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How do I use Async in c#?
With these it helps I am doing c form application. The application is basically a video converter implementation. I have two buttons called convert and conver the stop. Here's what I want to do; I don't want the form to lock itself, even if I click
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Date : September 28 2020, 02:00 PM , By : varsha Tomar
"The page cannot be displayed because an internal server error has occurred.""
should help you out (I don't have 50 rep so I can't comment, so I have to post as an answer.)Enable diagnostics logging and report back with the logs. Should shed some light on the problem.
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Date : September 28 2020, 02:00 PM , By : hasan
I have to make a unit test for methods which use connectionstrings. Is it possbile to use Entity Framework to help me te
I hope this helps . Code like that cannot be unit tested, only integration tested with a known data state. EF won't help you. To write unit-testable code you need to start enforcing separation of concerns and inversion of control. For example, a repo
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Date : September 28 2020, 02:00 PM , By : user6074701
search in big files performance difference
like below fixes the issue In your first code snippet, you don't stop looping when you find a match. Try something like this:
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Date : September 28 2020, 01:00 PM , By : rohinikhusu
Using "System.Net.Dns.GetHostEntry()" to get the IP address for a website, will give different results compare
With these it helps It's very common for websites to have multiple IP addresses. A website could be distributed across multiple places and regions, and the use of multiple IP addresses helps in load balancing and network traffic optimization, among o
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Date : September 28 2020, 01:00 PM , By : 061นางสาวฟาริดา โต๊ะ
How to temporarily exclude property from getting saved to RavenDb?
This might help you I think that a better approach would be to reverse this question. Instead of trying to save the whole object, and ignore changes to a particular property, why not just set the properties that you want to set?Here are the relevant
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Date : September 28 2020, 01:00 PM , By : Mr. Feng
How to fix "ArgumentException: JSON must represent an object type" in a JSONUtility
To fix this issue You're trying to cast a one-object array as an object.The square brackets around your JSON represents an array. The curly brackets represent your object. This line:
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Date : September 28 2020, 01:00 PM , By : Melissa Martin
How do we read the last line of a csv file using filehelper class and then ignore the last line
will be helpful for those in need More I read your question more I get confused about what you're asking. But from what I understood, following should solve your problem.You can use [IgnoreLast(1)] attribute for this. Number in the attribute indicate
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Date : September 28 2020, 01:00 PM , By : Coding wang
C# redundancy, noise
it fixes the issue The C team acknowledge this issue and they plan to remove extra noise when relevent.In the specific case of Dictionary, you will have to wait until C9.
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Date : September 28 2020, 01:00 PM , By : Webster Noble
LINQ expression could not be translated and will be evaluated locally
around this issue EntityFrameworkCore has 3 extension points that can be used to translate custom types to SQL. IMemberTranslator IMethodCallTranslator RelationalTypeMapping
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Date : September 28 2020, 01:00 PM , By : a_flydog
Cannot Load Workbook from Excel File - Office.Interop.excel
hop of those help? The Office object models don't work the same as those of the .NET Framework. For one thing, the New keyword should never be used for anything except the Application. In order to create a new object (copy) from an existing file, Off
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Date : September 28 2020, 01:00 PM , By : M Four
Calling property of all instances in class by an index number in C#?
wish of those help You're almost there.When you do movie[] myMovie = new movie[3], you're correctly creating an array of 3 movie elements, but each of those elements will be null by default. This means you'll get a NullReferenceException if you try a
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Date : September 28 2020, 01:00 PM , By : Ken Nguyen
How to add text to a textBox
I wish this help you AppenText() uses string as parameter. So, you can either join this array into one string, like this:
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Date : September 28 2020, 12:00 PM , By : Jobin Dominic
select values of Cascading two dropdownlists from Gridview
like below fixes the issue I have two dropdownlist and one Gridview, I want to select two Dropdownlists by select the row from Gridview. the problem is the first Dropdownlist is working, but the second is not.
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Date : September 28 2020, 12:00 PM , By : Vikas Reddy Aravabhu
Add values to a list inside a list Linq
I hope this helps . Here is a simple way to add values to a sub list, dunno if this is what you mean. You can keep selecting sub lists if that is necessary.
