Questions tagged [reactive-programming]

Reactive Programming is a programming paradigm oriented around data flows and the propagation of change.

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Lightweight, modular Discord bot - tips and feedback on the code?

The full project is up on GitHub. The codebase is super small as it stands. I'm brand new to reactive programming and Spring, and would mostly like insight on those two things. Asynchronous ...
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1answer
34 views

Merging client names into orders using RxJS

I have an API which I can't modify. I have to use data as it is. I want to join data from two separate requests where the second request is based on data from the first one. I have a working ...
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Endless scroll in kotlin (android)

This is the code of my function to endless scrolling. It's a good practice to bind new disposable in onscroll listener? What do you think about my code? ...
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1answer
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Getting serial port list

Needed to get a local serial port list. System.IO.Ports.SerialPort.GetPortNames() returns names but not the descriptions like you can see in Device Manager: ...
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2answers
1k views

Observable implementation

I have implemented a simple Observable class. I think that there is still room for improvement. Especially the fact that I have separate array to observe results ...
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0answers
978 views

Implementation of reactive file write from InputStream

I want to implement reactive write to file. In low level, it uses NIO and Futures. After reading this section I created this code but maybe there's more clean or less code solution. Thanks. ...
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703 views

Polling implemented using reactive framework (project reactor)

I have a use case where I need to poll a certain service till all data has arrived. The service accepts a list of ids and responds with data corresponding to these ids. Data is asynchronously made ...
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121 views

React.JS functional paradigm

I have some (minimal) experience with the functional programming paradigm and I'm new to React.js and reactive programming. I'm trying to get a flavour for the React.js philosophy and I keep seeing ...
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1answer
290 views

Notify user of credential failure and make another attempt

The below code works because of the do operator on line 24. Is there a more functional way to get the test to pass, or would you consider this an appropriate use of ...
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1k views

Paging loader using RxSwift

This is generic logic for handling network requests that load data based on pages. It is assumed that the view controller would implement the UISource protocol. I ...
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1answer
4k views

Is my implementation of a simple CRUD service with Spring WebFlux correct?

I am implementing a simple Movie based CRUD API using Spring WebFlux and Reactive Spring Data MongoDB. I want to make sure that my implementation is correct and that I am properly using Flux and Mono ...
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1answer
550 views

Line count of each file in a given directory efficiently using akka

This is my first program in akka so I wanted to know if the program is efficient and is using the advantages of actor model. The program's purpose is to scan a given directory for any files and print ...
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REST request using reactive programming

The following code is an extract of a small library I wrote. Full code is available here. My question is about the following function. I added comments on each state. I'm wondering if I could do ...
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1answer
72 views

ReactiveX observable that uses another observable

I am trying to write an Angular service that will wrap the regular Http service and automatically make authentication calls if Bearer token is not available or invalid. Here's an illustration of a ...
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1answer
146 views

Video downloader app implemented in RxJs

I have used multiple map/flatmap combinations. Could anybody help me with the review? ...
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1answer
859 views

Reactive Properties for easy property binding

This is my attempt to write a data-bindable, platform independent property that doesn't require any literal strings. The basic idea is to basically have the same functionality as IObservable, but with ...
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1answer
3k views

ReactiveUI And WPF - Reusing a value to update multiple properties

I've created my first ReactiveUI app in WPF. Simply, the user enters their full name in one textbox, and then the name gets split into its parts and displayed in the other textboxes. This is just an ...
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1answer
60 views

Preforming some async operations with Rx.js

I tried to come up with a good challenge to learn some Rx.js programming and I came up with this chain of operations below. As well as a bit of code that works and does these things. Take github ...
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3answers
523 views

Performing data transportations in RxJS with Promises

I'm using RxJS 5.0.0-alpha.12 to perform some data transformations, and some of those transformations use Promises. ...