C-Sharp | All algorithms implemented in C | Learning library

by TheAlgorithms C# Version: Current License: GPL-3.0

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kandi X-RAY | C-Sharp Summary

C-Sharp is a C# library typically used in Institutions, Learning, Education, Tutorial, Learning, Example Codes applications. C-Sharp has no bugs, it has no vulnerabilities, it has a Strong Copyleft License and it has medium support. You can download it from GitHub.

All algorithms implemented in C#.

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Quality

Security

License

Reuse

Support

C-Sharp has a medium active ecosystem.

It has 5455 star(s) with 1200 fork(s). There are 185 watchers for this library.

It had no major release in the last 6 months.

There are 0 open issues and 31 have been closed. On average issues are closed in 146 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of C-Sharp is current.

Quality

C-Sharp has 0 bugs and 0 code smells.

Security

C-Sharp has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

C-Sharp code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

C-Sharp is licensed under the GPL-3.0 License. This license is Strong Copyleft.

Strong Copyleft licenses enforce sharing, and you can use them when creating open source projects.

Reuse

C-Sharp releases are not available. You will need to build from source code and install.

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C-Sharp Key Features

No Key Features are available at this moment for C-Sharp.

C-Sharp Examples and Code Snippets

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Community Discussions

Trending Discussions on C-Sharp

How can I await until I receive a callback/notification without busy-waiting?

AES_GCM in .net with streams

How to append an element to a C# array for JSON reasons?

How do you test if an attribute exists in a dynamic JSON file

C# Make one expression tree into two (or two new expression trees with divided logic)

Redirect the output of kestrel's console to richtextbox

Convert an object to JSON, then download that JSON as a text file [Asp.net core]

IIS VirtualDirectories, and accessing their contents from a ASP.NET MVC Project

C# options for dealing with non-void methods that don't return

Why is a Lambda Function needed to pass a Value to a Method called by @onclick?

QUESTION

How can I await until I receive a callback/notification without busy-waiting?

Asked 2021-Jun-14 at 06:22

I understand how I can await on library code to wait for a network request or other long-running action to complete, but how can I await on my own long-running action without busy waiting?

This is the busy-waiting solution. How can I make it event-driven?

...

ANSWER

Answered 2021-May-19 at 22:46

Generally in concurrency a "future" is placeholder for a return value and it has an associated "promise" that is fulfilled to pass the final return value.

In C#, they have different names: the future is a Task and the promise is a TaskCompletionSource.

You can create a promise, await on it, and then fulfill it when you get your callback:

Source https://stackoverflow.com/questions/67611867

QUESTION

AES_GCM in .net with streams

Asked 2021-Jun-11 at 18:11

In my previous question (RAM not being freed in c# after working with files) I asked about a way to clear RAM. someone suggested using streams instead of reading it into a variable. I found Encrypting/Decrypting large files (.NET) which uses streams but it is not using AesGcm. The problem is that I can't find how to use AesGcm with streams. AesGcm.decrypt only accepts Byte[] in the ciphertext field, and AesManaged doesn't have CihperMode.GCM.

Currently, decryption takes 4GB of ram when decrypting an 800MB file. How can I decrypt a file with AesGcm without filling the RAM?

Thanks.

...

ANSWER

Answered 2021-Feb-01 at 14:24

I'll say that AesGcm (and probably AesCcm) in .NET don't support "streaming" mode and it seems the consensus (https://crypto.stackexchange.com/questions/51537/delayed-tag-checks-in-aes-gcm-for-streaming-data) is that you shouldn't create a streaming mode AesGcm. I'll add another reference about this https://github.com/dotnet/runtime/issues/27348 . I'm not an expert in cryptography so it isn't clear for me what are the problems about streaming an encrypted document and checking for its authentication tags only at the end.

If possible you should change the algorithm. Otherwise other solutions can be found. The Bouncycastle library supports AesGcm.

Source https://stackoverflow.com/questions/65991075

QUESTION

How to append an element to a C# array for JSON reasons?

Asked 2021-Jun-11 at 10:25

I'm still working on my JSON parser and writer.

Using Visual Studio Web Essentials, I have created a class diagram, which contains some arrays where I can put information, like this one:

...

ANSWER

Answered 2021-Jun-11 at 10:25

You can't resize fixed size array. The array is always has a fixed size

The best solution here is to use List instead of Channel[].

Otherwise you can create a new array with the size of the previous plus one and set adding value by the last array index, but my opinion that it would be dirty.

Here are msdn docs about arrays: Array Here is what the say

Unlike the classes in the System.Collections namespaces, Array has a fixed capacity. To increase the capacity, you must create a new Array object with the required capacity, copy the elements from the old Array object to the new one, and delete the old Array.

Source https://stackoverflow.com/questions/67934467

QUESTION

How do you test if an attribute exists in a dynamic JSON file

Asked 2021-Jun-07 at 16:59

The code below shows how I'm reading / deserializing a geoJSON file into an ExpandoObject using Newtonsoft.Json.

