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FFmpeg on Android

...e generated in step 1, just add a line similar to this to Android.mk: LOCAL_STATIC_LIBRARIES := libavcodec libavformat libavutil libc libz Use the ffmpeg-wrapping dynamic library from your java sources. There's enough documentation on JNI out there, you should be fine. Regarding using ffmpeg for p...
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How to Implement Custom Table View Section Headers and Footers with Storyboard

...ewCell does not belong in UITableView header. – raven_raven Sep 28 '17 at 11:23  |  show 20 more comments ...
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Boost Statechart vs. Meta State Machine

... Minor nit-pick: In release mode, the use of C++ RTTI (dynamic_cast, typeid) is strictly optional with Boost.Statechart. – user49572 Nov 30 '10 at 7:43 add a comm...
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How to pass an array within a query string?

... (NOTE: In this case, it would be important to name the select control some_name[], so that the resulting request vars would be registered as an array by PHP) ... or as multiple hidden fields with the same name: <input type="hidden" name="cars[]" value="Volvo"> <input type="hidden" name...
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Is Java Regex Thread Safe?

...pers */ public final class Validators { private static final String EMAIL_PATTERN = "^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@[A-Za-z0-9-]+(\\.[A-Za-z0-9-]+)*(\\.[A-Za-z]{2,})$"; private static Pattern email_pattern; static { email_pattern = Pattern.compile(EMAIL_PATTERN); } /** * Check...
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How to get all properties values of a JavaScript Object (without knowing the keys)?

...nd val } Object.values shim Finally, as noted in the comments and by teh_senaus in another answer, it may be worth using one of these as a shim. Don't worry, the following does not change the prototype, it just adds a method to Object (which is much less dangerous). Using fat-arrow functions, thi...
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C++ templates that accept only certain types

... I suggest using Boost's static assert feature in concert with is_base_of from the Boost Type Traits library: template<typename T> class ObservableList { BOOST_STATIC_ASSERT((is_base_of<List, T>::value)); //Yes, the double parentheses are needed, otherwise the comma will b...
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Basic HTTP authentication with Node and Express 4

...substring(splitIndex + 1) // using shorter regex by @adabru // const [_, login, password] = strauth.match(/(.*?):(.*)/) || [] Basic auth in one statement ...on the other hand, if you only ever use one or very few logins, this is the bare minimum you need: (you don't even need to parse the cr...
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What happens if you static_cast invalid value to enum class?

... to the enumeration type, no value in data[0] can lead to UB for the static_cast. After CWG 1766 (C++17) See CWG defect 1766. The [expr.static.cast]p10 paragraph has been strengthened, so you now can invoke UB if you cast a value that is outside the representable range of an enum to the enum type. ...
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Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities

...'ve been wondering what common algorithm uses n!? – Y_Y Jan 30 '14 at 22:00 Accessing a HashMap value as well as more ...