Jump Start Node.js

Jump Start Node.js

Language: English

Pages: 150

ISBN: 0987332104

Format: PDF / Kindle (mobi) / ePub


Node.js is changing the way web apps are built. As Node.js apps are written in JavaScript, you can quickly and simply use your front-end skills to develop staggeringly fast, scalable real-time web applications.

Read this book and, in a weekend, you’ll learn how to:

  • Develop a complete working Node.js application - from start-to-finish
  • Deploy your new application to a production server
  • Scale your projects quickly and cheaply

PLUS discover how to use Twitter Bootstrap, MongoDB and Back-bone.js to create fancy web apps, extend their storage, and dy-namically update them.

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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Chapter 3 Persistence Pays . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Why MongoDB? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Choosing the Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 A

construct a template: var template = _.template(...); Then we convert the model into JSON: this.model.toJSON() … and feed it into the template, which will return plain HTML. Once we have the HTML, we can append each row to the table body. Now if you refresh the page, the original list of stocks and prices should once again appear on the screen. That’s a lot of work just to return to where we were before. However, we will now add clientside filtering where the benefit of Backbone will become

http://four.livejournal.com/963421.html Coming to a Server Near You C10K problem,7 which poses the dilemma of how to handle ten thousand or more concurrent connections for a web server. Some technology platforms are ill-equipped for managing this type of capacity and require various patches and workarounds. Node.js excels at this task because it’s based on a nonblocking, asynchronous architecture designed for concurrency. I hope I’ve whetted your appetite; it is now time to begin. On Speed The

Node.js Fedora, and RHEL/CentOS, as well as several other Linux distributions. Windows and Mac OS X instructions are also available. After installation, type node at the command line to bring up the read-eval-print loop (REPL). You can test your installation by typing: console.log('Hello world') You should receive: Hello world undefined If you did, congratulations! You have just written your first Node.js program. The console always prints out the return type. This is why Hello world is

module.exports.addUser = addUser; // Add user to database function addUser(username, password, callback) { var instance = new MyUser(); instance.username = username; instance.password = password; instance.save(function (err) { if (err) { callback(err); } else { callback(null, instance); } }); } We begin by importing our previously defined database module and defining a simple schema. We can then instantiate a new user, set the username and password, and save to the database using the save

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