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What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java

...extend it. It should be interesting to see what will happen with Scala on .Net, since interoperability alone calls for Scala to at least recognize user-defined "primitives". Also extending Any is AnyRef, which is equivalent to java.lang.Object (on the JVM at any rate). Up to Scala 2.9.x, a user co...
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Parse string to DateTime in C#

...iled. Solution:  The   .ToDate()   extension method Try it in .NetFiddle public static class Extensions { // Extension method parsing a date string to a DateTime? // dateFmt is optional and allows to pass a parsing pattern array // or one or more patterns passed as string pa...
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What happens if i return before the end of using statement? Will the dispose be called?

... Not the answer you're looking for? Browse other questions tagged c# .net dispose idisposable using-statement or ask your own question.
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Why don't Java Generics support primitive types?

...d is a must-have feature. Here is a link to a proposal for it openjdk.java.net/jeps/218 – crow Dec 23 '17 at 23:47 add a comment  |  ...
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Enums and Constants. Which to use when?

...lue. So using always the default section in a switch is a good idea. BTW, .NET itself allows even floating point valued enums, but you can't define them in C#, although I think you can still use them (except in switch). Furthermore, using enums gives you more type safety. If you intend to use e.g. ...
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Simplest way to detect a mobile device in PHP

...|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i',$useragent)||preg_match('/1207|6310|6590|3gso|4thp|50[1-6]i|77...
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Plotting time in Python with Matplotlib

...n. The matplot lib documentation is excellent, BTW. matplotlib.sourceforge.net/index.html – codeape Oct 19 '09 at 13:53 14 ...
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Literal notation for Dictionary in C#?

...le and cache a delegate that would make subsequent calls much faster. Asp.net MVC APIs use this technique in a number of places that I've seen. A lot of the Html Helpers have overloads that accept either an object or a dictionary. I assume the goal of their API design is the same as what you are af...
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How do I enter RGB values into Interface Builder?

...s sets it to RGB. So no good. Instead I found this: http://wafflesoftware.net/hexpicker/ That shows the hexadecimal value and it works fully on Xcode 5.0.1 and Mavericks. share | improve this answ...
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Entity framework linq query Include() multiple children entities

...or compiled queries (at least not on EFCore) confirmed here: github.com/aspnet/EntityFrameworkCore/issues/7016 – Dunge Aug 6 '19 at 14:17 add a comment  |  ...