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  • Is it possible for a Grails Domain to have no 'id'?

    - by firnnauriel
    Is it possible to create a table that has no 'id'? For example, this is my domain: class SnbrActVector { int nid String term double weight static mapping = { version false id generator: 'identity' } static constraints = { } } When I run this SQL statement, it fails: insert into snbr_act_vector values (5, 'term', 0.5) I checked the table and 'id' is already set to autoincrement. I'm thinking that another option is to remove the 'id' itself. Or is there another workaround for this? Please assume that it is not an option to change the givent SQL statement.

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  • What's the reason behind the jumping GeneratedValue(strategy=GenerationType.TABLE) when not specifyi

    - by joeduardo
    Why do I need to add allocationSize=1 when using the @TableGenerator to ensure that the id wouldn't jump from 1, 2,... to 32,xxx, 65,xxx,... after a jvm restart? Is there a design reason for the need to specify the allocationSize? This snippet would produce the jumping ids @Id @GeneratedValue(strategy = GenerationType.TABLE) private Long id; Here's the modified snippet that produces the properly sequenced ids @Id @GeneratedValue(strategy = GenerationType.TABLE, generator = "account_generator") @TableGenerator(name = "account_generator", initialValue = 1, allocationSize = 1) private Long id;

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  • Self-contained python installation with executable tools included (pip, orbited, etc)

    - by Tristan
    I'm trying deploy a Python application on Windows as a folder that includes a full python 2.6 folder. I don't need/want a fancy solution like py2exe, I'm just trying to automate deployment of a web application. So long as I include python26.dll and set the PYTHONHOME correctly, things seem to work if I just include the Python26 folder in its entirety. However a number of the Python26/Script files don't work. For instance, pip.exe, orbited.exe, and morbid.exe all do nothing (complete with no output) when I try to run them on a system that doesn't have a real Python26 installation. I've run out of ideas. Suggestions?

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  • How do I specify the foreign key on a many-to-one relationship when is not a property on the object

    - by jjujuma
    I'm trying to map a many-to-one relationship from MarketMenuBranch to Market. My classes look like: public class Market implements Serializable { private int id; private String name; private List<MarketMenuBranch> marketMenuBranches; // accessors / mutators etc... public class MarketMenuBranch implements Serializable { private MarketMenuBranchId id; private String name; // accessors / mutators etc... public class MarketMenuBranchId implements Serializable { private int marketId; private int sequence; // accessors / mutators etc... But I don't know what I can put for the property name (where I have ???? below). I really want to put id.marketId but that seems to be wrong. <class name="MarketMenuBranch" table="MARKET_MENU_BRANCH"> <composite-id name="id" class="MarketMenuBranchId"> <key-property name="marketId"/> <key-property name="sequence"/> </composite-id> <property name="name"/> <many-to-one name="????????"/> </class> How can I do this?

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  • OcaIDE doesn't see JoCaml tools

    - by Surikator
    I'm having a problem while using OcaIDE in ocamlbuild mode. I'm trying to compile my own JoCaml sources. According to the JoCaml manual (bottom of page), to use ocamlbuild with JoCaml, I just need to add the -use-jocaml argument to ocamlbuild. Indeed, if I go to the root of my project and write ocamlbuild -use-jocaml foo.native it generates my executable just fine. However, in OcaIDE I get /bin/sh: jocamldep: command not found In OcaIDE, the -use-jocaml flag is passed in the "Other Flags" box (in Project Properties). And that certainly is working, as the complaint is precisely that it doesn't find jocaml stuff. The puzzling thing is that jocaml is installed and can be accessed from any random terminal window. For example, running jocamldep -modules foo.ml > foo.ml.depends on my project does generate the desired dependency file. So, it would seem I would have to configure OcaIDE and tell it where JoCaml executables are or something. This is done for OCaml, for example. But there is no place to do that for JoCaml. And it's really strange that, if jocamldep/jocamlc/etc are all accessible from anywhere, OcaIDE wouldn't be able to pick them. Any ideas? (I am aware I can do an ocamlbuild plugin and pass the flag in a "myocamlbuild.ml" file. I'll probably use that a latter stage after I get familiar with ocamlbuild plugins. But here the question is about OcaIDE. EDIT: Actually, ocamlbuild plugins don't seem to be a solution as, although there is an option -use-jocaml in ocamlbuild to enforce jocaml use (and it works fine), the plugin system doesn't support it, i.e. jocaml is not in the list of options.)

