大约有 47,000 项符合查询结果(耗时:0.0523秒) [XML]

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Test for multiple cases in a switch, like an OR (||)

...nywhere... thank you @SLaks for you're answer too. – Andres Jun 29 '11 at 14:40 ...
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Should I use @EJB or @Inject

I have found this question: What is the difference between @Inject and @EJB but I did not get any wiser. I have not done Java EE before nor do I have experience with dependency injection so I do not understand what I should use? ...
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How to create a numpy array of all True or all False?

...s very easily: e.g. numpy.ones((2, 2)) or numpy.zeros((2, 2)) Since True and False are represented in Python as 1 and 0, respectively, we have only to specify this array should be boolean using the optional dtype parameter and we are done. numpy.ones((2, 2), dtype=bool) returns: array([[ True, ...
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What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?

... Yes. They are different file formats (and their file extensions). Wikipedia entries for each of the formats will give you quite a bit of information: JPEG (or JPG, for the file extension; Joint Photographic Experts Group) PNG (Portable Network Graphics) BMP (B...
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What is the correct way to represent null XML elements?

...esponding complex type. A clarification: If you have a book xml element and one of the child elements is book:series you have several options when filling it out: Removing the element entirely - This can be done when you wish to indicate that series does not apply to this book or that book is n...
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How can I apply a function to every row/column of a matrix in MATLAB?

... Many built-in operations like sum and prod are already able to operate across rows or columns, so you may be able to refactor the function you are applying to take advantage of this. If that's not a viable option, one way to do it is to collect the rows or c...
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How to write a CSS hack for IE 11? [duplicate]

...nly for IE 11? I have a website that looks bad in IE 11.I just search here and there but didnt find any solution yet. 8 Ans...
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JSON Naming Convention (snake_case, camelCase or PascalCase) [closed]

Is there a standard on JSON naming? I see most examples using all lower case separated by underscore, aka snake_case , but can it be used PascalCase or camelCase as well? ...
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How to deal with SettingWithCopyWarning in Pandas?

I just upgraded my Pandas from 0.11 to 0.13.0rc1. Now, the application is popping out many new warnings. One of them like this: ...
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NSObject +load and +initialize - What do they do?

I'm interested in understanding the circumstances leading a developer to override +initialize or +load. Documentation makes it clear these methods are called for you by the Objective-C runtime, but that's really all that is clear from the documentation of those methods. :-) ...