大约有 48,000 项符合查询结果（耗时：0.0605秒） [XML]
Remove leading and trailing spaces?
I'm having a hard time trying to use .strip with the following line of code.
4 Answers
...
Deprecated ManagedQuery() issue
I have this method:
3 Answers
3
...
How do I select child elements of any depth using XPath?
Suppose I have this (simplified):
4 Answers
4
...
EJB's - when to use Remote and/or local interfaces?
I'm very new to Java EE and I'm trying to understand the concept of Local interfaces and Remote interfaces. I've been told that one of the big advantages of Java EE is that it is easy to scale (which I believe means you can deploy different components on different servers). Is that where Remote and ...
What is the difference between a generative and a discriminative algorithm?
Please, help me understand the difference between a generative and a
discriminative algorithm, keeping in mind that I am just a beginner.
...
Very large matrices using Python and NumPy
NumPy is an extremely useful library, and from using it I've found that it's capable of handling matrices which are quite large (10000 x 10000) easily, but begins to struggle with anything much larger (trying to create a matrix of 50000 x 50000 fails). Obviously, this is because of the massive memo...
Why do we use $rootScope.$broadcast in AngularJS?
Tried to find some basic information for AngularJS $rootScope.$broadcast , But the AngularJS documentation doesn't help much. In easy words why do we use this?
...
How do I put a border around an Android textview?
Is it possible to draw a border around a textview?
22 Answers
22
...
When and why would you seal a class?
In C# and C++/CLI the keyword sealed (or NotInheritable in VB) is used to protect a class from any inheritance chance (the class will be non-inheritable). I know that one feature of object-oriented programming is inheritance and I feel that the use of sealed goes against this feature, it stop...
How to check if element is visible after scrolling?
I'm loading elements via AJAX. Some of them are only visible if you scroll down the page. Is there any way I can know if an element is now in the visible part of the page?
...