大约有 41,000 项符合查询结果（耗时：0.0526秒） [XML]
#define macro for debug printing in C?
...GS__) : 0))
This leaves the program fragment shown as valid. The (void) cast prevents it being used in contexts where a value is required — but it could be used as the left operand of a comma operator where the do { ... } while (0) version cannot. If you think you should be able to embed debug...
Java 8 Iterable.forEach() vs foreach loop
...ator) and cannot be used in a for-each, only with a forEach(). I recommend casting Streams into Iterables with (Iterable<T>)stream::iterator. A better alternative is to use StreamEx which fixes a number of Stream API problems, including implementing Iterable.
That said, forEach() is useful for...
Omitting all xsi and xsd namespaces when serializing an object in .NET?
... that.
// The factory method returns a XmlWriter, not a XmlTextWriter, so cast it.
XmlTextWriter xtw = (XmlTextWriter)XmlTextWriter.Create(ms, xws);
// Then we can set our indenting options (this is, of course, optional).
xtw.Formatting = Formatting.Indented;
// Now serialize our object.
xs.Serial...
What is “rvalue reference for *this”?
...ill always pick the non-const version if it exists. You would need to do a cast to get the const version. I've updated the post to clarify.
– Nicol Bolas
Dec 23 '11 at 18:04
15
...
How using try catch for exception handling is best practice
...o the Database once it is available again. Your invalid
String-To-Number casting could be tried to parse again with
language-local interpretation on Exception, like as you try default
English language to Parse("1,5") fails and you try it with German
interpretation again which is completely f...
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...