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  • lscape and supertabular in Latex

    - by Tim
    Hi, I would like to put pictures into a supertabular table within lscape enviroment. The code is: \newcounter{themenumber} \newcounter{classnumber} \newcounter{imagenumber} \tablefirsthead{ \hline \backslashbox{Concept}{Class} &\multicolumn{3}{|c|}{Class 0} & \multicolumn{3}{|c|}{Class 1} \\ %\textbf{A} & \textbf{B}\\ \hline} \tablehead{ \hline \multicolumn{7}{|l|}{\small\sl continued from previous page}\\ \hline \backslashbox{Concept}{Class} &\multicolumn{3}{|c|}{Class 0} & \multicolumn{3}{|c|}{Class 1} \\ %\textbf{A} & \textbf{B}\\ \hline} \tabletail{ %\hline \multicolumn{7}{|l|}{\small\sl continued on next page}\\ \hline} \tablelasttail{} %\tablelasttail{\hline} \begin{landscape} \begin{supertabular}{| c || c | c | c || c | c | c |} \topcaption{Examples of All the Concepts. \label{tab:conceptsimgs}} \forloop{themenumber}{1}{\value{themenumber} < 24}{ \arabic{themenumber} \forloop{classnumber}{0}{\value{classnumber} < 2}{ \forloop{imagenumber}{1}{\value{imagenumber} < 4}{ & \includegraphics[scale=0.5]{../\arabic{themenumber}/\arabic{classnumber}_\arabic{imagenumber}.eps} } } \\ \hline } \end{supertabular} \end{landscape} However there is something wrong with the result: no caption is shown, the height of the part of table in each page exceeds the page height and there is something extra unwanted at the last page. See images below: page1 page2 page3 page4 How to fix the problems? Thanks and regards!

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  • boost bind callback function pointer as a parameter

    - by Takashi-kun
    I am trying to pass a function pointer using boost::bind. void Class::ThreadFunction(Type(*callbackFunc)(message_type::ptr&)) { } boost::shared_ptr<boost::thread> Class::Init(Type(*callbackFunc)(message_type::ptr&)) { return boost::shared_ptr<boost::thread> ( new boost::thread(boost::bind(&Class::ThreadFunction, callbackFunc)) ); } I get the following errors: 1>C:\dev\sapphire\boost_1_46_1\boost/bind/mem_fn.hpp(362) : warning C4180: qualifier applied to function type has no meaning; ignored 1>C:\dev\sapphire\boost_1_46_1\boost/bind/mem_fn.hpp(333) : error C2296: '->*' : illegal, left operand has type 'Type (__cdecl **)(message_type::ptr &)' However, I was able to change to the following, it works fine: void ThreadFunction(Type(*callbackFunc)(message_type::ptr&)) { } boost::shared_ptr<boost::thread> Class::Init(Type(*callbackFunc)(message_type::ptr&)) { return boost::shared_ptr<boost::thread> ( new boost::thread(boost::bind(&ThreadFunction, callbackFunc)) ); } Why do I get those errors if I declare the method in the Class class?

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  • Why should we call SuppressFinalize when we dont have a destructor

    - by somaraj
    I have few Question for which I am not able to get a proper answer . 1) Why should we call SuppressFinalize in the Dispose function when we dont have a destructor . 2) Dispose and finalize are used for freeing resources before the object is garbage collected. Whether it is managed or unmanaged resource we need to free it , then why we need a condition inside the dispose funtion , saying pass 'true' when we call this overriden function from IDisposable:Dispose and pass false when called from a finalize. See the below code i copied from net. class Test : IDisposable { private bool isDisposed = false; ~Test() { Dispose(false); } protected void Dispose(bool disposing) { if (disposing) { // Code to dispose the managed resources of the class } // Code to dispose the un-managed resources of the class isDisposed = true; } public void Dispose() { Dispose(true); GC.SuppressFinalize(this); } } what if I remove the boolean protected Dispose function and implement the as below. class Test : IDisposable { private bool isDisposed = false; ~Test() { Dispose(); } public void Dispose() { // Code to dispose the managed resources of the class // Code to dispose the un-managed resources of the class isDisposed = true; // Call this since we have a destructor . what if , if we dont have one GC.SuppressFinalize(this); } }

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  • Binding Data to DataGridView in VB.Net

