Define event loop in Node.js.

Node.js is a server side java script framework. It is a single-threaded application, but it can support concurrency via the concept of event and callbacks. The event loop is what allows Node.js to perform non-blocking I/O operations, and this is what i am going to...

MongoDB aggregation Pipeline Uses

The MongoDB aggregation Pipeline just like UNIX command shell Pipeline means the possibility to execute an operation on some input and use the output as the input for the next command and so on. So MongoDB supports the same concept of an aggregation...

Things to know Before Using MongoDB

MongoDB is a very impressive cross-platform, document-oriented database that can be used in the most type of projects. its an open source edition and built-in C++ language. MongoDB most popular in NoSQL database. Why use MongoDB? The most and main benefits of MongoDB...