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Can Android do peer-to-peer ad-hoc networking?

... is "reviewed" but I don't believe it's been implemented yet. http://code.google.com/p/android/issues/detail?id=82 share | improve this answer | follow | ...
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encryption/decryption with multiple keys

... Yes, it's possible. Google "multiparty encryption" for a start. AFAIK, there are no drop 'em in and use 'em packages for it though. -- MarkusQ P.S. For a sketch of how it could be done, consider this. The encrypted message consists of: the...
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Converting Symbols, Accent Letters to English Alphabet

... - I submitted a wrong issue for Android for that to learn that -> code.google.com/p/android/issues/detail?id=189515 Anybody know correct way to do this? – Michał Tajchert Jan 11 '16 at 17:50 ...
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How do I get SUM function in MySQL to return '0' if no values are found?

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How to write to a JSON file in the correct format

... This question is for ruby 1.8 but it still comes on top when googling. in ruby >= 1.9 you can use File.write("public/temp.json",tempHash.to_json) other than what mentioned in other answers, in ruby 1.8 you can also use one liner form File.open("public/temp.json","w"){ |f| f.wr...
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Draw text in OpenGL ES

...n off-the-shelf/open-source library. There are a few around if you hunt on Google, the tricky bit is getting them integrated and running. But at least, once you do that, you'll have all the flexibility and maturity they provide. ...
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Using IoC for Unit Testing

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How to properly check if std::function is empty in C++11?

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More than 10 lines in a node.js stack error?

... Also you can use built-in debugger, which opens familiar Google Chrome's dev-tools debugger. It stops on any error and you can browse the whole stack. Just run: $ node --inspect debug.js Debugger listening on port 9229. To start debugging, open the following URL in Chrome: chrome...
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Does HTTP use UDP?

...ion layer protocol) does use UDP for carrying HTTP/2.0 traffic and much of Google's traffic already uses this protocol. It's currently progressing towards standardisation as HTTP/3. share | improve...