    - by Peter
    Hi, I have a bit of code which loads data from a stored procedure in MS SQL Server and then loads the data to a datagridview, which works fine. What i want is for the code that connects / loads the data to sit in my Database Class and then everything associated with the datagridview to be stored in my Form but i am having problems passing the contents of the bindingsource over to the Form from the Database Class. Form1 Public Class Form1 Dim myDatabaseObj As New Class1() Dim bindingSource1 As New BindingSource() Dim connectString As New SqlConnection Dim objDataAdapter As New SqlDataAdapter Dim table As New DataTable() Dim tabletest As New DataTable() Private Sub loadCompanyList() Try Me.dgv_CompanyList.DataSource = Me.bindingSource1 getCompanyList() Catch ex As NullReferenceException End Try End Sub Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load loadCompanyList() End Sub End Class Database Class When i try place the getCompanyList() in a class and then create a new object that references the Form() it does not seem to return any value from the table to the MyForm.BindingSource1.Datasource meaning my datagridview displays not data. ..... Private Sub getCompanyList() Try Dim myForm as new Form() connect_Transaction_Database() objDataAdapter.SelectCommand = New SqlCommand() objDataAdapter.SelectCommand.Connection = connectString objDataAdapter.SelectCommand.CommandText = "sp_GetCompanyList" objDataAdapter.SelectCommand.CommandType = CommandType.StoredProcedure Dim commandBuilder As New SqlCommandBuilder(Me.objDataAdapter) Dim table As New DataTable() table.Locale = System.Globalization.CultureInfo.InvariantCulture Me.objDataAdapter.Fill(table) **MyForm.bindingSource1.DataSource = table** Catch ex As DataException MsgBox(ex.Message) Catch ex As NullReferenceException MsgBox(ex.Message) End Try disconnect_Transaction_Database() End Sub If anyone could help. Thank you. Peter

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  • VS 2008 Service Pack 1 problem

    - by Compiler
    Hi, My OPS is XP and service pack 3 installed.I cant install vs2008 service pack1,In log file i see 'Visual C++ 2008 SP1 Design-Time Components for x86 - KB947888' cant be installed. Error code is 1603.Last part of Installation file is here. Returning IDOK. INSTALLMESSAGE_ERROR [Error 1335. The cabinet file 'patch.cab' required for this installation is corrupt and cannot be used. This could indicate a network error, an error reading from the CD-ROM, or a problem with this package.] [1/12/2009, 10:14:50] (IronSpigot::MsiExternalUiHandler::UiHandler) Returning IDOK. INSTALLMESSAGE_ACTIONSTART [Action 10:14:50: Rollback. Rolling back action:] [1/12/2009, 10:17:29] (IronSpigot::MspInstallerT<class ATL::CStringT<unsigned short,class ATL::StrTraitATL<unsigned short,class ATL::ChTraitsCRT<unsigned short ::PerformMsiOperation) Patch (C:\DOCUME~1\Cem\LOCALS~1\Temp\Microsoft Visual Studio 2008 SP1\VS90sp1-KB945140-X86-ENU.msp; C:\DOCUME~1\Cem\LOCALS~1\Temp\Microsoft Visual Studio 2008 SP1\VC90sp1-KB947888-x86-enu.msp) install failed on product (Microsoft Visual Studio 2008 Professional Edition - ENU). Msi Log: Microsoft Visual Studio 2008 SP1_20090112_100005671-Microsoft Visual Studio 2008 Professional Edition - ENU-MSP0.txt [1/12/2009, 10:17:29] (IronSpigot::MspInstallerT<class ATL::CStringT<unsigned short,class ATL::StrTraitATL<unsigned short,class ATL::ChTraitsCRT<unsigned short ::PerformMsiOperation) MsiApplyMultiplePatches returned 0x643

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  • Prepopulating inlines based on the parent model in the Django Admin

    - by Alasdair
    I have two models, Event and Series, where each Event belongs to a Series. Most of the time, an Event's start_time is the same as its Series' default_time. Here's a stripped down version of the models. #models.py class Series(models.Model): name = models.CharField(max_length=50) default_time = models.TimeField() class Event(models.Model): name = models.CharField(max_length=50) date = models.DateField() start_time = models.TimeField() series = models.ForeignKey(Series) I use inlines in the admin application, so that I can edit all the Events for a Series at once. If a series has already been created, I want to prepopulate the start_time for each inline Event with the Series' default_time. So far, I have created a model admin form for Event, and used the initial option to prepopulate the time field with a fixed time. #admin.py ... import datetime class OEventInlineAdminForm(forms.ModelForm): start_time = forms.TimeField(initial=datetime.time(18,30,00)) class Meta: model = OEvent class EventInline(admin.TabularInline): form = EventInlineAdminForm model = Event class SeriesAdmin(admin.ModelAdmin): inlines = [EventInline,] I am not sure how to proceed from here. Is it possible to extend the code, so that the initial value for the start_time field is the Series' default_time?

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  • Use UdpClient with IPv4 and IPv6?

    - by mazzzzz
    A little while ago I created a class to deal with my LAN networking programs. I recently upgraded one of my laptops to windows 7 and relized that windows 7 (or at least the way I have it set up) only supports IPv6, but my desktop is still back in the Windows xp days, and only uses IPv4. The class I created uses the UdpClient class, and is currently setup to only work with IPv4.. Is there a way to modify my code to allow sending and receiving of IPv6 and IPv4 packets?? It would be hard to scrap the classes code, a lot of my programs rely on this class. I would like to keep the class as close to its original state, so I don't need to modify my older programs, only switch out the old class for the updated one. Thanks for any and all help, Max Send: using System.Net.Sockets;UdpClient tub = new UdpClient (); tub.Connect ( new IPEndPoint ( ToIP, ToPort ) ); UdpState s = new UdpState (); s.client = tub; s.endpoint = new IPEndPoint ( ToIP, ToPort ); tub.BeginSend ( data, data.Length, new AsyncCallback ( SendCallBack ),s); private void SendCallBack ( IAsyncResult result ) { UdpClient client = (UdpClient)( (UdpState)( result.AsyncState ) ).client; IPEndPoint endpoint = (IPEndPoint)( (UdpState)( result.AsyncState ) ).endpoint; client.EndSend ( result ); } Receive: UdpClient tub = new UdpClient (ReceivePort); UdpState s = new UdpState (); s.client = tub; s.endpoint = new IPEndPoint ( ReceiveIP, ReceivePort ); s.callback = cb; tub.BeginReceive ( new AsyncCallback ( receivedPacket ), s ); public void receivedPacket (IAsyncResult result) { UdpClient client = (UdpClient)( (UdpState)( result.AsyncState ) ).client; IPEndPoint endpoint = (IPEndPoint)( (UdpState)( result.AsyncState ) ).endpoint; Byte[] receiveBytes = client.EndReceive ( result, ref endpoint ); ReceivedPacket = new Packet ( receiveBytes ); client.Close(); //Do what ever with the packets now }

