An Introduction to node.js
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Node.js is a server-side JavaScript platform for building scalable network applications. It uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, especially for data-intensive real-time applications that run across distributed devices. Some key features include a single-threaded event loop that handles client connections in a non-blocking way, allowing the system to scale to many connections without slowing down. The core API is written in C/C++ but accessible from JavaScript code. It also has a large ecosystem of open source modules available via the NPM registry.
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Eclipse & die Microsoft cloud
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• AngularJS - Client Application Framework
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Scenejs
SceneJS is a JavaScript library that provides an easy-to-use API for WebGL. It uses a JSON-based scene graph structure to define 3D scenes and models. SceneJS aims to lower the barrier to working with WebGL by handling lower-level WebGL calls and optimizations under the hood. It supports features like instancing, level-of-detail, and bounding volumes to improve performance. The library is open source and its architecture is designed to integrate well with other web technologies.
SceneJS
SceneJS is a JavaScript library that provides an easy-to-use API for WebGL. It uses a JSON-based scene graph structure to define 3D scenes and models. SceneJS aims to lower the barrier to working with WebGL by handling lower-level WebGL calls and optimizations under the hood. It supports features like instancing, level-of-detail, and bounding volumes to improve performance. The library is open source and its architecture is designed to integrate well with other web technologies.
HTTP Plugin for MySQL!
The document discusses the introduction of an HTTP plugin for MySQL. Key points:
- The plugin allows MySQL to communicate over HTTP and return data in JSON format, making it more accessible to web developers.
- It provides three HTTP APIs - SQL, CRUD, and key-document - that all return JSON and leverage the power of SQL.
- The initial release has some limitations but demonstrates the concept, with the goal of getting feedback to improve the APIs.
- The plugin acts as a proxy between HTTP and SQL, translating requests and allowing full access to MySQL's features via the SQL endpoint.
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OpenSource API Server based on Node.js API framework built on supported Node.js platform with Tooling and DevOps. Use cases are Omni-channel API Server, Mobile Backend as a Service (mBaaS) or Next Generation Enterprise Service Bus. Key functionality include built in enterprise connectors, ORM, Offline Sync, Mobile and JS SDKs, Isomorphic JavaScript and Graphical API creation tool.
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An Introduction to node.js
- 1. An Introduction 9. . 2012 { Patrick Heneise @PatrickHeneise
- 2. What is node.js? “Node.js is a server side software system designed for writing scalable Internet applications, notably web servers. Programs are written on the server side in JavaScript, using event-driven, asynchronous I/O to minimize overhead and maximize scalability.” - http://en.wikipedia.org/wiki/Nodejs
- 3. Server Side Software System Yet Another Web Framework
- 4. event-driven, asynchronous I/O for V8
- 6. Apache Nginx 40 30 Memory in MB 20 10 0 0 500 1000 1500 2000 2500 3000 3500 4000 Concurrent Connections http://blog.webfaction.com/2008/12/a-little-holiday-present-10000-reqssec-with-nginx-2/
- 8. Event Loop
- 9. JavaScript
- 10. [...] if you work on the web, love it or hate it, you’re going to have to work with JavaScript at some point.
- 11. Installation
- 14. Hello World!
- 15. var http = require('http'); http.createServer(function (req, res) { res.writeHead(200, {'Content-Type': 'text/plain'}); res.end('Hello Worldn'); }).listen(1337, '127.0.0.1'); console.log('Server running at http://127.0.0.1:1337/');
- 16. Twitter Demo
- 17. What is node.js? Basic theory Installation Hello World Twitter World npm - the node package manager
- 19. NPM Ruby Gems pip 30000 22500 15000 7500 0 11/09/2012 Number of Modules npm vs. gem vs. pip
- 20. Node Deployment
- 22. Helicopters! Flying robots & node.js http://nodecopter.com
- 23. Summary Extremely fast operations V8 Runtime Rapidly growing ecosystem Super easy deployment, free developer services JavaScript
- 25. Q&A
- 26. Thanks