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  • castle IOC - resolving circular references

    - by Frederik
    Hi quick question for my MVP implementation: currently I have the code below, in which both the presenter and view are resolved via the container. Then the presenter calls View.Init to pass himself to the view. I was wondering however if there is a way to let the container fix my circular reference (view - presenter, presenter - view). class Presenter : IPresenter { private View _view; public Presenter(IView view, ...){ _view = view; _view.Init(this) } } class View : IView { private IPresenter _presenter; public void Init(IPresenter presenter){ _presenter = presenter; } } Kind regards Frederik

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  • Using string constants in implicit conversion

    - by kornelijepetak
    Consider the following code: public class TextType { public TextType(String text) { underlyingString = text; } public static implicit operator String(TextType text) { return text.underlyingString; } private String underlyingString; } TextType text = new TextType("Something"); String str = text; // This is OK. But I want to be able do the following, if possible. TextType textFromStringConstant = "SomeOtherText"; I can't extend the String class with the TextType implicit operator overload, but is there any way to assign a literal string to another class (which is handled by a method or something)? String is a reference type so when they developed C# they obviously had to use some way to get a string literal to the class. I just hope it's not hardcoded into the language.

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  • How to associate node with products in Drupal/Ubercart

    - by henrijs.seso
    I am looking for a way to allow users to add node reference to each product or whole cart @ checkout. I am making web site where users can buy items and then receive them on board flight. Products are fixed, but user needs to tell for which flight he is buying items. Flights are nodes and users has flagged these nodes so there is no problem making View with users flagged flight nodes. How would I associate one of these nodes with purchase? Nodereference from CCK would be cool, but checkout is probably not node. Any suggestions for approach?

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  • Change namespace/filesystem folder names in Visual Studio

    - by Rosarch
    I'm trying to change a namespace in Visual Studio. My folder structure looks something like this: GameAlpha/ GameAlpha.sln GameAlphaRelease/ GameAlphaTest/ GameAlphaLevelEditor/ These include namespaces like GameAlphaRelease. I want to change all this to GameBetaRelease. Before this process, it built fine. First, I changed the solution and project files from Alpha to Beta. Then, I did a "find-replace-all" on the namespace. Finally, I went through the properties of each project and changed the "Assembly Name" and "Default Namespace" to the appropriate Beta title. However, now the solution does not build. The error is: GameAlpha.accessor: The reference to 'GameAlpha.exe' was not found in the list of this projects references. (Project: GameBetaTest) What am I doing wrong? If I remove project GameBetaTest, the solution builds just fine. Also, what is the preferable way to change the names of the folders in the file system?

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  • How to be sure that my MVC project is runting on the correct version after upgrade to vs2010?

    - by Stephane
    I just installed visual studio 2010 and upgraded my MVC project (which was running on MVC RC2 in visual studio 2008). visual studio 2010 updated every project file to target the framework 4.0. But the system.web.dll is pointing to C:\Program Files (x86)\Microsoft ASP.NET\ASP.NET MVC 2\Assemblies\System.Web.Mvc.dll in VS2010 object browser, I have every dll showing up in multiple versions as expected (3.5.0.0 and 4.0.0.0) except for the System.Web.Mvc dll which doesn't show any version and points to the path I mentioned above. Isn't this namespace point to the Framework folder like the System.Web namespace? C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework.NETFramework\v4.0\System.Web.dll

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  • Dissapearing object function??

    - by WmasterJ
    Is there a reason for object functions to be unset or deleted or simply not applied for any reason at all that isn't intentional? I am maintaining someone elses code and gone through it many times. I use Google Chromes awesome debuger and also TextMate. These help me find the origin of error relatively fast. The problem I have now is that i have an object: types. This object conatains...types. And these types have functions and other variables attached to them. For some reason in the middle of the code, this type has been passed by reference millions of times probably. When it comes to a certain part of the code parts of it, seem to have dissapeared. Puff! And it's gone..! Anyone have a clue (other than it being removed somewhere else earlier in the code, I'm already looking for that)

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  • Why isn't this MVC Html Helper extension method working?