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  • Mutability design patterns in Objective C and C++

    - by Mac
    Having recently done some development for iPhone, I've come to notice an interesting design pattern used a lot in the iPhone SDK, regarding object mutability. It seems the typical approach there is to define an immutable class NSFoo, and then derive from it a mutable descendant NSMutableFoo. Generally, the NSFoo class defines data members, getters and read-only operations, and the derived NSMutableFoo adds on setters and mutating operations. Being more familiar with C++, I couldn't help but notice that this seems to be a complete opposite to what I'd do when writing the same code in C++. While you certainly could take that approach, it seems to me that a more concise approach is to create a single Foo class, mark getters and read-only operations as const functions, and also implement the mutable operations and setters in the same class. You would then end up with a mutable class, but the types Foo const*, Foo const& etc all are effectively the immutable equivalent. I guess my question is, does my take on the situation make sense? I understand why Objective-C does things differently, but are there any advantages to the two-class approach in C++ that I've missed? Or am I missing the point entirely? Not an overly serious question - more for my own curiosity than anything else.

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  • Why I am getting a Heap Corruption Error?

    - by vaidya.atul
    I am new to C++. I am getting HEAP CORRUPTION ERROR. Any help will be highly appreciated. Below is my code class CEntity { //some member variables CEntity(string section1,string section2); CEntity(); virtual ~CEntity(); //pure virtual function .. virtual CEntity* create()const =0; }; I derive CLine from CEntity as below class CLine:public CEntity { // Again some variables ... // Constructor and destructor CLine(string section1,string section2); CLine(); ~CLine(); CLine* Create() const; } // CLine Implementation CLine::CLine(string section1,string section2):CEntity(section1,section2){}; CLine::CLine(); CLine* CLine::create()const{return new CLine();} I have another class CReader which uses CLine object and populates it in a multimap as below class CReader { public: CReader(); ~CReader(); multimap<int,CEntity*>m_data_vs_entity; }; //CReader Implementation CReader::CReader() { m_data_vs_entity.clear(); }; CReader::~CReader() { multimap<int,CEntity*>::iterator iter; for(iter = m_data_vs_entity.begin();iter!=m_data_vs_entity.end();iter++) { CEntity* current_entity = iter->second; if(current_entity) delete current_entity; } m_data_vs_entity.clear(); } I am reading the data from a file and then populating the CLine Class.The map gets populated in a function of CReader class. Since CEntity has a virtual destructor, I hope the piece of code in CReader's destructor should work. In fact, it does work for small files but I get HEAP CORRUPTION ERROR while working with bigger files. If there is something fundamentally wrong, then, please help me find it, as I have been scratching my head for quit some time now. Thanks in advance and awaiting reply, Regards, Atul

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  • What is the difference between AF_INET and PF_INET constants?

    - by Denilson Sá
    Looking at examples about socket programming, we can see that some people use AF_INET while others use PF_INET. In addition, sometimes both of them are used at the same example. The question is: Is there any difference between them? Which one should we use? If you can answer that, another question would be... Why there are these two similar (but equal) constants? What I've discovered, so far: The socket manpage In (Unix) socket programming, we have the socket() function that receives the following parameters: int socket(int domain, int type, int protocol); The manpage says: The domain argument specifies a communication domain; this selects the protocol family which will be used for communication. These families are defined in <sys/socket.h>. And the manpage cites AF_INET as well as some other AF_ constants for the domain parameter. Also, at the NOTES section of the same manpage, we can read: The manifest constants used under 4.x BSD for protocol families are PF_UNIX, PF_INET, etc., while AF_UNIX etc. are used for address families. However, already the BSD man page promises: "The protocol family generally is the same as the address family", and subsequent standards use AF_* everywhere. The C headers The sys/socket.h does not actually define those constants, but instead includes bits/socket.h. This file defines around 38 AF_ constants and 38 PF_ constants like this: #define PF_INET 2 /* IP protocol family. */ #define AF_INET PF_INET Python The Python socket module is very similar to the C API. However, there are many AF_ constants but only one PF_ constant (PF_PACKET). Thus, in Python we have no choice but use AF_INET. I think this decision to include only the AF_ constants follows one of the guiding principles: "There should be one-- and preferably only one --obvious way to do it." (The Zen of Python)

