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Split array into chunks

... The array.slice method can extract a slice from the beginning, middle, or end of an array for whatever purposes you require, without changing the original array. var i,j,temparray,chunk = 10; for (i=0,j=array.length; i<j; i+=chunk) { temparray = array.slice(i,...
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How to get numbers after decimal point?

...e round(0.5299999999999998 , 2) to get 0.53 Another way is to use Decimal from decimal package. docs.python.org/2/library/decimal.html – SirJ May 7 '19 at 11:49 ...
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Checking if an Android application is running in the background

...few variations of this solution if you'd like to check activity visibility from the service).   Example Implement custom Application class (note the isActivityVisible() static method): public class MyApplication extends Application { public static boolean isActivityVisible() { return activi...
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What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java

...ition to objects, there are primitives. All objects in Java are descendant from java.lang.Object, but primitives are set apart and, presently*, not extensible by a programmer. Note also that primitives have "operators", not methods. In Scala, on the other hand, everything is an object, all objects ...
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How to parse a string to an int in C++?

...so, because lexical_cast is just a wrapper around stringstream, it suffers from the same problems that stringstream does: poor support for multiple number bases and poor error handling. The best solution Fortunately, somebody has already solved all of the above problems. The C standard library con...
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Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink

...fault behaviour on MacOS since 10.7 (Mac OS X Lion) is to hide scroll bars from trackpad users when they're not in use. This can be confusing ; the scroll bar is often the only visual cue that an element is scrollable. ...
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Activity restart on rotation Android

... Instead of trying to stop the onCreate() from being fired altogether, maybe try checking the Bundle savedInstanceState being passed into the event to see if it is null or not. For instance, if I have some logic that should be run when the Activity is truly created...
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How to handle static content in Spring MVC?

...beans.factory.xml.XmlBeanDefinitionStoreException: Line 31 in XML document from class path resource [META-INF/spring/application-context.xml] is invalid; nested exception is org.xml.sax.SAXParseException; lineNumber: 31; columnNumber: 35; cvc-complex-type.2.4.c: The matching wildcard is strict, but ...
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UIImagePickerController error: Snapshotting a view that has not been rendered results in an empty sn

... I'm trying to make this work from an UIAertControl - one option is to present the image picker for photo browser - this works fine and the other is to present for camera - this doesn't .where would i build in the delay when using a UIALertController? ...
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Auto Scale TextView Text to Fit within Bounds

... From June 2018 Android officially started supporting this feature for Android 4.0 (API level 14) and higher. Check it out at: Autosizing TextViews With Android 8.0 (API level 26) and higher: <?xml version="1.0" encoding...