Facebook has open sourced Conceal, a set of Java APIs for file encryption and authentication on Android. Conceal uses a subset of OpenSSL’s algorithms and predefined options in order to keep the library smaller, currently being 85KB.
Om is a new a ClojureScript interface for Facebook’s React HTML UI library. Om uses Clojure(Script)'s persistent data structures and requestAnimationFrame to further improve React's rendering. InfoQ talked to Om's creator, David Nolen, about Om and the benefits of functional concepts for application programming.
Facebook has posted on how they've sped up Mercurial to be five times faster than Git in certain operations. Read on to find out what they have changed, and why it makes such a difference for their setup.
Chaitanya Mishra, from Facebook, spoke at Velocity Conf London last month about the approach to scale Facebook’s Android app from a web view interface to a full-fledged native app. To achieve this transition each product team took ownership of their features on Android. A core integration team regression tests and focuses on global app optimization over individual features optimization.
On each day of the 3-day conference at the inviting environs offered at the Hyatt there was a jam-packed schedule of speakers, exhibits and activities that made for some difficult decisions as to which tracks and what happening to attend.
Facebook has open-sourced Presto, their distributed SQL query engine. Presto uses a pipelined architecture rather than the Map/Reduce design found elsewhere. In production since early this year, Facebook has since “deployed in multiple geographical regions and [they] have successfully scaled a single cluster to 1,000 nodes”.
In the beginning of MBaaS, there was StackMob. Since then the mobile ecosystem has become flooded with competitors in this new approach to app dynamics. InfoQ takes a closer look at the Mobile Backend as a Service (MBaaS) provider StackMob and its privacy practices.
Vision Mobile is a UK think tank whose periodic reports are geared to assist mobile developers and other players in the vast mobile ecosystem in making sense of the cacophony of mobile trends. Their reports provide informed guidance that can help devs make the best decision about where to concentrate their marketing efforts.
This article contains details on the recently open sourced Buck and xctool, the build tools used internally by Facebook for their native Android and iOS applications.
Part 2 of Infoq’s exclusive virtual interview with Anypresence cofounder Richard Mendis. The CMO weighs in on Facebook’s acquisition of competitor Parse and provides intel on the pricing structure of Anypresence.
The recently released PhoneGap Facebook Plugin enables developers to enable Facebook single sign-on into their PhoneGap based Android and iOS apps. Facebook also released SDK for .NET which enables developers to integrate Facebook into their Windows Phone and Windows 8 applications.
Sencha has created Fastbook, an HTML5 application closely mocking Facebook’s native application and displaying similar performance both on iOS and Android in an attempt to demonstrate that “HTML5 is ready.”
Facebook has announced using HHVM, a HipHop VM with JIT compilation, in production, a solution that has unified their development and deployment environments, providing significant performance gains for developers.
Facebook has open sourced Corona, an in-house developed improvement to Hadoop MapReduce scheduling software.