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#tech talks

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

October 29, 2019 β€’ 🍿 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

October 16, 2019 β€’ 🍿 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

October 03, 2019 β€’ 🍿 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

September 16, 2019 β€’ 🍿 2 min read

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

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Async functions always return a promise - Lets deep into the Async world

August 31, 2019 β€’ 🍿 1 min read

Async await become integral part of any modern application in JavaScript. We have used async for all asynchronous operation and return the promise ourself. But do you know, how async works? Lets see it in detail.

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Rename variables while destructuring

August 27, 2019 β€’ 🍿 1 min read

Destructuring is a great feature and has many use cases. Today, we will see how to rename a variable while destructuring and some use cases for it.

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Default values while Destructuring in JavaScript

August 18, 2019 β€’ 🍿 2 min read

Destructuring object or array are great features in es6. There are several use cases for it. In this article, we will learn how to set default values while destructuring.

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Styling a react app using Emotion CSS in JS library - An introduction to Emotion

August 16, 2019 β€’ 🍿🍿 8 min read

How to style your react app using emotion library. It has several ways to style the app. We will learn how to create global styles, styled components and CSS in JS through set of emotion libraries.

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