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One of the best practices in Angular is to unsubscribe from Observables when we no longer need them. For that, do we have to do
Author: Emmanuel DemeyStatus: PublishedQuestion passed 2270 times
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Why is the following snippet not validated?
```jsx
<h1>Products Lists</h1>
<ul>
<li *ngFor="let p of products" *ngIf="p.stock > 0">
{{ p.name }}
</li>
</ul>
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Answer: We cannot have ngFor and ngIf on the same element