappings Users and Groups weblogic Users and Groups Summary of Security Realms myrealm Providers DefaultAuthenticatorProviderSpecific How can I find the appropriate mbeans information to modify this using weblogic scripting WLST? Thanks

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• More efficient programming than Web.py?

  - by Luke Stanley

  I love webpy, it's really quite Pythonic but I don't like having to add the url mappings and create a class, typically with just 1 function inside it. I'm interested in minimising code typing and prototyping fast. Does anyone have any up and coming suggestions such as Bobo, Bottle, Denied, cherrypy for a lover of webpy's good things? What makes it a good reason? Also I don't mind missing out (strongly) text based templating systems, I use object oriented HTML generation.

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• Many-to-Many Relationship mapping does not trigger the EventListener OnPostInsert or OnPostDelete Ev

  - by san

  I'm doing my auditing using the Events listeners that nHibernate provides. It works fine for all mappings apart from HasmanyToMany mapping. My Mappings are as such: Table("Order"); Id(x => x.Id, "OrderId"); Map(x => x.Name, "OrderName").Length(150).Not.Nullable(); Map(x => x.Description, "OrderDescription").Length(800).Not.Nullable(); Map(x => x.CreatedOn).Not.Nullable(); Map(x => x.CreatedBy).Length(70).Not.Nullable(); Map(x => x.UpdatedOn).Not.Nullable(); Map(x => x.UpdatedBy).Length(70).Not.Nullable(); HasManyToMany(x => x.Products) .Table("OrderProduct") .ParentKeyColumn("OrderId") .ChildKeyColumn("ProductId") .Cascade.None() .Inverse() .AsSet(); Table("Product"); Id(x => x.Id, "ProductId"); Map(x => x.ProductName).Length(150).Not.Nullable(); Map(x => x.ProductnDescription).Length(800).Not.Nullable(); Map(x => x.Amount).Not.Nullable(); Map(x => x.CreatedOn).Not.Nullable(); ; Map(x => x.CreatedBy).Length(70).Not.Nullable(); Map(x => x.UpdatedOn).Not.Nullable(); Map(x => x.UpdatedBy).Length(70).Not.Nullable(); HasManyToMany(x => x.Orders) .Table("OrderProduct") .ParentKeyColumn("ProductId") .ChildKeyColumn("OrderId") .Cascade.None() .AsSet(); Whenever I do an update of an order (Eg: Changed the Orderdescription and deleted one of the products associated with it) It works fine as in it updated the order table and deletes the row in the orderproduct table. the event listener that I have associated with it captures the update of the order table but does NOT capture the associated delete event when the orderproduct is deleted. This behaviour is observed only in case of a ManyTomany mapped relationships. Since I would also like audit the packageproduct deletion, its kind of an annoyance when the event listener aren't able to capture the delete event. Any information about it would be greatly appreciated.

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• NHibernate and mysql timestamp

  - by HeavyWave

  I am trying to do versioning with NHibernate and everything works fine, however right after the insert NHibernate tries to pull the generated timestamp by executing the following query: SELECT profileloc_.Updated as Updated14_ FROM profile_locale profileloc_ WHERE profileloc_.id=?p0 and profileloc_.culture=?p1;?p0 = 16, ?p1 = 1033 Which is totally wrong, as it will pull out all versions starting with the first one. How do I make it add ORDER BY Updated DESC to this query? I am using Fluent NHibernate for mappings.

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• Class Map Generator for Fluent NHibernate

  - by Farzad

  Is there a Class Map generator for Fluent NHibernate? I need something like db2hbm but I want it to generate Fluent Class Maps instead of xml mappings. I am aware of AutoMapping for Fluent but that is not what I want. I want to be able to generate Class Map files from tables in database and push them to my src repository.

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• FluentNHibernate - Setting default value for DB columns (SQL Server)

  - by Nikola Malovic

  Hi everyone, does anyone know a way how I could set through mapping the default value of a column so for e.g. when I generate DB from mappings I would have DateTime column having getdate() as default value? I tried so far this (looks exactlly like what I need) but it doesn't work this.Map(x => x.LastPersistedOn, "DateModified") .Access.Property() .Default("getdate()");

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• Avoiding .gsp extention in a GSP Page Without a Controller

  - by Guy

  Using grails 1.2.1 this should be very simple, but still I can't get it to work. In my application /grails-app/views I've added mypage.gsp Plus "/mypage"(view:"mypage") to the mappings block of my URLMapping class. while http://server-name:8080/myapp/mypage.gsp works I'm still getting 404 - page not found when I try to open http://server-name:8080/myapp/mypage Thanks, Guy

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• RESTEasy - access to web folder for geting image

  - by Trick

  I would like to allow users to access images saved in web folder. For example - I have an image in web root folder "blank.png". But the link http://localhost:8080/myapp/blank.png returns 404 (not found). Adding type to resteasy.media.type.mappings does not work. I am a bit of a newbie in RESTEasy...

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• Correct way to set the driverOptions for Doctrine DBAL configuration in symfony2

  - by yesIcan

  I have set driverOptions in the config file as mentioned in the doctrine DBAL documentation. But this gives and error 1/1 InvalidConfigurationException: Unrecognized options "driverOptions" under "doctrine.dbal.connections.pdoDevCon" My config file is dbal: default_connection: pdoDevCon connections: pdoDevCon: driver: %dev_database_driver% # < host: %dev_database_host% # | port: %dev_database_port% # | Defined in user: %dev_database_user% # | password: %dev_database_password% # < charset: UTF8 driverOptions: {3: 2} mapping_types: enum: string set: string orm: auto_generate_proxy_classes: %kernel.debug% pdoDevCon: connection: pdoDevCon mappings: AcmeDemoBundle: ~ AcmeHelloBundle: ~ I am using PDO::ATTR_ERRMODE as 3 PDO::ERRMODE_EXCEPTION as 2, it does not work even if i use the strings.

