大约有 43,000 项符合查询结果(耗时:0.0840秒) [XML]

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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 is the difference between 'protected' and 'protected internal'?

Can someone please elaborate me the difference between 'protected' and 'protected internal' modifiers in C#? It looks they behave in same manner. ...
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Which characters are valid in CSS class names/selectors?

...racter is a hyphen, the second character must2 be a letter or underscore, and the name must be at least 2 characters long. -?[_a-zA-Z]+[_a-zA-Z0-9-]* In short, the previous rule translates to the following, extracted from the W3C spec.: In CSS, identifiers (including element names, classes, ...
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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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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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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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Difference between size_t and std::size_t

What are the differences between size_t and std::size_t in terms of where they are declared, when they should be used and any other differentiating features? ...
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Image Processing: Algorithm Improvement for 'Coca-Cola Can' Recognition

... sample below, with the can recognized in the green rectangle with scale and rotation. 23 Answers ...
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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. ...