大约有 42,000 项符合查询结果(耗时:0.0513秒) [XML]

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Why does C++ need a separate header file?

...ile with the same functions as in the .cpp file. It makes creating classes and refactoring them very difficult, and it adds unnecessary files to the project. And then there is the problem with having to include header files, but having to explicitly check if it has already been included. ...
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What size should apple-touch-icon.png be for iPad and iPhone?

Are Apple touch icons bigger than 60x60 supported, and if so, what dimensions should I use for the iPad and iPhone? 11 Answ...
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Comparison of full text search engine - Lucene, Sphinx, Postgresql, MySQL?

I'm building a Django site and I am looking for a search engine. 9 Answers 9 ...
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Comet and jQuery [closed]

I've done some research into server push with javascript and have found the general consensus to be that what I'm looking for lies in the "Comet" design pattern. Are there any good implementations of this pattern built on top of jQuery? If not, are there any good implementations of this pattern at a...
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What is unit testing? [closed]

...to unit test in a specific language, but no question asking 'what', 'why', and 'when'. 20 Answers ...
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Visual Studio displaying errors even if projects build

I have a problem with Visual Studio on a C# solution. It displays totally random errors, but the projects build. Right now, I have 33 files with errors, and I can see red squiggly lines in all of them. ...
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AngularJS: Understanding design pattern

...pps: Controller Controller should be just an interlayer between model and view. Try to make it as thin as possible. It is highly recommended to avoid business logic in controller. It should be moved to model. Controller may communicate with other controllers using method invocation (possible wh...
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What is the use of interface constants?

I am learning Java and just found that the Interface can have fields, which are public static and final. I haven't seen any examples of these so far. What are some of the use cases of these Interface Constants and can I see some in the Java Standard Library? ...
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JAXB creating context and marshallers cost

...s a bit theoretical, what is the cost of creating JAXB context, marshaller and unmarshaller? 8 Answers ...
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Can you explain the concept of streams?

I understand that a stream is a representation of a sequence of bytes. Each stream provides means for reading and writing bytes to its given backing store. But what is the point of the stream? Why isn't the backing store itself what we interact with? ...