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  • Use SQL query to populate property in nHibernate mapping file

    - by brainimus
    I have an object which contains a property that is the result of an SQL statement. How do I add the SQL statement to my nHibernate mapping file? Example Object: public class Library{ public int BookCount { get; set; } } Example Mapping File: <hibernate-mapping> <class name="Library" table="Libraries"> <property name="BookCount" type="int"> <- This is where I want the SQL query to populate the value. -> </class> </hibernate-mapping> Example SQL Query: SELECT COUNT(*) FROM BOOKS WHERE BOOKS.LIBRARY_ID = LIBRARIES.ID

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  • Getting error in integrating Contacts APIs in Android 1.6 and 2.0

    - by dhaiwat
    Hi All, I have seen the BusinessCard example provide in Android examples. I am using ContactAccessor abstract class to seperate out the SDK versions. My code is running fine for 2.0 onwards, but when I am trying to build the code in Adnroid 1.6 I am getting the following errors: Build.VERSION_CODES.ECLAIR is not resolved. Getting errors in the whole class in which I have used Contacts APIs from 2.0 (say in class ContactAccessorSdk5.java). How to resolve these issues? I want to run my App on both the versions. Please help me. Regards, Dhaiwat Bhavsar.

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  • Confused by this PHP Exception try..catch nesting

    - by Domenic
    Hello. I'm confused by the following code: class MyException extends Exception {} class AnotherException extends MyException {} class Foo { public function something() { print "throwing AnotherException\n"; throw new AnotherException(); } public function somethingElse() { print "throwing MyException\n"; throw new MyException(); } } $a = new Foo(); try { try { $a->something(); } catch(AnotherException $e) { print "caught AnotherException\n"; $a->somethingElse(); } catch(MyException $e) { print "caught MyException\n"; } } catch(Exception $e) { print "caught Exception\n"; } I would expect this to output: throwing AnotherException caught AnotherException throwing MyException caught MyException But instead it outputs: throwing AnotherException caught AnotherException throwing MyException caught Exception Could anyone explain why it "skips over" catch(MyException $e) ? Thanks.

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  • c# Generic overloaded method dispatching ambiguous

    - by sebgod
    Hello, I just hit a situation where a method dispatch was ambiguous and wondered if anyone could explain on what basis the compiler (.NET 4.0.30319) chooses what overload to call interface IfaceA { } interface IfaceB<T> { void Add(IfaceA a); T Add(T t); } class ConcreteA : IfaceA { } class abstract BaseClassB<T> : IfaceB<T> { public virtual T Add(T t) { ... } public virtual void Add(IfaceA a) { ... } } class ConcreteB : BaseClassB<IfaceA> { // does not override one of the relevant methods } void code() { var concreteB = new ConcreteB(); // it will call void Add(IfaceA a) concreteB.Add(new ConcreteA()); } In any case, why does the compiler not warn me or even why does it compile? Thank you very much for any answers.

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  • Access &lt;body element from content page via a nested master page

    - by danwellman
    All I want to do is access the <body element from the code-behind of a content page and add a class name to it. I have a top-level master page with the <body element in it. Then I have a nested master page which is the master page for the content page. From the code behind of the content page I want to add a class name to the body element. That's all. I have this in the top-level master: <body id="bodyNode" runat="server"> I added this to the code-behind for the content page: Master.bodyNode.Attributes.add("class", "home-page"); And I get a message that: System.Web.UI.MasterPage' does not contain a definition for 'bodyNode If I add this to the aspx content page: <% @ MasterType VirtualPath="~/MasterPage.master"%> The message then changes to: bodyNode is inaccessible due to its protection level Please advise, I've wasted like 2 hours on what feels like something that should be really simple to do :(

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  • Install windows service without InstallUtil.exe

