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What new capabilities do user-defined literals add to C++?
...ould have if these have been added to the language itself. We can even add cast operators (which is usually a bad idea, but sometimes, it's just the right solution).
We still missed one thing to have user-types behave as built-in types: user-defined literals.
So, I guess it's a natural evolution for...
When to use std::forward to forward arguments?
... }
std::string to_string (void) const {
auto address = static_cast<const void*>(this);
std::stringstream ss;
ss << address;
return "BankAccount(" + ss.str() + ", cash $" + std::to_string(cash) + ")";
}
};
template<typename T, typename Account&...
std::vector versus std::array in C++
...ding the pointer from the user of the class (in C++, arrays are implicitly cast as pointers, often to dismaying effect). The std::array<T> class also stores its size (length), which can be very useful.
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Can I list-initialize a vector of move-only type?
... rather the underlying elements themselves might be const, which cannot be cast away in a well-formed program.
– underscore_d
Jul 18 '16 at 10:49
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Difference between
...List needs to be either a List of X or a List of things that my X can be upcast to as I write them in i.e. any superclass of X...
List<? super X>
If I get a List and I want to read an X out of that List, that better be a List of X or a List of things that can be upcast to X as I read them...
What is a lambda expression in C++11?
...a, it looks for a type conversion which allows it, which includes implicit-cast-to-function-pointer, and then calls that! Sneaky!
– Yakk - Adam Nevraumont
Apr 1 '13 at 0:55
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Passing Data between View Controllers
...can pass any data (well, almost) via its starting Intent. Easy. No need to cast or something. Passing return values back to caller is an essential thing too, no need to delegate. Of course it is possible to use ugly approaches too, no problem there ))
– Mixaz
A...
When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
...no-brainer. However Akka's Java bindings are not very Java-ish and require casting due to Scala's type system.
Also in Java people don't typically make immutable objects which I recommend you do for messaging. Consequently its very easy in Java to accidentally do something using Akka that will not...
ServiceStack vs ASP.Net Web API [closed]
...find out more about ServiceStack in the wild with links to Blog Posts, Pod Casts, Presentations, Gists and more.
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