Recent questions tagged C#

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I've been trying to solve this problem all day, and haven't found a solution that truly works. When ... includes every string in searchstrings? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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443 views

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c# - How to increase the outgoing HTTP requests quota in .NET Core?

I'm trying to send high volume HTTP requests from a machine. But it seems that .NET Core, or Windows I don't ... I'm unable to find that either. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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418 views

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c# - Saving attachments using MailKit library ?

I'm trying to learn how to use the MailKit library but I am struggling to retrieve attachments. So far my ... TextPart _body = (TextPart)part; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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338 views

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c# - what is WSDL URI in WCF?

What is WSDL? i can't find a lot of references while googling... how can i know the WSDL URI of my WCF web service? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Exposing properties of an ExpandoObject

I've got an ExpandoObject that I'm sending to an external library method which takes an object ... (), parameters); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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401 views

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c# - Parallel Operation Batching

Is there built-in support in the TPL (Task-Parallel-Library) for batching operations? I was recently playing with a ... = replaceChar; } } }); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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514 views

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c# - .NET / Oracle: How to execute a script with DDL statements programmatically

I want to do some programmatical schema manipulation against an oracle database in C#. Therefore, I struggle ... , programmatically with C#. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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574 views

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c# - Faster alternative to Convert.ToDouble(string)

Is there a faster way to convert a string to double than Convert.ToDouble? I have monitored System.Convert. ... .Length - decimalPosition]; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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315 views

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c# - Castle Windsor strange behaviour wth property injection and factory method

I am using Castle Windsor 2.5.1 in an ASP.NET MVC project and using property injection to create an object ... appears to try releasing it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Change name of file sent to client?

I have a webpage that pulls information from a database, converts it to .csv format, and writes the file to the ... the first one as the answer. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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271 views

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c# - Under what conditions can a thread enter a lock (Monitor) region more than once concurrently?

(question revised): So far, the answers all include a single thread re-entering the lock region linearly, through things ... finished."); } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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188 views

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c# - EF returns old values

I'm using EF6 + WPF with MVVM design pattern in my desktop application. I'm using also Autofac as DI ... and still have good performance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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735 views

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c# - smtp exception Failure sending mail?

StringBuilder emailMessage = new StringBuilder(); emailMessage.Append("Dear Payment Team ,"); emailMessage. ... exception) InnerException: See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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426 views

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c# - Set Metadata in iTextSharp

I am developing an application and i use the iTextSharp library. I am also reading the iText in action from Manning so ... i do the same in C#? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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507 views

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c# - WebApi OAuth UseOAuthBearerAuthentication gives "Sequence contains more than one element" error

I configured my WebApi OAuth 2.0 by these lines: app.UseOAuthBearerAuthentication(new OAuthBearerAuthenticationOptions { ... give me error? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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333 views

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c# - why doesn't .net allocate memory when initialize a 2d array?

var a = new double[7000,7000]; FillValue(a,3); It seems .Net doesn't actually allocate any memory to a after ... could it take no memory at all? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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355 views

1 answer

c# - Showing a message box from the ViewModel is a violation of MVVM - how to avoid?

While watching a video about MVVM on Pluralsight there was a situation where the MVVM pattern got violated but no ... box presented to the user? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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335 views

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c# - Linq to Entities - eager loading using Include()

I've got this really basic table structure: dbo.tblCategory dbo.tblQuestion (many to one relationship to ... expression for this one? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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561 views

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c# - Always success on ajax post with HttpResponseMessage 401

I always get statusCode=200 on ajax post at client side, while servers answers with HttpStatusCode.Unauthorized. My ... -and-401-response-codes/ See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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473 views

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c# - Using GetHashCode to test equality in Equals override

Is it ok to call GetHashCode as a method to test equality from inside the Equals override? For example, is this code ... ()); return result; } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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209 views

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c# - What is difference between extension method and static method?

What is the difference between an extension method and a static method ? I have two classes like this : public ... (); Which is proposed ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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291 views

1 answer

c# - Create custom token filter with NEST

How can I configure Index using NEST with such JSON: "settings":{ "analysis":{ "filter":{ "name_ngrams":{ ... my analyzer. Thanks in advance! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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295 views

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c# - Deploying/Installing an outlook addin

I am trying to install my Outlook Addin on client computers. Unfortuantely, the Add-in can never be 'Enabled' ... Setup project. Still stumped! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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278 views

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c# - Get Path in a ListBox of all Open Explorer Windows

I want to list all open Windows Explorer windows with their active path in a ListBox. The app should ... Any pointers would be appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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234 views

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c# - Set _NO_DEBUG_HEAP

I am trying to set the _NO_DEBUG_HEAP variable in VS 2010. How do I set _NO_DEBUG_HEAP environment variable in VS 2010 ? Need some quick help! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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498 views

1 answer

c# - What conditions cause NetworkStream.Write to block?

Will NetworkStream.Write block only until it places the data to be sent into the TCP send buffer, or ... which is actually NetworkStream.Write! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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286 views

1 answer

c# - DateTime format mismatch on importing from Excel Sheet

I'm importing data from an Excel sheet on to a DataTable using the following code: OleDbConnection con = new ... in DataTable. Please help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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761 views

1 answer

c# - Specifying [readonly] property values [via ctor args] when instantiating [immutable] objects with AutoFixture

My test requires that I set the Response property on an immutable Rsvp object (see below) to a specific ... properties for an immutable object? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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