    - by annelie
    Hi, I'm trying to deploy a windows service but not quite sure how to do it right. I built it as a console app to start with, I've now turned it into a windows service project and just call my class from the OnStart method in the service. I now need to install this on a server which doesn't have Visual Studio on it, which if I've understood it correctly means I can't use the InstallUtil.exe and have to create an installer class instead. Is this correct? I did have a look at a previous question, http://stackoverflow.com/questions/255056/install-a-net-windows-service-without-installutil-exe, but I just want to make sure I've understood it correctly. If I create the class that question's accepted answer links to, what is the next step? Upload MyService.exe and MyService.exe.config to the server, double click the exe file and Bob's my uncle? The service will only ever be installed on one server. Thanks, Annelie

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  • Passing markup into a Rails Partial

    - by 1ndivisible
    Is there any way of doing something equivilant to this: <%= render partial: 'shared/outer' do %> <%= render partial: 'shared/inner' %> <% end %> Resulting in <div class="outer"> <div class="inner"> </div> </div> Obviously there would need to be a way of marking up 'shared/outer.html.erb' to indicate where the passed in partial should be rendered: <div class="outer"> <% render Here %> </div>

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  • GridView in UpdatePanel adds extra rows when sorting another grid

    - by chopps
    Hey Everyone, I'm a seeing some weird behavior that i have never seen before. I have two grid in separate UpdatePanels. I can page and sort each without any problems. Each grid is set for 10 per page. If the first grid (13 records) is paged to the second page and then i go down to the second grid (14 records) and page to the next page and the first grid adds a bunch of empty rows to the grid so it is full to show 10. There is no data in the rows...just empty rows. Each grid does this on paging and sorting. Ive stepped through the code and the the loading of the other grids never happens so it tells my AJAX is doing something to add the 'phantom' rows to the grid. Any ideas why or ways to debug this?

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  • having trouble with a mysql query

    - by chuck akers
    this keeps saying Warning: mysql_num_rows() expects parameter 1 to be resource, boolean given in directory here the error is near the login_query variable, can someone help me fix it. <?php if (isset($_POST['login_username'], $_POST['login_password'])) { $login_username = trim(mysql_real_escape_string(htmlentities($_POST['login_username']))); $login_password = md5(trim(mysql_real_escape_string(htmlentities($_POST['login_password'])))); if (!empty($login_username) && !empty($login_password)) { $login_query = mysql_query("SELECT user_id FROM username WHERE username='".$login_username."' AND password='".$login_password."'"); if (mysql_num_rows($login_query)==1) { $user_id = mysql_result($login_query, 0, 'user_id'); $_SESSION['user_id'] = $user_id; header('Location: index.php'); die(); } }} ?

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  • Javascript Replace Child/Loop issue

    - by Charles John Thompson III
    I have this really bizarre issue where I have a forloop that is supposed to replace all divs with the class of "original" to text inputs with a class of "new". When I run the loop, it only replaces every-other div with an input, but if I run the loop to just replace the class of the div and not change the tag to input, it does every single div, and doesn't only do every-other. Here is my loop code, and a link to the live version: live version here function divChange() { var divs = document.getElementsByTagName("div"); for (var i=0; i<divs.length; i++) { if (divs[i].className == 'original') { var textInput = document.createElement('input'); textInput.className = 'new'; textInput.type = 'text'; textInput.value = divs[i].innerHTML; var parent = divs[i].parentNode; parent.replaceChild(textInput, divs[i]); } } }

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  • Can someone explain this java interface to me please?

    - by Karl Patrick
    I realize that the method run must be declared because its declared in the runnable interface. But my question comes when this class runs how is the Thread object allowed if there is no import call to a particular package? how does runnable know anything about Thread or its methods? does the runnable interface extend the thread class? Obviously i dont understand interfaces very well. thanks in advance. class PrimeFinder implements Runnable{ public long target; public long prime; public boolean finished = false; public Thread runner; PrimeFinder(long inTarget){ target = inTarget; if(runner == null){ runner = new Thread(this); runner.start() } } public void run(){ } }

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  • Confused about "override" vs. "new" in C#

    - by iTayb
    I'm having the following classes: class Base { public virtual void Print() { Console.WriteLine("Base"); } } class Der1 : Base { public new virtual void Print() { Console.WriteLine("Der1"); } } class Der2 : Der1 { public override void Print() { Console.WriteLine("Der2"); } } This is my main method: Base b = new Der2(); Der1 d1 = new Der2(); Der2 d2 = new Der2(); b.Print(); d1.Print(); d2.Print(); The output is Base, Der2, Der2. As far as I know, Override won't let previous method to run, even if the pointer is pointing to them. So the first line should output Der2 as well. However Base came out. How is it possible? How the override didn't work there?

