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  • C++ and Scripting.Dictionary from scrrun.dll

    - by MaxFX
    Hello. I have some trouble with Scripting.Dictionary in C++. I'm trying to use interface IDictionary via smart pointer but methods of creating object don't work and I can't understand why. CoInitialize(NULL); IDictionaryPtr dict; dict.CreateInstance(__uuidof(Dictionary)); _variant_t num1 = 1; _variant_t num2 = 2; dict->Add(&num1, &num2); long i; dict->get_Count(&i); cout << i << "\n"; But method Add does not work and cout of elements in dictionary is always 0. How correct to use Scripting.Dictionary in that case. PS.: I'm getting Scripting interfaces by #import "scrrun.dll"

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  • How to write "good" user interface texts?

    - by Roddy
    Many applications are let down by the quality of the 'writing' in their user interfaces: typically, poor spelling, grammar, inconsistent tone, and worse yet, "humour" are the usual offenders. Are there good resources that can help developers to write UI messages that give a professional and positive impression to your customers, even when your code's going to hell in a handcart? Thanks, all — Some great resources here, so I will CW this question. I'm accepting Adam Sill's answer because it's the one that (as a developer of desktop apps) I found most pertinent.

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  • How do I convert a windows forms app from C# to VB ?

    - by SLC
    I've been converting all kinds of other things, classes, interfaces, ASP.NET MVC apps, and WPF applications, but I am stumped as to how to convert a windows forms application, as the whole structure seems to be different. Does anyone have any advice on how to tackle this problem? I see essentially that you have two files, Form1.cs and Form1.Designer.cs. Literally translating them from C# to VB doesn't work because of some intricacies or other of how Visual Basic works. I think you /might/ be able to convert Form1.cs in this way, as it's just a constructor plus event handlers, but the designer contains the references to the controls etc. and I am not sure how to go about doing that. I am using Visual Studio 2010 Beta 2.

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  • Integrating Facebook and example.com

    - by user366292
    I'm creating web site where you can add idea and comment it. Last week I have been looking for Facebook integration. So you can post idea from Facebook or Example.com. You should also be able to comment ideas from Facebook and Example.com. Two interfaces, one result. Is that possible? And is the Facebook application only solution? What about Facebook group wall? -- UPDATE I have Facebook and Example.com. I would like to have full integration between those. Messages and comments sent from Facebook shows on Example.com and vice versa.

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  • How to make sure web services are kept stable from one release to the next?

    - by Tor Hovland
    The company where I work is a software vendor with a suite of applications. There are also a number of web services, and of course they have to be kept stable even if the applications change. We haven't always succeeded with this, and sometimes a customer finds that a service is not behaving as before after upgrading. We now want to handle this better. In general, web services shouldn't change, and if they have to, at least we will know about it and document the change. But how do we ensure this? One idea is to compare the WSDL files with the previous versions at every release. That will make sure the interfaces don't change, but it won't detect that the behavior changes, for example if a bug is introduced in some common library. Another idea is to build up a suite of service tests, for example using soapUI. But then we'll never know if we have covered enough cases. What are some best practices regarding this?

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  • python interactive web data/forms/interface communicating with remote server

    - by decipher
    What's an efficient method (preferably simple as well) for communicating with a remote server and allowing the user to 'interact' with it (IE submit commands, user interface) via the web browser (IE a text box to input commands, and an text area for output, or various command-less abstracted interfaces)? I have the 'standalone' python code finished for communicating and working(terminal/console based right now). My primary concern is with re-factoring the code to suite the web, which involves establishing a connection (python sockets), and maintaining the connection while the user is logged on. some further details: currently using django framework for the basic back end/templates.

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  • GetProperties() to return all properties for an interface inheritance hierarchy

    - by sduplooy
    Assuming the following hypothetical inheritance hierarchy: public interface IA { int ID { get; set; } } public interface IB : IA { string Name { get; set; } } Using reflection and making the following call: typeof(IB).GetProperties(BindingFlags.Public | BindingFlags.Instance) will only yield the properties of interface IB, which is "Name". If we were to do a similar test on the following code, public abstract class A { public int ID { get; set; } } public class B : A { public string Name { get; set; } } the call typeof(B).GetProperties(BindingFlags.Public | BindingFlags.Instance) will return an array of PropertyInfo objects for "ID" and "Name". Is there an easy way to find all the properties in the inheritance hierarchy for interfaces as in the first example?

