Entity Framework Core
A lightweight, extensible, open-source, and cross-platform version of the Entity Framework data access technology.
572 questions
Microsoft Q&A
Questions
Discover questions that will help you on every step of your technical journey.
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2 answers
Seed Data without entity (join table)
Hello, I've this configuration in my DBContext class : modelBuilder.Entity<Topic>() .HasMany(t => t.Keywords) .WithMany(k => k.Topics) .UsingEntity(j =>…
Entity Framework Core
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
8,803 questions
asked 2023-09-02T12:44:51.36+00:00
Laurent Guigon
206
Reputation points
commented 2023-09-02T23:45:22.7233333+00:00
Laurent Guigon
206
Reputation points
0 answers
Environment Variable : ArgumentException: Format of the initialization string does not conform to specification starting at index 0
Hello Houston, I've got a problem! I read somewhere that we can utilize an environment variable to configure the connection string, and we can provide new values in CI/CD pipelines. Consequently, I modified my appsettings.json file to rely on an…
asked 2023-08-26T17:47:42.6833333+00:00
Laurent Guigon
206
Reputation points
edited a comment 2023-09-02T23:42:26.4033333+00:00
Laurent Guigon
206
Reputation points
3 answers
HPC Pack 2019 - Unable to connect to the head node running cluster manager on the head node server
I'm having trouble starting HPC Cluster Manager and Job Manager locally on the Head Node, getting the following error almost every time (sometimes it works): Unable to connect to the head node. The connection to the management service failed. detail…
asked 2021-08-04T11:36:32.713+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(150.4, 33%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EO%3C/text%3E%3C/svg%3E)
Oscar
6
Reputation points
commented 2023-09-02T23:00:39.4366667+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(92.8, 1%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENA%3C/text%3E%3C/svg%3E)
Nathan Anderson
0
Reputation points
2 answers
Problem with Remote Desktop Service.
Hi, I don't know how it happened, but the "Remote Desktop Services" service disappeared, so I can't reach the server using RDP. At the moment, I can only log in using VNC. How can I restore TermService? Kind regards, Lukasz
asked 2023-09-01T21:21:30.8366667+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(44.800000000000004, 36%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EUM%3C/text%3E%3C/svg%3E)
Łukasz Maśliński
1
Reputation point
answered 2023-09-02T22:59:00.6066667+00:00
Dave Patrick
382.1K
Reputation points MVP
0 answers
VS 2022 - Unable to start program The debugger is not properly installed. Run setup to install or repair the debugger.
Hi. I try to run/debug C/C++ project and I keep getting this error message. I tried to repair VS 2022 from the installer with no success. I tried to remove it completely using InstallCleanup.exe and installing it back with no success. …
Visual Studio Debugging
Visual Studio Debugging
Visual Studio: A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.Debugging: The act or process of detecting, locating, and correcting logical or syntactical errors in a program or malfunctions in hardware. In hardware contexts, the term troubleshoot is the term more frequently used, especially if the problem is major.
820 questions
asked 2022-08-16T22:25:50.24+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(124.80000000000001, 43%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
AsafY
21
Reputation points
edited a comment 2023-09-02T22:55:24.42+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(204.8, 50%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPM%3C/text%3E%3C/svg%3E)
Phumelela Mdluli
0
Reputation points
6 answers
“a specified logon session does not exist. it may already have been terminated”
a specified logon session does not exist. it may already have been terminated - after i joined the device to azure active directory -i cannot access our shared folder in our server after i joined the device to azure AD and use office 365 account…
asked 2020-06-01T09:48:49.39+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(236.8, 32%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EEP%3C/text%3E%3C/svg%3E)
Eduard Paul
1
Reputation point
commented 2023-09-02T22:54:04.53+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(249.60000000000002, 28.999999999999996%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
ꑭ Максим Володимирович
0
Reputation points
1 answer
Cant install windows 10
Im trying to boot a new windows 10 instalation, after inputing the code it says it cant find the drivers(doesnt detect hard drive)
asked 2023-09-02T20:54:03.9033333+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(192, 57.00000000000001%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAQ%3C/text%3E%3C/svg%3E)
Antonio Quintana
0
Reputation points
answered 2023-09-02T22:52:34.7766667+00:00
Dave Patrick
382.1K
Reputation points MVP
0 answers
How to fix Microsoft.ACE.OLEDB.12.0 provider is not registered on the local machine
hello hello hello
Office Development
Office Development
Office: A suite of Microsoft productivity software that supports common business tasks, including word processing, email, presentations, and data management and analysis.Development: The process of researching, productizing, and refining new or existing technologies.
2,752 questions
asked 2023-09-02T22:50:35.4366667+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(150.4, 98%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMK%3C/text%3E%3C/svg%3E)
Michael Kitterman
0
Reputation points
asked 2023-09-02T22:50:35.4366667+00:00
Michael Kitterman
0
Reputation points
6 answers
How to reinstall Microsoft Store
Since I manage Windows 10 and do not use Microsoft Store applications in my business, I deleted them all with the following command. Get-AppxPackage | findstr PackageFullName Remove-AppxPackage -Package "XXXXXXX" …
asked 2022-06-16T07:11:43.353+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(268.8, 25%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ER%3C/text%3E%3C/svg%3E)
ryosk25
496
Reputation points
commented 2023-09-02T22:49:24.99+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(275.2, 42%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMV%3C/text%3E%3C/svg%3E)
Marianne Valk
0
Reputation points
2 answers
One of the answers was accepted by the question author.
