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Paste multiple columns together
I have a bunch of columns in a dataframe which I want to paste together (seperated by "-") as follows:
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How Pony (ORM) does its tricks?
Pony ORM does the nice trick of converting a generator expression into SQL. Example:
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What is std::string::c_str() lifetime?
In one of my programs, I have to interface with some legacy code that works with const char* .
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Can C++ code be valid in both C++03 and C++11 but do different things?
Is it possible for C++ code to conform to both the C++03 standard and the C++11 standard, but do different things depending on under which standard it is being compiled?
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Emacs: print key binding for a command or list all key bindings
In Emacs (GNU 23.2, *nix), how can I:
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Is effective C++ still effective?
From what I saw in this post I decided to start reading the book Effective C++ .
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Where is C not a subset of C++? [closed]
I read in a lot of books that C is a subset of C++.
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Is there a difference between foo(void) and foo() in C++ or C?
Consider these two function definitions:
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bool to int conversion
How portable is this conversion. Can I be sure that both assertions pass?
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What does [ N … M ] mean in C aggregate initializers?
From sys.c line 123:
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