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What's is the difference between include and extend in use case diagram?
...case adds steps to another first-class use case.
For example, imagine "Withdraw Cash" is a use case of an Automated Teller Machine (ATM). "Assess Fee" would extend Withdraw Cash and describe the conditional "extension point" that is instantiated when the ATM user doesn't bank at the ATM's owning...
multiple definition of template specialization when using different objects
...e a specialized template in different object files, I get a "multiple definition" error when linking. The only solution I found involves using the "inline" function, but it just seems like some workaround. How do I solve that without using the "inline" keyword? If that's not possible, why?
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mkdir's “-p” option
So this doesn't seem like a terribly complicated question I have, but it's one I can't find the answer to. I'm confused about what the -p option does in Unix. I used it for a lab assignment while creating a subdirectory and then another subdirectory within that one. It looked like this:
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implements Closeable or implements AutoCloseable
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It seems to me that you are not very familiar with interfaces. In the code you have posted, you don't need to implement AutoCloseable.
You only have to (or should) implement Closeable or AutoCloseable if you are about to imp...
IntelliJ IDEA way of editing multiple lines
I've seen this done in TextMate and I was wondering if there's a way to do it in IDEA.
20 Answers
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What is a reasonable code coverage % for unit tests (and why)? [closed]
If you were to mandate a minimum percentage code-coverage for unit tests, perhaps even as a requirement for committing to a repository, what would it be?
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Copy constructor for a class with unique_ptr
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Since the unique_ptr can not be shared, you need to either deep-copy its content or convert the unique_ptr to a shared_ptr.
class A
{
std::unique_ptr< int > up_;
public:
A( int i ) : up_( new int( i ) ) {}
A( const A& a ) : up_( new int( *a.up_ ) ) {}
};
i...
What's the point of the X-Requested-With header?
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A good reason is for security - this can prevent CSRF attacks because this header cannot be added to the AJAX request cross domain without the consent of the server via CORS.
Only the following headers are allowed cross domain:
Accept
Accept...
Using “Object.create” instead of “new”
...en advocating for a long time. How do I replace new in the code below with Object.create ?
15 Answers
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How to forward declare a template class in namespace std?
...ull template declaration of a template class to be able to forward declare it?
4 Answers
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