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Amine Boucham
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2850Contributions played
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1336Questions completed
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22 questions
Medium
2 votes142 runs1 comment

How to use the `__construct()` method in PHP.

Back-end developer
constructor
errors
Amine Bouchamat Sep 5, 2022
Medium
0 vote246 runs0 comment

How to use the null coalescing operator in PHP

Back-end developer
null coalescing operator
ternary operator
Amine Bouchamat Sep 5, 2022
Easy
0 vote140 runs0 comment

Why use name variables with **$** at the end in RxJS?

Front-end developer
RxJS
observables
Amine Bouchamat Feb 13, 2023
Hard
0 vote127 runs0 comment

How to listen to an input field in order to offer auto-completion to my user in RxJS

Front-end developer
RxJS
operators
debounce
Amine Bouchamat Sep 5, 2022
Easy
0 vote125 runs0 comment

What programming paradigm does RxJS bring?

Front-end developer
RxJS
programming paradigm
reactive
Amine Bouchamat Sep 5, 2022
Hard
0 vote122 runs0 comment

Why use the Share operator in RxJS?

Front-end developer
RxJS
observable
operators
Amine Bouchamat Sep 5, 2022
Hard
0 vote117 runs1 comment

Explain the difference between a ReplaySubject and a BehaviorSubject in RxJS

Front-end developer
RxJS
subject
Amine Bouchamat Sep 5, 2022
Medium
0 vote114 runs0 comment

Explain the difference between a Subject and a BehaviorSubject in RxJS

Front-end developer
RxJS
subject
behaviorsubject
Amine Bouchamat Sep 5, 2022
Easy
0 vote112 runs0 comment

Why use RxJS ?

Front-end developer
RxJS
async
operators
Amine Bouchamat Sep 5, 2022
Hard
0 vote110 runs0 comment

How to turn a cold observable into a hot observable in RxJS

Front-end developer
RxJS
observables
operators
Amine Bouchamat Sep 5, 2022
Hard
0 vote110 runs0 comment

Combine a large number of requests in RxJS

Front-end developer
RxJS
operators
observables
Amine Bouchamat Sep 5, 2022
Medium
0 vote108 runs0 comment

Is it important to use unsubscribe on the forkJoin operator?

Front-end developer
RxJS
operators
Amine Bouchamat Sep 5, 2022
Medium
0 vote108 runs0 comment

How is this way of doing called? ```ts interface UserData { [key: string]: any; } class UserDataService { private userData: BehaviorSubject<UserData> = new BehaviorSubject({}); private userData$: Observable<UserData> = this.userData.asObservable(); public setUserData(userData: UserData) { this.userData.next(userData); } public getUserData(): Observable<UserData> { return this.userData$; } public getUserDataByKey(key: string) { return this.userData$.pipe(map((userData) => userData[key])); } } ```

Front-end developer
RxJS
encapsulation
typescript
Amine Bouchamat Sep 5, 2022
Medium
0 vote107 runs0 comment

What is an Observable?

Front-end developer
RxJS
observable
Amine Bouchamat Sep 5, 2022
Medium
0 vote107 runs0 comment

What are the major changes between RxJS 5 and RxJS 6?

Front-end developer
RxJS
operators
pipe
Amine Bouchamat Sep 5, 2022
Easy
0 vote107 runs0 comment

Explain the difference between a **Cold** Observable and a **Hot** Observable.

Front-end developer
RxJS
observables
unicast
multicast
Amine Bouchamat Sep 5, 2022
Easy
0 vote107 runs0 comment

Transform a dom event into an Observable

Front-end developer
RxJS
operators
dom
Amine Bouchamat Sep 5, 2022
Easy
0 vote106 runs0 comment

Which of these frameworks uses RxJS natively?

Front-end developer
RxJS
angular
Amine Bouchamat Sep 5, 2022
Easy
0 vote93 runs0 comment

What is an Higher Observable?

Front-end developer
RxJS
observables
arrays
Amine Bouchamat Sep 5, 2022
Hard
0 vote26 runs0 comment

Create a custom operator in RxJS

Front-end developer
RxJS
operators
custom
Amine Bouchamat Sep 5, 2022