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Named regular expression group “(?Pregexp)”: what does “P” stand for?
...on, the (?P<group_name>…) syntax allows one to refer to the matched string through its name:
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Analyze audio using Fast Fourier Transform
I am trying to create a graphical spectrum analyzer in python.
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Start thread with member function
I am trying to construct a std::thread with a member function that takes no arguments and returns void . I can't figure out any syntax that works - the compiler complains no matter what. What is the correct way to implement spawn() so that it returns a std::thread that executes test() ?
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How exactly does a generator comprehension work?
What does generator comprehension do? How does it work? I couldn't find a tutorial about it.
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Parallel foreach with asynchronous lambda
I would like to handle a collection in parallel, but I'm having trouble implementing it and I'm therefore hoping for some help.
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How does Go update third-party packages?
Looking how actively golang packages grow and improve I wonder how the problem with package versions is solved?
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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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Node.js - use of module.exports as a constructor
According to the Node.js manual:
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ActiveRecord: size vs count
In Rails, you can find the number of records using both Model.size and Model.count . If you're dealing with more complex queries is there any advantage to using one method over the other? How are they different?
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