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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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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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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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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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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ELV(End of life vehicles): In the past few years, a trend has been established, where plastics are considered a preferred material choice in designing and making complex consumer products, such as automobiles. The reason is plastics possess certain unique characteristics. The increasing use of plastics shifts the environmental burden from the life cycle phase to […]

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What is React Portal? React Portal provide the way to render children into a DOM node that exists outside the DOM hierarchy of the parent component.   Format ReactDOM.createPortal(child, container)   where the child is the Component which will be rendered at the place of the container which is dom node.   Implementation:   render() { […]

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What is Angular Server Side Rendering? Angular Server Side Rendering is rendering the initial view from the server side later on everything will be handled by the Browser. In, this blog we will try to implement SSR in Angularjs. In addition to that you will know what is Angular Universal? Regular Angular Application A normal Angular application executes […]

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