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ArithmeticException: “Non-terminating decimal expansion; no exact representable decimal result”
... 2 is NOT precision; it's scale. Please see docs.oracle.com/javase/7/docs/api/java/math/…
– John Manko
Sep 23 '15 at 16:20
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Scala: What is a TypeTag and how do I use it?
...h are both much simpler to use and well integrated into the new Reflection API. With them we can solve the problem above about path-dependent-types elegantly:
scala> def m(f: Foo)(b: f.Bar)(implicit ev: TypeTag[f.Bar]) = ev
m: (f: Foo)(b: f.Bar)(implicit ev: reflect.runtime.universe.TypeTag[f.Ba...
Posting a File and Associated Data to a RESTful WebService preferably as JSON
... I'm having one of those nights. In an application I am developing RESTful API and we want the client to send data as JSON. Part of this application requires the client to upload a file (usually an image) as well as information about the image.
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How to convert Set to String[]?
...ce both methods throw a NPE anyways.
Java 8
In Java 8 we can use streams API:
String[] array = set.stream().toArray(String[]::new);
We can also make use of the overloaded version of toArray() which takes IntFunction<A[]> generator as:
String[] array = set.stream().toArray(n -> new Str...
Why is a combiner needed for reduce method that converts type in java 8
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@Zordid the Streams API doesn't include an option to reduce type T to a U without passing a combiner.
– Eran
Aug 28 '18 at 16:06
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How do you find all subclasses of a given class in Java?
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This is not possible to do using only the built-in Java Reflections API.
A project exists that does the necessary scanning and indexing of your classpath so you can get access this information...
Reflections
A Java runtime metadata analysis, in the spirit of Scannotations
Reflections scans y...
How to display count of notifications in app launcher icon [duplicate]
...ere is no way to change it to a 'drawable' programmatically using standard APIs. You may achieve your goal by using a widget instead of an icon. Widgets are customisable. Please read this :http://www.cnet.com/8301-19736_1-10278814-251.html and this http://developer.android.com/guide/topics/appwidget...
How do I check how many options there are in a dropdown menu?
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This assumes your <select> list has an ID of mySelectList.
http://api.jquery.com/length/
http://api.jquery.com/children/
http://api.jquery.com/child-selector/
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2D cross-platform game engine for Android and iOS? [closed]
...nsion and a Facebook extension too.
Edit:
Marmalade now has it's own RAD(Rapid Application Development) tool just for 2D development, named as Marmalade Quick. Although the coding will be in Lua not in C++, but since it's built on top of C++ Marmalade, you can easily include a C++ library, and all ...
How to add and get Header values in WebApi
I need to create a POST method in WebApi so I can send data from application to WebApi method. I'm not able to get header value.
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