大约有 47,000 项符合查询结果（耗时：0.0538秒） [XML]
Find the closest ancestor element that has a specific class
...
Update: Now supported in most major browsers
document.querySelector("p").closest(".near.ancestor")
Note that this can match selectors, not just classes
https://developer.mozilla.org/en-US/docs/Web/API/Element.closest
For legac...
Installing libv8 gem on OS X 10.9+
...f libv8 in the project I'm working on. I'll be downgrading to OSX 10.8 for now!
– tanookiben
Oct 25 '13 at 19:41
36
...
What's the difference between passing by reference vs. passing by value?
...by value vs. pass by reference" distinction as defined in the CS theory is now obsolete because the technique originally defined as "pass by reference" has since fallen out of favor and is seldom used now.1
Newer languages2 tend to use a different (but similar) pair of techniques to achieve the sam...
node.js fs.readdir recursive directory search
... yield res;
}
}
}
Usage has changed because the return type is now an async iterator instead of a promise
(async () => {
for await (const f of getFiles('.')) {
console.log(f);
}
})()
In case somebody is interested, I've written more about async iterators here: https://qwtel.c...
What is JSONP, and why was it created?
...omething like this:
mycallback({ foo: 'bar' });
As you can see, it will now invoke the method you specified. So, in your page, you define the callback function:
mycallback = function(data){
alert(data.foo);
};
And now, when the script is loaded, it'll be evaluated, and your function will be ...
Where to place AutoMapper.CreateMaps?
... code (and refactor) if necessary.
EDIT:
Just thought I'd mention that I now use AutoMapper profiles, so the above example becomes:
public static class AutoMapperWebConfiguration
{
public static void Configure()
{
Mapper.Initialize(cfg =>
{
cfg.AddProfile(new UserProf...
How do I install Python OpenCV through Conda?
...
I have summarized my now fully working solution, OpenCV-Python - How to install OpenCV-Python package to Anaconda (Windows). Nevertheless I've copied and pasted the important bits to this post.
At the time of writing I was using Windows 8.1, 6...
UILabel sizeToFit doesn't work with autolayout ios6
...If we run the app in the simulator, sure enough, we see the same thing:
Now, let's select the UILabel in Interface Builder, and take a look at the default settings in the Size inspector:
Note the highlighted constraint above. That is the Content Hugging Priority. As Erica Sadun describes it in...
Make XAMPP/Apache serve file outside of htdocs [closed]
...e the old one) if you are using Vista and have trouble).
Restart Apache.
Now you can access that directory by browsing to http://transitcalculator.localhost/.
Make an Alias
Starting ~line 200 of your http.conf file, copy everything between <Directory "C:/xampp/htdocs"> and </Director...
Variable declared in for-loop is local variable?
...< 5; i++)
{
}
// 'i' is only declared in the method scope now,
// no longer in the child scope -> valid.
i = 4;
// 'i' is declared in the method's scope -> valid.
int A = i;
}
EDIT:
The C# compiler could of course be changed to allow this code to compile ...