As I'm looping through the items how do I test if the item contains the attribute place?

Or can I do this in a LINQ query?

As can be seen I've tried several methods from this page none are working

...

ANSWER

Answered 2021-Jun-07 at 16:53

Newtonsoft returns a JObject when DeserializeObject method is called.

Source https://stackoverflow.com/questions/67838251

QUESTION

C# Make one expression tree into two (or two new expression trees with divided logic)

Asked 2021-Jun-07 at 12:14

This question was already answer in the opposite way here, but reverting the logic is easier said than done.

So let me give you a very concrete example:

I have this :

e => e.Description == "sum" && e.Summary == "asd"

i want to split this to:

e => e.Description == "sum"
e => e.Summary == "asd"

In practical, linq way, i want to archieve this:

...

ANSWER

Answered 2021-Jun-07 at 12:14

Well without additional type checking:

Source https://stackoverflow.com/questions/67870940

QUESTION

Redirect the output of kestrel's console to richtextbox

Asked 2021-Jun-07 at 05:26

well i have an api running on Kestrel server locally,i needed to run it without showing the console so i used the vbs answer from superuser and it worked, now my problem is that i want to stream out the messages that were shown on console to somewhere else like a file or richtextbox of windowsform ,if there is any why ? thank you

...

ANSWER

Answered 2021-Jun-07 at 05:26

You can redirect the Kestrel's output to a local file, then you can watch the file changes.

Example to redirect the Kestrel output: dotnet run > d:\kestrel-output.txt

Here is a code snip to watch a text file's changes. This approach uses time interval but you can try the FileSystemWatcher.

Source https://stackoverflow.com/questions/67861725

QUESTION

Convert an object to JSON, then download that JSON as a text file [Asp.net core]

Asked 2021-Jun-04 at 02:55

Info and code:

I am designing a UI where the user can design an object to meet their needs. Afterwards, I want them to be able to click a button to download a file containing the JSON representation of this object. A jquery click listener will use ajax to hit the endpoint on the controller when the button is clicked. Currently, the endpoint looks like this:

...

ANSWER

Answered 2021-Jun-04 at 02:55

Like I said earlier, I don't know how to go from object to Json to a file
1. You can use the System.Text.Json namespace to serialize and deserialize JavaScript Object Notation (JSON).
2. string jsonString = JsonSerializer.Serialize(weatherForecast);
basically all tutorials I can find online are very outdated, or require a filepath, presuming you are providing a pre-existing file, which I am not.
1. You can return FileContentResult.
2. You can check the example below.
3. Code

Source https://stackoverflow.com/questions/67828678

QUESTION

IIS VirtualDirectories, and accessing their contents from a ASP.NET MVC Project

Asked 2021-Jun-02 at 15:32

With Chromium no longer allowing links to local files I am attempting to test a couple of solutions to allow users to open PDF's on a local Network Share without having to download them first (the current work around).

I tested a pure JavaScript solution and that one worked great.

However I am trying use a Virtual Directory in IIS that points to a Network share with the files the user(s) can access.

When testing and trying to navigate to the file I have saved I get a "cannot find path error"

I created a test application and published it on my local machine.

Below is the screenshot of the Virtual Directory I created.

**Below** is the code I use to try and open the file. ...

ANSWER

Answered 2021-Jun-02 at 15:32

In ASP.NET Core you can return an VirtualFileResult

A FileResult that on execution writes the file specified using a virtual path to the response using mechanisms provided by the host.

Or you can do a Server.MapPath("~/pdf/light.pdf") to get the virtual path.

Returns the physical file path that corresponds to the specified virtual path.

In your example code you would use it as such:

Source https://stackoverflow.com/questions/67794205

QUESTION

C# options for dealing with non-void methods that don't return

Asked 2021-May-30 at 21:35

I have an implementation of this answer^† in some code of mine, as:

...

ANSWER

Answered 2021-May-30 at 21:35

Most trivial solution would be to just have NoSupport() change from void to T.

Thus becoming:

Source https://stackoverflow.com/questions/67765919

QUESTION

Why is a Lambda Function needed to pass a Value to a Method called by @onclick?

Asked 2021-May-30 at 07:45

I am new to Blazor (and web dev in general). I was following along with Microsoft's Blazor web app Todo List tutorial, and after finishing said tutorial I wanted to go further and add buttons beside each list element to remove them from the list. This is the code I wrote to accomplish that:

...

ANSWER

Answered 2021-May-30 at 07:00

If you hover over @onclick (or other @events) in any control, you will get information about the function that expects by default: a string or delegate value, and if it's a delegate, it should be of the type MouseEventArgs (in this case)

I wouldn't speculate as to why they did things one way or another, but the docs show examples for the various ways to handle events in Blazor:

https://docs.microsoft.com/en-us/aspnet/core/blazor/components/event-handling?view=aspnetcore-5.0

IMO, the official docs are usually very good. I usually google "MSDN BLAZOR ____" to find what I want.

Source https://stackoverflow.com/questions/67758441

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Vulnerabilities

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