casting - Converting double to integer in Java - Stack Overflow
Jun 24, 2011 · is there a possibility that casting a double created via Math.round() will still result in a truncated down number No, round() will always round your double to the correct value, and then, it …
Regular cast vs. static_cast vs. dynamic_cast - Stack Overflow
Aug 26, 2008 · Static cast is also used to cast pointers to related types, for example casting void* to the appropriate type. dynamic_cast Dynamic cast is used to convert pointers and references at run-time, …
Safely casting long to int in Java - Stack Overflow
What's the most idiomatic way in Java to verify that a cast from long to int does not lose any information? This is my current implementation: public static int safeLongToInt(long l) { int i ...
java: How can I do dynamic casting of a variable from one type to ...
2 Your problem is not the lack of "dynamic casting". Casting Integer to Double isn't possible at all. You seem to want to give Java an object of one type, a field of a possibly incompatible type, and have it …
Why use static_cast<T> (x) instead of (T)x or T (x)?
The C++ casting operators are intended to expose these issues in the code by providing compile-time or run-time errors when possible. So, for strict "value casting" you can use static_cast<>. If you want …
How do I cast int to enum in C#? - Stack Overflow
Casting is sometimes confusing in C# if you don't know the details... Anyhow, because int != short, it will throw (unboxing fails). If you do object o = (short)5;, it will work, because then the types will match. …
Casting int to bool in C/C++ - Stack Overflow
Jul 22, 2015 · I'm wondering about casting in the reverse direction... In the code below, all of the following assertions held true for me in .c files compiled with Visual Studio 2013 and Keil µVision 5. …
c++ - When should static_cast, dynamic_cast, const_cast, and ...
The C-style casts can do virtually all types of casting from normally safe casts done by static_cast<> () and dynamic_cast<> () to potentially dangerous casts like const_cast<> (), where const modifier can …
Why is casting a const reference directly to a mutable reference ...
Nov 24, 2018 · The superficial answer to the question "why?" is that these simply are the rules of as expressions in Rust. Quoting from the Nomicon: Casting is not transitive, that is, even if e as U1 as …
C# Inheritance & Casting - Stack Overflow
C# Inheritance & Casting Asked 15 years, 1 month ago Modified 5 years, 5 months ago Viewed 19k times