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  • How can you remove a Criterion from a criteria?

    - by ChuckM
    Hello, For instance if I do something like: Criteria c = session.createCriteria(Book.class) .add(Expression.ge("release",reDate); .add(Expression.ge("price",price); .addOrder( Order.asc("date") ) .setFirstResult(0) .setMaxResults(10); c.list(); How can I use the same criteria instance, but remove (for example) the second criterion? I'm trying to build a dynamic query in which I'd like to let the user remove a filter, without the backend having to reconstruct the criteria from scratch. Thank you

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  • Binding Data to Word 2007 Content Controls Using Visual Studio Tools for the Office System (3.0)

    - by Simon Lomax
    Hi, I found this article (http://msdn.microsoft.com/en-us/library/bb967663.aspx) and thought great thats exactly what I'm trying to do. I want to programatically build a product brochure using content controls and openXML. The article in question refers to an accompanying video which unfortunately does not appear to be available, nor does the code. I posted a comment to ask where they are but in the meantime does anybody know of a good example. There are plenty of examples of binding/merging one record into a openXML Word document. But I want to bind a whole list of records to create a product brochure. Can anyone point me to good tutorial? Thanks

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  • Buzz Management Tools recommendations?

    - by ctabordamd
    Anyone out there use a "buzz management tool"? such as buzzstream? Which do you recommend? I am trying to find some alternatives to Buzzstream, I found one a few days ago but completely forgot the name. I remember the examples it had used Nike as reference for Buzz. Hope you guys can give me a hand! Thanks.

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  • grails: quering in a composite structure

    - by Asaf David
    hey i have the following domain model: class Location { String name static hasMany = [locations:Location, persons:Person] } class Person { String name } so basically each location can hold a bunch of people + "sub-locations". what is the best way to recursively query for all persons under a location (including it's sub locations, and their sub locations, etc')?

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  • problem in deleting record

    - by akshay
    I have a entity manager em1 .em1 starts a transcation tx on db1 table1.Now inside tx i call a API getdata().This API creastes a new entitymanger em2 and return 1 record.Now if entity manger em1 tries to delete the record returned by em1 , it hangs.Code times out.Is the record locked by em1.How can ii solve this problem? create em1 //em1 start transcation tx1 tx1.start Object r = getData(); em1 tried to delete r //code hangs here tx1.commit Object getData(){ create em2 return data found using em2 }

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  • bash tools for parsing arguments

    - by BCS
    I have a bash script that uses a few variables (call them $foo and $bar). Right now the script defines them at the top with hard coded values like this: foo=fooDefault bar=barDefault .... # use $foo and $bar What I want is to be able to use the script like any of these: myscript # use all defaults myscript -foo=altFoo # use default bar myscript -bar=altBar # use default foo myscript -bar=altBar -foo=altFoo An ideal solution would allow me to just list the variable that I want to check for flags for. Is there a reasonably nice way to do this? I've seen getopt and I think it might do about 70% of what I'm looking for but I'm wondering if there is a tool or indium that builds on it or the like that gets the rest.

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  • Sequence Number in testing Spring application with JUnit (Hibernating, Spring MVC)

    - by MBK
    I am testing DAO in Spring Application. @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(locations = "classpath:/applicationContext.xml") @TransactionConfiguration(transactionManager = "transactionManager", defaultRollback = true) @Transactional public class CommentDAOImplTest { @Autowired //testing mehods here} The tests are running good. Iam able to add an comment and I also have a defaultRollback property set. So, the added comment will be deleted automatically. happy!..Now the problem is with the sequence number for mcomment. Can I, in any way rollback the seq number? any suggestins on that. I dont want to mess up the sequrnce number. Business requires comment Id to be showed. (I still dont know why). I know in memory db is an option....but I am guessing defaultRollback purpose is to eliminate in memory db testing and mocking. (Just my opinion.)

