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How to select fields in a document in MongoDB

🍿 2 min read

MongoDB is really easy to work with. Today, we will see how to select only few fields out of a large document using mongo query

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How to revert back to older commit in git

🍿 2 min read

We always want to go back in git history. Aren't we?. We will learn the trick to do so

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Do you know spread operator in Javascript object is mutable?

🍿 2 min read

Spread operator becomes the defacto solution for creating immutable object in javascript. But make sure to have the caution, spread operator does mutate objects in specific cases. We will see it briefly.

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How to find a document in mongo using partial value of a field

🍿 1 min read

It's very easy to find a document in mongoDB by value, but do you know how easy is to find a document using case insensitive string

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How to find a document in a mongo collection based on whether a field exists or not

🍿 1 min read

In NoSQL, you can save different document in a single collection. Now if you want to find documents with specific field, how do you find that? There is an easy way, we will see it in example.

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How to rename local and remote branch in git

🍿 1 min read

Often, we want to rename the branch in Git. Totally we will see, one of the easiest way to do it for both local and remote branch

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Learn how to handle nested routes and nested content using react router

🍿 6 min read

Most of the SaaS single page applications have nested routes. We will see how to build nested routes in a react application using react router library

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Error handling while using native fetch API in JavaScript

🍿 2 min read

We will see, how to handle fetch API errors using promises and async await syntax in JavaScript

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