introduction to nodejs - springpeople
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Introduction to
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What is NodeJS?
Node.js® is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.
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Websites Using NodeJS
• Walmart
• Yahoo
• Paypal
• Yammer
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Threads And Scheduling
• Smallest sequence of executable code.
• Run multiple threads together.
• Threads block.
• Threads are managed by Scheduler.
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• Node is fast.
• Node is also perfect for offering a RESTful API - a web service which takes a few input parameters and passes a little data back – simple data manipulation without a huge amount of computation.
• One Codebase And Your Real-time For Free
• Node.js is very good at handling I/O.
Why use Node?
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Modulus In NodeJS
• Decreased time to market: Much faster to deploy an existing platform than to build your own.
• Easier to use: Training required to manage the platform is much lower compared to a home-grown solution.
• Easier to configure: Proper configuration of a connected set of open source tools is difficult, error prone and hard to keep in sync with new releases.
• Full-featured product: Modulus is a market-validated enterprise-ready platform versus home-grown solutions which are often “good enough”.
• Fully supported system: Modulus is fully supported versus no support or guaranteed bug fixes for open-source components used in a home-grown system.
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Modulus In NodeJS
• No risk in losing internal know-how: Home-grown solutions lose value when the engineers who built them leave or change roles.
• No need to find or hire DevOps knowledge: Modulus does not require specialized skill sets to operate and maintain.
• Increased reliability: Modulus is proven and battle-tested, inherently more reliable than a home-grown solution.
• Better utilization of infrastructure: An advanced LXC-based architecture enables maximum infrastructure utilization across available resources.
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NPM - Node Package Manager
• It installs application dependencies locally, not globally.
• It handles multiple versions of the same module at the same time.
• You can specify tar balls or git repositories as dependencies.
• It's really easy to publish your own module to the npm registry.
• It's useful for creating CLI utilities that others can install (with npm) and use right away.
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How you can master NodeJS?
Become an expert in 2 days.
World class NodeJS training by the industry experts.
More Details
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Suggested Audience & Other Details
• Suggested Audience - Web developer who wants to build data intensive scalable applications using Node.js
• Duration – 2 Days
• Prerequisites – Experience in Application Development in any programming language
– Basic knowledge of the JavaScript language
– Exposure to any server technology (J2EE, .NET, Ruby etc)
Syllabus
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