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How do I use a custom deleter with a std::unique_ptr member?
...) = default;
template <class U, class = std::enable_if_t<std::is_convertible<U*, Bar*>()>>
constexpr default_delete(default_delete<U>) noexcept {}
void operator()(Bar* p) const noexcept { destroy(p); }
};
And maybe also do std::make_unique():
template <>
...
How can Xml Documentation for Web Api include documentation from beyond the main project?
...c. Add the following method below the constructor:
private XPathNavigator SelectSingleNode(string selectExpression)
{
foreach (var navigator in _documentNavigators)
{
var propertyNode = navigator.SelectSingleNode(selectExpression);
if (propertyNode != null)
retur...
How are the points in CSS specificity calculated
... better grasp at Math than me could explain th numbering system and how to convert it to decimal when the individual elements are larger than 9.
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Can I simultaneously declare and assign a variable in VBA?
I'm new to VBA and want to know if I can convert the following declaration and assignment into one line:
5 Answers
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Use StringFormat to add a string to a WPF XAML binding
...y worried about internationalization, you'd probably be better off using a converter so the order of the number and units isn't fixed. <Run Text="{x:Static s:UIStrings.General_FahrenheitAbbreviation}" />
– Matt Becker
Nov 10 '15 at 15:19
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Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
...cannot necessarily be
modified. In an expression context,
the array is converted at once to a
pointer, as usual (see section 6), so
the second declaration initializes p
to point to the unnamed array's first
element.
Some compilers have a switch
controlling whether string liter...
Blocks and yields in Ruby
...y:
days = ["monday", "tuesday", "wednesday", "thursday", "friday"]
# select those which start with 't'
days.select do | item |
item.match /^t/
end
=> ["tuesday", "thursday"]
Or, we can also provide a custom sort algorithm, for instance based on the string size:
days.sort do |x,...
Inheritance vs. Aggregation [closed]
...e point in the future.
Another thing I've found is that it's very hard to convert from inheritance to aggregation once there's a lot of code written around an inheritance hierarchy. Just switching from a superclass to an interface means changing nearly every subclass in the system.
And, as I menti...
Why can't I access DateTime->date in PHP's DateTime class?
...($time->format("Y-m-d H:i:s"));
} catch (Exception $e) {
}
Or you can convert to array:
<?php
try {
$time = (array) new DateTime();
var_dump($time["date"]);
} catch (Exception $e) {
}
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Why is Lisp used for AI? [closed]
...utes of macro work this week, I implemented an ad-hoc buggy version of SQL Select. It goes like this: (query SELECT * FROM dataset WHERE expr).
– Paul Nathan
Nov 12 '11 at 20:08
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