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  • ISBN -> bookdata Lookup to fill in a database

    - by oxinabox.ucc.asn.au
    Ok, I wanting to database a small library. I've only had limmited experience with databeses, and vnone with queerying a websever. I'm going to want to retrieve information like title, Publisher, maybe author, desciption the simplest way i can think of dooing this is looking them up via the isbn. I'm wondering how I should go about doing this. I've coma across isbndb.com before, but the api for accessing it seems rather complex.

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  • Is choiceMode compatible with ExpandableListView?

    - by kostmo
    Is it possible to make a multiple choice list with android:choiceMode="multipleChoice" or setChoiceMode(ListView.CHOICE_MODE_MULTIPLE) on an ExpandableListView? I am able to do this with CheckBoxes on a plain ListView, but it doesn't seem to be working with ExpandableListView. In the latter, clicking the list item (either parent or child) does not affect the checkbox as it does in the former. I have noticed that it is possible to click exactly on the checkbox to make it toggle, but this is a very small target.

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  • An EventBus framework for Android

    - by Benju
    Can anybody recommend a good framework for handling events in Android? These would be business logic events like UserUpdatedEvent. I am looking for something similar to the EventBus provided by GWT-EVENT but for a JVM that supports weak-references.

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  • how design architecture of .NET CF WinForm?

    - by MicTech
    I'm starting with .NET CF WinForm application and I have some experience with .NET WinForm. What is better for UI, form for each dialog or one form and changing user controls on that form? I'm asking for that, because screen on mobile devices are very small and I designed more then ten different screens for my application.

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  • Unable to cast object of type MyObject to type MyObject

    - by Robert W
    I have this scenario where a webservice method I'm consuming in C# returns a Business object, when calling the webservice method with the following code I get the exception "Unable to cast object of type ContactInfo to type ContactInfo" in the reference.cs class of the web reference Code: ContactInfo contactInfo = new ContactInfo(); Contact contact = new Contact(); contactInfo = contact.Load(this.ContactID.Value); Any help would be much appreciated.

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  • C# immutable object usage best practices? Should I be using them as much as possible?

    - by Daniel
    Say I have a simple object such as class Something { public int SomeInt { get; set; } } I have read that using immutable objects are faster and a better means of using business objects? If this is so, should i strive to make all my objects as such: class ImmutableSomething { public int SomeInt { get { return m_someInt; } } private int m_someInt = 0; public void ChangeSomeInt(int newValue) { m_someInt = newvalue; } } What do you reckon?

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  • WPF XAML ComboBox Width

    - by griegs
    I have the following xaml with all the binding removed; <StackPanel Grid.Row="2" Grid.Column="1" Orientation="Horizontal" HorizontalAlignment="Left" Height="20"> <ComboBox x:Name="ddlDay" Width="30"/> If I set the width of the combobox to 200 it works but if I set it to 50 it doesn't size past the default. I'm kinda new to xaml so is this default behavior or what do I do to make the combobox small?

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  • How to know if a graphics card provides hardware rendering for wpf

    - by happyclicker
    I have to run a wpf-app in an environment that has all the same dell-pc's with an intel gma 3000 graphics chip (onbard, Q963/Q965). The app renders only with software rendering (Stated so by the RenderCapability.Tier-property (it says the rendering tier is 0!) and I also see this with Perforator). On all of this machines, DirectX 9c is installed and DXDiag states on many but not on all of this machines, that Direct-3d and Direct-Draw-acceleration is activated. I checked also the registry if the setup of these machines disabled wpf-hw rendering but that's also not the case. On one machine I also updated the video-driver and dx with no success. I found a lot of ressources that say, that directX must be installed and active, so that wpf does not use its own software renderer but uses the DirectX HW-Rendering. But on the above machines, DX9c is installed but there is no hw rendering. May it be that wpf uses dx-graphicscards but does the communication with the graphics card direct and not over dx? How can I find out if a specific graphics-chip has to support hardware rendering for wpf or not. The statement that the graphics card must support dx 9c seems not to be the only condition. The second question is, if wpf renders through dx, is this done through direct-3d or is direct-draw used. Is there any good documentation on this topic?

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  • silverlight Socket: Unhandled Error in Silverlight Application An attempt was made to access a sock

    - by Yang
    I basically try to reproduce the Socket example from here: http://www.silverlightshow.net/items/Sockets-and-their-implementation-in-SL2-Beta-1-including-a-chat-like-example.aspx I only made a small change in the client side, i.e., String safeHost = "127.0.0.1"; int port = 4509; Then I got this permission error? Any idea why? Unhandled Error in Silverlight Application An attempt was made to access a socket in a way forbidden by its access permissions.

