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• How to fetch managed objects sorted by calculated value

  - by Marcin Zbijowski

  Hello, I'm working on the app that uses CoreData. There is location entity that holds latitude and longitude values. I'd like to fetch those entities sorted by distance to the user's location. I tried to set sort descriptor to distance formula sqrt ((x1 - x2)^2 + (y1 - y2)^2) but it fails with exception "... keypath ... not found in entity". …

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• how to create a auto-incremented attribute in xcode managed object model

  - by Mausimo

  Hey, what i want to do is to make a int that will be the ID of the entity and auto increment itself whenever a new entity is added (just like a SQL identity property). Is this possible? i tried using indexed (checked on attribute) however there is no description to what indexed even does. EDIT: I am adding annotations to a map, when you…

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• how to create a auto-incramented attribute in xcode managed object model

  - by Mausimo

  Hey, what i want to do is to make a int that will be the ID of the entity and auto increment itself whenever a new entity is added (just like a SQL identity property). Is this possible? i tried using indexed (checked on attribute) however there is no description to what indexed even does.

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• EJB container managed threading model

  - by sof

  Any good source/links or concise explaination about it? Thanks a lot!

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• DNS: forward part of a managed domain to one host, but sub domain services to another (Google Apps)

  - by Paul Zee

  I was going to post this as a comment against DNS: Forward domain to another host, but I don't seem able to do that. I'm in a similar situation. I have a DNS registered/managed by enom, except with the slight twist that the domain was originally registered with enom through a Google Apps account creation. The domain currently supports a…

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• ASP.Net 2.0 Web application cannot find specified module.

  - by Brian Walker

  Recently my ASP.NET application quit working. It is local to my machine. It quit working after installing and uninstalling some third party developer tools. (I believe) I emptied out my directory and started adding modules until I narrowed it down to a managed C++ dll. When I load the dll into Dependency Walker it says that…

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• Wrapping unmanaged C++ with C++/CLI - a proper approach.

  - by Jamie

  Hi there, as stated in the title, I want to have my old C++ library working in managed .NET. I think of two possibilities: 1) I might try to compile the library with /clr and try "It Just Works" approach. 2) I might write a managed wrapper to the unmanaged library. First of all, I want to have my library working FAST, as…

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• Public Cloud, co-location and managed services ... what is the cloud?

  - by llaszews

  Recently I have had conversation with a number of people that are selling and implementing 'cloud' solutions. I put cloud in quotes as implementations like co-location (aka co-lo) and managed services (sometimes referred to as 'your mess for less') have become popular options for companies moving to the cloud. These are…

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• How long do managed gigabit ethernet switches take to boot up?

  - by Warren P

  One critical drawback that I have found in researching managed-switches, and one that I have some past experience with is that anything with "lots" of firmware is going to have lots of issues associated with that firmware. We are in the middle of researching rackmount gigabit switches (48 port). It looks like for 48…

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• How can I get the real Emailaddress of a recipient?

  - by Boas Enkler

  a user in out Company has 2 mail-addresses on one Exchange-Mailbox. e.g test@... and test1@... the Primary SMTP-address off the Mailbox is test@. If I send a message to test1@, load it using EWS and parse through the TORecipients-Collection there is exactly one emailadress. But the mailaddress EWS gives to me is test@...…

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• Do Managed/Unmanaged Switch Really need to have their Cabinets/Racks?

  - by Googooboyy

  Hi guys, I'm new to managed switches and I recently inquired an IT consultant to setup my new office network. For the records, the new office network spans 2 floors, thus he recommended utilising ONE managed switch with a rack/cabinet housing, and the rest using unmanaged switches. Anyways, my main question is: does a…

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• How do I use an ADO.NET managed provider in Excel?

  - by Eli

  I have an ADO.NET Managed Data Provider that is registered in machine.config in DbProviderFactory - It is available for use from, say, Analysis Services, so I know it is correctly registered. However, I need to be able to query the managed provider from Excel, but the managed provider doesn't appear as a choice from…

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• How do I avoid the loader lock?

