Recent questions tagged .net

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When build my solution, I got an error: Error 116 The command "nuget install C: ... VS 2012, Thanks. 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# get digits from float variable

I have a float variable and would like to get only the part after the comma, so if I have 3.14. I would like ... an integer. How can I do 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 - Run GC.Collect synchronously

GC.Collect appears to start the garbage collection in a background thread, and then return immediately. How ... collection finally finishes.) 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 tell if keyboard input is coming from a barcode scanner?

On one computer I have both a regular keyboard and a barcode scanner which emulates a keyboard. When my app ... scanner or the real keyboard? 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 - What prevents a Thread in C# from being Collected?

In .NET, after this code, what mechanism stops the Thread object from being garbage collected? new Thread(Foo).Start( ... don't have it handy). See Question&Answers more detail:os...

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

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637 views

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.net - Show first frame of video in WPF MediaElement

I have a WPF-application with a MediaElement which I use to run a video. I don't want the video to autoplay ... any magic way of doing 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 - Can we force XmlWriter to issue <my-tag></my-tag> rather than <my-tag/>?

By default, someXmlWriter.WriteElementString("my-tag", someString); produces <my-tag /> I looked around ... applicable to my situation. 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 - Change master audio volume from XP to Windows 8 in C#

I need some general method to change master audio volume from Windows XP to Windows 8 in C# because my application is ... to do it. Any clue? 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# Struct method doesn't save value if accessed by a property

I need to create a structure that looks like an int (but has an extra field that I need...), so I created a new ... test() { _Value = 10; } } 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 - Call an IIS Web Service without the .asmx extension

I have written a .NET web Service that is to be consumed by a client outside of my control (my server ... requests without the .asmx extension? See Question&Answers more detail:os...

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

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369 views

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.net - Changing row colors in the Compact Framework DataGrid

How can I use non-default coloring in the DataGrid control in a Windows CE compact framework application? ... row colors basically). See Question&Answers more detail:os...

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

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321 views

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.net - Garbage Collection does not reduce current memory usage - in release mode. Why?

I built a quick program that needed to loop through an enormous log file (a couple of million records) and ... to all this memory. Thoughts? See Question&Answers more detail:os...

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

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277 views

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.net - Simple LINQ question in C#

I am trying to use LINQ to return the an element which occurs maximum number of times AND the number of times it ... to return the count of 3. See Question&Answers more detail:os...

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

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378 views

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.net - Why is the Web Api returning empty json results with "$ref="?

I disabled lazy loading and proxy creation in EF5 before returning any results in the Web Api. Everything worked ... in the list of results? 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 - Using C# COM in unmanaged C++ project -> First-chance exception at 0x7697C41F (KernelBase.dll)

I'm trying to call methods from a C# COM project in an unmanaged Visual C++ solution, but I keep getting the ... is 4.0 or 4.5. See Question&Answers more detail:os...

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

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326 views

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.net - How to get selected text from ANY window (using UI Automation) - C#

I have a small tray application which registers a system-wide hotkey. When the user selects a text anywhere ... text in ANY application? See Question&Answers more detail:os...

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

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385 views

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.net - Visual Studio 2008: Creating Single DLL from Solution with Many Projects

I have an ASP.NET web application developed in Visual Studio 2008, composed of 3 different projects (one for ... each project in the solution. See Question&Answers more detail:os...

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

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452 views

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.net - Check for empty TextBox controls in VB.NET

Ive got a Form application in VB.NET. I have many text boxes on one form (about 20). Is there anyway to ... seems like a long way around it? See Question&Answers more detail:os...

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

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404 views

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.net - How to properly access c++/CLI initonly TimeSpan field?

The following code compiles with warning and intellisense error: ref class Test { initonly static TimeSpan Delay = ... to access Ticks properly? See Question&Answers more detail:os...

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

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357 views

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.net - C# MessageBox To Front When App is Minimized To Tray

I have some code that popups a message box: MessageBox.Show(this, "You have not inputted a username or password. ... WindowState) { Hide(); } See Question&Answers more detail:os...

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

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349 views

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.net - global.asax works on local computer but not after i publish to server

How can I get my global.asax file to publish to our ftp site? I have added a global.asax file to ... using Windows Server 2008 R2 Enterprise. See Question&Answers more detail:os...

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

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386 views

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.net - C# Application.Run without Form

Is it possible to call Application.Run, but to not pass a form parameter, or is there an alternative if there ... overload I was looking for. See Question&Answers more detail:os...

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

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657 views

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.net - Maximum concurrent requests for WebClient, HttpWebRequest, and HttpClient

Are there any limit to how many concurrent/parallel requests you can send using WebClient, HttpWebRequest, and ... can narrow it down. See Question&Answers more detail:os...

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

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548 views

1 answer

.net - Multi-line list items on WinForms ListView control?

Is there a way to display multi-line text in standard Winforms listview control? See Question&Answers more detail:os...

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

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365 views

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.net - Calculate factorials in C#

How can you calculate large factorials using C#? Windows calculator in Win 7 overflows at Factorial (3500) ... factorial programmatically in C#? See Question&Answers more detail:os...

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

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225 views

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.net - Noninitialized variable in C#

I have the following piece of code: class Foo { public Foo() { Bar bar; if (null == bar) { } } } class ... 't they set to null? (null pointer?) See Question&Answers more detail:os...

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

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798 views

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.net - HttpClient buffer size limit exceeded

I am using my client to get some info about a certain file stored in my Swift Object Storage which can be ... reading content of the message. See Question&Answers more detail:os...

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

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362 views

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.net - How do I generate random number between 0 and 1 in C#?

I want to get the random number between 1 and 0. However, I'm getting 0 every single time. Can someone ... .WriteLine(test); Console.ReadKey(); See Question&Answers more detail:os...

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

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