Recent questions tagged .NET

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.net - IntPtr, SafeHandle and HandleRef - Explained

Without pointing me to MSDN, could someone give a concise, clear explanation of the purpose of each of ... IntPtr, SafeHandle and HandleRef) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - How do I create a directory on FTP server using C#?

What's an easy way to create a directory on an FTP server using C#? I figured out how to upload a file ... have any methods to accomplish that. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Performance of "direct" virtual call vs. interface call in C#

This benchmark appears to show that calling a virtual method directly on object reference is faster than ... different physical addresses). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - How do I set a number of retry attempts in RabbitMQ?

I am using RabbitMQ and I have a queue that holds email messages. My consumer service de-queues messages and ... this? Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - C# SecureString Question

Is there any way to get the value of a SecureString without comprising security? For example, in the code below as ... the char[] or byte[]? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - How to raise PropertyChanged event without using string name

It would be good to have ability to raise 'PropertyChanged' event without explicit specifying the name of changed ... himself)? Thank you. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - How to set and change the culture in WPF

I have a .NET 4.0 WPF application where the user can change the language (culture) I simply let the ... refresh all existing bindings etc.) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Cannot send a content-body with this verb-type

I just got this exception (ProtocolViolationException) in my .NET 2.0 app (running on windows mobile 6 standard ... = new XmlTextReader(stream); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - How to generate service reference with only physical wsdl file

I have been creating and consuming web services for years and always have been able to use Visual Studio to create ... . Thanks in advance, Ken See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Custom app.config Config Section Handler

What is the correct way to pick up the list of "pages" via a class that inherits from System.Configuration ... > </XrbSettings> </configuration> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - How to detect if my application is running in a virtual machine?

How can I detect (.NET or Win32) if my application is running in a virtual machine? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - HttpClientFactory.Create vs new HttpClient

I am curious what is the purpose of the HttpClientFactory class. There is no description of why it ... should use IHttpClientFactory instead. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - C# Async - How does it work?

Microsoft announced the Visual Studio Async CTP today (October 28, 2010) that introduces the async and await ... actually translated in IL? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - C# / F# Performance comparison

Is there any C#/F# performance comparison available on web to show proper usage of new F# language? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Are C# events synchronous?

There are two parts to this question: Does raising an event block the thread, or does it start execution of ... running at the same time? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Sequential GUID in Linq-to-Sql?

I just read a blog post about NHibernate's ability to create a GUID from the system time (Guid.Comb), thus ... by generating the Guid in code)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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458 views

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.net - Do I need to lock or mark as volatile when accessing a simple boolean flag in C#?

Lets just say you have a simple operation that runs on a background thread. You want to provide a way to ... sources along with your answer.] See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Why exactly isn't MEF a DI/IoC container?

It's been said on the blogosphere and by Microsoft themselves that MEF isn't another IoC container. OK...but ... like Unity or Castle Windsor? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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339 views

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.net - Compare String and Object in C#

See this code: object x = "mehdi emrani"; string y = "mehdi emrani"; Console.WriteLine(y == x); that ... the string, my result returns false? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - How to handle all unhandled exceptions when using Task Parallel Library?

I'm using the TPL (Task Parallel Library) in .NET 4.0. I want to centralize the handling logic of all ... you have any solution for this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - System.IO.FileSystemWatcher to monitor a network-server folder - Performance considerations

I want to watch a folder tree on a network server for changes. The files all have a specific extension. There are ... a better way to do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - How can I remove item from querystring in asp.net using c#?

I want remove "Language" querystring from my url. How can I do this? (using Asp.net 3.5 , c#) Default. ... will have this Default.aspx?Agent=20 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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512 views

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.net - Send JSON via POST in C# and Receive the JSON returned?

This is my first time ever using JSON as well as System.Net and the WebRequest in any of my applications. ... .Content.ReadAsStringAsync(); } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Do sealed classes really offer performance Benefits?

I have come across a lot of optimization tips which say that you should mark your classes as sealed to get ... difference? Help me learn :) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Finding property differences between two C# objects

The project I'm working on needs some simple audit logging for when a user changes their email, billing ... not overriding the equals method. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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493 views

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.net - What is the difference between boxing/unboxing and type casting?

What is the difference between boxing/unboxing and type casting? Often, the terms seem to be used interchangeably. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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384 views

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.net - What is the difference between the override and new keywords in C#?

What is the difference between the override and new keywords in C# when defining methods in class hierarchies? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - How do I create a C# app that decides itself whether to show as a console or windowed app?

Is there a way to launch a C# application with the following features? It determines by command-line parameters ... or WPF-specific, too. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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