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  • Criteria: search for two different entity classes...

    - by RoCMe
    Hi! I have a "super entity" SuperEntity and three entities ChildEntity1, ..., ChildEntity3 which extends the super class. It's easy to search for all entities in the database, i.e. we could use session.createCriteria(SuperEntity.class); It's no problem to search for one specific entity type, too, just replace the SuperEntity with any of the children to look for entities of that type. But I have a problem when allowing 'multiple choice' for the types. I.e., it could be neccessary to search all entities of type 1 and 2, but not of type 3. A first idea was to create two independent queries and join the results in a final list - but that would destroy the paging which uses offset and limit functionality of the database... Is there a possibility in Criteria to join two different queries in one single result list? Kind regards, RoCMe

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  • How to paste in a new line with vim?

    - by static_rtti
    I often have to paste some stuff on a new line in vim. What I usually do is: o<Esc>p Which inserts a new line and puts me in insertion mode, than quits insertion mode, and finally pastes. Three keystrokes. Not very efficient. Any better ideas?

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  • how a thread can signal when it's finished?

    - by Kyle
    #include <iostream> #include <boost/thread.hpp> using std::endl; using std::cout; using namespace boost; mutex running_mutex; struct dostuff { volatile bool running; dostuff() : running(true) {} void operator()(int x) { cout << "dostuff beginning " << x << endl; this_thread::sleep(posix_time::seconds(2)); cout << "dostuff is done doing stuff" << endl; mutex::scoped_lock running_lock(running_mutex); running = false; } }; bool is_running(dostuff& doer) { mutex::scoped_lock running_lock(running_mutex); return doer.running; } int main() { cout << "Begin.." << endl; dostuff doer; thread t(doer, 4); if (is_running(doer)) cout << "Cool, it's running.\n"; this_thread::sleep(posix_time::seconds(3)); if (!is_running(doer)) cout << "Cool, it's done now.\n"; else cout << "still running? why\n"; // This happens! :( return 0; } Why is the output of the above program: Begin.. Cool, it's running. dostuff beginning 4 dostuff is done doing stuff still running? why How can dostuff correctly flag when it is done? I do not want to sit around waiting for it, I just want to be notified when it's done.

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  • Problem with generics

    - by jess
    I have this code in base class protected virtual bool HasAnyStuff<TObject>(TObject obj) where TObject:class { return false; } In child class I am overriding protected override bool HasAnyStuff<Customer>(Customer obj) { //some stuff if Customer.sth etc return false; } I am getting this error '''Type parameter declaration must be an identifier not a type''' What is it I am doing wrong here?

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  • Android ratings and listviews

    - by puppetmaster04
    I'd like to add a list of reviews of books to my Android app. Basically what I'm after is a fixed rating using the RatingBar and a ListView containing the snippet of the review for each review. Once clicked I want the list item to expand and fill with the text of the full review. I have the content of the snippet, full text, and rating, but don't know how best to go about the layout. Any ideas are ok, I don't need full code, but I would much prefer to keep it to XML layout.

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  • PHP: Prevent a function from returning value?

    - by Industrial
    Hi everybody, How could I make sure that the startProcess(); function is being called, but without halting the execution for myFunction(). I'll guess that there's a way to call a function and prevent it from returning it's value to thereby accomplishing this? Pseudo-code: function myFunction() { startProcess(); return $something; } function startProcess() { sleep(5); // Do stuff that user doesn't should have to wait for. }

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  • trying to hide options from selectlist .. not working on chrome and ie

    - by ninja
    Hi, I have a select lists, which has lots of option. Depending on some input I want to hide few options from select list. To hide options from select list I have written jquery like $('#selectlist1 option').each(function(){ $(this).hide(); }) But this code seems to work only for firefox and its not working on chrome and ie. Whereas if I write $('#selectlist1').hide(); it works for all browser. Any pointer where should I look at?

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  • why my home page not showing in google ?

