大约有 40,000 项符合查询结果(耗时:0.0420秒) [XML]

https://stackoverflow.com/ques... 

“is” operator behaves unexpectedly with integers

...3): The current implementation keeps an array of integer objects for all integers between -5 and 256, when you create an int in that range you actually just get back a reference to the existing object. So it should be possible to change the value of 1. I suspect the behaviour of Py...
https://stackoverflow.com/ques... 

Rails layouts per action?

...th this is that you cannot access objects such as current_user to conditionally determine the layout – Andrew K Dec 14 '14 at 5:25 ...
https://stackoverflow.com/ques... 

Camera orientation issue in Android

... This doesn't seem to work on some devices, it returns 0 for all orientations.. I know it happens on Galaxy S Infuse and Sony Xperia Arc, and S II.. Interesting thing here is that when these same images are selected from gallery, the content provider has the proper orientation value.. ...
https://stackoverflow.com/ques... 

How do I get an object's unqualified (short) class name?

... You can do this with reflection. Specifically, you can use the ReflectionClass::getShortName method, which gets the name of the class without its namespace. First, you need to build a ReflectionClass instance, and then call the getShortName method of that instance:...
https://stackoverflow.com/ques... 

MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)

...ands. The recommended solution is to drop this anonymous user (this is usually a good thing to do anyways). Below edits are mostly irrelevant to the main question. These are only meant to answer some questions raised in other comments within this thread. Edit 1 Authenticating as 'bill'@'%' thr...
https://stackoverflow.com/ques... 

Pretty-print C++ STL containers

... // Don't insert a delimiter if this is the first time the function is called if( _insertDelim ) (*_stream) << _delim; else _insertDelim = true; } (*_stream) << value; return *this; } pretty_ostre...
https://stackoverflow.com/ques... 

Finding quaternion representing the rotation from one vector to another

... Be aware that this does not handle the case of parallel vectors (both in the same direction or pointing in opposite directions). crossproduct will not be valid in these cases, so you first need to check dot(v1, v2) > 0.999999 and dot(v1, v2) < -0.999999, respectively, ...
https://stackoverflow.com/ques... 

Django, creating a custom 500/404 error page

... for some reason request.user appears fine in the 404 template, but not at all in the 500 template (and they are almost identical) -- posted question on this here: stackoverflow.com/questions/26043211/… – Gravity Grave Sep 25 '14 at 16:13 ...
https://stackoverflow.com/ques... 

iOS 7's blurred overlay effect using CSS?

...s CSS Clip property that's it. I also believe this could be done dynamically for any screen if using canvas to copy the current dom and blurring it. share | improve this answer | ...
https://stackoverflow.com/ques... 

UITapGestureRecognizer tap on self.view but ignore subviews

...UI object on this view and I don't want to attach any recognizer object to all of them. I found this method below how to make gesture on my view and I know how it works. Right now I am in front of handicap which way to choose for create this recognizer ignoring subview. Any ideas? Thanks. ...