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Date : September 28 2020, 12:00 PM , By : Duran Vasconcelos
Elasticsearch - How to Reindex using NEST 7.1 SDK
This might help you There is several constructors, you could have cancellationToken or some other stuff. The query should be:
TAG :chash
Date : September 28 2020, 12:00 PM , By : syed musa
Using Regex to split string by different characters based on occurance
like below fixes the issue Without Regex. Regex should be used when string methods cannot be used. :
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Date : September 28 2020, 11:00 AM , By : Jogi Dharmesh
Using a substitute/default return on handling a "failure" when using LanguageExt?
Hope that helps There are plenty of helper functions on the monads in LanguageExt, in this case you are trying to specify a default value if in the Left state of the Either otherwise return the value from the Right. IfLeft is for this specific purpos
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Date : September 28 2020, 11:00 AM , By : Владимир Мединцев
Assigning DayTime to Variable
I hope this helps . Two issues: m stands for minutes, not months (M) date.AddDays(1) creates a new DateTime instance, you should assign it back to date: date = date.AddDays(1)
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Date : September 28 2020, 11:00 AM , By : Irfanbasha
How can I use the ProgressBar with Async?
I think the issue was by ths following , The question is unlcear. BackgroundWorker is osbsolete since 2012 anyway. If you want to report progress from any background thread, not just threads created with Task.Run, create a Progress in the UI thread a
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Date : September 28 2020, 11:00 AM , By : Ravishankar Kawathal
Transform a JSON object to a JSON array, taking the first level of properties
I hope this helps . You can achieve this by deserializing your json string into Dictionary:
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Date : September 28 2020, 11:00 AM , By : Omkar Ayachit
What is the appropriate design pattern for multiple replacing of specific text or characters
I wish this helpful for you This seems like a good use of a strategy pattern. This will help you choose an algorithm at run time like HtmlReplacementBehaviour, NumericReplacementBehaviour .https://en.wikipedia.org/wiki/Strategy_pattern
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Date : September 28 2020, 11:00 AM , By : Nina
C# How to Compare List<string[]> item to the next?
To fix the issue you can do I have a List, and I would like to compare the first array from the list to the next, then print the parts that are equal in both string arrays. , 1. Find intersections of pairs of arrays in the list
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Date : September 28 2020, 11:00 AM , By : mallikarjun teradal
When executing the command "Scaffold-DbContext" I get the error "ScriptHalted"
I wish this help you I had the same problem today and I am using Windows 7. Windows 7 uses powershell 2.0 so I upgraded it to 5.1, you can upgrade it from here - https://docs.microsoft.com/en-us/powershell/scripting/install/installing-windows-powersh
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Date : September 28 2020, 11:00 AM , By : Abhijith Surendran
How to prevent image download from direct URL?
this one helps. If this is just about hiding the URL of the image, not the content, one option is to embed the image as a Data URI.Example (from Wikipedia):
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Date : September 28 2020, 10:00 AM , By : ttt956618
How to open only a .dat file. In C#
will be helpful for those in need I'm trying to open a file but I want it filter out to only .dat file. , You should set filters before the call of "ShowDialog" method.
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Date : September 28 2020, 10:00 AM , By : z. alfa
Compile a LambdaExpression with additional parameter
I wish did fix the issue. Locating the method you want to call is reasonably simple reflection. The hard part is figuring out the name of the method to call. Sometimes the simplest thing to do is to create an expression and have a look at how the Com
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Date : September 28 2020, 10:00 AM , By : Tanvir Chowdhury
How to return a string using methods
Hope that helps ToString should override the base method to respect the polymorphism design and it must return a string but you return nothing:
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Date : September 28 2020, 10:00 AM , By : crandyzhang
Async Await causing UI to be blocked
may help you . The MachineController.Instance methods are obviously called in the UI thread and may block it.To avoid blocking the UI thread, execute those methods in a Task:
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Date : September 28 2020, 10:00 AM , By : Abdul Mannan
Repopulate a form field from a different class in C#
should help you out You're making a new copy of the form in your valuecalculator method, but you should be using the same form.There are loads of ways to solve this.
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Date : September 28 2020, 09:00 AM , By : Arvind Patel
How to perform an action on a C# application after pressing an Arduino button?