    - by Blankman
    My base controller looks like: public abstract MyBaseMasterController<TMasterViewModel> : Controller { } public MyMasterController: MyBaseMasterController<SomeThingModel> { } Extension method: public static string DoSomething(this HtmlHelper htmlHelper) { StringBuilder sb = new StringBuilder(); sb.Append("var cnwglobals = {"); var controller = htmlHelper.ViewContext.Controller as MyMasterController; if (controller == null) { } return sb.ToString(); } In my view I do: <% Html.Dosomething(); %> I get an error: CS1061: 'System.Web.Mvc.HtmlHelper<Blah.Models.ViewModelForMasterWrapper<Blah.Models.MasterViewModel>>' does not contain a definition for 'DoSomething' and no extension method 'DoSomething' accepting a first argument of type 'System.Web.Mvc.HtmlHelper<Blah.Models.ViewModelForMasterWrapper<Blah.Models.MasterViewModel>>' could be found (are you missing a using directive or an assembly reference?)

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  • How To: Referencing LAPACK library from FORTRAN 95 in Cygwin

    - by cholmgreen
    I have a FORTRAN 95 program that needs to make some calls to the LAPACK library. I recently found out that Cygwin because it can install LAPACK as an extra option. Well, LAPACK exists in the /lib/lapack/ directory as "cyglapack.dll". Having only a very informal training in Fortran programming, I have no idea how to reference a .dll library as opposed to a .mod module. Any suggestions or directions to articles answering my question are GREATLY appreciated! (P.S. I did search first.. I don't think I know the proper terms to get a useful article.)

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  • Change a subform's recordsource from another subform in Access

    - by Dkellygb
    I am using MS Access 2003 and I have a form with two subforms (subform1 and subform2) which are not nested. They both display tabular data on them so they cannot be nested. I would like to change the recordsource on subform2 based on a value in the current record on subform1. I have tried to put the code in the oncurrent event of subform1 but I cannot seem to refer to the recordsource in subform2 from subform1. From subform1 I have tried me.parent!subform2.form.recordsource but I get a runtime error ‘2455’ You have entered an expression that has an invalid reference to the property form/report. Any ideas?

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  • calling a function or communicating from one browser window to another using Jquery / javascript

    - by Shanon
    Hello, I am designing a web site that plays music. The music player itself will be in a separate window along with the now playing list. I want to be able to refresh the now playing list when a new song is added to it from the main window. Essentially I need to figure out how to communicate between the two windows. I was only able to find one plugin on line that defines the player page as a child of the main page but then this reference would be lost after the parent page i.e my main page was refreshed. So this was not very useful to me and I'm kinda lost atm. Any help is greatly appreciated PS: here is the link to that plugin (http://www.sfpeter.com/2008/03/13/communication-between-browser-windows-with-jquery-my-new-plugin/)

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  • Regular expression in BASH

    - by Ryan
    Hello everyone, I was hoping someone could answer my quick question as I am going nuts! I have recently started learning regular expressions in my Java programming however am a little confused how to get certain features to work correctly directly in BASH. For example, the following code is not working as I think it should. echo 2222 | grep '2\{2\}' I am expecting it to return: 22 I have tried variations of it including: echo 2222 | grep '2{2}' echo 2222 | grep -P '2\{2\}' echo 2222 | grep -E '2\{2\}' However I am completely out of ideas. I'm sure this is a simple parameter / syntax fix and would love some help! P.S I've done tons of googling and every reference I find does not work in BASH; regex's can run on so many different platforms and engines =/

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  • What is a NullReferenceException in .NET?

    - by John Saunders
    (I'm creating this separate question and answer because every question we get on NullReferenceException is really the same) I have some code and when it executes, it throws a NullReferenceException, saying, "Object reference not set to an instance of an object.". What does this mean, and what can I do about it? Note again, that this is a question meant to focus answers to the canonical "what is a NullReferenceException and why did I get one" question. I do know what a NullReferenceException is, as my answer below demonstrates.

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  • Combining deflate and minify - am i creating overhead?

    - by Mark Nolan
    I minify my css and js files on the fly with google.codes minify. I have also set my .htaccess to use deflate on all my css and js files - the reason beeing some js files (like shadowbox and tinymce) reference to other js files in the code. So i'm compressing with apache deflate and also minify compresses some js and css files with gzip - am i creating overhead by doing this - first gzipping (minify) and then zlib (deflate) will run through again. Or will apache deflate ignore the already gzipped files having the attributes set by minify in the headers. Anyone have any experiences with this?

