Git is the most popular and widely used version control system today. Originally dev…
Callback is a function that is being passed to an async task on completion the funct…
Promises have been introduced 2015 to allow for more readable asynchronous code tha…
CRUD operations Create, Read, Update, Delete documents or data. Create / Insert Oper…
Sharding is the process of storing data records across multiple machines and it is M…
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