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  • why does vb not support multiple inheritance?

    - by isolatedIterator
    I've seen some discussion on why c# does not implement multiple inheritance but very little as to why it isn't supported in vb. I understand that both c# and vb are compiled down to intermediary language and so they both need to share similar restrictions. The lack of multiple inheritance in VB seems to have been given as one reason for the lack of the feature in dot net. Does anyone know why VB doesn't support multiple inheritance? I'm hoping for a bit of history lesson and discussion on why this was never considered for VB.

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  • How to add View to Gallery?

    - by sunil
    Hi, I have multiple ListViews and would like to add those to Gallery. I tried with addView but it is not supported since Gallery view is an AdapterView. Can someone let me know how to go about it? Regards Sunil

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  • Portability of pthreads-win32 over various compilers.

    - by Artyom
    Hello, I'm using pthreads-win32 for portable threading support for windows. At least, according to the documentation pthreads-win32 should work with MSVC and even MSVC builds provided. But I don't know if the library is tested with latest MSVC compilers like MSVC-2008 and if it is supported under 64bit windows. Does anybody aware of any issues with this library? Note: Do not even try to recommend using Boost.Thread, I'm not interested in. And I'm familiar with Boost.Thread library

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  • Filter Django Haystack results like QuerySet?

    - by prometheus
    Is it possible to combine a Django Haystack search with "built-in" QuerySet filter operations, specifically filtering with Q() instances and lookup types not supported by SearchQuerySet? In either order: haystack-searched -> queryset-filtered or queryset-filtered -> haystack-searched Browsing the Django Haystack documentation didn't give any directions how to do this.

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  • PowerShell Cmdlet Parameters and Inheritance

    - by Adam Driscoll
    I have an interface: public interface X {} I have a class: public class Y : X {} I have one cmdlet: [Cmdlet("Get", "Y")] public class GetYCmdlet : PSCmdlet { protected override void ProcessRecord() { WriteObject(new Y()); } } I have another cmdlet: [Cmdlet("Set", "X")] public class SetYCmdlet : PSCmdlet { [Parameter] public X SomeObj {get;set;} } When I do this: $y = Get-Y Set-X -SomeObj $y I get this: Could not convert "Y" to "X". Method not supported. Any ideas?

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  • Simulating MySQL's ORDER BY FIELD() in Postgresql

    - by Peer Allan
    Hello all, Just trying out Postgresql for the first time, coming from MySQL. In our Rails application we have a couple of locations with SQL like so: SELECT * FROM `currency_codes` ORDER BY FIELD(code, 'GBP', 'EUR', 'BBD', 'AUD', 'CAD', 'USD') DESC, name ASC It didn't take long to discover that this is not supported/allowed in Postgresql. Does anyone know how to simulate this behaviour in Postgres or do we have to pull to sorting out into the code? Thanks Peer

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  • Singleton class in DLL used on multiple virtual directories

    - by Drejc
    I have the following situation: multiple virtual directories under same application pool in IIS copy of same DLL in all those directories (same version number) a singleton class in one in this DLL The question is, is this singleton class created only once for all those Virtual Directory instances or is there for each of there one singleton class. The code looks something like this: [ Transaction(TransactionOption.Supported), ClassInterface(ClassInterfaceType.AutoDispatch), Guid("7DE45C4D-19BE-4AA4-A2DA-F4D86E6502A8") ] public class SomeClass { private static readonly Singleton singleton = new Singleton();

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  • Display custom file format's metadata in Windows Explorer

    - by Benny Jobigan
    When viewing a jpg or mp3 in Windows Explorer, the bottom pane shows metadata from the media file. Furthermore, for video and picture, the icon is shown as a preview of the media. Is there a way to add this kind of functionality to windows for custom file types that aren't supported by default in windows? Is there a certain sort of plugin or extension that must be written? If so, how is it implemented? Thank you.

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  • multiple inheritence in OOPS

    - by user145610
    Hi, Im confused about OOPS feature esp about multiple inheritance. Is OOPS allows Multiple Inheritance. Is Multiple Inheritance is a feature of OOPS. If Multiple Inheritance is feature then languages like C#,VB.NET,java etc doesn't support multiple inheritance.But those languages are considered as strongly supported OOPS language. Can anyone address this question

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  • Is it possible to pop open the upload file dialog without requiring the user to press Browse?