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  • Jetty 6 to Jetty 7 upgrade: what happened to system property "jetty.lib"? (-Djetty.lib=my/lib/dir)

    - by StaxMan
    Looks like Jetty team wanted to do some spring cleaning between versions 6 and 7, and it looks as if one useful system property, "jetty.lib" either does not exist, does not work, or just has changed in an unspecified way so as to make my jetty 6 set up work easily with Jetty 7. I tried searching through Jetty 7 docs, but about the only reference I saw was that "some commonly used properties (such as "jetty.home") still work as they used to". So, what am I missing? I really would want to avoid messing with things within Jetty distribution dirs (otherwise I could -- and maybe I have to? -- just use JETTY_BASE/lib/ext), and that's what "jetty.lib" was useful for.

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  • Need advice on organizing two WPF applications within one Visual Studio solution

    - by Tim
    I have a WPF application (KaleidoscopeApplication) organized as follows: Solution (6 projects) Cryptography (DLL) Rfid (DLL) KaleidoscopeApplication (buildable "startup project") Basically, KaleidoscopeApplication contains a bunch of resources (sounds, images, etc) and your standard WPF junk (App.xaml, App.xaml.cs, other xaml and code). I need to create a new application that is very similar to Kaleidoscope, but I'm not sure of the best way to organize. This new app will need access to much of the same code and resources as Kaleidoscope. Preferably, I would like to create a new project in the solution, then simply use the "set as startup project" to pick which app I want to build. However, will I be able to access (share) the Resources folder of Kaleidoscope? I know I will be able to access much of the code if I simply add a reference to the project and include a "using Kaleidoscope". But the resources I'm not so sure about. Is this the right way to organize or am I asking for trouble in the future? Thanks in advance!

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  • jQuery hoverIntent not working, but hover does

    - by kylex
    I have the following code: $(document).ready(function(){ $(".yearInner").hide(); $(".year", this).hover( function () { $(".yearInner", this).slideToggle(); } ); }); It hides the div with class yearInner, and then when the containing div with class year is hovered over, the yearInner div toggles on. Works fine, put I'd like to use the hoverIntent plug-in instead of hover. Doesn't work at all with hoverIntent. Suggestions? Div structure for reference: <div class="year"> 2009 <div class="yearInner"> More Info... </div> </div> <div class="year"> 2008 <div class="yearInner"> More Info... </div> </div>

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  • Using C# and VB.NET in one solution

    - by Younes
    I'm busy on a small project to convert an Access2003 db to .NET. I am trying to integrate my functionality in an excisting project that is being used for Administration of some kind. The code in this project is vb.net. I started by setting up my Data Access Layer, which seems to work fine. I can make new web pages that acces the data I need. However when i start to use class files to set up my Business Logic Layer i can't build my project when using C# instead of VB. I Dislike VB and like to program in C# as i know the syntax alot better etc. Is it possible to program using C# knowing that VB.NET was the language chosen to buold the entire project on? If not, what will be the smartest way to integrate my module into the project using my favorite programming language? (Make a project and reference to the dll?)

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  • Exceptions in constructors

    - by FredOverflow
    In C++, the lifetime of an object begins when the constructor finishes successfully. Inside the constructor, the object does not exist yet. Q: What does emitting an exception from a constructor mean? A: It means that construction has failed, the object never existed, its lifetime never began. [source] My question is: Does the same hold true for Java? What happens, for example, if I hand this to another object, and then my constructor fails? Foo() { Bar.remember(this); throw new IllegalStateException(); } Is this well-defined? Does Bar now have a reference to a non-object?

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  • TimeZoneInfo - why can't i seem to create an instance of it?

    - by Kravlin
    I'm trying to use the EWS API to access an Exchange server from a console program i'm writing. I've specified the type of exchange server i'm connecting to but when I try to execute the code i have, it gives me Error 1 The type 'System.TimeZoneInfo' is defined in an assembly that is not referenced. You must add a reference to assembly 'System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'. C:\Documents and Settings\jsorensen\My Documents\Visual Studio 2005\Projects\ConsoleApplication2\ConsoleApplication2\Program.cs 26 13 ConsoleApplication2 Does Microsoft Visual Studio Academic Edition not support TimeZoneInfo or is the version of .Net that XP can have not up-to date enough to work with the EWS API? I'm moderately new to programming in C# so some of the stuff is still confusing. Thanks.

