大约有 43,000 项符合查询结果(耗时:0.0977秒) [XML]

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What is the difference between a static and a non-static initialization code block

My question is about one particular usage of static keyword. It is possible to use static keyword to cover a code block within a class which does not belong to any function. For example following code compiles: ...
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Why Qt is misusing model/view terminology?

I think that the terminology used in Qt with model/view controls is flawed. On their explanation page they state, that they simplified the MVC to MV by merging View and Controller and they are giving the following picture: ...
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Shell - How to find directory of some command?

I know that when you are on shell, the only commands that can be used are the ones that can be found on some directory set on PATH. Even I don't know how to see what dirs are on my PATH variable (and this is another good question that could be answered), what I'd like to know is: ...
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How does this program work?

It displays a 0 !! How is that possible? What is the reasoning? 13 Answers 13 ...
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Design patterns to avoid [closed]

A lot of people seem to agree, that the Singleton pattern has a number of drawbacks and some even suggest avoiding the pattern entirely. There's an excellent discussion here . Please direct any comments about the Singleton pattern to that question. ...
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Why does JPA have a @Transient annotation?

Java has the transient keyword. Why does JPA have @Transient instead of simply using the already existing java keyword? ...
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How can you represent inheritance in a database?

I'm thinking about how to represent a complex structure in a SQL Server database. 8 Answers ...
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How to determine if a number is a prime with regex?

I found the following code example for Java on RosettaCode : 4 Answers 4 ...
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Difference between web server, web container and application server

Please tell me the Difference between web server, web container and application server. 8 Answers ...
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How to merge two arrays in JavaScript and de-duplicate items

I have two JavaScript arrays: 76 Answers 76 ...