大约有 45,000 项符合查询结果（耗时：0.0408秒） [XML]
Vim: insert the same characters across multiple lines
...
Nice, didn't know about "A" and "C" options too.
– hobbes3
May 24 '18 at 1:11
...
How to convert vector to array
...
There's a fairly simple trick to do so, since the spec now guarantees vectors store their elements contiguously:
std::vector<double> v;
double* a = &v[0];
share
|
imp...
What is the meaning of single and double underscore before an object name?
...but rather the ("organizing") public methods such as put and get (this is known as the Template Method design pattern -- see e.g. here for an interesting presentation based on a video of a talk of mine on the subject, with the addition of synopses of the transcript).
Edit: The video links in the de...
Max length UITextField
...
Thanks, you can use now textField.text?.characters.count since countElements has been changed.
– Anibal R.
Jul 8 '16 at 21:14
...
How to change the session timeout in PHP?
...ther with the rest of the session data:
session_start(); // ready to go!
$now = time();
if (isset($_SESSION['discard_after']) && $now > $_SESSION['discard_after']) {
// this session has worn out its welcome; kill it and start a brand new one
session_unset();
session_destroy()...
Extending an Object in Javascript
...for brevity, property assignments are skipped because you get the point by now.
Object.assign(darthVader, Robot)
Darth Vader gets the methods of Robot:
darthVader.greet() // inherited from `Person`, outputs "Hi, my name is Darth Vader..."
darthVader.machineGreet() // inherited from `Robot`, outputs...
How can I add reflection to a C++ application?
... struct fields
{
static const int n = T::fields_n;
};
};
Now to iterate over the fields we use the visitor pattern. We create an MPL range from 0 to the number of fields, and access the field data at that index. Then it passes the field data on to the user-provided visitor:
struct...
Accept function as parameter in PHP
...nswer, but wanted to find some documentation to link to first, and didn't know what it was called exactly. Ah well, now I'll know for when I need to do this as well. Thanks.
– Rob
Apr 23 '10 at 17:01
...
AngularJS ui-router login authentication
...Params
= $rootScope.toStateParams;
// now, send them to the signin state
// so they can log in
$state.go('signin');
}
}
});
}
};
}
])
Now all you need to do is listen in on ui-route...
PyLint “Unable to import” error - how to set PYTHONPATH?
...
VSCode now shows this message: The setting "python.pythonPath" defined in your settings.json is now deprecated. If I delete the python.pythonPath line it still seems to work though.
– Jesse Aldridge
...