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Node.js hosting, cloud products and services

Node.js hosting, cloud products and services

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Docs #Installing $ npm install socket.io #Using with Node http server Express - guide Getting started With node installed (download), get your first application started by creating a directory somewhere on your machine: $ mkdir hello-world In this same directory you'll be defining the application "package", which are no different than any other node package. You'll need a package.json file in the directory, with express defined as a dependency. You may use npm info express version to fetch the latest version, it's preferred that you do this instead of "3.x" below to prevent any future surprises. How To Use node.js, request and cheerio to Set Up Simple Web-Scraping Introduction: In this tutorial, we will scrape the front page of Hacker News to get all the top ranking links as well as their metadata - such as the title, URL and the number of points/comments it received. This is one of many techniques to extract data from web pages using node.js and mainly uses a module called cheerio by Matthew Mueller which implements a subset of jQuery specifically designed for server use. Cheerio is lightweight, fast, flexible and easy to use, if you're already accustomed to working with jQuery. We will also make use of Mikael Rogers' excellent request module as a simplified HTTP client. Requirements:

Developers Getting Started DIY's API is open for use by any institution or individual. We only ask that you follow the content guidelines and other terms found in our TOS. tutorial Introduction to Node.js This is a Node.js Tutorial from w3resource. You will learn About What Node.js is, History, Features,How to install Node in Windows and in Linux, Followed by a comprehensive discussion of each of the modules of Node.js API. By the end of this Tutorial, you will be able to develop and deploy Node.js Applications by yourself. What is Node.js Node.js is a framework to develop highly-scalable applications which can handle tens of thousands of simultaneous client connections efficiently. Authenticate Authenticate Authenticating requests is as simple as calling passport.authenticate() and specifying which strategy to employ. authenticate()'s function signature is standard Connect middleware, which makes it convenient to use as route middleware in Express applications. app.post('/login', passport.authenticate('local'), function(req, res) { res.redirect('/users/' + req.user.username); });

Architecting a Secure RESTful Node.js app In this post, we will take a look at architecting a Node.js app that will act as a REST API server for all of our clients. We will be implementing a Token Based Authentication to authenticate and authorize the client to access the application data. This application design is targeted at systems that would like to implement its own REST API with a custom authentication.

Useful Node.js Tools, Tutorials And Resources Advertisement Created by Ryan Dahl in 2009, Node.js is a relatively new technology which has gained a lot of popularity among Web developers recently. However, not everyone knows what it really is. Node.js is essentially a server-side JavaScript environment that uses an asynchronous event-driven model. Best practices for Express app structure Node and Express don’t come with a strict file and folder structure. Instead, you can build your web app any way you like. This is great, especially for small apps. It is easy to start, learn and experiment. However, as your application grows in size and complexity, things might get confusing. Your code becomes messy.

Connecting and Working with MongoDB with Node & Express Every web application needs a place to store its critical data. Node and Express apps are no exception. One of the most popular NoSQL databases in the last few years, especially when working with Node, is MongoDB. As you grow, your needs grow. You need more than just to connect to your database and get some stuff. You need to add some business specific logic.

webapplog: [programming weblog] Note: This text is a part of Express.js Guide: The Comprehensive Book on Express.js. Express.js is one of the most popular and mature Node.js frameworks. You can read more about in Intro to Express.js series on webapplog.com: To learn how to create an application from scratch please refer to the earlier post. Request Handlers

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