I wish did fix the issue. You can write a C (.net) program that listens/writes to the serial port the arduino is connected onMicrosoft's page on how to write data from a .form application to a serial device
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Date : September 28 2020, 09:00 AM , By : mohammad mehdi
Feature 'using declarations' is not available in C# 7.3. Please use language version 8.0 or greater - Error on one machi
fixed the issue. Will look into that further When using Visual Studio Enterprise 16.3.7 on two separate machines one builds fine and the other machine throws the error: , I received the same error, but I had simply forgotten to include the
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Date : September 28 2020, 09:00 AM , By : twinkla
Would it be async if I call a number of async methods without awaits but then use Task.WhenAll?
To fix the issue you can do Question 1: Would the three above API calls run asynchronously even though there's no await before them? But, we have the await before Task.WhenAll?
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Date : September 28 2020, 09:00 AM , By : IbrahimKose
ASP.NET Core dll's in Debug mode
I hope this helps . Jetbrains got a piece of software that's called dotPeek. With it and JetBrains' decompiler, you should be able to debug through code in release mode, because of dotPeek's ability to generate symbol files.After getting your hands o
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Date : September 28 2020, 09:00 AM , By : Jyotir Test
What is the recommended way to catch exceptions
it should still fix some issue The second approach would be more preferred. However, there is tiny difference between proposed solution and current one. You'd need to refactor to a method, or copy the code in two places (NotSupportedException and IOE
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Date : September 28 2020, 09:00 AM , By : Lydia
I want a x value(double) from the user. But when the tried to enter string.program crashes. How can i fix that
To fix this issue Not every string value can be converted to double (e.g. "bla-bla-bla") that's why you should use double.TryParse (which returns false on incorrect input) instead of Convert.ToDouble (which throws exception):
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Date : September 28 2020, 09:00 AM , By : Yang
Is it possible to insert a string without using Console.WriteLine directly?
it fixes the issue Insert is not mutating sLine, it returns a new string, you should instead:
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Date : September 28 2020, 08:00 AM , By : Gondai Nathaniel Ric
Output numeric formatting is wrong
To fix this issue I'm writing a program in C that turns the number (given by an user) to a decimal number with the $ mark. For example, if i give in 15 then the results should be $15.00 but the results now is 15.00 ?. , This should work regardless of
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Date : September 28 2020, 08:00 AM , By : DeBeng
How to copy data from Pointer to Pointer in C#?
seems to work fine You don't need to worry about pointers in C everything is managed!If you're trying to work with bitmap data use the managed Bitmap class and create the bitmap using a stream set to the raw byte data. Alternatively, you can use the
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Date : September 28 2020, 08:00 AM , By : CosmicAce
Running same task multiple times in parallel with EF Core
Hope this helps I have a Task that generates a PDF file for an order (it takes about 10 seconds to create one PDF): , You can map your order IDs to tasks and await them all like:
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Date : September 28 2020, 08:00 AM , By : user6075579
Procedurally generated mesh has all normals inverted
it should still fix some issue Because you tried counter-clockwise winding you should change vertex list or index list as clockwise winding. for your case, -1 for z-axis is front face and 1 is back face so you should set index list as opposite. I jus
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Date : September 28 2020, 08:00 AM , By : Кирил Милов
C# LSP autocompletion client for neovim / vim8
it should still fix some issue I just got omnisharp / ale working successfully with a clean install. You may want to completely uninstall omnisharp (~\AppData\Local\omnisharp-vim or ~/.omnisharp) just in case you have old versions.You didn't mention
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Date : September 28 2020, 08:00 AM , By : Ranjith Kumar Kakuma
Why the execution time of a million double-int conversion is the same as an empty loop?
Does that help I'm writing a high-performance component with a lot of int-double-int conversions, so I need to know the execution time between them. , You should use StopWatch.Start and Stop then Elapsed!
