Facebook Introduces ‘Hack ’ the programming language of the future

Facebook engineers Bryan OSullivan, Julien Verlaguet, and Alok Menghrajani have spent the last few years building a programming language unlike any other that Facebook uses to create its web-based system. The language is called Hack and the languages website says "Hack is a programming language for HHVM that interoperates seamlessly with PHP. Hack reconciles the fast development cycle of PHP with the discipline provided by static typing, while adding many features commonly found in other modern programming languages. Hack provides instantaneous type checking via a local server that watches the filesystem. It typically runs in less than 200 milliseconds, making it easy to integrate into your development workflow without introducing a noticeable delay." Hack is open source and available for you to use now. You can find out more on the hack.org website or in this post by Hacker News.




from The Universal Machine http://universal-machine.blogspot.com/

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Sign in to edx org with Google and Facebook and

Posted by John Cox, Software Engineer

Google is passionate about online education. In addition to our own Course Builder project, we’re also partners with edX, a not-for-profit that shares our desire for scalable, quality education for everyone. Their software, Open edX, lets people make educational content and deliver it online to anybody, anytime, anywhere. It powers their own site, edx.org, and is also used by companies and universities worldwide.

Today we’re very pleased to announce that you can now sign in to edx.org with your Google or Facebook account:

Until recently, users who wanted to take advantage of the high quality content on edx.org needed to create a new account first. This is a painful, error prone process?really, who wants to worry about yet another password? So we added the ability to use over 60 external authentication providers to Open edX, with support for everything from open standards like OpenID or OAuth 2.0, to custom university single sign-on systems. For their edx.org site, edX decided to let users pick between Google, Facebook, and a custom username and password.

If you run Open edX, you can also use this feature now. The authentication module is extensible so you can add any third-party provider you want if your favorite is not yet supported. And the feature is completely configurable, so you can pick whatever third-party authentication systems are best for your users, including none at all. It’s totally up to you.

By simultaneously increasing user choice, convenience, and security, we hope to make open online education even easier and safer to use, whether people pick Course Builder or Open edX for authoring and delivering courses. We’re very grateful to our partners at edX for working with us in this exciting field.

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POP mp3 is downloaded when using facebook chat

This is nothing but the new message sound. It is not a virus or bug.
To disable it, just Click on options and Un-check "Play sound for new messages"
Thats it, now enjoy chatting.

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