    - by user298788
    hello members i have 1 site : http://www.magentocommerceexperts.com/ it is not showing cache in google toolabr also i am not getiing result properly also other pages has been cached and it showing and the site genrated in wordpress so will u show me whats a problem. all seo stuff done completd and i am facing problem since 2 months

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  • In Rails, how do I find records by "not equal"

    - by Mazonowicz
    I'm building an application that contains a bunch of projects that are at various stages, and I need to list the completed projects, or the projects that are at various other stages. So to list the completed projects, I name a scope; named_scope :current, :conditions => { :current_stage => "Completed" } and use; @projects = Project.current in my controller. But I how do I find all the projects at other stages? I thought it would involve != but I can't get that to work. Any pointers very much appreciated. Thanks a lot

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  • ViewContext.Writer() doesn't exist in ASP.NET MVC 1.0?

    - by DaveDev
    I have the following code in an ASP.NET MVC 2 application. internal TextWriter _writer; // some stuff _writer = _viewContext.Writer; _writer.Write(_tag.ToString(TagRenderMode.EndTag)); I tried to move it to MVC 1 and now it doesn't build any more. I'm getting this error: 'System.Web.Mvc.ViewContext' does not contain a definition for 'Writer' Can someone point out how I can resolve this?

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  • if `int != 1` or `int == 0`?

    - by Emil
    Hey. I was coding here the other day, writing a couple of if statements with ints that are always either zero or one (~bools), and I asked myself: Should I use if (int == 1) or if (int != 0) ? Is there any difference at all? Please, don't answer with stuff regarding the int may being more/less than 1/0, that's not what I want to know.

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  • Merging XMLTextReaders in C#

    - by smithchelluk
    I have a website that needs to pull information from two diffferent XML data sources. Originally I only need to get the data from one source so I was building a URL in the backend that went and retrieved the data from the XML site and then parsed and rendered it in the front end of the website. Now I have to use a 2nd data source and merge the result sets (which are identically structured XML) into one result set. Here is the code I am currently using to get one XML feed. sUrl = sbUrl.ToString(); //The URL for the XML feed XmlDocument xDoc = new XmlDocument(); StringBuilder oBuilder = new StringBuilder(); //The parsed HTML output XmlTextReader oXmlReader = new XmlTextReader(sUrl); oXmlReader.Read(); xDoc.Load(oXmlReader); XmlNodeList List = xDoc.GetElementsByTagName("result"); foreach (XmlNode node in List) { XmlElement key = (XmlElement)node; //BUILD THE OUTPUT HERE } Thanks in advance for your help.

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  • How should onClick Listener by defined and instantiated for an Activity

    - by Code Droid
    My Activity has multiple lists so I have defined MyClickListener as below: My question is how I should instantiate this class: MyClickListener mMyClickListener = new MyClickListener(); Or maybe it is better to instantiate inside the onCreate(Bundle) and just define above. Whats considered the better way? I don't want too much in onCreate() its already full of stuff. Any thoughts on the declaration and instatiation? Whats the best way? private class MyClickListener implements OnClickListener { @Override public void onClick(View view) { } }

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  • IEnumerable<SelectListItem> error question

    - by user281180
    I have the following code, but i`m having error of Error 6 foreach statement cannot operate on variables of type 'int' because 'int' does not contain a public definition for 'GetEnumerator' C:\Dev\DEV\Code\MvcUI\Models\MappingModel.cs 100 13 MvcUI How can I solve this? Note: string [] projectID; Class Employee { int id {get; set;} string Name {get;set;} } public IEnumerable<SelectListItem> GetStudents() { List<SelectListItem> result = new List<SelectListItem>(); foreach (var id in Convert.ToInt32(projectID)) { foreach( Employee emp in Project.Load(id)) result.Add(new SelectListItem { Selected = false, Text = emp.ID.ToString(), Value = emp.Name }); return result.AsEnumerable(); } }

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