CSS has come a long way in helping web designers and developers to reach the kind of richness allowed by print layouts. Now we can go a step further by augmenting 3D transformations into our photos, giving them motion graphics not possible in a static media.
Hack is a programming language for the HipHop Virtual Machine (HHVM), created by Facebook as a dialect of PHP. The language implementation is open source, licensed under the BSD License.
While it is close to PHP it is not that exactly and can move away from the realm altogether as it progresses. In modern web development you'll need an IDE to keep your project organized and help you perform routine tasks easily.
NGINX is a very popular web server which is becoming even popular than the previous king Apache. NGINX has very high performance and this makes it a perfect companion for the HHVM PHP Runtime using Fast CGI interface. NGINX and O'Reilly have teamed up to give you access to a new eBook about NGINX, A Practical Guide to High Performance, for a limited time.
Over five years ago some argued that Facebook and HipHop would make PHP a viable development option for the Enterprise. That did not happen - at least not directly. Many enterprises run Drupal and other PHP tools, but not in core mission critical tasks.
The Facebook team does rapid development cycles for HHVM. If you are running in HHVM production, you need to keep your code and environments up-to-date for security just as you would for PHP. In addition to Facebook itself - Wikipedia and many WordPress hosting platforms use HHVM. So it is definitely common enough to be a target for malicious activities.
During these first half of 2015, HHVM and PHP 7 (Beta 7.0.0 now available) have engaged in a battle to become the fastest PHP engine available.