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  • Adding WCF service reference adds DataContract types too

    - by Avi Shilon
    Hi everybody, I've used Visual Studio's Add Service Reference feature to add a service (actually it is a workflow service, created in WF4 RC1, but I don't think this makes any difference), and it also added the DataContracts that the service uses. At first this seemed fine, because All I've had in the DataContracts was simply properties, with no implementations. But now I've added code in the constructor of one data contracts that initializes creates an instance of one of the properties that exposes a list of other DCs, and when I've updated the service reference via VS (2010 RC1), the implementation was not updated. What should I do? Should I use my DCs instead of the ones created by VS or should I use the ones VS created? I've noticed that the properties in the VS-generated DCs contain some additional logic for checking equality in the setters and they also implement some interfaces too (like IExtensibleDataObject and INotifyPropertyChanged) which might get handy I guess in the future (I'm not knowledgeable at WCF). Thank you for your time folks, Avi

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  • StructureMap: Wiring (generic) implementations to an implementation of another type

    - by Jeremy Frey
    If I have an interface: public interface IRepository<T> And an abstract class: public abstract class LinqToSqlRepository<T, TContext> : IRepository<T> where T : class where TContext : DataContext And a whole bunch of implementations of IRepository / LinqToSqlRepository (e.g. AccountRepository, ContactRepository, etc.), what's the best way to to use StructureMap (2.5.3) to generically wire them all up? e.g., I want this code to pass: [Test] public void ShouldWireUpAccountRepositories { var accountRepo = ObjectFactory.GetInstance<IRepository<Account>>(); Assert.IsInstanceOf<AccountRepository>(accountRepo); } Without explicitly writing this: ObjectFactory.Configure(x => x.ForRequestedType<IRepository<Account>>() .TheDefaultIsConcreteType<AccountRepository>()); In the past, we've always created a specific interface on each repository that inherited from the generic one, and used the default scanner to automatically wire all of those instances, but I'd like to be able to ask specifically for an IRepository<Account> without cluttering up the project with additional interfaces / configurations.

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  • problem convert idl to tbl

    - by Bahgat Mashaly
    i try to get a selected text and the word under mouse in firefox after a lot of search i get the solution that i must access a document's HTML in Firefox using IAccessible i found that solution in c++ in this link How to access a document's HTML in Firefox using IAccessible the solution use ISimpleDOMNode.idl file so the first step to convert that solution from c++ to c# is convert ISimpleDOMNode.idl to tlb file and convert tlb to dll fill i try to use VS Command Prompt with this command to convert to tlb file midl ISimpleDOMNode.idl but That generate ISimpleDOMNode.h and ISimpleDOMDocument.h, which define the interfaces. It also create ISimpleDOMNode_i.c and ISimpleDOMDocument_i.c but there is no tlb file what is the wrong ?

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  • DLL/TLB in Java<->DCOM communication

    - by beermann
    I have to write an OpenOffice add-on (in Java) which communicates with DCOM server of some closed-source application. The major problem is that, I don't have any documentation about server's Interfaces . All I have is a VB/C++ SDK kit for the Application. SDK contain a library in dll and a bunch of *.tlb files. In SDK documentation there is an information, I can use java, but there is no example at all. I have read provided examples and it looks like all the communication wit DCOM goes through this dll. Is there a way to somehow import such dll/tlb functions def directly to java, bypass dll and comunicate with DCOM or I have to write a C++ wrapper(dll)? What is the best way to do it? Any hints are welcomed.

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  • SQL Server 2008 - cannot register default instance MSSQLSERVER

    - by Paul Moss
    Hello, I have installed SQL Server 2008 Developer on Windows 7 64 bit. In Management Studio I cannot register the default instance MSSQLSERVER, it cannot find it although the service is running. I get the message: Cannot connect to PHOENIX\MSSQLSERVER. A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 25 - Connection string is not valid) (Microsoft SQL Server, Error: 87) However Management Studio does show the SQL Server 2005 Express instance (that was installed with VS 2008 Pro) which appeared as already registered. I an using Windows Authentication as I installed it in mixed mode. Any ideas would be appreciated, many thanks paul

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  • Designing DAL in .NET to be "data-source independent" and not just "database independent" ?

    - by Munish Goyal
    How to design such flexible DAL (specifically in .NET) ? What interfaces .NET provides and what should be done on my own ? Its a greenfield project starting with SQL Server as data source but in future, parts of it will move to different NoSQL type of datastores. Also, we may need to experiment with lot of different datastores (like some data may have to go with Cassandra, some with RDBMS, some to other DHT etc.) Therefore easily switchable access layer will be needed. All i know right now is the 'data' and 'operations needed on that data'.

