Let's say we have an Observable:  var observable = Rx.Observable     .fromEvent(document.getElementById('emitter'), 'click');   How can I make it Complete (what will trigger onComplete event for all subscribed Observers) ?...
Imagine I have the following code:  let a = Rx.Observable.of(1, 2, 3) let b = Observable.zip(a, a, (a, b) => a + b) b.forEach(t => console.log(t))   This immediately outputs the results. Now, how do I put a timed delay between each message as a...
I'm attempting to repeat a request until the response has data using RxJS, at which point I'd like to call a success (or failure) handler, but I'm having trouble w/RxJS. Here's my current approach:  // ... redux-observable action obse...
I have learned of two different ways of making an Observable. First one was with a Subject, like so:  // file A const message$ = new Subject();  // file B message$.subscribe( (message) => console.log(message) );  // file C message$.next("Hello...
Context: To generate swift code using a JSON tree I’m traversing the tree in pre-order format reaching down into all the leaf nodes, effectively flattening the tree into an array.  Description: Using Rx.Observable.generate() to create an observable...
When grouping output with the combination of .groupBy and .concatAll, some expected output is not generated.  Sample code:  var Rx = require('rx');  var source = Rx.Observable.from(['a1', 'a2', 'b1', 'b2', '...
RxJS Observables are functions that can return zero to infinite values, over time, synchronously or asynchronously.  But how exactly is asynchronous behavior achieved? Does it use separate threads somehow, or does it use a Web API and the JS event lo...
I have a collection that looks like this  [   {     count: 123,     description: 'some description',     articles: [      {...}     ]   },   {     count: 234,     description: 'some description',     articles: [       {...}     ]   }...
In the below code, the anonymous function run by the forEach loop is able to call subscription.dispose() on its first run-through, before the buttonClicks.forEach(..) has returned the subscription object to the subscription variable.  How can forEach...
How does one think and structure code "reactively", coming from a promise background?  I'm struggling with a very simple setup. I have a method .authenticate that should return an observable that yields a boolean (that already makes me fe...

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