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Move capture in lambda
...copy_ctor const& object)
{
std::swap(wrapped_object, const_cast<move_with_copy_ctor&>(object).wrapped_object);
}
// access to wrapped object
T& operator()() { return wrapped_object; }
private:
T wrapped_object;
};
template <typename T>
move_wit...
How to convert a std::string to const char* or char*?
...ne. Another reason to want a char* (non const) is to operate with MPI broadcast. It looks nicer if you don't have to copy back and forth. I would have personally offered a char* const getter to string. Const pointer, but editable string. Although it may have messed with the implicit conversion from ...
Swift Beta performance: sorting arrays
...ers[0] << "\n";
cout << "Elapsed time: " << duration_cast<duration<double>>(end - start).count() << "\n";
return 0;
}
Results:
Apple Clang 6.0
clang++ --version
Apple LLVM version 6.0 (clang-600.0.54) (based on LLVM 3.5svn)
Target: x86_64-apple-darwin...
Dynamic type languages versus static type languages
...o override the static checker. For most languages, these take the form of casting, though some (like C# and Haskell) have entire modes which are marked as "unsafe".
Subjectively, I like static typing. Implemented properly (hint: not Java), a static type system can be a huge help in weeding out er...
Accessing class variables from a list comprehension in the class definition
... a positional argument, the range(1) iterable to use for its looping code, cast to an iterator. As shown in the bytecode, range(1) is evaluated in the class scope.
From this you can see that the only difference between a code object for a function or a generator, and a code object for a comprehensi...
Compiler Ambiguous invocation error - anonymous method and method group with Func or Action
...
You can't cast a delegate that has no parameters and returns string to an Action. I don't see why there is ambiguity.
– jason
Jan 13 '10 at 14:21
...
What are the benefits of Java's types erasure?
.... We can get some efficiency and simplicity with the satisfaction that no casts will fail or that methods might be missing upon invocation.
Erasing encourages reasoning.
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Can unit testing be successfully added into an existing production project? If so, how and is it wor
...onfirmed what I was feeling. Will see what other answers get posted before casting my votes and accept though.
– djdd87
Aug 13 '10 at 11:32
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Is quitting an application frowned upon?
...em.exit when the app is updated (otherwise I'll get serialization or class cast exceptions based on my code changes). I should mention though that I do not give the user a UI handle to kill the app via system.exit - it is reserved for me as the engineer of the app to be used only when the app absolu...
Separate Back Stack for each tab in Android using Fragments
...ragment needs to navigate to another fragment, it has to do a little nasty casting... but it's not that bad:
// In Fragment1.java for example...
// Need to navigate to Fragment2.
((ActivityIntab) getActivity()).navigateTo(new Fragment2());
So that's pretty much it. I'm pretty sure this is not a v...