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  • Mimic an HTTPRequest and HTTPResponse object in Java

    - by Ankur
    How do I mimic an HTTPServletRequest and HTTPServletResponse object. The reason is I want to test the behaviour of some servlets. I know JUnit probably provides this functionality but I don't know how to use it (I will learn soon) and need to do this reasonably quickly. HTTPServletRequest and HTTPServletResponse are both interfaces so they can't be instantiated. There is a HttpServletRequestWrapper which implements HttpServletRequest but it doesn't seem to have any setParameter() type methods and HttpServletResponse doesn't seem to have any implementing classes at all. How can I test my code by passing a suitable HttpServletRequest object and then checking that the received HttpServletResponse object matches what I expect?

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  • Migrating from Forms to WPF

    - by Jason Williams
    We're considering migrating a WinForms app to WPF, but are just starting on the WPF learning curve now that 4.0 is out. What I'd like to do is migrate our application commands (cut, copy, paste, etc) to a WPF-like command-binding system, while still running as a WinForms app - but in such a way as to make the migration easy when we go ahead with WPF. The ideal approach would be to implement our commands using the WPF command interfaces, classes and events directly, and simply hooking the WinForms events up to them with our own dispatcher. Has anyone tried something like this or know if it might be possible?

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  • Java interface and abstract class issue

    - by George2
    Hello everyone, I am reading the book -- Hadoop: The Definitive Guide, http://www.amazon.com/Hadoop-Definitive-Guide-Tom-White/dp/0596521979/ref=sr_1_1?ie=UTF8&s=books&qid=1273932107&sr=8-1 In chapter 2 (Page 25), it is mentioned "The new API favors abstract class over interfaces, since these are easier to evolve. For example, you can add a method (with a default implementation) to an abstract class without breaking old implementations of the class". What does it mean (especially what means "breaking old implementations of the class")? Appreciate if anyone could show me a sample why from this perspective abstract class is better than interface? thanks in advance, George

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  • Good reasons why to not use XIB files?

    - by mystify
    Are there any good reasons why I should not use XIB / NIB files with an highly customized UI and extensive animations and super low memory footprint needs? As a beginner I started with XIB. Then I figured out I couldn't do just about everything in them. It started to get really hard to customize things the way I wanted them to be. So at the end, I threw all my XIBs away and did it all programmatically. So when someone asks me if XIB is good, I generally say: Yeah, if you want to make crappy boring interfaces and don't care too much about performance, go ahead. But what else could be a reason not to use XIB? Am I the only iPhone developer who prefers doing everything programmatically for this reasons?

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  • Graph diffing and versioning tool

    - by hashable
    I am working with a team that edits large DAGs represented as single files. Currently we are unable to work with multiple users concurrently modifying the DAG. Is there a tool (somewhat like the Eclipse SVN plugin) that can do do revision control on the file (manage timestamps/revision stamps) to identify incoming/outgoing/conflicting changes (Node/Link insertion/deletion/modification) and merge changes just like programmers do with source code files? The system should be able to do dependency management also. E.g. an incoming Link must not be accepted when one of the two Nodes is absent. That is, it should not "break" the existing DAG by allowing partial updates. If there is a framework to do this using generic "Node" and "Link" interfaces? Note: I am aware of Protege and its plugins. They currently do not satisfy my requirements.

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  • Cast MyEntity To LinqEntity throw a base controller class

    - by Mohammad Kani
    hi there i design a multilayer we appliction andusing LINQ a my data provider i need to user my own Entites instead o LINQ etities. so i created Entities Project and create my entities in it. when i get data from contex and cast them to my entities , everything is ok. but when i want to cast on of my entities to linq entity , an exception thrown. in my linq entity i add CTYPE operator from and to my entities Exp : Public Class BaseController(Of LinqEntity As {BaseEntity, New}, MyEntity As ModuleEntities.BaseEntityInfo) Implements Interfaces.Base(Of ServiceEntity) 'This methd work fine and cast LinqEntity to MyEntity Public Function GetAll() As List(Of MyEntity ) Dim q = (From x In Context.GetTable(Of LinqEntity)() _ Select x).Cast(Of MyEntityBase) End Function Public Sub Update(ByVal entity As MyEntity) 'here is problem 'cast , direct cast , or anything not work Dim x as LinqEntity = entity Me.Context.GetTable(Of LinqEntity).InsertOnSubmit(entity) Me.Context.SubmiChanges() End Sub

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  • How do I give a jQuery Element a fixed position on the page. In other words absolute positioning of a jQuery element.

