Pushkar Baviskar

National Institute of Standards and Technology Unmanned vehicles, “intelligent” buildings, your cell phone, the fitness bracelet on your wrist—all of these are cyber-physical systems (CPS). Today the National Institute of Standards and Technology (NIST) has released a draft CPS Framework document intended to help manufacturers create new CPS that can work seamlessly with other such smart systems that bridge the physical and computational worlds.

P HP was the first open-source language designed for the web and reached maturity around 1999 with the release of PHP4.  Before PHP there was only Perl (free, but a general-purpose scripting language, kind of hard to learn) and ASP (which was not free and r equired an enterprise-level budget to run.)  So PHP had a head start of about 6 years over Ruby andy Python.  (These languages existed since the mid-1990s but had no web frameworks written for them). Despite PHP's many shortcomings (lack of true object orientation, weak exception handling, no lambdas, and as others have mentioned, is essentially a huge flat namespace of inconsistently-named functions) it won by its ubiquity.  It was free and even the cheapest commodity web hosting providers were offering PHP by 2002 or 2003, so it had a full generation in Internet years to establish itself as the common language for open source developers.   The emergence of Rails in 2005 began to change that but it too...

The device was announced at MWC Shanghai and brings about features that are present on a smartphone such as in-built 3G SIM support that enables the user to make/receive calls. Also, the  IRist includes an app called iConnect that syncs with the user’s smartphone, offering information on missed calls, unread messages, and call logs as well. In other features, the IRist includes a feature called the voice assistant that sends emails, messages, dial numbers, opens and closes apps at the command of the user’s voice. A fully functional keyboard further adds to ease of use. Also, the smartwatch comes with a Bluetooth headset that can be unplugged to take calls or listen to music. In terms of specifications, the IRist has a clear 240 x 240 resolution that reproduces 16 million colors. It also comes built-in with a 5MP camera along with a face detection feature. The smartwatch is powered by a 1.2 GHz dual-core processor which runs on Android KitKat...