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Number.sign() in javascript

...s fails for small negative fractions like -0.5. (Looks like the source is from an implementation for Integers specifically) – starwed Jun 3 '15 at 18:59 ...
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Undefined reference to static constexpr char[]

...ition for a static constexpr member if it is not odr-used, we can see this from the draft C++11 standard section 9.4.2 [class.static.data] which says (emphasis mine going forward): [...]A static data member of literal type can be declared in the class definition with the constexpr specifier; i...
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numpy matrix vector multiplication [duplicate]

... IMP note: numpy matrices are to be avoided in favor of arrays. Note from documentation --> "It is no longer recommended to use this class, even for linear algebra. Instead use regular arrays. The class may be removed in the future." See also stackoverflow.com/a/61156350/6043669 ...
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Using CSS :before and :after pseudo-elements with inline CSS?

...ties that are inherited by default will be inherited by :before and :after from the generating element, whereas pseudo-class styles just don't apply at all. In your case, for example, if you place text-align: justify in an inline style attribute for a td element, it will be inherited by td:after. Th...
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If my interface must return Task what is the best way to have a no-operation implementation?

...e code below, due to the interface, the class LazyBar must return a task from its method (and for argument's sake can't be changed). If LazyBar s implementation is unusual in that it happens to run quickly and synchronously - what is the best way to return a No-Operation task from the method? ...
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The new keyword “auto”; When should it be used to declare a variable type? [duplicate]

...using something like a proxy type where you're depending on the conversion from proxy->target to do part of the job at hand, auto will (attempt to) create a target of the same type as the source so that conversion won't happen. In some cases, that may just delay the conversion, but in others it w...
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Match multiline text using regular expression

... This works (thanks!) I tried the pattern (?s)User Comments:\s*(.*) . From the answer of @Amarghosh I got the pattern User Comments: [\\s\\S]*. Among these is there a better or recommended way or are these just two different ways of doing the same? – Nivas ...
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Enabling ProGuard in Eclipse for Android

...to point to the # "proguard-android-optimize.txt" file instead of this one from your # project.properties file. #To repackage classes on a single package #-repackageclasses '' #Uncomment if using annotations to keep them. #-keepattributes *Annotation* #Keep classes that are referenced on the Andr...
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Javascript web app and Java server, build all in Maven or use Grunt for web app?

...can use the Maven ant-run plugin, you can run an ant exec task and call it from Maven or best of all you can just use the maven exec task. Below is the code to integrate this into the Maven lifecycle using the exec plugin if this is helpful to anybody. <plugin> <groupId>org.c...
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Why an interface can not implement another interface?

...mplementation if you wish (in this case it won't remain 100% abstract), so from the JVM's perspective they are different things. Also the member variable in a 100% abstract class can have any access qualifier, where in an interface they are implicitly public static final. ...