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  • why i am getting popup message when I am tryiing to update user.

    - by kumar
    I am getting Popup mesage something like You have chosen to open Update which is a:application/json From : http://localhost:1234 which ok cancel buttons.. I am using this code to run.. [HttpPost] public JsonResult MEdit(ExpenseBE e) { var cache = CacheFactory.GetCacheManager(); string F_ACTION = "U"; string F_DEBUG = "Y"; var excUpdateStatus = false; for (int i = 0; i <= cache.Count; i++) { var x = (ExpenseBE)cache.GetData("a" + i); if (x != null) { string Resolutioncode = e.Exception.ResolutionCode; string reasoncode = e.Exception.ReasonCode; string actioncode = e.Exception.ActionCode; e.Exception.ExceptionID = x.Exception.ExceptionID; e.Exception.ReasonCode = reasoncode; e.Exception.ReasonCode = Resolutioncode; e.Exception.ActionCode = actioncode; e.Exception.Sequence = x.Exception.Sequence; e.Exception.FollowupDate = x.Exception.FollowupDate; e.Exception.IOL = x.Exception.IOL; e.Exception.LastUpdateUser = User.Identity.Name.ToUpper().Remove(0, 4); excUpdateStatus = common.UpdateException(e.Exception, F_ACTION, F_DEBUG); } } return Json(excUpdateStatus.ToString()); } and my view is <%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<NorthernTrust.ATP.iTool.Core.Business.Entities.Specialist.ExpenseBE>" %> <% using (Html.BeginForm("MEdit", "expense", FormMethod.Post)) { %> <%= Html.ValidationSummary(true)%> <fieldset class="clearfix" id="fieldset-exception"> <legend>Mass Edit Exception Information</legend> <div class="fiveper"> <label for="ExceptionStatus"> Status: <span> </span> </label> <label for="ResolutionCode"> Resolution: <span> <%=Html.DropDownListFor(model=>model.Exception.ResolutionCode,new SelectList(Model.LookupCodes["C_EXCPT_RESL"], "Key", "Value"))%> </span> </label> <label for="ReasonCode"> Reason: <span><%=Html.DropDownListFor(model => model.Exception.ReasonCode, new SelectList(Model.LookupCodes["C_EXCPT_RSN"], "Key", "Value"))%></span> </label> <label for="ExceptionStatus"> Action Taken: <span><%=Html.DropDownListFor(model => model.Exception.ActionCode, new SelectList(Model.LookupCodes["C_EXCPT_ACT"], "Key", "Value"))%></span> </label> </div> <div class="fiveper"> <label for="FollowupDate"> Follow-up: <span><input type="text" id="exc-flwup-" /></span> <%--<%=Html.EditorFor(model=>model.Exception.FollowupDate) %>--%> </label> <label for="IOL"> Inquiry #: <%=Html.TextBox("Inquiery", ViewData["inq"] ?? "")%> </label> <label>Comment</label> <span> <%=Html.TextArea("value") %> <%=Html.ValidationMessage("value")%> </span> </div> <br /> <br /> <div> <button id="btnSelect" class="button">Select All</button> <button id="btnCancel" class="button">Cancel</button> <input type="submit" class="button" value="Save" /> </div> </fieldset> <% } %> <script type="text/javascript"> $(document).ready(function() { $('#btnSelectAll').click(function() { function validate_excpt(formData, jqForm, options) { var form = jqForm[0]; } $('#btnSelect').click(function() { $('#input [type=checkbox]').attr('checked', 'checked'); }); // post-submit callback function showResponse(responseText, statusText, xhr, $form) { if ('success' == statusText) { $('#error-msg span:last').html('<strong>Update successful.</strong>'); } else { $('#error-msg span:last').html('<strong>Update failed.</strong> ' + responseText); } $('#error-msg').removeClass('hide'); } $('#exc').ajaxForm({ target: '#error-msg', beforeSubmit: validate_excpt, success: showResponse, dataType: 'json' }); $('.button').button(); }); $('.button').button(); $("input[id^='exc-flwup-']").datepicker({ duration: '', showTime: true, constrainInput: true, stepMinutes: 30, stepHours: 1, altTimeField: '', time24h: true, minDate: 0 }); $('#ui-timepicker-div').bgiframe(); }); </script> please correct me if i am doing somwhere wrong? thanks