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  • WCF doesn't find client configuration

    - by ultraman69
    Hi ! I have a WCF service on server B. Then on the machine A is the client, which is a Windows service. In a separate dll stands all the business logic for this service. So my proxy for the WCF is on that side. I have 2 app.config (client side only) : 1 for the service and another one in the dll. So I tried (for test purpose) puting the servicemodel config section in both. Both still, it doesn't work, it says that it can't find the endpoint with that name and for that contract... What I'm trying to do here is modify the configuration programatically. Here' the code in the business layer dll : Dim ep As New EndpointAddress(New Uri(ConfigurationManager.AppSettings(nomServeurCible)), _ EndpointIdentity.CreateDnsIdentity(ConfigurationManager.AppSettings("Identity_" & nomServeurCible))) serviceCible = New ServiceProxy.ExecOperClient("wsHttp", ep) And here is a sample of the config file : <add key="TEST1" value="http://TEST1:8000/MySpacePerso/ExecOperService"/> <add key="TEST1_CertificateSerialNumber" value="10 hj 6y 7b 00 01 32 12 01 21"/> <add key="Identity_TEST1" value="TEST1"/> <system.serviceModel> <client> <endpoint address="http://SERV_NAME:8000/CSSTQDA/ExecOperService" binding="wsHttpBinding" behaviorConfiguration="myClientBehavior" bindingConfiguration="MybindingCon" contract="ExecOper.Service.IExecOper" name="wsHttp"> <identity> <dns value="SERV_CERT_NAME"/> </identity> </endpoint> </client> <bindings> <wsHttpBinding> <binding name="MybindingCon"> <security mode="Message"> <message clientCredentialType="UserName" /> </security> </binding> </wsHttpBinding> </bindings> <behaviors> <serviceBehaviors> <behavior name="ServiceTraitementBehavior"> <serviceMetadata httpGetEnabled="True"/> <serviceDebug includeExceptionDetailInFaults="True" /> </behavior> </serviceBehaviors> <endpointBehaviors> <behavior name="myClientBehavior"> <clientCredentials> <serviceCertificate> <authentication certificateValidationMode="ChainTrust" revocationMode="NoCheck"/> </serviceCertificate> </clientCredentials> </behavior> </endpointBehaviors> </behaviors>

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  • Validating method arguments with Data Annotation attributes

    - by schemer
    The "Silverlight Business Application" template bundled with VS2010 / Silverlight 4 uses DataAnnotations on method arguments in its domain service class, which are invoked automagically: public CreateUserStatus CreateUser(RegistrationData user, [Required(ErrorMessageResourceName = "ValidationErrorRequiredField", ErrorMessageResourceType = typeof(ValidationErrorResources))] [RegularExpression("^.*[^a-zA-Z0-9].*$", ErrorMessageResourceName = "ValidationErrorBadPasswordStrength", ErrorMessageResourceType = typeof(ValidationErrorResources))] [StringLength(50, MinimumLength = 7, ErrorMessageResourceName = "ValidationErrorBadPasswordLength", ErrorMessageResourceType = typeof(ValidationErrorResources))] string password) { /* do something */ } If I need to implement this in my POCO class methods, how do I get the framework to invoke the validations OR how do I invoke the validation on all the arguments imperatively (using Validator or otherwise?).

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  • Internet Explorer cannot 'fully' load ActiveX Control

    - by K Browne
    Context I am migrating an installer for an ActiveX control from Per-Machine to Per-User. I did this by programming the installer write to HKCU\Software\Classes instead of HKLM\Software\Classes. Problem On my machine (Windows 7 with UAC Enabled), the ActiveX control successfully loads. On the other windows 7 test machines (one with UAC enabled, one with UAC disabled), the control 'partially' loads. What is Partially? When a user visits a page with the ActiveX control, Internet Explorer displays a warning message in a yellow bar on the top of the window. If you click the 'Run add-on' button in the bar, the control becomes visible and begins to run, but Javascript code that tries to access properties of the control return the error: Library not registered. Differences between machines On the dev machine reads from HKCR\CLSID\<GUID> succeed while on the test machines these reads fail. Reads from HKCU succeed on both dev and test machines. Reads from HKLM fail on both test and dev machines. (I collected reads using Sysinternals Process Monitor) Strangely, the keys that Internet Explorer fails to read are clearly visible if I use regedit to view HKCR\CLSID\<GUID> on the test machines. Question What can I do to get the per-user control to load on the test machines? What could cause this difference between the dev machine and the test machines? Why can I see the key in HKCR with RegEdit but Internet Explorer cannot see the key? Any help is appreciated. Thank you.