    - by superjoe30
    I think I've seen Gmail do it in Chrome or Internet Explorer, but I've never seen it in Firefox. I thought I'd ask anyways. Is it possible to do a file upload without requiring an <input type="file" />? I see that you can use iframes to automatically submit the file input, so my question is Can you programmatically pop up a file upload dialog? If so, what browsers is it supported on?

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  • How to verify a jQuery plugin is compatible with latest version of jQuery?

    - by jedatu
    Are there any tools that can verify whether a jQuery plugin will be compatible with the latest version of jQuery? Once a large number of jQuery plugins are selected and in use, an unknown number of dependencies can develop. It would be nice to upgrade jQuery, however not all plugins remain supported or provide consistently architected upgrades. The only option seems to be adhoc manual regression testing. It would be nice to have a strategy for dealing with this issue.

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  • How can I use pywin32 with a virtualenv without having to include the host environment's site-packag

    - by jkp
    I'm working with PyInstaller under Python 2.6, which is only partially supported due to the mess MS have created with their manifest nonense which now affects Python since it is now MSVC8 compiled. The problem is that the manifest embedding support relies on the pywin32 extensions in order to build which is a pain because without including the host's site-packages folder when I create the virtualenv (kinda defeats the point in a build environment) I cannot find a way to install the required extensions so they are accessible to PyInstaller. Has anyone found a solution to this issue?

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  • how to install clearcase 7.1.1

    - by Gandalf StormCrow
    I've been googling for a while now, I found some not complete tutorials how to install CC 7.1.1 like this one : https://publib.boulder.ibm.com/infocenter/cchelp/v7r1m0/index.jsp?topic=/com.ibm.rational.clearcase.cc_ms_install.doc/topics/t_install_ccrc_eclipse.htm Which update site do I add in eclipse to install 7.1.1 ? I need this particular version because it is only one supported in windows 7

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  • what localization changes are needed for Arabic with Java Applet

    - by Tom
    How big task is it to implement support for Arabic localization, our Java 1.5 Applet was designed as fully localizable (european languages) but now we plan to add also arabic as a new language. We are using custom GUI text i/o components inherited from Component class using e.g. Drawstring, how well is arabic supported within Component class ? The keyboard input is done with KeyListener getKeyChar, getKeyCode etc.

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  • Can you do Logic Programming in Scala?

    - by Alex R
    I read somewhere that Pattern Matching like that supported by the match/case feature in Scala was actually borrowed from Logic languages like Prolog. Can you use Scala to elegantly solve problems like the Connected Graph problem? e.g. https://www.csupomona.edu/~jrfisher/www/prolog_tutorial/2_15.html

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  • Change imported Dll name ?

    - by Rajakumar
    hi to all , In a Portable-Executable ,we can change the imported dll name ,by editing PE file , here , i had changed in one imported dll name of application exe,that time it changed normally ....e.g advapi32.dll to ^dvapi32.dll ,so here system32 or any other PATH location doesnt have ^dvapi32.dll ..this time simply i changed the real advapi32.dll into ^dvapi32.dll and put in the application directory ,this time its work fine ....but when i am trying with ntdll & gdi32.dll ,it doesnt supported ,i cant resolve the problem ,pls help me towards the problem ..thanks.

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  • Compile a COM program

    - by Fantomas
    Can COM program be 32 bit? How can I compile COM program? I have TLINK32 and TASM32. tasm32 \t alex_7.asm pause tlink32 alex_7.obj pause td32 main.exe I ve got following error: Fatal: 16 bit segments not supported in module alex_7.asm I habe DOSBOX and I'am running Windows 7 x64

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  • Removing X-Powered-By

    - by Castor
    How can I remove X-Powered-By header in PHP? I am on an Apache Server and I use php 5.21. I can't use the header_remove function in php as it's not supported by 5.21. I used Header unset X-Powered-By, it worked on my local machine, but not on my production server. If php doesn't support header_remove() for ver < 5.3, is there an alternative?

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  • Select most recent records using LINQ to Entities

    - by begemotya
    I have a simple Linq to Enities table to query and get the most recent records using Date field So I tried this code: IQueryable<Alert> alerts = GetAlerts(); IQueryable latestAlerts = from a in alerts group a by a.UpdateDateTime into g select g.OrderBy(a = a.Identifier).First(); Error: NotSupportedException: The method 'GroupBy' is not supported. Is there any other way to get do it? Thanks a lot!

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