    - by Stephanie
    <script type="text/javascript"> $(function() { $('a.StackedSystem').hover(function(e) { var html = '<div id="StackedSysteminfo">'; html += '<div id="StackedSystemTxt"> ETTER utilizes the latest technologies for our booster systems, including PLC-Based controls complete with touch-screen panel user interfaces (HMI). The base package includes the gray scale screen as shown; color screens are also available. The PLC not only provides a cleaner interface but provides additional features like automatic logging and time/date stamping of all alarms and shut-downs. Great for trouble-shooting.'; html += ''; $('body').append(html).children('#info').hide().fadeIn(400); }, function() { $('#StackedSysteminfo').remove(); }); });

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  • Interface injection in Spring Framework

    - by Aubergine
    There is article in here, however I am still in doubt, as some people keep confusing me. Doesn't Spring really support Interface injection at all? So what I want to clarify: setSomething(somethingInterface something); // this IS NOT interface injection, IT IS setter injection? Interface injection is when you just write `implements someExportedModuleInterface' and it configures it automatically? Could you please give an example of how this interface injection is done with Spring 'aware' interfaces? I am writing dissertation and I want to be sure what I am saying is not lie and correct.

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  • Creating own LiveWallpaperPreview?

    - by Nick
    Hi, I would like to create my own LiveWallpaperPreview, i.e. to show the user a fullscreen preview of what the selected Live Wallpaper looks like (without the "Set Wallpaper" and "Settings" button that the built-in preview has). Rebuilding the LivePicker-Class from 2.1 (android.git.kernel.org) works fine, so I am able to select a wallpaper to be previewed, but the actual LiveWallpaperPreview-Class tries to import the following private Interfaces/Classes: import android.service.wallpaper.IWallpaperConnection; import android.service.wallpaper.IWallpaperService; import android.service.wallpaper.IWallpaperEngine; import android.service.wallpaper.WallpaperSettingsActivity; Is there any way to display a LiveWallpaper in my app without resorting to using the private APIs (which I obviously don't want to do)? Thanks! Nick

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  • Composer does not find dependencies of vcs repository

    - by Michael Freund
    i've got a strange problem ... project-a is my main project. project-b is my library, checked in to subversion composer.json of project-b { "name": "fragger/baseclasses", "version" : "0.0.1-dev", "description": "Baseclasses and Interfaces", "require": { "silex/silex": "1.0.x-dev", "3rd-party/smarty": "3.*", "swiftmailer/swiftmailer": "4.2-dev" }, "autoload": { "psr-0": { "baseclasses": "src/" } } } and composer.json of project-b { "repositories" : [ { "type": "vcs", "url" : "svn+ssh://....." } ], "require": { "fragger/baseclasses": ">=0.0.1-dev" } } output of install command php composer.phar install Loading composer repositories with package information Installing dependencies Your requirements could not be resolved to an installable set of packages. Problem 1 - Installation request for fragger/baseclasses >=0.0.1-dev -> satisfiable by fragger/baseclasses dev-trunk. - fragger/baseclasses dev-trunk requires silex/silex 1.0.x-dev -> no matching package found. But a composer install in project a alone, works fine

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  • Develop an classic UI or be bold with a newer design?

    - by DeanMc
    Forgive me if this is the wrong place but I am curious as to how other programmers feel about this topic: I am currently working on my portfolio site, it is being designed and built in silverlight 4. I initially started off with a typical stylised e-folio theme much like a standard website in terms of layout and flow. As I work more in the concept stages something has struck me. Am I trying to shoe-horn yesterday into today? What I am talking about is UI expectations. I'm all for clean user interfaces but that does not mean they should not take advantage of new concepts in presentation right? If you where to develop a site in silverlight as your own portfolio piece would you stick to the tried and tested "website" feel or would you try to come up with a UI that is intuitive and complements the technology? I feel that UI discussions are all the more important now that all forms of web development are allowing better methods to engage the user.

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  • Will there be IQueryable-like additions to IObservable? (.NET Rx)

    - by Jason
    The new IObservable/IObserver frameworks in the System.Reactive library coming in .NET 4.0 are very exciting (see this and this link). It may be too early to speculate, but will there also be a (for lack of a better term) IQueryable-like framework built for these new interfaces as well? One particular use case would be to assist in pre-processing events at the source, rather than in the chain of the receiving calls. For example, if you have a very 'chatty' event interface, using the Subscribe().Where(...) will receive all events through the pipeline and the client does the filtering. What I am wondering is if there will be something akin to IQueryableObservable, whereby these LINQ methods will be 'compiled' into some 'smart' Subscribe implementation in a source. I can imagine certain network server architectures that could use such a framework. Or how about an add-on to SQL Server (or any RDBMS for that matter) that would allow .NET code to receive new data notifications (triggers in code) and would need those notifications filtered server-side.

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