Spatial SQL (in SSMS - using T-SQL) - STIntersect and STContains doesn't return the correct result
Trying to find All the routes that pass through a buffer of 5km around a random point. Background: I have multiple routes stored as linestring of type geography using the following query. The linestring is valid. INSERT INTO routes (route_id,…
asked 2023-09-02T17:57:10.7533333+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(169.60000000000002, 35%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESS%3C/text%3E%3C/svg%3E)
Sunraj sharma
0
Reputation points
commented 2023-09-02T22:41:36.8066667+00:00
Sunraj sharma
0
Reputation points
1 answer
Onedrive deleted my computer files
Hi! I accidentally synced my onedrive to my computer and it automatically uploaded all my computer files up to my onedrive. In a panic, I cancelled the upload midway and deleted the uploaded computer files on onedrive. After an hour I noticed that…
asked 2021-03-02T01:16:17.513+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(44.800000000000004, 89%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETL%3C/text%3E%3C/svg%3E)
Tammy Lim
11
Reputation points
commented 2023-09-02T22:37:13.2633333+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(156.8, 50%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EEM%3C/text%3E%3C/svg%3E)
Erik Meyer
0
Reputation points
0 answers
Create Managed Metadata Field not an Option in a Microsoft My Lists List But all Other Sites Are Fine
Hi, this is very perplexing why creation of a new MMD field is available in all sites with similar…
asked 2023-09-02T15:32:48.92+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(41.6, 5%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECW%3C/text%3E%3C/svg%3E)
Carl Williams
211
Reputation points
edited the question 2023-09-02T22:33:45.33+00:00
Carl Williams
211
Reputation points
0 answers
Can't Find My Resource
This is going to sound incredibly dumb, but I am a developer trying to figure out this whole Azure thing so please have patience with me. I created a website many many months ago, and I hosted it in Azure. I know it is hosted in Azure because it has a…
0 answers
Intune certificate connector redundancy configuration
Hello everyone. In my organization we have been using Intune for more than a year for the distribution of certificates for authentication in the corporate wi-fi. For this we have an offline certifier and a certifier that issues certificates (2 Tier…
asked 2023-09-02T22:24:06.3733333+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(172.8, 62%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EEM%3C/text%3E%3C/svg%3E)
Eduardo Madrazo Bidea
0
Reputation points
asked 2023-09-02T22:24:06.3733333+00:00
Eduardo Madrazo Bidea
0
Reputation points
3 answers
What is user starting S-1-5-21-1687699058... ?
In the Role Manager section: I see a user added that has name S- 1 -5-21 -1687699058-... What is this user? can I safely delete it? (is there any documentation regarding this?) THanks,
asked 2021-06-01T08:15:20.747+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(249.60000000000002, 46%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EO%3C/text%3E%3C/svg%3E)
ovonemty
41
Reputation points
commented 2023-09-02T22:15:30.9233333+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(163.2, 96%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESF%3C/text%3E%3C/svg%3E)
Sonia Fonseca
0
Reputation points
2 answers
One of the answers was accepted by the question author.
Error timeout from asp.net 4.5 mvc to WCF service
I have an asp.net mvc 4.5 app that makes requests to a WCF service, the problem is that when the service takes more than 30 seconds the mvc cuts the connection to the service, the wcf service keeps running and makes the changes to the database and…
asked 2022-11-15T21:03:19.83+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(156.8, 11%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGD%3C/text%3E%3C/svg%3E)
Gabriel Dos Santos
21
Reputation points
accepted 2023-09-02T22:09:19.47+00:00
Gabriel Dos Santos
21
Reputation points
1 answer
How to add run a script in mail rules in outlook 365?
How to add run a script in mail rules in outlook 365?
asked 2023-03-22T20:30:16.67+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(124.80000000000001, 57.99999999999999%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EG6%3C/text%3E%3C/svg%3E)
GencJanaqi-6558
0
Reputation points
commented 2023-09-02T22:07:52.1233333+00:00
![](https://web.archive.org/data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(230.39999999999998, 2%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDF%3C/text%3E%3C/svg%3E)
Dennis Foreman
0
Reputation points
0 answers
Python Problem
python : El término 'python' no se reconoce como nombre de un cmdlet, función, archivo de script o programa ejecutable. Compruebe si escribió correctamente el nombre o, si incluyó una ruta de acceso, compruebe que dicha ruta es correcta e inténtelo de…
Visual Studio Setup
Visual Studio Setup
Visual Studio: A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.Setup: The procedures involved in preparing a software program or application to operate within a computer or mobile device.
836 questions
1 answer
"Could not find the Database Engine startup handle" while trying to install SQL server 2022 Express Edition
Hi, Since yesterday, I was trying to install SQL Server 2022 Express edition on my Windows 10 laptop but it is getting failed due to the mentioned error. I tried to uninstall/reinstall, trying the ''troubleshoot errors related to system disk sector size…
1 answer
TTS Rejecting Certain Characters
I've noticed that words are rejected (error 400) like this example: Курица - rejected because all of the letters are cyrillic (unicode) Курицa - allowed because the 'a' is ascii Is there an unwritten rule somewhere? How should I TTS phrases that are…