
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 …
What are the rules for casting pointers in C? - Stack Overflow
Jun 23, 2013 · There are rules about casting pointers, a number of which are in clause 6.3.2.3 of the C 2011 standard. Among other things, pointers to objects may be cast to other pointers to objects and, …
What is the difference between casting and coercing?
Type Conversion: The word conversion refers to either implicitly or explicitly changing a value from one data type to another, e.g. a 16-bit integer to a 32-bit integer. The word coercion is used to denote an …
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, …
c# - Why should casting be avoided? - Stack Overflow
Aug 1, 2013 · Bad is a relative term. Avoiding casting is a best-practice, but sometimes a programmer has gotta do what a programmer has got to do. (especially if you writing a java 1.5+ program that …
Casting vs using the 'as' keyword in the CLR - Stack Overflow
Could you add a small example of why you're using the casts in the first place to the question, or perhaps start a new one? I'm kinda interested in why you would need the cast for unit testing only. I …
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 …
casting - How to cast or convert an unsigned int to int in C? - Stack ...
Feb 26, 2011 · The real question is what you want to do when/if the value in the unsigned int it out of the range that can be represented by a signed int. If it's in range, just assign it and you're done. If it's out …
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 …
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 …