大约有 42,000 项符合查询结果(耗时:0.0650秒) [XML]

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What's the point of Spring MVC's DelegatingFilterProxy?

...ds a bean ("target bean" or "delegate") in your Spring application context and invokes it. How is it possible? Because this bean implements javax.servlet.Filter, its doFilter method is called. Which bean is called? the DelegatingFilterProxy "Supports a "targetBeanName" [...], specifying the name of...
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Returning a boolean from a Bash function

... want to write a bash function that check if a file has certain properties and returns true or false. Then I can use it in my scripts in the "if". But what should I return? ...
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How to Implement Custom Table View Section Headers and Footers with Storyboard

...g a storyboard we could simply drag a UIView onto the canvas, lay it out and then set it in the tableView:viewForHeaderInSection or tableView:viewForFooterInSection delegate methods. ...
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What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?

I am transitioning from Java to C++ and have some questions about the long data type. In Java, to hold an integer greater than 2 32 , you would simply write long x; . However, in C++, it seems that long is both a data type and a modifier. ...
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What are the differences between BDD frameworks for Java? [closed]

What are the pros and cons of each Behavior Driven Development (BDD) framework for Java? 8 Answers ...
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Error during installing HAXM, VT-X not working

I am an entry-level Android software developer. I recently heard about HAXM that support emulator in rendering graphics more smoothly. I downloaded appropriate file HAXM file for Windows 7 64 bit, unpacked and started installing. However, during the installation process I get this error: ...
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Why should I use a pointer rather than the object itself?

I'm coming from a Java background and have started working with objects in C++. But one thing that occurred to me is that people often use pointers to objects rather than the objects themselves, for example this declaration: ...
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What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?

...C++ community(particularly ##c++ on freenode) resent the use of wstrings and wchar_t , and their use in the windows api. What is exactly "wrong" with wchar_t and wstring , and if I want to support internationalization, what are some alternatives to wide characters? ...
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java.lang.UnsupportedClassVersionError: Bad version number in .class file?

... suggestions on the web indicate that the code was compiled in one version and executed in another version (new on old). However, I only have one version of JRE on my system. If I run the commands: ...
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Convert Existing Eclipse Project to Maven Project

...ilds. Right now the procedure is far more complicated than it ought to be, and we're hoping that Maven will simplify things to a one-click build. ...