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  • Java Memory Overhead

    - by flamealpha
    Hello, I would like to ask about Memory Overhead in java, I have a large ArrayList (61,770 items), and trying to calculate the amount of memory taken by each item (counting the object and its ArrayList entry), by profiling the app i get that after all the data is loaded, the heap takes ~ 25Mb. when the ArrayList has only 2 items the heap takes ~1Mb , so roughly: (24*1024*1024)/61,768 = 407 bytes. however, when i count the fields of the each object, i get 148 bytes(not including the ArrayList, and assuming int=4,float=4,reference=4), I am curious to know where did all of those extra bytes came from... i can guess that since the objects I store in the ArrayList are implementing an interface, they store extra values, maybe the VM stores a 4byte function pointer for each implemented method? the interface they implement have 20 functions so thats 80 more bytes, totaling 228 bytes, still not close to the 400 bytes measured. any help would be appreciated.

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  • Problems setting up an ASP.NET MVC site on IIS7 w/ Nhibernate

    - by Brandon
    When deploying my published website to the host (Its a shared hosting plan) I get this error: [NullReferenceException: Object reference not set to an instance of an object.] System.Web.PipelineStepManager.ResumeSteps(Exception error) +929 System.Web.HttpApplication.BeginProcessRequestNotification(HttpContext context, AsyncCallback cb) +91 System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +508 I found this question which describes my problem, but I'm not initializing NHibernate in Application_Start, it is already being done in Init. The only other cause of this error I can find is that the Global.asax file is inheriting from a class other than HttpApplication, but I'm not doing that either. This is pretty much the Global.asax file protected void Application_Start() { AreaRegistration.RegisterAllAreas(); RegisterRoutes(RouteTable.Routes); } public override void Init() { base.Init(); if (_wasNHibernateInitialized) return; // Initialize NHibernate // Other setup like the StructureMap initialization } Is there any other reason why an ASP.NET MVC application would give this error when being deployed to IIS7?

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  • browser ctrl-f find and non-visible text

    - by David Pilling
    Can the browser feature of contrl+F to find text be integrated with text in popup windows. I'd like to have some scientific reference information given when someone hovers over a species name in a web page. Generating the popup, tooltip style text is no problem, the problem is that anyone using Ctrl+F won't be able to find it, or if I position the text out of view when not required, it will be found but be invisible. The same sort of effect applies to "accordion" style expanding text areas. I'm looking for some sort of event generated when find is highlighting a result.

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  • Credit card payment method

    - by Rudy
    Hi guys, I'm creating a online webshop using ASP .net and C#. The website is supposed to receive payment by master card, visa, paypal, and e-transfer. Any reference how can I do that, esp for master card and visa. Is it done via web service? Do i hv to use a payment gateway? Is it possible to connect directly to MC and visa? I totally have no clue on this. Thanks!

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  • How to fetch message body and attachments in XML format from Lotus Domino server from linux using ph

    - by too
    Has anybody some information about accessing Lotus Domino server to fetch entire mail contents by http(s) requests from php linux server? The article by Andrei Kouvchinnikov describes well how to fetch message list in notes mail folders; after obtaining session id during login one can for example select top 100 messages by calling: https://your.server.domain/mail_db/mailbox.nsf/($Inbox)?ReadViewEntries&Start=1&Count=100 And this works perfectly. The arises when I am trying to get message contents (0A1DA5EEB7B65277C12576F50055D811 is an example message unique Id): https://your.server.domain/mail_db/mailbox.nsf/($Inbox)/0A1DA5EEB7B65277C12576F50055D811/?OpenDocument Such request in IE shows frameset with data hard to parse, in less common browsers like Opera it informs about unsupported browser. Ideally if it is possible to fetch notes message contents and all attachments by requesting it in the url, has anybody some information what request would it be? Link to Lotus web calls reference would be even more beneficial.

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  • Drupal Background Image as Block or Node

    - by Marcy Sutton
    Hi There. I am having trouble wrapping my head around how to make editable background images in my custom Drupal 6 theme. My client wants to have a different background image for each main section (which use multiple content types: page, blog, image gallery)... I am wondering, is there a way to make a custom content type into a dynamic background image block? I am using the Image, Image Cache, Views, CCK, Image Assist, Panels, Filefield, and Imagefield modules. What I'd like to do is add a background image field to various content types that allows a user to reference an image from the content library or upload a new image (similar to ImageAssist), and have it apply to a region in my template. Any suggestions on the best approach for this? Thank you!

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