Utf8Json | Definitely Fastest and Zero Allocation JSON Serializer | JSON Processing library
kandi X-RAY | Utf8Json Summary
kandi X-RAY | Utf8Json Summary
utf8json - fast json serializer for c# ===. [join the chat at [releases] definitely fastest and zero allocation json serializer for c#(.net, .net core, unity and xamarin), this serializer write/read directly to utf8 binary so boostup performance. and i adopt the same architecture as the fastest binary serializer, [messagepack for c#] that i’ve developed. utf8json does not beat messagepack for c#(binary), but shows a similar memory consumption(there is no additional memory allocation) and achieves higher performance than other json serializers. the crucial difference is that read and write directly to utf8 binaries means that there is no overhead. normaly serialization requires serialize to stream or byte[], it requires additional utf8.getbytes cost or streamreader/writer overhead(it is very slow!). for example, the outputformatter of [asp.net core] needs to write to body(stream), but using [jil] textwriter overload is slow. (this not means jil is slow, for example streamwriter allocate many memory(char[1024] and byte[3075]) on constructor ([streamwriter.cs#l203-l204] and other slow features unfortunately). the approach of directly write/read from json binary is similar to [corefxlab/system.text.json] and [corefxlab/system.text.formatting] but it is not yet finished and not be general serializer. corefxlab has [utf8string] and c# discussing [utf8string constants] but maybe it is far future. install and quickstart --- the library provides in nuget except for
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Trending Discussions on Utf8Json
QUESTION
This is my program class where the migration is going to start
...ANSWER
Answered 2022-Apr-07 at 11:13For 1 to 1 relation, you may change the json structure like this;
QUESTION
I have a .NET Framework 4.8 / AngularJS app that I'm trying to upgrade to .NET 6 so that I can start experimenting with newer front-end frameworks (like Blazor). The upgrade is going okay, but I consistently see this error when calling one of my API methods from the Angular JS code:
...ANSWER
Answered 2022-Feb-15 at 19:53For the start I recommend you to use Newtonsoft.Json to avoid all these weird errors
QUESTION
I try to implement ProtectedSessionStorage in some Blazor components (.NetCore 6, Blazor Server).
I followed too this thread: Blazor ProtectedSessionStorage object NULL, but when I try to set session data the code stop and immediately exit from his scope.
This is my code:
SessionService.cs
...ANSWER
Answered 2022-Feb-10 at 09:29Solved!
When you try to insert an object, like a custom class (in my case is User), you need add an empty constructor for serialize and put into the Protected Session Storage.
QUESTION
C# 10 / .NET 6 / System.Text.Json
I'm working with an API that returns as JSON response. I'm trying to use System.Text.Json to deserialize the JSON response into a class. I'm receiving a JsonException and could use help understanding what I'm doing wrong.
I call the API and store the JSON response:
string json = await Retreive.Fetch(target);
Here's the output of Console.WriteLine(json):
ANSWER
Answered 2022-Feb-08 at 19:02your Rootobject class would be working if your json starts with this
QUESTION
I've build a very simple, vanilla minimal API with .NET 6. All I'm trying to do for now is prove that I can receive HTTP POST requests and log them. Hopefully if I can get this working I'll start doing something more interesting, but even this vanilla out of the box functionality isn't working.
Some things I've tried:
- Changing my logMessage to a record
- Adding a default constructor to the logMessage
My full code is posted below, can anyone see what is wrong with this? Or how to fix it?
My minimal API:
...ANSWER
Answered 2022-Feb-07 at 22:24Results.Accepted is a method so you need to invoke it:
QUESTION
I'm trying to retrieve a list of objects from my MongoDB Database. I have to use a BsonDocument to store additional dynamic data on the record, but when I try to return a list to the browser using minimal API I get the following error.
...ANSWER
Answered 2021-Dec-28 at 20:42What do you want to return? if you change your "go" route to this
QUESTION
I have a JSON object that looks like this:
...ANSWER
Answered 2021-Dec-07 at 12:57It seems like because the JSON object is not an array of objects, the deserializer cannot convert it to an IEnumerable
Yes, it is not an array of objects, it is an object with others objects in it, I believe that using default serializers/deserializers you will not be able to work this JSON out.
Unless you end up using dynamic objects (can be a JObject) and then cast it to another structure, the only way is to write a custom serializer for this specific case and build an workaround this JSON.
You can try this:
QUESTION
I am receiving the following error when trying to create a new Ticket item with an assigned User. I am not sure how I should go about fixing such an issue. I have explored other methods online to resolve issues like this but none have resolved the issue. I am really new to Blazor and web development so I found myself puzzled as to where I might have gone wrong. Would appreciate any help and insight as to what might be causing this. Thanks.
Error ...ANSWER
Answered 2021-Nov-27 at 23:19The problem is that the AssignedUser has multiple Tickets assigned that reference the same user, thus when the Serializer goes through them, it creates cycles.
In your Ticket, create an additional property UserId and mark AssignedUser with the [JsonIgnore] attribute.
It should look something like this:
QUESTION
I have json data sitting in Cosmos DB which I want delivered to an angular app. The angular app can handle various json structures and allow the user to modify the data and push back to Cosmos (via an API - see below).
I am trying to build a simple C# API that will just be used to query data from Cosmos and push the "raw" json back to angular without the need to create classes for each type of json object I am storing. The API is just the mechanism for handing data to Angular from Cosmos and pushing data back into Cosmos from Angular.
I have not found an easy way to do this as all approaches seem to require a structured class object to retrieve the data from Cosmos and save it back.
Any suggestions how this can be achieved?
-- EDIT --
This is some sample code I was using with dynamic and this works in terms of retrieving the data but it wont serialize into Json in the middleware (see exception below).
...ANSWER
Answered 2021-Nov-16 at 15:28The reason this is happening is because Microsoft.Azure.Cosmos still uses Newtonsoft.Json to serialize and deserialize.
Your ASP.NET Core application is using System.Text.Json. When working with Cosmos in an ASP.NET Core application, I will switch the solution to use Newtonsoft.Json instead of System.Text.Json. You can do this by adding this package:
Microsoft.AspNetCore.Mvc.NewtonsoftJson
- If you are using .NET Core 3.1, use version
3.1.* - If you are using .NET5, use version
5.0.* - If you are using .NET6, use version
6.0.*
Then, in your Startup.cs, inside ConfigureServices() method change this:
QUESTION
I recently updated my packages and I started to get this weird warning in a few projects. I'm unable to resolve it:
...ANSWER
Answered 2021-Nov-10 at 17:46In short, you have dependencies on two different versions of the same DLL. Breakdown below, but TL;DR, you should be able to resolve this by updating your PackageReference to System.Runtime.CompilerServices.Unsafe to version 6.0.0.
If you don't call into it directly, consider removing the PackageReference, as it should be added transitively via the other references listed below.
If you don't have a PackagerReference to this package, adding one (using version 6.0.0) would make that the primary reference, thereby again aligning everything at the same version.
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