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Preferred Java way to ping an HTTP URL for availability

...at if the DNS is down? Google DNS (e.g. 8.8.8.8) is the largest public DNS service in the world. As of 2013 it serves 130 billion requests a day. Let ‘s just say, your app not responding would probably not be the talk of the day. read the link. its seems very good EDIT: in my exp of using it, i...
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Can you autoplay HTML5 videos on the iPad?

...m not forcing data on anyone who isn't deciding to watch a video with this service. I discovered this when trying to figure out how exactly Youtube pulled this off with their mobile which is essentially some really nice Javascript page building and fancy element hiding like in the case of the video ...
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How to get a subset of a javascript object's properties

...etc. -- any of the things you need to do when receiving an object from one service/library and building a new object needed somewhere else. While underscore/lodash are excellent, well-implemented libs, this is my preferred approach for less vendor-reliance, and a simpler, more consistent approach wh...
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mongoDB/mongoose: unique if not null

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Is it possible to rotate a drawable in the xml description?

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How to get unique device hardware id in Android? [duplicate]

...he below TelephonyManager telephonyManager = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE); telephonyManager.getDeviceId(); http://developer.android.com/reference/android/telephony/TelephonyManager.html#getDeviceId%28%29 Add this is manifest <uses-permission android:name=...
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error: passing xxx as 'this' argument of xxx discards qualifiers

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Preferred Github workflow for updating a pull request after code review

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Is it intended by the C++ standards committee that in C++11 unordered_map destroys what it inserts?

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What is the >>>= operator in C?

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