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  • how to model a many to many relationship

    - by Maulin
    Here is the scenario, Articles have many Comments Users can write many Comments for many Articles The comments table contains both user_id article_id as foreign keys My models are set up like so class User < ActiveRecord::Base has_many :comments has_many :articles, :through => :comments class Article < ActiveRecord::Base has_many :comments has_many :users, :through => :comments class Comment < ActiveRecord::Base belongs_to :users belongs_to :articles My routes.rb has the following code map.resources :articles, :has_many => :comments map.resources :users, :has_many => :comments which produces the following routes new_article_comment edit_article_comment new_user_comment edit_user_comment etc... This is not what I want (atleast not what I think I want), since comments must always be related to users and article, how can I get a route like so new_user_article_comment edit_user_article_comment Then I could just do new_user_article_comment_path([@user, @article]) to create a new comment

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  • Inheritance and Implicit Type Casting

    - by Josué Molina
    Suppose I have the following three classes: class Animal {}; class Human : public Animal {}; class Dog : public Animal { public: void setOwner(Animal* owner) { this->owner = owner; } private: Animal* owner; }; Why is the following allowed, and what exactly is happening? Dog d; Human h; d.setOwner(&h); // ? At first, I tried to cast it like this d.setOwner(&(Animal)h), but the compiler gave me a warning, and I hit a run-time error. Edit: the warning the compiler gave me was "taking address of temporary". Why is this so?

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  • className method?

    - by fuzzygoat
    I have just been watching the Stanford iPhone lecture online from Jan 2010 and I noticed that the guy from Apple keeps referring to getting an objects class name using "className" e.g. NSArray *myArray = [NSArray arrayWithObjects:@"ONE", @"TWO", nil]; NSLog(@"I am an %@ and have %d items", [myArray className], [myArray count]); However, I can't get this to work, the closest I can come up with it to use class, is className wrong, did it get removed, just curious? NSArray *myArray = [NSArray arrayWithObjects:@"ONE", @"TWO", nil]; NSLog(@"I am an %@ and have %d items", [myArray class], [myArray count]); Gary

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  • How do I obtain the version information for my Windows Service programmatically

    - by user302004
    I need to obtain the version of my Windows service programmatically and store it in a string. Then, I'll append the version to my display name and service name in the ProjectInstaller class. Right now I'm getting an empty string and I'm having trouble debugging my setup project. Here's my current code: string version = null; try { Assembly exeAssembly = Assembly.GetEntryAssembly(); Type attrType = typeof(AssemblyFileVersionAttribute); object[] attributes = exeAssembly.GetCustomAttributes(attrType, false); if (attributes.Length 0) { AssemblyFileVersionAttribute verAttr = (AssemblyFileVersionAttribute)attributes[0]; if (verAttr != null) { version = verAttr.Version; } } } catch { } if (version == null) { version = string.empty; }

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  • How to add site search function to website using XHTML/HTML?

    - by felixd68
    I really want to learn how to make my own search engine for my site. I have the defined buttons and labels, but it doesn't search. I can't figure out the HTML or XHTML code for actually searching the site. This is the code I have so far: <p class="search"> <label>SEARCH</label> <input name="search" type="text" class="txt" /> <input name="search-btn" type="submit" class="btn" value="SEARCH" /> </p> Thanks!

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  • How to call same method for a list of objects?