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  • Querying a self referencing join with NHibernate Linq

    - by Ben
    In my application I have a Category domain object. Category has a property Parent (of type category). So in my NHibernate mapping I have: <many-to-one name="Parent" column="ParentID"/> Before I switched to NHibernate I had the ParentId property on my domain model (mapped to the corresponding database column). This made it easy to query for say all top level categories (ParentID = 0): where(c => c.ParentId == 0) However, I have since removed the ParentId property from my domain model (because of NHibernate) so I now have to do the same query (using NHibernate.Linq) like so: public IList<Category> GetCategories(int parentId) { if (parentId == 0) return _catalogRepository.Categories.Where(x => x.Parent == null).ToList(); else return _catalogRepository.Categories.Where(x => x.Parent.Id == parentId).ToList(); } The real impact that I can see, is the sql generated. Instead of a simple 'select x,y,z from categories where parentid = 0' NHibernate generates a left outer join: SELECT this_.CategoryId as CategoryId4_1_, this_.ParentID as ParentID4_1_, this_.Name as Name4_1_, this_.Slug as Slug4_1_, parent1_.CategoryId as CategoryId4_0_, parent1_.ParentID as ParentID4_0_, parent1_.Name as Name4_0_, parent1_.Slug as Slug4_0_ FROM Categories this_ left outer join Categories parent1_ on this_.ParentID = parent1_.CategoryId WHERE this_.ParentID is null Which doesn't seems much less efficient that what I had before. Is there a better way of querying these self referencing joins as it's very tempting to drop the ParentID back onto my domain model for this reason. Thanks, Ben

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  • Modeling a Generic Relationship in a Database

    - by StevenH
    This is most likely one for all you sexy DBAs out there: How would I effieciently model a relational database whereby I have a field in an "Event" table which defines a "SportType". This "SportsType" field can hold a link to different sports tables E.g. "FootballEvent", "RubgyEvent", "CricketEvent" and "F1 Event". Each of these Sports tables have different fields specific to that sport. My goal is to be able to genericly add sports types in the future as required, yet hold sport specific event data (fields) as part of my Event Entity. Is it possible to use an ORM such as NHibernate / Entity framework which would reflect such a relationship? I have thrown together a quick C# example to express my intent at a higher level: public class Event<T> where T : new() { public T Fields { get; set; } public Event() { EventType = new T(); } } public class FootballEvent { public Team CompetitorA { get; set; } public Team CompetitorB { get; set; } } public class TennisEvent { public Player CompetitorA { get; set; } public Player CompetitorB { get; set; } } public class F1RacingEvent { public List<Player> Drivers { get; set; } public List<Team> Teams { get; set; } } public class Team { public IEnumerable<Player> Squad { get; set; } } public class Player { public string Name { get; set; } public DateTime DOB { get; set;} }

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  • Zend Framework: How to start PHPUnit testing Forms?

    - by Andrew
    I am having trouble getting my filters/validators to work correctly on my form, so I want to create a Unit test to verify that the data I am submitting to my form is being filtered and validated correctly. I started by auto-generating a PHPUnit test in Zend Studio, which gives me this: <?php require_once 'PHPUnit/Framework/TestCase.php'; /** * Form_Event test case. */ class Form_EventTest extends PHPUnit_Framework_TestCase { /** * @var Form_Event */ private $Form_Event; /** * Prepares the environment before running a test. */ protected function setUp () { parent::setUp(); // TODO Auto-generated Form_EventTest::setUp() $this->Form_Event = new Form_Event(/* parameters */); } /** * Cleans up the environment after running a test. */ protected function tearDown () { // TODO Auto-generated Form_EventTest::tearDown() $this->Form_Event = null; parent::tearDown(); } /** * Constructs the test case. */ public function __construct () { // TODO Auto-generated constructor } /** * Tests Form_Event->init() */ public function testInit () { // TODO Auto-generated Form_EventTest->testInit() $this->markTestIncomplete( "init test not implemented"); $this->Form_Event->init(/* parameters */); } /** * Tests Form_Event->getFormattedMessages() */ public function testGetFormattedMessages () { // TODO Auto-generated Form_EventTest->testGetFormattedMessages() $this->markTestIncomplete( "getFormattedMessages test not implemented"); $this->Form_Event->getFormattedMessages(/* parameters */); } } so then I open up terminal, navigate to the directory, and try to run the test: $ cd my_app/tests/unit/application/forms $ phpunit EventTest.php Fatal error: Class 'Form_Event' not found in .../tests/unit/application/forms/EventTest.php on line 19 So then I add a require_once at the top to include my Form class and try it again. Now it says it can't find another class. I include that one and try it again. Then it says it can't find another class, and another class, and so on. I have all of these dependencies on all these other Zend_Form classes. What should I do? How should I go about testing my Form to make sure my Validators and Filters are being attached correctly, and that it's doing what I expect it to do. Or am I thinking about this the wrong way?