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  • Web UI prototyping tools

    - by AlexKelos
    Can anyone recomend me a simple web UI prototyping tool, so I could quicky prototype the look of a my web site. I have tried to use MS Visio for this, but found it very "user un-friendly". What I really need is to be able quicky sketch the layout of the page, put some links, images and buttons on in, play a little bit with a colors (CSS), and it would be great it this tool could support navigation between the pages - but it is not essential. I would rather consider a low-cost or an open-source solution, since I am not a web designer and not going to use that tool on a daily basis.

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  • Why is it possible to save entity but not delete if transactional annotation is set to readonly=true

    - by jakob
    Hello experts! My class is annotated with org.springframework.transaction.annotation.Transactional like this: @Transactional(readOnly = true) public class MyClass { I then have a dao class: @Override public void delete(final E entity) { getSession().delete(entity); } @Override public void save(final E entity) { getSession().saveOrUpdate(entity); } Then I have two methods in MyClass @Transactional(readOnly = false) public void doDelete(Entity entity){ daoImpl.delete(entity) } //@Transactional(readOnly = false) public void doSave(){ daoImpl.save(entity) } Saving and deleting works like a charm. But if I remove the @Transactional(readOnly = false) on doDelete method deletion stops working, Saving works with and without the method annotation. So my question is: WHY?

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  • Grails automatic constraint update

    - by Prakash
    Does grails have an automatic constraint update. If we change the field in domain class to be nullable by adding constraint, it is not getting reflected in database without schema export. Is it possible to do get grails do this update automatically.

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  • Strange lazy load problem

    - by JooLio
    public class QuickQuoteTemplate { ... public virtual IList<QuickQuoteTemplateItem> InnerItems { get; set; } ... } public class QuickQuoteTemplateItem { ... public virtual IList<QuickQuoteTemplateItem> InnerItems { get; set; } ... } <class name="QuickQuoteTemplate" table="SA_QUICK_QUOTE_TEMPLATE"> ... <bag name="InnerItems" lazy="false" inverse="true" cascade="delete" > <key column="PARENT_QQ_TEMPLATE_ID" ></key> <one-to-many class="QuickQuoteTemplateItem" /> </bag> ... </class> <class name="QuickQuoteTemplateItem" table="SA_QUICK_QUOTE_TEMPLATE_ITEMS"> ... <bag name="InnerItems" lazy="false" inverse="false" cascade="delete"> <key column="PARENT_ITEM_ID" /> <one-to-many class="QuickQuoteTemplateItem" /> </bag> ... </class> InnerItems collections is set as no lazy, but after disposing the ISession instance, quickQuote.InnerItems is crying "failed to lazily initialize a collection, no session or session was closed". I've even tried to call InnerItems before the session is closed by myself. It successfully retrieves, but after disposing of the session it becomes not initialized.

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  • Automatically Persisting a Complex Java Object

    - by VeeArr
    For a project I am working on, I need to persist a number of POJOs to a database. The POJOs class definitions are sometimes highly nested, but they should flatten okay, as the nesting is tree-like and contains no cycles (and the base elements are eventually primitives/Strings). It is preferred that the solution used create one table per data type and that the tables will have one field per primitive member in the POJO. Subclassing and similar problems are not issues for this particular project. Does anybody know of any existing solutions that can: Automatically generate a CREATE TABLE definition from the class definition Automatically generate a query to persist an object to the database, given an instance of the object Automatically generate a query to retrieve an object from the database and return it as a POJO, given a key. Solutions that can do this with minimum modifications/annotions to the class files and minimum external configuration are preferred. Example: Java classes //Class to be persisted class TypeA { String guid; long timestamp; TypeB data1; TypeC data2; } class TypeB { int id; int someData; } class TypeC { int id; int otherData; } Could map to CREATE TABLE TypeA ( guid CHAR(255), timestamp BIGINT, data1_id INT, data1_someData INT, data2_id INt, data2_otherData INT ); Or something similar.

