大约有 40,000 项符合查询结果（耗时：0.0645秒） [XML]
Check for installed packages before running install.packages() [duplicate]
...nstalled.packages())))
}
Replace the packages listed on the first line by those needed to run your code, and voilà!
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How do I fire an event when a iframe has finished loading in jQuery?
...e>
<script language="javascript">
iframe = document.getElementById("frameid");
WaitForIFrame();
function WaitForIFrame() {
if (iframe.readyState != "complete") {
setTimeout("WaitForIFrame();", 200);
} else {
done();
}
}
...
Java equivalents of C# String.Format() and String.Join()
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You can streamline it a tiny bit by exiting early to avoid the delimiter: while (true) ( add_iter; if (! iter.hasNext()) break; add_delim; }
– 13ren
Mar 21 '09 at 12:50
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Container View Controller Examples [closed]
...oller:vc2];
//the entry view (will be removed from it superview later by the api)
[self.view addSubview:vc1.view];
}
this IBAction triggers the transition between two VCs:
-(IBAction)button:(id)sender {
[self transitionFromViewController:vc1
toViewController:vc...
receiver type *** for instance message is a forward declaration
...ad already added the CoreData framework to my project but solved the issue by linking to the framework in my pre-compiled header just like Apple's templates do:
#import <Availability.h>
#ifndef __IPHONE_5_0
#warning "This project uses features only available in iOS SDK 5.0 and later."
#endif...
Simulate limited bandwidth from within Chrome?
...e Tools->Developer Tools will bring you there.
Then Toggle Device Mode by clicking the phone in the upper left of the Developer Tools Panel (see the tooltip below).
Then activate throttling like so.
If you find this a bit clunky, my suggestion above works for both Chrome and Firefox.
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Check if null Boolean is true results in exception
...ited Jan 24 '15 at 21:56
Steven Byle
12.2k44 gold badges4141 silver badges5757 bronze badges
answered Sep 13 '13 at 15:36
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How can I permanently enable line numbers in IntelliJ?
... This exact answer has already been posted two and half years ago by Don.
– Shadow Wizard is Ear For You
Dec 28 '11 at 10:12
6
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What's the Linq to SQL equivalent to TOP or LIMIT/OFFSET?
...these 4.
var dados = from d in dc.tbl_News.Take(4)
orderby d.idNews descending
select new
{
d.idNews,
d.titleNews,
d.textNews,
d.dateNews,
d.imgNews...
Why doesn't delete set the pointer to NULL?
... no longer exists. In assignment operators, a delete is typically followed by an assignment anyway.
Also, it would render the following code illegal:
T* const foo = new T;
delete foo;
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