How to upload image to nodejs and expressjs server using javascript

In web application development, most of the time you need to upload, save images and other files like pdf, docs etc. So in this blog, I will show you two ways to upload images to nodeJs server and ExpressJs server using Javascript. One is using “Sending image data as base64 string to server” and other […]

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geospatial queries in mongodb location based data

Overview of Geospatial queries in MongoDB: Although we can perform the queries based on spatial coordinates in SQL as well the simplicity and ease of implementation of such queries in MongoDB which is a JSON based storage is quite easy. Let’s explore these by doing. We will proceed with an example of collection named “Address”. […]

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Cafeteria Management System and computer vision

Computer Vision Introduction: Cafeteria Management System: Since the 1960s humans have been fascinated by the idea of creating a system that moves, thinks and responds to the environment the same way a human does like a computer vision. Basically, the desire is to create a machine that can replicate a human being. But for this […]

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Face recognition and facial recognition

Face Recognition | Facial Recognition Introduction: Research in the domain of Facial Recognition or Face Recognition Systems has been conducted now for almost 50 years. Over the years, it has found numerous practical applications in the area of biometrics, law enforcement, surveillance, access control, smart cards, and information security. Facial recognition is a software that […]

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Elastic search, elasticsearch

What to expect From this Blog? This blog covers the theory of elastic search, terminologies, scenarios Blog does not include installation or writing queries, creating indices etc. This blog surely can give the you a better idea of what is elastic search and how it works. What is Elastic Search? Elastic Search is an analytics […]

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higher order components (HOC)

A Higher Order Components (HOC) is a function that accepts a Component as an argument and returns a Component.  It is an advanced technique to React for reusing component logic. HOCs are a pattern that emerges from React’s compositional nature. Examples of Higher-Order Components (HOCs) There are many, but some notable ones: The most common is probably Redux ’s […]

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Angular 6

As we know Angular 6 beta version has been released. The angular team comes up with a lot of features.   In Angular 6 modules, they generally focused on  How to reduce the compilation time  How to reduce the code size  Service workers  CDK   Bazel Compiler: Whenever we do the development small changes comes every […]

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Chrome Developer Tools are debugging & Web authoring tools built into Google Chrome. The Chrome Developer Tools helps web developers to access the internals of their web application and helps to speed up debugging and optimization. This article gives some tips on how to use Chrome Developer tools. Open Dev Tools Select the Chrome menu […]

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