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  • NHibernate Native SQL multiple joins

    - by Chris
    Hi all, I"m having some problems with Nhibernate and native sql. I've got an entity with alot of collections and I am doing an SQL Fulltext search on it. So when returning 100 or so entities, I dont want all collections be lazy loaded. For this I changed my SQL query: SELECT Query.* FROM (SELECT {spr.*}, {adr.*}, {adrt.*}, {cty.*}, {com.*}, {comt.*}, spft.[Rank] AS [Rak], Row_number() OVER(ORDER BY spft.[Rank] DESC) AS rownum FROM customer spr INNER JOIN CONTAINSTABLE ( customerfulltext , computedfulltextindex , '" + parsedSearchTerm + @"' ) AS spft ON spr.customerid = spft.[Key] LEFT JOIN [Address] adr ON adr.customerid = spr.customerid INNER JOIN [AddressType] adrt ON adrt.addresstypeid = adr.addresstypeid INNER JOIN [City] cty ON cty.cityid = adr.cityid LEFT JOIN [Communication] com ON com.customerid = spr.customerid INNER JOIN [CommunicationType] comt ON comt.communicationtypeid = com.communicationtypeid) as Query ORDER BY Query.[Rank] DESC This is how I setup the query: var items = GetCurrentSession() .CreateSQLQuery(query) .AddEntity("spr", typeof(Customer)) .AddJoin("adr", "spr.addresses") .AddJoin("adrt", "adr.Type") .AddJoin("cty", "adr.City") .AddJoin("com", "spr.communicationItems") .AddJoin("comt", "com.Type") .List<Customer>(); What happens now is, that the query returns customers twice (or more), I assume this is because of the joins since for each customer address, communicationItem (e.g. phone, email), a new sql row is returned. In this case I thought I could use the DistinctRootEntityResultTransformer. var items = GetCurrentSession() .CreateSQLQuery(query) .AddEntity("spr", typeof(Customer)) .AddJoin("adr", "spr.addresses") .AddJoin("adrt", "adr.Type") .AddJoin("cty", "adr.City") .AddJoin("com", "spr.communicationItems") .AddJoin("comt", "com.Type") .SetResultTransformer(new DistinctRootEntityResultTransformer()) .List<Customer>(); Doing so an exception is thrown. This is because I try to list customers .List<Customer>() but the transformer returns only entities of the last join added. E.g. in the case above, the entity with alias "comt" is returned when doing .List() instead of .List(). If I would switch last join with the join alias "cty", then the transformer returns a list of cities only... Anyone knows how I can return a clean list of customers in this case?

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  • hibernate jpa criteriabuilder ignore case queries

    - by user373201
    How to do a like ignore case query using criteria builder. For description property I want to do something like upper(description) like '%xyz%' I have the following query CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder(); CriteriaQuery<Person> personCriteriaQuery = criteriaBuilder.createQuery(Person.class); Root<Person> personRoot = personCriteriaQuery.from(Person.class); personCriteriaQuery.select(personRoot); personCriteriaQuery.where(criteriaBuilder.like(personRoot.get(Person_.description), "%"+filter.getDescription().toUpperCase()+"%")); List<Person> pageResults = entityManager.createQuery(personCriteriaQuery).getResultList();

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  • Created query is not supported by my DB

    - by stacker
    I created an application using seam-gen. The created operation to search the DB ends with and exception (syntax error). The query has a where clause like this: lower(barcode0_.barcode_ean) like lower((?||'%')) limit ? Does hibnerate or seam create the where clause which my DB can't understand? Or is there a workaround for SQL statement related issues in seam?

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