Beautiful Architecture

privacy values themselves are not exposed to the application, yet it allows an application to enforce privacy. In this sense, FB ...

display behavior of the container site. Still, these kinds of modifications become important as the ecosystem of applications gr ...

echo 'Friends' reviews:'; echo ''; // put friends up top. foreach ($friend_reviewers as $book_uid => $review) { echo ''; echo ...

For this we employ some open source from a browser codebase. This chapter takes this part of the process as a black box, so let’ ...

implementation class serves as the actual logic and data access portion of the service, with the rest of the code delivering acc ...

Implementing data-display tags in FBML Example 6-27 shows examples of using Facebook data through FBML. takes uid, size, and ti ...

return ''; // unknown value? not visible $viewer = $this->get_env('user'); $predicate = can_see($viewer, $uid, 'user', $what) ...

// a list of FBML-specific tags () $fbml_tags = $fbml_impl->get_all_fb_tag_names(); // attributes of all tags to rewrite spec ...

Platform Cookies The new web architecture of applications cuts out some technologies built into the browser, upon which many web ...

Clearly, not all container sites implementing their own platforms need these modifications, but FBJS demonstrates the kinds of s ...

EXAMPLE 6-31. Example HTML and JavaScript output These links demonstrate the Ajax object: AJAX Time! var app=new fbj ...

The following are explanations of the NOTEs in the code: NOTE 1 Facebook needs to include its own specialized JavaScript, includ ...

Browser FB Logic FB Display Receiver FB API FB Service FB Data Privacy FQL App Logic App Display App Service (obj) (obj) $_REQUE ...

Starting from simple internal APIs that get a user’s friends or profile information, the whole range of improvements we’ve detai ...

P A R T I I I Systems Architecture Chapter 7, Xen and the Beauty of Virtualization Chapter 8, Guardian: A Fault-Tolerant Operati ...

...

C H A P T E R S E V E N Xen and the Beauty of Virtualization Derek Murray Keir Fraser Introduction XEN IS A VIRTUALIZATION PLATF ...

processor vendors that Xen can run unmodified operating systems, such as Microsoft Windows. One of the new frontiers in processo ...

Enter virtualization. Instead of giving the customer an account on the server, the provider gives him a fresh virtual machine to ...

As for performance isolation, it is difficult for an operating system kernel, which is an extremely complicated piece of softwar ...