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  • How does LinqPad support WCF Data Services?

    - by user341127
    LinqPad supports WCF Data Services. If you assign an URL, such as http://services.odata.org/Northwind/Northwind.svc/. It will list all available data objects and you can query them. I guess LinqPad generates all available data classes at run time by reflection.Emit. I am wondering who can show me to how to do so. Or maybe someone has done it before. Any feedback are appreciated. Ying

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  • Using unmanaged code from managed code

    - by Harsha
    Hi I have my project developed in MFC which is unmnaged code. Now i need to create a similar application in C#, by reusing most of the MFC classes. Is it possible to directly export class/struct/enum from MFC dll, so that i can import it in my C# using dllimport and use it.?

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  • Qt 4.6 OpenGL GLSL

    - by Zeke
    I'm trying to find like NeHe's tutorials for Qt that are all in GLSL. Because lets face it, OpenGL in the old days are dead and Shaders are the only way now. And with Qt-4.6 they introduced the QMatrix4x4, QVector3, and the Shader classes. But I cannot find any tutorials for this. All the ones I do find, all use crappy SDL and/or GLUT (Which are just plain useless).

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  • Changing startup object of console application at runtime

    - by MicMit
    Assuming I've got several unrelated classes in separate files with a main method in each. Currently project is a console application and I just change a startup object in IDE to run respective main which instantiates respective class from IDE. Out of curiosity would it be possible to change the startup object dynamically at runtime somehow before launching this exe as an alternative of having this project as a class library and repeating code which I have in main(s) somewhere else.

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  • CPropertySheet and CPropertyPages are appear in white color

    - by Gopalakrishnan Subramani
    I have created a simple propertySheet(CPropertySheet) and a couple of CPropertyPage derived classes. While running the application, the ProperySheet, Page and tabs are appeared in white color. I was expecting them to be like normal widow dialog color. Any clue to make the property sheet, pages background to be like other normal MFC dialogs appears? I use Visual Studio 2008 MFC without .NET CLR.

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  • Ruby on Rails: models that do not have a table

    - by randombits
    What's the best way to create a model in Ruby on Rails that doesn't have an underlying implementation in as far as a database table goes? It's very common to write classes that perform behavior on a particular problem domain, yet can use some of the benefits that ActiveRecord has such as validation. Is it best to just create it as a module or helper? What is the best practice here?

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  • Any tutorial on Qt SOAP

    - by Eye of Hell
    Hello. Qt library provides a classes to work with SOAP in qt components. Unfortunately, it's not a part of 'core' Qt and is not well documented. Is it any tutorials / guides/ examples awailable i can use as starting point to learn QtSoap? I want to create a very simple SOAP client for JIRA.

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  • Pixel bender shaders with multiple outputs in flash?

    - by sold
    According to the pixel bender specs a shader can have one or more outputs. The pixel bender toolkit, whose "export to flash" option tends to be preety strict about the flash specific do's and dont's, would even compile such a shader without complaints. However actionscript's shader related classes seem to be geared toward single output shaders. Is there any way to have multiple shader outputs in flash?

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  • Floating point inaccuracy examples

    - by David Rutten
    How do you explain floating point inaccuracy to fresh programmers and laymen who still think computers are infinitely wise and accurate? Do you have a favourite example or anecdote which seems to get the idea across much better than an precise, but dry, explanation? How is this taught in Computer Science classes?

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  • UDK: Error, Unrecognized member 'OpenMenu' in class 'GameUISceneClient'

    - by Ricket
    Upon compiling, I am getting the following error: C:\UDK\UDK-2010-03\Development\Src\FixIt\Classes\ZInteraction.uc(41) : Error, Unrecognized member 'OpenMenu' in class 'GameUISceneClient' Line 41 is the following: GetSceneClient().OpenMenu("ZInterface.ZNLGWindow"); But when I search for OpenMenu, I find that it is indeed defined in GameUISceneClient.uc of the UDK: Line 1507: exec function OpenMenu( string MenuPath, optional int PlayerIndex=INDEX_NONE ) It looks like I have everything correct. So what's wrong? Why can't it find the OpenMenu function?

