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Question：I know references are syntactic sugar, so code is easier to read and write.But what are the differences?Summary from answers ... 阅读全文
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Question：What does copying an object mean? What are the copy constructor and the copy assignment operator? When do I need to declare t... 阅读全文
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Question：This question was already asked in the context of C#/.Net.Now I'd like to learn the differences between a struct and a class ... 阅读全文
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Question：In what scenarios is it better to use a struct vs a class in C++?Answer：The only difference between a class and a struct in C... 阅读全文
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I open several files in Vim by, for example, runningvim a/*.phpwhich opens 23 files.I then make my edit and run the following twice:qw... 阅读全文
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Question:Suppose a1, b1, c1, and d1 point to heap memory and my numerical code has the following core loop.const int n=100000for(int j... 阅读全文
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Question:#include int main(){ std::cout << "25"+1; return 0;}I am getting "5" as output.when I use "5"+1,output is blank;"456"+1... 阅读全文
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Question:But I completely have no idea what I wanted to make. I just would like to study android.Would someone recommend me a simple p... 阅读全文
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Question:I have been getting my feet wet with android sdk, eclipse, and other various beginner steps to making applications; now I wan... 阅读全文