    - by Dmitry
    Suppose code like this: class Base: def start(self): pass def stop(self) pass class A(Base): def start(self): ... do something for A def stop(self) .... do something for A class B(Base): def start(self): def stop(self): a1 = A(); a2 = A() b1 = B(); b2 = B() all = [a1, b1, b2, a2,.....] Now I want to call methods start and stop (maybe also others) for each object in the list all. Is there any elegant way for doing this except of writing a bunch of functions like def start_all(all): for item in all: item.start() def stop_all(all): .....

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  • Java CRTP: Works for container but not for methods?

    - by Daniel
    I have a baseclass with a protected static ArrayList. I want to have a seperate ArrayList for each kind of subclass that extends this baseclass. This is when I applied CRTP: public class BaseExample<T> { protected static ArrayList<Integer> data = new ArrayList<Integer>(); } This works just fine. However, when I try to implement the following static method in the same base class, it doesn't adhere to CRTP: public static void clear() { data.clear(); } For example: class SubExample extends BaseExample<SubExample> { // insertion methods accessing 'data' field // these work fine :) } SubExample.clear(); // does not seem to clear data container Do I need to somehow explicitly specify T in my baseclass clear method? Note: These are all pure static classes.

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  • C++ memory management of reference types

    - by Russel
    Hello, I'm still a fairly novice programmer and I have a question about c++ memory management with refence types. First of all, my understanding of reference types: A pointer is put on the stack and the actual data that the pointer points to is created and placed on the heap. Standard arrays and user defined classes are refence types. Is this correct? Second, my main question is do c and c++'s memory management mechanisms (malloc, free and new, delete) always handle this properly and free the memory that a class or array is pointing to? Does everything still work if those pointers get reassigned somehow to other objects of the same size/type on the heap? What if a class has a pointer member that points to another object? I am assuming that delete/freeing the class object doesn't free what it's member pointer points to, is that correct? Thanks all! -R

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  • addDoubleClickHandler to a FixedWidthGrid !!

    - by MArio
    Hello so I got a FixedWidthGrid table which is made from a pagingtable FixedWidthGrid dataTable = x.getDataTable(); I could add alot of handlers to the dataTables rows like selected or sort policies. but I cant add a double click handler ... anyway idea's ?! thank you I do have a class which I made to try to add a double click hander but it didn't work. class: public class DoubleClickTable extends FixedWidthGrid implements HasDoubleClickHandlers { public DoubleClickTable() { super(); } public HandlerRegistration addDoubleClickHandler(DoubleClickHandler handler) { return addDomHandler(handler, DoubleClickEvent.getType()); } } Thank you so much for your help.

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  • Flickering when repainting a JPanel inside a JScrollPAne

    - by pR0Ps
    I'm having a problem with repainting a JPanel inside a JScrollPane. Basically, I'm just trying to 'wrap' my existing EditPanel (it originally extended JPanel) into a JScrollPane. It seems that the JPanel updates too often (mass flickering). How would I stop this from happening? I tried using the setIgnoreRepaint() but it didn't seem to do anything. Will this current implementation work or would I need to create another inner class to fine-tune the JPanel I'm using to display graphics? Skeleton code: public class MyProgram extends JFrame{ public MyProgram(){ super(); add(new EditPanel()); pack(); } private class EditPanel extends JScrollPane{ private JPanel graphicsPanel; public EditPanel(){ graphicsPanel = new JPanel(); } public void paintComponent(Graphics g){ graphicsPanel.revalidate(); //update the scrollpane to current panel size repaint(); Graphics g2 = graphicsPanel.getGraphics(); g2.drawImage(imageToDraw, 0, 0, null); } } }

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  • Global Import Aliasing in .NET

    - by Josh Stodola
    Using import aliasing in a single class, we can reference class library namespaces by assigning our own custom alias like this: Imports Db = Company.Lib.Data.Objects And then we are able to reference the classes inside of Company.Lib.Data.Objects by using the Db alias that we assigned. Is it possible to do this at the global level so that the alias is applied to the entire solution instead of the given file? Currently, we are working with web applications, so I was hoping we could add something to web.config, but I am also interested in whether or not this is possible with windows forms, console apps, and/or class libraries.

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