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  • $(document).ready() and partial view load

    - by user252160
    I am developing an application using Asp.net mvc and jquery. I'd like to use the same naming convention (classes and ids) for html elements in different views. In case when I want to load a partial view asynchronously, the $(document).ready() piece of code in the main view loses its usefulness because none of the patial view's html tags and css naming is recognized by jquery. I certainly do not want to write the same code for every view. What's th ebest way to solve this issue?

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  • Silverlight DataPager localization

    - by gius
    Is it possible to localize DataPager's footer (Page X of Y) in Silvelright? The strings seem to be located in resources embedded in the assembly of DataPager. So how should I localize it? Unfortunately, almost nothing in the DataPager class is virtual and also many internal classes are used by it, so it is not possible (at least easily) to inherit DataPager and override the behavior.

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  • Getting no class def found error. Log4J -> Java

    - by Nitesh Panchal
    Hello, I created a simple web application and added log4J's jar in my lib folder and it seems to work fine. Then i created a Ejb module and did the same thing of adding jar file in my classpath, but i am getting this error :- Caused by: javax.ejb.TransactionRolledbackLocalException: Exception thrown from bean: java.lang.NoClassDefFoundError: org/apache/log4j/Logger at com.sun.ejb.containers.BaseContainer.checkExceptionClientTx(BaseContainer.java:4929) at com.sun.ejb.containers.BaseContainer.postInvokeTx(BaseContainer.java:4761) at com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:1955) ... 94 more Caused by: java.lang.NoClassDefFoundError: org/apache/log4j/Logger at common.Utils.getRssFeed(Utils.java:128) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.glassfish.ejb.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1052) at org.glassfish.ejb.security.application.EJBSecurityManager.invoke(EJBSecurityManager.java:1124) at com.sun.ejb.containers.BaseContainer.invokeBeanMethod(BaseContainer.java:5243) at com.sun.ejb.EjbInvocation.invokeBeanMethod(EjbInvocation.java:615) at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:797) at com.sun.ejb.EjbInvocation.proceed(EjbInvocation.java:567) at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.doAround(SystemInterceptorProxy.java:157) at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.aroundInvoke(SystemInterceptorProxy.java:139) at sun.reflect.GeneratedMethodAccessor102.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.sun.ejb.containers.interceptors.AroundInvokeInterceptor.intercept(InterceptorManager.java:858) at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:797) at com.sun.ejb.containers.interceptors.InterceptorManager.intercept(InterceptorManager.java:367) at com.sun.ejb.containers.BaseContainer.__intercept(BaseContainer.java:5215) at com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:5203) at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:190) ... 92 more I don't even have any other version of log4j in classpath. Any idea why is this error coming? Actually first i created a Enterprise application and everything seemed to work fine. But then, i copied files from my enterprise application's ejb module to a separate module and since then these errors are coming. This is in my build-impl.xml :- <target depends="compile" name="library-inclusion-in-archive"> <copyfiles files="${libs.Log4J.classpath}" todir="${build.classes.dir}"/> </target> <target depends="compile" name="library-inclusion-in-manifest"> <copyfiles files="${libs.Log4J.classpath}" todir="${dist.ear.dir}/lib"/> <manifest file="${build.ear.classes.dir}/META-INF/MANIFEST.MF" mode="update"/> </target> Don't know why is this pointing to ear instead of jar. Is there any problem with the above statement? How do i resolve this? I am using Netbeans 6.8 Thanks in advance :)

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  • Modelling class realtions

    - by phenevo
    Hi, I have a few classes: Article: Content, ID, Magazine: Name Code, And 3 tables in database: Articles, Magazines and ArticlesinMagazines (two fields: IDArticle and CodeMagazine) In App, I've got module to manage Articles, and datagridview to relate their with magazines DataGridView has twofields: MagazineCode, IsPublished. The same article can be in many magazines (1:n) How would you implement on model ? Article have to has a field : List ?? I concern because Magazine associates articles

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  • php server talk

    - by abb
    How can I enable talk or speech on my PHP Server? Is there a language that has speech-classes that could help me, or do I need to use a text-to-speech engine?

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  • Tips on a tool to measure code quality?

    - by Cristi Diaconescu
    I'm looking for a tool that can provide code quality metrics. For instance it could report very long functions (spaghetti code) very complex classes (which could contain do-it-all code) ... While we're on the (subjective:-) subject of code quality, what other code metrics would you suggest? I'm targetting C#/.NET code, but I'm sure this could extend to most programming languages.