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  • Packaging ejb3 swing client

    - by soontobeared
    Hi, I get the "java.lang.ClassNotFoundException: org.jnp.interfaces.NamingContextFac tory" error while running my packaged ejb3 swing client jar. Here's the stack trace. G:\Courses\OSUMC\Installables\June 5\New>java -jar MetaDB-Client.jar javax.naming.NoInitialContextException: Cannot instantiate class: org.jnp.interf aces.NamingContextFactory [Root exception is java.lang.ClassNotFoundException: o rg.jnp.interfaces.NamingContextFactory] at javax.naming.spi.NamingManager.getInitialContext(Unknown Source) at javax.naming.InitialContext.getDefaultInitCtx(Unknown Source) at javax.naming.InitialContext.init(Unknown Source) at javax.naming.InitialContext.<init>(Unknown Source) at net.massmatrix.metadb.ui.facade.BaseEJBFacade.getInitialContext(BaseE JBFacade.java:26) at net.massmatrix.metadb.ui.facade.UserManagerFacade.getUserManager(User ManagerFacade.java:24) at net.massmatrix.metadb.ui.facade.UserManagerFacade.isUserNameAvailable (UserManagerFacade.java:44) at net.massmatrix.metadb.ui.MainFrame.main(MainFrame.java:269) Caused by: java.lang.ClassNotFoundException: org.jnp.interfaces.NamingContextFac tory at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at com.sun.naming.internal.VersionHelper12.loadClass(Unknown Source) ... 8 more Exception in thread "main" java.lang.NullPointerException at net.massmatrix.metadb.ui.facade.UserManagerFacade.isUserNameAvailable (UserManagerFacade.java:44) at net.massmatrix.metadb.ui.MainFrame.main(MainFrame.java:269) Here are my packaged swing client Jar contents:- MetaDB-Client.jar \lib - contains all jboss\client jars \net\.. - contains class files(from both client and server) META-INF MANIFEST.MF jndi.properties Here's my jndi.properties:- java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory java.naming.factory.url.pkgs=org.jboss.naming:org.jnp.interfaces java.naming.provider.url=localhost:1099 Here's my MANIFEST.MF:- Manifest-Version: 1.0 Main-Class: net.massmatrix.metadb.ui.MainFrame Class-Path: lib/* Command used to create the jar:- jar cfm MetaDB-Client.jar MANIFEST.MF net\* lib\* jndi.properties What else am i missing ? Thanks.

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  • N-Tier Architecture - Structure with multiple projects in VB.NET

    - by focus.nz
    I would like some advice on the best approach to use in the following situation... I will have a Windows Application and a Web Application (presentation layers), these will both access a common business layer. The business layer will look at a configuration file to find the name of the dll (data layer) which it will create a reference to at runtime (is this the best approach?). The reason for creating the reference at runtime to the data access layer is because the application will interface with a different 3rd party accounting system depending on what the client is using. So I would have a separate data access layer to support each accounting system. These could be separate setup projects, each client would use one or the other, they wouldn't need to switch between the two. Projects: MyCompany.Common.dll - Contains interfaces, all other projects have a reference to this one. MyCompany.Windows.dll - Windows Forms Project, references MyCompany.Business.dll MyCompany.Web.dll - Website project, references MyCompany.Business.dll MyCompany.Busniess.dll - Business Layer, references MyCompany.Data.* (at runtime) MyCompany.Data.AccountingSys1.dll - Data layer for accounting system 1 MyCompany.Data.AccountingSys2.dll - Data layer for accounting system 2 The project MyCompany.Common.dll would contain all the interfaces, each other project would have a reference to this one. Public Interface ICompany ReadOnly Property Id() as Integer Property Name() as String Sub Save() End Interface Public Interface ICompanyFactory Function CreateCompany() as ICompany End Interface The project MyCompany.Data.AccountingSys1.dll and MyCompany.Data.AccountingSys2.dll would contain the classes like the following: Public Class Company Implements ICompany Protected _id As Integer Protected _name As String Public ReadOnly Property Id As Integer Implements MyCompany.Common.ICompany.Id Get Return _id End Get End Property Public Property Name As String Implements MyCompany.Common.ICompany.Name Get Return _name End Get Set(ByVal value as String) _name = value End Set End Property Public Sub Save() Implements MyCompany.Common.ICompany.Save Throw New NotImplementedException() End Sub End Class Public Class CompanyFactory Implements ICompanyFactory Public Function CreateCompany() As ICompany Implements MyCompany.Common.ICompanyFactory.CreateCompany Return New Company() End Function End Class The project MyCompany.Business.dll would provide the business rules and retrieve data form the data layer: Public Class Companies Public Shared Function CreateCompany() As ICompany Dim factory as New MyCompany.Data.CompanyFactory Return factory.CreateCompany() End Function End Class Any opinions/suggestions would be greatly appreciated.

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  • Unit Testing using InternalsVisibleToAttribute requires compiling with /out:filename.ext?

