Dynamic Data
Rx.NET
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Dynamic Data | Rx.NET | |
---|---|---|
5 | 61 | |
1,653 | 6,439 | |
1.9% | 1.6% | |
9.1 | 6.6 | |
about 16 hours ago | 16 days ago | |
C# | C# | |
MIT License | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Dynamic Data
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System.Reactive v6.0.0-preview.1 available on NuGet
Personally I learned to use rx and observables by starting to use ReactiveUI combined with DynamicData for my WPF app MVVM architecture. It was maybe not to best choice out there, but I learned to work with it and some things it allows to do is awesome.
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A better way to work with state properties in MVVM
reminds a lot of https://github.com/reactivemarbles/DynamicData
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Beginner MVVM + Reactive Question (C# + UniRx)
If you're trying to use reactive with MVVM, you might have a look at ReactiveUI, an MVVM toolkit designed to work with reactive extensions. Specifically in this case, you could leverage DynamicData (RXUI's preferred method of handling collections), which lets you trigger updates based on change notification from child items, among other things. I'm still relatively new to RXUI myself, but if you have any questions I can certainly try to help a bit more.
Rx.NET
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Patterns for consuming a throttled/rate limited external APIs?
https://github.com/dotnet/reactive has a lot of different time related extensions for "events". Maybe you'll find something for yourself, if you google for rate limiting with reactive.
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How can you detect when a user has stopped scrolling with WPF
Install Reactive Extensions: https://github.com/dotnet/reactive
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MVVM Question: How do you manage the interaction between Model and ViewModel?
I'd use a dedicated event bus based on Reactive Extensions or MediatR to publish domain events from your domain services. This probably doesn't solve all your ViewModel update problems as is, maybe you need to revise the granularity (maybe you can have smaller ViewModels that refresh single property that exposes the Model) and lifespan (sometimes you can create a ViewModel, make it perform it's task and then discard it completely) of your ViewModels.
Typically if you want to notify interested parties (ViewModels in case of WPF) of Model changes you'd use some kind of pub-sub mechanism like Reactive Extensions or MediatR. Your ViewModel can subscribe to an event bus of some kind (either standalone or maybe exposed by an Aggregate if you follow DDD), your domain logic (which should be located in Model layer, not in ViewModel layer: Service, Repository, DDD Aggregate or whatever you'd like to call it) will then do something useful with your Model and publish the corresponding event to the event bus.
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Async Methods after setting a property.
If you're finding yourself in a situation where you need to turn this behavior into a pattern because there are a lot of View Models that need to execute async business logic in response to some changes, I'd go with something like MediatR or Reactive Extensions. The idea is, again, that some other, probably business-level, component listens to changes in a decoupled way (that means it doesn't subscribe directly to your View Model, but to an event bus instead). View Model publishes change events to the event bus, and business-component reacts to these events by executing the business logic.
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System.Reactive v6.0.0-preview.1 available on NuGet
We'd really appreciate if it consumers of the library could update and provide any issues / bugs via the GitHub repo: https://github.com/dotnet/reactive/issues
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Brett Slatkin: Why am I building a new functional programming language?
The thing that really irks me is that the generator pattern doesn't have to be an OO-first feature. Observable streams[1] work with the same basic foundation and those are awesome for FP.
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What Are Signals?
> I’m not sure what you mean by "Rx" in this context.
From “reactive extensions”, a proper name for a family of libraries[1] (RxJava, Rx.NET, RxJS), AFAICT one of the first attempted implementations of mature FRP ideas in the imperative world and one messy enough that it took React for anything similar to reënter the mainstream.
Compare the enthusiastic HN reception of “Deprecating the observer pattern” in 2011[2], mostly from people who heard of FRP in the functional setting, and the vitriol it received in 2018[3], from people for whom FRP came to mean Rx (and similarly confused things like Bacon.js). It is this vitriol that I meant to preemptively redirect by the mention of FRP ≠ Rx, so if you’re not aware of this history it’s no big loss to ignore it.
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I love LINQ and the Entity Framework
If you love LINQ, you'll like Rx.NET even more - iterating over events https://reaqtive.net/blog/2021/05/sequences-linq-rx-reaqtor-part-02-linq Or possibly even OData (LINQ to REST api)
- Just “Discovered” Linq. Now Whole Program is Full of Linq.
What are some alternatives?
RxJS - A reactive programming library for JavaScript
ObservableComputations - Cross-platform .NET library for computations whose arguments and results are objects that implement INotifyPropertyChanged and INotifyCollectionChanged (ObservableCollection) interfaces.
elsa-core - A .NET workflows library
duckdb - DuckDB is an in-process SQL OLAP Database Management System
ReactiveUI - An advanced, composable, functional reactive model-view-viewmodel framework for all .NET platforms that is inspired by functional reactive programming. ReactiveUI allows you to abstract mutable state away from your user interfaces, express the idea around a feature in one readable place and improve the testability of your application.
Disruptor-cpp - Port of LMAX Disruptor to C++
MediatR - Simple, unambitious mediator implementation in .NET
language-ext - C# functional language extensions - a base class library for functional programming
redux-phoenix - Restore redux state from previous sessions like a phoenix from ashes.
UniRx - Reactive Extensions for Unity
axios - Promise based HTTP client for the browser and node.js