Angular NgFor binding to Iterables Explained

When building Angular components, we often use data structures like arrays and hashtable to build a collection of objects.  This enables us to use HTML templates to iterate the collection and display the object properties using the ngFor directive. It is here that we come across a behavior...

Firebase Provided authentication credentials are invalid

When trying to access a Firebase realtime database from a Firebase function or a client application with the incorrect permissions, we often get the “Provided authentication credentials are invalid” error which does now allow us to access the database.   @firebase/database: FIREBASE...