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How can I dynamically create derived classes from a base class
For example I have a base class as follows:
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What do pty and tty mean?
I noticed there are many mentions of pty and tty in some opensource projects, could someone can tell me what do they mean and what is the difference between them? Thanks!
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How does std::move() transfer values into RValues?
I just found myself not fully understanding the logic of std::move() .
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Why does an overridden function in the derived class hide other overloads of the base class?
Consider the code :
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What is the boundary in multipart/form-data?
I want to ask a question about the multipart/form-data . In the HTTP header, I find that the Content-Type: multipart/form-data; boundary=??? .
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What is a Context Free Grammar?
Can someone explain to me what a context free grammar is? After looking at the Wikipedia entry and then the Wikipedia entry on formal grammar, I am left utterly and totally befuddled. Would someone be so kind as to explain what these things are?
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What are the differences between poll and select?
I am referring to the POSIX standard select and poll system C API calls.
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Constructor overloading in Java - best practice
There are a few topics similar to this, but I couldn't find one with a sufficient answer.
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What are “Groovy” and “Grails” and what kinds of applications are built using them?
Nowadays I hear a lot about "Groovy on Grails" and I want to know more about it:
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Are lists thread-safe?
I notice that it is often suggested to use queues with multiple threads, instead of lists and .pop() . Is this because lists are not thread-safe, or for some other reason?
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