    - by Will Marcouiller
    In my most recent question: Unit Testing Best Practice? / C# InternalsVisibleTo() attribute for VBNET 2.0 while testing?, I was asking about InternalsVisibleToAttribute. I have read the documentation on how to use it, and everything is fine and understood. However, I can't instantiate my class Groupe from my Testing project. I want to be able to instantiate my internal class in my wrapper assembly, from my testing assembly. Any help is appreciated! EDIT #1 Here's the compile-time error I get when I do try to instantiate my type: Erreur 2 'Carra.Exemples.Blocs.ActiveDirectory.Groupe' n'est pas accessible dans ce contexte, car il est 'Private'. C:\Open\Projects\Exemples\Src\Carra.Exemples.Blocs.ActiveDirectory\Carra.Exemples.Blocs.ActiveDirectory.Tests\GroupeTests.vb 9 18 Carra.Exemples.Blocs.ActiveDirectory.Tests (This says that my type is not accessible in this context, because it is private.) But it's Friend (internal)! EDIT #2 Here's a piece of code as suggested for the Groupe class implementing the Public interface IGroupe: #Region "Importations" Imports System.DirectoryServices Imports System.Runtime.CompilerServices #End Region <Assembly: InternalsVisibleTo("Carra.Exemples.Blocs.ActiveDirectory.Tests")> Friend Class Groupe Implements IGroupe #Region "Membres privés" Private _classe As String = "group" Private _domaine As String Private _membres As CustomSet(Of IUtilisateur) Private _groupeNatif As DirectoryEntry #End Region #Region "Constructeurs" Friend Sub New() _membres = New CustomSet(Of IUtilisateur)() _groupeNatif = New DirectoryEntry() End Sub Friend Sub New(ByVal domaine As String) If (String.IsNullOrEmpty(domaine)) Then Throw New ArgumentNullException() _domaine = domaine _membres = New CustomSet(Of IUtilisateur)() _groupeNatif = New DirectoryEntry(domaine) End Sub Friend Sub New(ByVal groupeNatif As DirectoryEntry) _groupeNatif = groupeNatif _domaine = _groupeNatif.Path _membres = New CustomSet(Of IUtilisateur)() End Sub #End Region And the code trying to use it: #Region "Importations" Imports NUnit.Framework Imports Carra.Exemples.Blocs.ActiveDirectory.Tests #End Region <TestFixture()> _ Public Class GroupeTests <Test()> _ Public Sub CreerDefaut() Dim g As Groupe = New Groupe() Assert.IsNotNull(g) Assert.IsInstanceOf(Groupe, g) End Sub End Class EDIT #3 Damn! I have just noticed that I wasn't importing the assembly in my importation region. Nope, didn't solve anything =( Thanks!

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  • Visual Studio 2008 project organization for executable and assembly

    - by user304582
    Hi - I am having a problem setting up the following in Visual Studio 2008: a parent project which includes the entrypoint Main() method class and which declares an interface, and a child project which has classes that implement the interface declared in the parent project. I have specified that Parent's Output type is a Console application, and Child's Output type is a Class library. In Child I have add a reference to the Parent as a project, and specified that Child depends on Parent and that the build order should be Parent, then Child. The build succeeds, and as far I can tell, the right things show up in the Child/bin/debug directory: Parent.exe and Child.dll. However, if I run Parent.exe, then at the point when it should load a class from the Child.dll, it fails with the error message: exception executing operation System.TypeLoadException: Could not load type 'Child.some.class' from assembly 'Parent, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'. I guess I'm confused as to how to get the Parent and Child projects to play together. I plan on having more child projects that use the same framework that is set up in the Parent, and so I do not want to move the entrypoint class down into the Child project. If I try to specify that the Child project is also a Console application, then the build process fails because there is no Main() entrypoint class in the child (even though the Parent project is included as a reference). Any help would be welcome! Thanks, Martin

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  • "no such file to load -- treetop/runtime" running "rake jobs:work"

    - by Ryan Marshall
    when i try and run the "rails server" or "rake jobs:work" i get the error: "no such file to load -- treetop/runtime" full trace: macbook-pro-2:domain ryan$ rake jobs:work --trace(in /Applications/htdocs/domain) rake aborted! no such file to load -- treetop/runtime /opt/local/lib/ruby/gems/1.8/gems/mail-2.2.14/lib/mail.rb:68:in require' /opt/local/lib/ruby/gems/1.8/gems/mail-2.2.14/lib/mail.rb:68 /opt/local/lib/ruby/gems/1.8/gems/mail-2.2.14/lib/mail.rb:61:ineach' /opt/local/lib/ruby/gems/1.8/gems/mail-2.2.14/lib/mail.rb:61 /opt/local/lib/ruby/gems/1.8/gems/delayed_job-2.1.2/lib/delayed/performable_mailer.rb:1:in require' /opt/local/lib/ruby/gems/1.8/gems/delayed_job-2.1.2/lib/delayed/performable_mailer.rb:1 /opt/local/lib/ruby/gems/1.8/gems/delayed_job-2.1.2/lib/delayed_job.rb:5:inrequire' /opt/local/lib/ruby/gems/1.8/gems/delayed_job-2.1.2/lib/delayed_job.rb:5 /opt/local/lib/ruby/gems/1.8/gems/bundler-1.0.7/lib/bundler/runtime.rb:64:in require' /opt/local/lib/ruby/gems/1.8/gems/bundler-1.0.7/lib/bundler/runtime.rb:64:inrequire' /opt/local/lib/ruby/gems/1.8/gems/bundler-1.0.7/lib/bundler/runtime.rb:62:in each' /opt/local/lib/ruby/gems/1.8/gems/bundler-1.0.7/lib/bundler/runtime.rb:62:inrequire' /opt/local/lib/ruby/gems/1.8/gems/bundler-1.0.7/lib/bundler/runtime.rb:51:in each' /opt/local/lib/ruby/gems/1.8/gems/bundler-1.0.7/lib/bundler/runtime.rb:51:inrequire' /opt/local/lib/ruby/gems/1.8/gems/bundler-1.0.7/lib/bundler.rb:112:in require' /ApApplications/htdocs/domain/config/application.rb:7 /opt/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:ingem_original_require' /opt/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in require' /Applications/htdocs/domain/Rakefile:4 /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2383:inload' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2383:in raw_load_rakefile' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2017:inload_rakefile' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in standard_exception_handling' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2016:inload_rakefile' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2000:in run' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:instandard_exception_handling' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in run' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/bin/rake:31 /opt/local/bin/rake:19:inload' /opt/local/bin/rake:19 in my Gemfile i have: "gem 'delayed_job'"

