February 24, 2018

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    By edureka!

    This Edureka "Node.js tutorial" video will help you to learn the Node.js fundamentals and how to create an application in Node.js. Node.js is an open-source, cross-platform JavaScript runtime environment for developing a diverse variety of server tools and applications.

    Below are the topics covered in this tutorial:
    1) Client Server Architecture
    2) Limitations of Multi-Threaded Model
    3) What is Node.js? 4) Features of Node.js
    5) Node.js Installation
    6) Blocking Vs. Non – Blocking I/O
    7) Creating Node.js Program
    8) Node.js Modules
    9) Demo – Grocery List Web Application using Node.js

     

     

     

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    By node.js

    Node's Event Loop From the Inside Out - Sam Roberts, IBM

    Do you think Node is asynchronous because it uses a thread pool for network interactions? Do you there is a relationship between "event emitters" and the "event loop"? I will be working through these misaprehensions as well as others, showing how the Node.js event loop really works. There are many, many pictures and blogs on this topic, but many of them are subtly wrong, or outright misleading.

    Despite that its event loop that is key to Node's scalability and performance, it remains a misunderstood black box to many. I will show how it works - C code may be seen! - talk about why it works that way, and what some of the implications are for Node developers, as well as briefly describe some changes that the Node core team are considering with respect to how Node uses libuv.

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    By Accusoft

    JavaScript development is inherently done as a single execution thread with gratutious use of events to prevent blocking. The end result of the most common method, callbacks, is difficult to read code and a decidedly difficult to read codebase for developers used to most blocking procedural languages. Promises, added natively to Node in the 4.x release, offer a better way to handle the parallel operation of blocking operations in an asynchronous environment.

     

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    By HasGeek TV

    My journey with Node started over 3 years ago, and I presented my initial learnings about running Node in production at JSFoo 2014. We have been using Node as our primary web serving layer since then, adding more features, more properties and most importantly, more traffic onto it. This led to the discovery of a lot of bottlenecks and a lot of late-night load tests. In this talk, I’ll be focusing on scaling a Node based web server and what kind of issues we have run into. This will include different approaches to attacking this problem like horizontal and vertical scaling. I will be taking you through the variety of resource bottlenecks you can expect to run into, like network, memory, disk and cpu. I’ll touch upon how to find these bottlenecks and what technologies you can use to solve them. Running a Node server in production is not for the faint of heart, but it gets much easier when you know how to juice out the maximum performance from your systems!

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