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  • What is the maximum sandbox size on iPad?

    - by John Alexander
    I'm writing an iPad app that acts as a media player (video and photos). I know there is a 2GB size limit on apps, however is this the size limit on an app when downloaded? Or the limit on the size of your sandbox throughout the life of the app? For example what if my small app later on downloads various media files to its sandbox that put the user over 2GB total (app + downloaded media)? Thanks!

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  • What is your custom exception hierrarchy?

    - by bonefisher
    My question is: how would you create exception hierarchy in your application? Designing the architecture of an application, from my perspective, we could have three types of exceptions: the built-in (e.g.: InvalidOperationException) custom internal system faults (DB transaction failed on commit, DbTransactionFailedException) custom business exceptions (BusinessRuleViolationException) Class hierarchy: Exception MyAppInternalException DbTransactionFailedException MyServerTimeoutException ... MyAppBusinessRuleViolationException UsernameAlreadyExistsException ... where only MyAppInternalException & MyAppBusinessRuleViolationException would be catched.

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  • What is a simple way to get ACID transactions with persistence on the local file system (in Java)?

    - by T.R.
    I'm working on a small (java) project where a website needs to maintain a (preferably comma-separated) list of registered e-mail addresses, nothing else, and be able to check if an address is in the list. I have no control over the hosting or the server's lack of database support. Prevayler seemed a good solution, but the website is a ghost town, with example code missing from just about everywhere it's supposed to be, so I'm a little wary. What other options are recommended for such a task?

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  • Better languages than SQL for stored procedures

    - by Ken Paul
    I'm getting increasingly frustrated with the limitations and verbosity required to actually commit some business logic to stored procedures, using languages such as Transact-SQL or PL/SQL. I would love to convert some current databases to Oracle and take advantage of its support for Java stored procedures, but that option is not available at the moment. What alternatives would you recommend in the way of databases that support stored procedures in other languages?

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  • Free SQL formatter tool

    - by Sujee
    Hi, is there any free SQL formatter tool? I am using http://www.sqlinform.com/ for small queries. It is very good. But free version supports only 100 lines. TORA has the feature but it has many issues and I can not customize everything. Any free Eclipse plugins for this?

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  • Application framework building

    - by Muhammad Umar Siddique
    Hi I was looking to build a Data Access Layer for my new web based application, I'm using ASP.NET. I'm want to build a framework not only for this application but also want to utilize it for my future projects. Actually my main aim is to make a framework, from DAC, DAL, BL to GUI. I want suggestions from you guys that what should i adopt, what give me flexibility, which suits for both small and large size applications. Thanks in advance.

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  • Framework for iPhone wait screens

    - by 4thSpace
    I ran across a small framework some time back that someone put together for iPhone wait screens. But now I can't find any trace of it. Does anyone have a link to it? It may not be a framework as much as a few code snippets. But the guy had it all pre-made. You just needed to implement and specify the type of wait screen you wanted.

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  • Update RHEL 5.1 to 5.4

    - by Rayne
    Hi all, I have a server currently running RHEL 5.1, and I would like to upgrade it to RHEL 5.4. The server is not connected to the Internet, so I don't think I can use "yum update". How would I be able to upgrade my server, and is it just a small-scale upgrade, like Windows patches, leaving everything on the server intact, or would it delete everything that was on the server? Thank you. Regards, Rayne

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  • Web Services API Versioning

    - by Paul Izzy
    I offer a small Web Services API to my clients which I plan to evolve over time. So I need some sort of versioning, but I can't find any information about how you do something like that. Is there a best practise? How can I keep adding new functionality without breaking compatibility with the web services consumers?

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  • How do I get the URLs from any tab in any open browser

    - by Kasper
    I am trying to detect which web in sharepoint that the user is looking at right now. One approach could be to read the URls from the browser and try to compare them to a reference URL to the sharepoint solution. I have not yet been able to locate any solution that works in both IE and Firefox. The idea is to write a small C# app that will harvest the URLs and do the comparing. TIA

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  • Always center UIView

    - by bresc
    Hi, I have a small UIView that should appear always in the center of the screen. This works great for portrait mode but does not in landscape. To draw the UIView I use: myView.frame = CGRectMake((visibleArea.size.width - MY_VIEW_WIDTH) / 2, (visibleArea.size.height - MY_VIEW_HEIGHT) / 2, MY_VIEW_WIDTH, MY_VIEW_HEIGHT); myView.autoresizingMask = ( UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin ); Any ideas what might be missing?

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