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• Make Fluent NHibernate output schema update to file

  - by Bender

  I am successfully getting Fluent NHibernate to update my database by calling UpdateBaseFiles: Public Sub UpdateBaseFiles() Dim db As SQLiteConfiguration db = SQLiteConfiguration.Standard.UsingFile(BASE_DBNAME) Fluently.Configure() _ .Database(db) _ .Mappings(Function(m) m.FluentMappings.AddFromAssemblyOf(Of FluentMap)()) _ .ExposeConfiguration(AddressOf UpdateSchema) _ .BuildConfiguration() End Sub Private Sub UpdateSchema(ByVal Config As Configuration) Dim SchemaUpdater As New SchemaUpdate(Config) SchemaUpdater.Execute(True, True) End Sub How do I output the DDL to a file, I do this when initially creating the schema by using: Private Sub BuildSchema(ByVal Config As Configuration) Dim SchemaExporter As New SchemaExport(Config) SchemaExporter.SetOutputFile("schema.sql") SchemaExporter.Create(False, True) End Sub but SchemaUpdate does not have a SetOutputFile method.

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• How to disable automatic loading in NHibernate?

  - by Drevak

  This question might be a duplicate of this one: http://stackoverflow.com/questions/217761/nhibernate-disable-automatic-lazy-loading-of-child-records-for-one-to-many-rela I'd like to know if there is any way to tell nhibernate to do not load a child collections (best if it's with fluent Nhibernate) unless i do it manually with a query (keeping all the mappings!). The problem is that even turning off lazy loading the collections get eager-loaded automatically. I'd like that no collections are loaded unless I specify a fetchmode in my query.

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• How to order a HasMany collection by a child property with Fluent NHibernate mapping

  - by Geoff Hardy

  I am using Fluent NHibernate to map the following classes: public abstract class DomainObject { public virtual int Id { get; protected internal set; } } public class Attribute { public virtual string Name { get; set; } } public class AttributeRule { public virtual Attribute Attribute { get; set; } public virtual Station Station { get; set; } public virtual RuleTypeId RuleTypeId { get; set; } } public class Station : DomainObject { public virtual IList<AttributeRule> AttributeRules { get; set; } public Station() { AttributeRules = new List<AttributeRule>(); } } My Fluent NHibernate mappings look like this: public class AttributeMap : ClassMap<Attribute> { public AttributeMap() { Id(o => o.Id); Map(o => o.Name); } } public class AttributeRuleMap : ClassMap<AttributeRule> { public AttributeRuleMap() { Id(o => o.Id); Map(o => o.RuleTypeId); References(o => o.Attribute).Fetch.Join(); References(o => o.Station); } } public class StationMap : ClassMap<Station> { public StationMap() { Id(o => o.Id); HasMany(o => o.AttributeRules).Inverse(); } } I would like to order the AttributeRules list on Station by the Attribute.Name property, but doing the following does not work: HasMany(o => o.AttributeRules).Inverse().OrderBy("Attribute.Name"); I have not found a way to do this yet in the mappings. I could create a IQuery or ICriteria to do this for me, but ideally I would just like to have the AttributeRules list sorted when I ask for it. Any advice on how to do this mapping?

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• Other use for a Hibernate Mapping file

  - by eerik

  I am trying to define db dependency for a web based application, and was thinking that perhaps the hibernate mappings used in the application might be importable into some sort of tool to produce a visual ERD diagram. Has anyone tried something like this?

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• Using linq, database doesn't have FK relations to tables

  - by mrblah

  Hi, I have a database that has primary key fields in its tables, but the FK mappings are not in place. What are the ramifications of this when using linq-to-sql?

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• Mapping over sequence with a constant

  - by Hendekagon

  If I need to provide a constant value to a function which I am mapping to the items of a sequence, is there a better way than what I'm doing at present: (map my-function my-sequence (cycle [my-constant-value])) where my-constant-value is a constant in the sense that it's going to be the same for the mappings over my-sequence, although it may be itself a result of some function further out. I get the feeling that later I'll look at what I'm asking here and think it's a silly question because if I structured my code differently it wouldn't be a problem, but well there it is!

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• Fluent NHibernate: How to map an entire class as ReadOnly?

  - by Rafael E. Belliard

  I have a few classes that read from very delicate tables, which is why I want them to be used by NHibernate as "ReadOnly". Establishing .ReadOnly() on each field map is really sloppy, and I'm not sure I trust it. How do I setup a class to be entirely readonly, as I can easily do with traditional XML mappings? Thanks.

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• Detect if a key does is bound to something in vim

  - by WishCow

  I'd like to know if there is a way to figure out if a key does something in vim. I know that I can use :map to see user-defined mappings, but is there something for the built-in stuff? For example, I always had CTRL-W bound to close tab, because I thought that it was unused. After half a year, I found out that there are some sequences that use it, like CTRL-W CTRL-S to split the window, and it was a nightmare to retrain myself.

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• What are the 'big' advantages to have Poco with ORM?

  - by bonefisher

  One advantage that comes to my mind is, if you use Poco classes for Orm mapping, you can easily switch from one ORM to another, if both support Poco. Having an ORM with no Poco support, e.g. mappings are done with attributes like the DataObjects.Net Orm, is not an issue for me, as also with Poco-supported Orms and theirs generated proxy entities, you have to be aware that entities are actually DAO objects bound to some context/session, e.g. serializing is a problem, etc..

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