Rxjs Questions

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RxJS - Epic Reads Only 1 Promise

I have an epic. i want to pass 2 http get requests. they are both promised based. but it only bring data for the first processed one. the
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NgRX Effect is not workling

Im trying to work with ngrx and angular. my authenfication works but my product store doesn work because nothing happens: i working with

angular try catch vs catcherror

For an angular project i am given an url that contains a list of all api paths (discover path). in my application i want to call the discover path
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RxJS - race between click and timer

I struggle to create an observable that would emit each time i click or, if i don't click, emit each second and whose timer would be reset each
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Undefined value after RxJs mapping

Why am i getting undefined inside subscribe method? i am trying to combine to data sources. customers and categories. i am trying to fill

How to debounce by ID in RxJS

My problem is the next: i want to debounce the liking functionality of my app. i using actions to make changes in my app, for example:

Recursive calls to Firestore

I have a firebase firestore with "components" as a root collection. each document (a "component") in the collection may have an array called
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How to use forkJoin properly

I have a problem with inner observables. const wordscollection = this.db.collection('words').valuechanges(); return

Angularfire2 Observable Recursion

I am attempting to create a "breadcrumbs" list by looping through documents and grabbing their parents. my data structure looks like so:
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