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Date : September 28 2020, 08:00 AM , By : Leo Huang
Add array to property
To fix this issue You need your answer property to be an array, so you should use JArray for that. Change this line:
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Date : September 28 2020, 07:00 AM , By : Nick
Why are .NET API Browser examples written in C++ instead of C#?
will be helpful for those in need Change the language to C. It is in the drop-down in the breadcrumbs bar as shown in the image below:
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Date : September 28 2020, 07:00 AM , By : SungJoon
c# linq 'potentially' grouping and differences
will help you I'll take my lumps with this one...You can group by the card name which will give you a collection of groups of two cards. From there you can select down into a DiffCard, for example. Like so:
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Date : September 28 2020, 07:00 AM , By : Da-Woon Kim
How To Visible DataGridView Columns Using Checkbox's C#
Any of those help For each of the Datagrid columns bind the Visibility property of the column to the IsChecked property of the appropriate checkbox.Set the converter in the binding to use BooleanToVisibilityConverter.
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Date : September 28 2020, 07:00 AM , By : 최병기
403 Message: Legacy People API has not been used in project
I think the issue was by ths following , Before the Google+ API Shutdown on March 7, 2019, the people.get and people.getOpenIdConnect methods were available for requesting a person’s profile.To avoid breaking existing integrations with these methods
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Date : September 28 2020, 06:00 AM , By : Joker-DK
WPF TextBlock formatting bold from string property
may help you . I would do this using an custom attached property. Instead of binding directly to the TextBlock's Text property, you would bind to your own FormattedText attached property and then use a PropertyChangedCallback to handle the formatting
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Date : September 28 2020, 06:00 AM , By : patrick
Left side object is not null operator in one line
To fix this issue You could use pattern matching to shorten it:
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Date : September 28 2020, 06:00 AM , By : Non_93
Store does not implement IUserRoleStore<TUser> UserManager<TUser>.GetUserRoleStore() ASP.NET Core MVC 3
To fix this issue I have implemented Identity in Asp.Net.Core MVC 3 because we already have database tables that we want to use. I get the error when calling the methods below and they are both happening in the UserManager in the same call to the met
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Date : September 28 2020, 05:00 AM , By : Emma
Can't select DataRow from DataTable
To fix this issue Assuming your DataTable variable has name table, and that you created it and linked it correctly to your MS Access database then:
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Date : September 28 2020, 05:00 AM , By : Vaibhav Kalhapure
Decoding dataset with transfer syntax: JPEG 2000 Image Compression is not supported
wish helps you First of all take a look at this wiki-page: https://github.com/fo-dicom/fo-dicom/wiki/Supported-Transfer-Syntaxes Depending on the platform you are building, not all transfer syntaxes are supported.If you are building for desktop, then
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Date : September 28 2020, 05:00 AM , By : Jaspal Singh
Does `this` inside a class method refer to the called or default instance?
I hope this helps . this refers to the called class instance.I made the following test app to check:
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Date : September 28 2020, 05:00 AM , By : mgh21
Run multiple different types of SQL queries in one query using C#
hope this fix your issue You can just send a batch of statements to SQL Server for execution. The only issue for you is that you need to deal with multiple result sets being returned. Take a look at the NextResultSet method.Also, if you're building s
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Date : September 28 2020, 05:00 AM , By : Hanson
Can two classes with matching property names of type "int" and "long" be united under one interface?
may help you . There is no way to represent both an int and a long in one interface.It is like wanted having a car being at the same time a Smart and a Toyota.
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Date : September 28 2020, 05:00 AM , By : Likaramuk
Is it possible to convert a `ref bool` to a CancellationToken?
I wish this help you It's complicated. For a few reasons: You cannot pass a parameter by ref to an async method. You're using await, but to use await, your method needs to be marked async. And async methods cannot have ref parameters. For example, th
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Date : September 28 2020, 04:00 AM , By : sekh
is there any way to take an int turn it into a string and then into an int again
fixed the issue. Will look into that further You don't have to parse .Length since Length return int; your code amended:
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Date : September 28 2020, 04:00 AM , By : Ranjith Kumar Talla
How to implement Diffie Hellman in .netcore/Linux
it fixes the issue ECDiffieHellmanCng is not supported on Linux. Linux uses ECDiffieHellmanOpenSsl, but note
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Date : September 28 2020, 04:00 AM , By : tops911
c# check if datagridview column contains value & linq First() vs FirstOrDefault()
Does that help I need to check if first column in DataGridView contains value 10
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Date : September 28 2020, 04:00 AM , By : BPO

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