大约有 42,000 项符合查询结果(耗时:0.0390秒) [XML]

https://stackoverflow.com/ques... 

Bootstrap: Open Another Modal in Modal

... ordered in your Html markup from lowest to highest. $(document).on('hidden.bs.modal', function (event) { if ($('.modal:visible').length) { $('body').addClass('modal-open'); } }); UPDATE: When you have stacked modals, all the backdrops appear below the lowermost modal. You c...
https://stackoverflow.com/ques... 

The best way to remove duplicate values from NSMutableArray in Objective-C?

...rray *copy = [mutableArray copy]; NSInteger index = [copy count] - 1; for (id object in [copy reverseObjectEnumerator]) { if ([mutableArray indexOfObject:object inRange:NSMakeRange(0, index)] != NSNotFound) { [mutableArray removeObjectAtIndex:index]; } index--; } [copy release]; ...
https://stackoverflow.com/ques... 

Check if a subview is in a view

... You will end up with a code like : Objective-C - (IBAction)showPopup:(id)sender { if(![self.myView isDescendantOfView:self.view]) { [self.view addSubview:self.myView]; } else { [self.myView removeFromSuperview]; } } Swift 3 @IBAction func showPopup(sender: AnyObj...
https://stackoverflow.com/ques... 

ALTER TABLE to add a composite primary key

I have a table called provider . I have three columns called person , place , thing . There can be duplicate persons, duplicate places, and duplicate things, but there can never be a dupicate person-place-thing combination. ...
https://stackoverflow.com/ques... 

In Javascript/jQuery what does (e) mean?

... (functions), much like objects in other languages. The handle, the 'e' inside the little (e) thing, is like a variable that allows you to interact with the object (and I use the term variable VERY loosely). Consider the following jQuery examples: $("#someLink").on("click", function(e){ // My pref...
https://stackoverflow.com/ques... 

Easy idiomatic way to define Ordering for a simple case class

... My personal favorite method is to make use of the provided implicit ordering for Tuples, as it is clear, concise, and correct: case class A(tag: String, load: Int) extends Ordered[A] { // Required as of Scala 2.11 for reasons unknown - the companion to Ordered // should alr...
https://stackoverflow.com/ques... 

Download File Using Javascript/jQuery

... Use an invisible <iframe>: <iframe id="my_iframe" style="display:none;"></iframe> <script> function Download(url) { document.getElementById('my_iframe').src = url; }; </script> To force the browser to download a file it would otherwi...
https://stackoverflow.com/ques... 

Repeat command automatically in Linux

... watch also has the unfortunate side effect of clearing the screen, so sometimes the loop is useful. Which to use depends on the desired format of the output. – William Pursell Nov 27 '12 at 21:53 ...
https://stackoverflow.com/ques... 

SQL Server: What is the difference between CROSS JOIN and FULL OUTER JOIN?

... Then in case of big tables FROM t1 FULL OUTER JOIN t2 ON t1.id=t2.id will always be faster than FROM t1,t2 WHERE t1.id=t2.id ? – alexkovelsky Aug 20 '14 at 8:29 ...
https://stackoverflow.com/ques... 

How to get Resource Name from Resource id

...: to get string like radio1: getResources().getResourceEntryName(int resid); to get string like com.sample.app:id/radio1: getResources().getResourceName(int resid); In Kotlin Now : val name = v.context.resources.getResourceEntryName(v.id) ...