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  • How to test an HTTP 301 redirect?

    - by NoozNooz42
    How can one easily test HTTP return codes, like, say, a 301 redirect? For example, if I want to "see what's going on", I can use telnet to do something like this: ... $ telnet nytimes.com 80 Trying 199.239.136.200... Connected to nytimes.com. Escape character is '^]'. GET / HTTP/1.0 (enter) (enter) HTTP/1.1 200 OK Server: Sun-ONE-Web-Server/6.1 Date: Mon, 14 Jun 2010 12:18:04 GMT Content-type: text/html Set-cookie: RMID=007af83f42dd4c161dfcce7d; expires=Tuesday, 14-Jun-2011 12:18:04 GMT; path=/; domain=.nytimes.com Set-cookie: adxcs=-; path=/; domain=.nytimes.com Set-cookie: adxcs=-; path=/; domain=.nytimes.com Set-cookie: adxcs=-; path=/; domain=.nytimes.com Expires: Thu, 01 Dec 1994 16:00:00 GMT Cache-control: no-cache Pragma: no-cache Connection: close <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> ... Which is an easy way to access quite some infos. But now I want to test that a 301 redirect is indeed a 301 redirect. How can I do so? Basically, instead of getting a HTTP/1.1 200 OK I'd like to know how I can get the 301? I know that I can enter the name of the URL in a browser and "see" that I'm redirected, but I'd like to know what tool(s) can be used to actually really "see" the 301 redirect. Btw, I did test with a telnet, but when I enter www.example.org, which I redirected to example.org (without the www), all I can see is an "200 OK", I don't get to see the 301.

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  • Using PHP cURL with an HTTP Debugging Proxy

    - by Kane
    I'm using the app "Fiddler" to debug a GET attempt to a website via PHP cURL. In order to see the cURL traffic I had to specify that the cURL connection use the Fiddler proxy (see code below). $ch = curl_init(); curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1); curl_setopt($ch, CURLOPT_PROXY, '127.0.0.1:8888'); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5); curl_setopt($ch, CURLOPT_TIMEOUT, 10); curl_setopt($ch, CURLOPT_HEADERFUNCTION, 'read_header'); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_USERAGENT, $user_agent); curl_setopt($ch, CURLOPT_REFERER, "http://domain.com"); curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); curl_setopt($ch, CURLOPT_COOKIEJAR, "my_cookies.txt"); curl_setopt($ch, CURLOPT_COOKIEFILE, "my_cookies.txt"); curl_setopt($ch, CURLOPT_URL, "http://domain.com"); $response = curl_exec($ch); But the problem is that in Fiddler I can only see this: Request (domain.com is just an alias): CONNECT domain.com:80 HTTP/1.1 Response: HTTP/1.1 200 Blind-Connection Established If I manually load the website in a browser Fiddler gives me WAY more information. I can see the cookies, the header information, and what I'm receiving via the GET. Any ideas why Fiddler can't see more useful information from PHP cURL? Edit: I tried turning on the "Enable HTTPS Decryption" option inside Tools / Fiddler Options / HTTPS (which I'm not sure why I'd need to use as I didn't tell cURL to use HTTPS). Unfortunately, by changing this setting I now get a Response of: HTTP/1.1 502 Connection failed Edit: If it helps, the app "Charles" shows me WAY more information than Fiddler, but I really want to figure out Fiddler since I like it better.

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  • Auto switching databases from a rails app gracefully from the ApplicationController?