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  • avoid the use of 'mixed=true' in xml schema

    - by Ralph Kretzler
    I am using xjc to convert a schema to java classes. When I am using mixed=true in the schema I am losing the access method for child nodes instead there is a single general content access method. Is there a way to rewrite the schema without using mixed=true. There is no way that I can change the xml so I have to customize the schema. Schema XML camera or camera Thanks, Ralph

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  • cset as non-root to set cpu affinity for running processes

    - by RaveTheTadpole
    I've been playing with cset to set cpu affinity for running processes. I'm recreating the built-in "shield" function manually with set and proc, to add some subsets for specific threads of my application. I have a bash script that is calling cset to create the sets, and move the correct threads to the correct sets. It works when run with sudo. Now I'd like to make this script executable by another user, who does not have sudo powers. I trust this user enough to be responsible with cset, but don't want to open up the wide powers of root. I thought that CAP_SYS_NICE -- which is needed for sched_setaffinity, which I just assume cset must use -- on the script would be sufficient, but that didn't work. I tried extending CAP_SYS_NICE to the cset program (which is a thin python wrapper for the cset python library). No dice. The output of cap_to_text on my CAP_SYS_NICE'd scripts is "=cap_ipc_lock,cap_sys_nice,cap_sys_resource+eip" (it has ipc_lock and sys_resource for other reasons; I think only sys_nice is relevant). Any ideas?

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  • org-mode schedule weekly event for a period.

    - by Hamza Yerlikaya
    I would like to use agenda to keep track of my classes, assuming i have a com 355 class every week from march to june, <2010-03-23 Tue 10:40-12:10 +1w> this works but it schedules it indefinitely if i use, <2010-03-23 Tue 10:40-12:10 +1w>-<2010-06-23> it gets scheduled for everyday from march to june, how can i schedule this once a week for a period of time?

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  • JQuery removeClass wildcard

    - by Jasie
    Is there any easy way to remove all classes matching, for example, color-* so if I have an element: <div id="hello" class="color-red color-brown foo bar"></div> after removing, it would be <div id="hello" class="foo bar"></div> Thanks!

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  • Entity Attribute Value Database vs. strict Relational Model Ecommerce question

    - by Dr. Zim
    It is safe to say that the EAV/CR database model is bad. That said, Question: What database model, technique, or pattern should be used to deal with "classes" of attributes describing e-commerce products which can be changed at run time? In a good E-commerce database, you will store classes of options (like TV resolution then have a resolution for each TV, but the next product may not be a TV and not have "TV resolution"). How do you store them, search efficiently, and allow your users to setup product types with variable fields describing their products? If the search engine finds that customers typically search for TVs based on console depth, you could add console depth to your fields, then add a single depth for each tv product type at run time. There is a nice common feature among good e-commerce apps where they show a set of products, then have "drill down" side menus where you can see "TV Resolution" as a header, and the top five most common TV Resolutions for the found set. You click one and it only shows TVs of that resolution, allowing you to further drill down by selecting other categories on the side menu. These options would be the dynamic product attributes added at run time. Further discussion: So long story short, are there any links out on the Internet or model descriptions that could "academically" fix the following setup? I thank Noel Kennedy for suggesting a category table, but the need may be greater than that. I describe it a different way below, trying to highlight the significance. I may need a viewpoint correction to solve the problem, or I may need to go deeper in to the EAV/CR. Love the positive response to the EAV/CR model. My fellow developers all say what Jeffrey Kemp touched on below: "new entities must be modeled and designed by a professional" (taken out of context, read his response below). The problem is: entities add and remove attributes weekly (search keywords dictate future attributes) new entities arrive weekly (products are assembled from parts) old entities go away weekly (archived, less popular, seasonal) The customer wants to add attributes to the products for two reasons: department / keyword search / comparison chart between like products consumer product configuration before checkout The attributes must have significance, not just a keyword search. If they want to compare all cakes that have a "whipped cream frosting", they can click cakes, click birthday theme, click whipped cream frosting, then check all cakes that are interesting knowing they all have whipped cream frosting. This is not specific to cakes, just an example.

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  • Resources for latex beamer

    - by manugupt1
    I am learning latex right now as a hobby and was working on beamer classes. What I would like to know is how to create your own themes for beamer. Can you please point out some good resources which would help me do it..I googled but could not really find some

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