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If string is empty then return some default value

..., even if the string is not empty. For example @user.address.or User.make_a_long_and_painful_SQL_query_here would make extra work even if address is not empty. Maybe you could update that a bit (sorry about confusing one-liner, trying to keep it short): class String def or what = "" self....
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Nodejs send file in response

...tp.createServer(function(request, response) { var filePath = path.join(__dirname, 'myfile.mp3'); var stat = fileSystem.statSync(filePath); response.writeHead(200, { 'Content-Type': 'audio/mpeg', 'Content-Length': stat.size }); var readStream = fileSystem.createR...
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Is it possible in SASS to inherit from a class in another file?

...s Default buttons In your styles.scss file you would have to first import _bootstrap.scss: @import "_bootstrap.scss"; Then below the import: button { @extend .btn; } share | improve this answe...
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How can I select rows with most recent timestamp for each key value?

...aster than other answers, at least in my case. – rain_ Sep 6 '17 at 7:51 @rain_ It really depends on the use case. The...
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TypeScript function overloading

... are named apart and called by compiled TypeScript (e.g. createFeatureLayer_1 and createFeatureLayer_2) and createFeatureLayer could then determine which one to call based upon the contents of arguments for interoperation with vanilla JavaScript. – Thomas S. Trias ...
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Dependent DLL is not getting copied to the build output folder in Visual Studio

... { private static void Dummy() { Action<Type> noop = _ => {}; var dummy = typeof(AbcDll.AnyClass); noop(dummy); } } This infomation actually costed me hours to figure out, so I thought I share it. ...
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Why should I declare a virtual destructor for an abstract class in C++?

...structor when deleting a pointer to a base class. – j_random_hacker Feb 10 '09 at 10:10 add a comment  |  ...
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AngularJS - convert dates in controller

... function(input) { if(input == null){ return ""; } var _date = $filter('date')(new Date(input), 'dd/MM/yyyy'); return _date.toUpperCase(); }; }); view <span>{{ d.time | date }}</span> or in controller var filterdatetime = $filter('date')( yourdate );...
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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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What is the difference between Normalize.css and Reset CSS?

...oach and use both and call them in as includes in my SASS imports @import '_normalize' && '_reset' – killscreen Jan 27 '18 at 18:17 ...