    - by Zaqintosh
    I've seen this post a few times, but haven't really found the answer to this specific question. I'd like to run a rails application that based on the detected request.host (imagine I have two subdomains points to the same rails app and server ip address: myapp1.domain.com and myapp2.domain.com). I'm trying to have myapp1 use the default "production" database, and myapp2 requests always use the alternative remote database. Here is an example of what I tried to do in Application controller that did not work: class ApplicationController < ActionController::Base helper :all before_filter :use_alternate_db private def use_alternate_db if request.host == 'myapp1.domain.com' regular_db elsif request.host == 'myapp2.domain.com' alternate_db end end def regular_db ActiveRecord::Base.establish_connection :production end def alternate_db ActiveRecord::Base.establish_connection( :adapter => 'mysql', :host => '...', :username => '...', :password => '...', :database => 'alternatedb' ) end end The problem is when it switches databases using this method, all connections (including valid sessions across the different subdomains get interrupted...). All examples online have people controlling database connectivity at the model level, but this would involve adding code all over my application. Is there some way to globally switch database connections on a per-request basis in the manner I'm suggesting above WITHOUT having to inject code all over my application? The added complexity here is I'm using Heroku as a hosting provider, so I have no control at the apache / rails application server level. I have looked at solutions like dbcharmer and magicmodels, but none seem to show examples of doing it in the manner that I'm trying to. Thanks for any help!

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  • How to create a rails staging environment in engineyard?

    - by siulamvictor
    I have a production instance in engineyard up and running well. I would like to create a new staging instance for internal testing. I cloned the existing production instance, changed Framework Environment to staging. I can deploy all the code to staging instance from Github. Engineyard reported the server is fully configured and ready. I have subdomain-fu in my Rails app, as I have some subdomain handling in my app. I set the subdomain initializer like this.... SubdomainFu.tld_sizes = {:development => 1, :test => 0, :production => 1, :staging => 2} As the production instance is using the domain xxxxx.com, I would like my staging instance use the domain staging.xxxxx.com. But I got an error when open this domain. Seems the app use xxxxx.com as domain but not the staging.xxxxx.com. I checked the engineyard database.yml. It use xxxxx_production database, I supposed it should be xxxxx_staging. Seems the engineyard instance is not set to staging environment, but just clone all the setting from production server. Does anyone have experience with this and can show me the way on how to fix it? Thanks. :)

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  • jquery navbar active state stays through refresh

    - by bob
    Hello, I am building a web application and because it has a layout. I don't want to have to create a seperate navigation bar for each page. I am wondering if I can assign an active class to a link that gets clicked on my navbar which will keep the active class even after a page refresh. html <div id="navbar"> <ul id = "main_nav"> <li><%= link_to '', root_path, :class => "home" %></li> <li><%= link_to '', junklists_path, :class => "buy" %></li> <li><%= link_to '', post_junk_path, :class => "sell" %></li> <li><%= link_to '', contact_path, :class => "contact" %></li> </ul> </div> jquery $("#main_nav li a").click(function(){ $("#main_nav li a.active").removeClass('active'); $(this).stop().addClass('active'); }) What options do I have? Thanks in advance!

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  • Error executing child request for handler in plugin

    - by user1348351
    I'm using nop commerce open source. I wanted to show the recently add products in home page. so what I did is I activated plugin Nop JCarousel in the admin panel. But if I select "Recently view product" as a Data source type it is working fine.But if I select "recently add product" Data source type there is error coming up. it says Server Error in '/' Application. Method not found: 'Nop.Core.IPagedList`1<Nop.Core.Domain.Catalog.Product> Nop.Services.Catalog.IProductService.SearchProducts(Int32, Int32, System.Nullable`1<Boolean>, System.Nullable`1<System.Decimal>, System.Nullable`1<System.Decimal>, Int32, System.String, Boolean, Int32, System.Collections.Generic.IList`1<Int32>, Nop.Core.Domain.Catalog.ProductSortingEnum, Int32, Int32, Boolean, System.Collections.Generic.IList`1<Int32> ByRef, Boolean)'. 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.MissingMethodException: Method not found: 'Nop.Core.IPagedList`1<Nop.Core.Domain.Catalog.Product> Nop.Services.Catalog.IProductService.SearchProducts(Int32, Int32, System.Nullable`1<Boolean>, System.Nullable`1<System.Decimal>, System.Nullable`1<System.Decimal>, Int32, System.String, Boolean, Int32, System.Collections.Generic.IList`1<Int32>, Nop.Core.Domain.Catalog.ProductSortingEnum, Int32, Int32, Boolean, System.Collections.Generic.IList`1<Int32> ByRef, Boolean)'. Source Error: Line 3: @foreach (var widget in Model) Line 4: { Line 5: @Html.Action(widget.ActionName, widget.ControllerName, widget.RouteValues) Line 6: } Any idea on how to solve this?

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  • Jquery Tools: Scrollable - onBeforeSeek & onSeek toggle child div

    - by Rick
    I'm scrolling some panels which contain some youtube clips using Jquery Tools Scrollable. I'd like to hide them during the transition to avoid a jerky animation. Markup: <div id="panel_items"> <div id="wrap"> <div class="event"> <div class="header">Event 1</div><!-- Header is always displayed --> <div class="youtube">youtube clips</div><!-- hide during transition, then show --> </div> <div class="event"> <div class="header">Event 2</div> <div class="youtube" style="display: none">More youtube clips</div> </div> </div> </div> Current JS: $("#panel_items").scrollable({ onBeforeSeek: function() { console.log("hide .child .youtube"); }, onSeek: function() { console.log("Show child .youtube"); } }); Bonus question: How can I automatically set the height of #panel_items to match the current panel height (.event)? Thank you.

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