大约有 43,000 项符合查询结果(耗时:0.0565秒) [XML]

https://stackoverflow.com/ques... 

Show hide fragment in android

I am developing application which contains 2 fragments and i want to show hide according to my need. Following code has simple example of my problem. This simple Fragmentactivity contains 1 button and one listfragment. ...
https://stackoverflow.com/ques... 

Entity Framework: “Store update, insert, or delete statement affected an unexpected number of rows (

... telling you is that between when you grabbed the data out of the database and when you saved your changes someone else has changed the data (Which meant when you went to save it 0 rows actually got updated). In SQL terms, their update query's where clause contains the original value of every field ...
https://stackoverflow.com/ques... 

How to center align the cells of a UICollectionView?

I am currently using UICollectionView for the user interface grid, and it works fine. However, I'd like to be enable horizontal scrolling. The grid supports 8 items per page and when the total number of items are, say 4, this is how the items should be arranged with horizontal scroll direction ena...
https://stackoverflow.com/ques... 

How to use shell commands in Makefile

I'm trying to use the result of ls in other commands (e.g. echo, rsync): 2 Answers 2...
https://stackoverflow.com/ques... 

How to convert floats to human-readable fractions?

...y what you are asking for. Its based on the theory of continued fractions and very fast and fairly compact. I have used versions of this customized for specific numerator and denominator limits. /* ** find rational approximation to given real number ** David Eppstein / UC Irvine / 8 Aug 1993 ** *...
https://stackoverflow.com/ques... 

How to reference constants in EL?

...e.YourConstants" %> This will under the covers be imported via ImportHandler#importClass() and be available as ${YourConstants.FOO}. Note that all java.lang.* classes are already implicitly imported and available like so ${Boolean.TRUE} and ${Integer.MAX_VALUE}. This only requires a more recen...
https://stackoverflow.com/ques... 

How can I create a “Please Wait, Loading…” animation using jQuery?

...relation to the viewport window with position:fixed. Width, height, top and left speak for themselves. Background we set to 80% white with our animation centered, and no-repeating */ .modal { display: none; position: fixed; z-index: 1000; top: 0; left: ...
https://stackoverflow.com/ques... 

How to clear the cache in NetBeans

I created a project in NetBeans, and I would like to clear the NetBeans cache. 13 Answers ...
https://stackoverflow.com/ques... 

When monkey patching an instance method, can you call the overridden method from the new implementat

... EDIT: It has been 9 years since I originally wrote this answer, and it deserves some cosmetic surgery to keep it current. You can see the last version before the edit here. You can’t call the overwritten method by name or keyword. That’s one of the many reasons why monkey patching...
https://stackoverflow.com/ques... 

Dealing with “Xerces hell” in Java/Maven?

... users are "touched" by this problem at some point. Unfortunately, understanding the problem requires a bit of knowledge about the history of Xerces... ...