  - by Mark0978

  We have a managed app, that uses an assembly. That assembly uses some unmanaged C++ code. The Managed C++ code is in a dll, that depends on several other dlls. All of those Dlls are loaded by this code. (We load all the dll's that ImageCore.dll depends on first, so we can tell which ones are missing, otherwise it…

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• Converting Luabind to C#?

  - by themarshal

  Has anybody tried converting Luabind to C#? Is such a thing even possible? I've got an application that I want to convert so that it can run in a completely managed environment, but most of the game logic relies upon Lua scripts, and the application uses Luabind to manage the back-and-forth. I'm not familiar…

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• How to pause a program for a few milliseconds?

  - by Ahmad Farid

  How to pause a program for a few milliseconds using C++ managed code? I tried Sleep() but it didn't work when I included the winbase.h file, I got lots of compile errors!

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• Is there a common practice how to make freeing memory for Garbage Collector easier in .NET?

  - by MartyIX

  I've been thinking if there's a way how to speed up freeing memory in .NET. I'm creating a game in .NET (only managed code) where no significant graphics is needed but still I would like to write it properly in order to not to lose performance for nothing. For example is it useful to assign null value to…

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• Unmanaged C++ in .net

  - by _Avishay_

  Hi, can someone please tell why , Great Microsoft that created C# language and now we're in C# 4.0 , dont have an important feature that C++\CLI has !!,which is to directly compile and link with un-managed c++ ??

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• Build MSI to install DLL and make it accessible from "Add References" in VS

  - by Jon Harrop

  I'd like to build an MSI installer that installs a managed DLL and makes it accessible to users from Visual Studio's "Add References" menu in Solution Explorer. I believe I am supposed to add a key into the Windows registry but I cannot see how to tell the VS project for the MSI to do this at install. …

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• Blittable Vs. Non-Blittable in IL

  - by Michael Covelli

  I'm trying to make sure that my Managed to Unmanaged calls are optimized. Is there a quick way to see by looking at the IL if any non-blittable types have accidentally gotten into my pinvoke calls? I tried just writing two unmanaged functions in a .dll, one that uses bool (which is non-blittable) and…

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• Caveats with the runAllManagedModulesForAllRequests in IIS 7/8

  - by Rick Strahl

  One of the nice enhancements in IIS 7 (and now 8) is the ability to be able to intercept non-managed - ie. non ASP.NET served - requests from within ASP.NET managed modules. This opened up a ton of new functionality that could be applied across non-managed content using .NET code. I thought I had a…

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• Reverting CoreData data

  - by ndg

  I have an NSTableView which is populated via a CoreData-backed NSArrayController. Users are able to edit any field they choose within the NSTableView. When they select the rows that they have modified and press a button, the data is sent to a third-party webservice. Provided the webservice accepts…

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• Learning C++ from scratch in Visual Studio?

  - by flesh

  I need to get up to speed with C++ quite quickly (I've never used it previously) - is learning through Visual Studio (i.e. Managed C++) going to be any use? Or will I end up learning the extensions and idiosyncracies of C++ in VS, rather then the language itself? If learning in VS is not…

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• Calling member method on unmanaged C++ pointer from C# (I think)

  - by Jacob G

  I apologize in advance if this is a trivial question... I'm pretty C++ / unmanaged dumb. Here's a simplified analog to my setup: --In myUnmanagedObject.h in DLL: class myUnmanagedObject { public: virtual void myMethod(){} } --In MyControl.h in Assembly #1: #pragma…

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• How to pass SAFEARRAY of UDTs to unmaged code from C#.

  - by themilan

  I also used VT_RECORD. But didn't got success in passing safearray of UDTs. [ComVisible(true)] [StructLayout(LayoutKind.Sequential)] public class MY_CLASS { [MarshalAs(UnmanagedType.U4)] public Int32 width; …

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• @PersistenceContext cannot be resolved to a type

  - by Saken Kungozhin

  i was running a code in which there's a dependency @PersistenceContext and field private EntityManager em; both of which cannot be resolved to a type, what is the meaning of this error and how can i fix it? the code is here: package org.jboss.tools.examples.util; import…

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