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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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How do I enable C++11 in gcc?
I use gcc 4.8.1 from http://hpc.sourceforge.net on Mac OSX Mountain Lion. I am trying to compile a C++ program which uses the to_string function in <string> . I need to use the flag -std=c++11 every time:
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string c_str() vs. data()
I have read several places that the difference between c_str() and data() (in STL and other implementations) is that c_str() is always null terminated while data() is not.
As far as I have seen in actual implementations, they either do the same or data() calls c_str() .
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C/C++ NaN constant (literal)?
Is this possible to assign a NaN to a double or float in C/C++? Like in JavaScript you do: a = NaN . So later you can check if the variable is a number or no.
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How to compile a static library in Linux?
I have a question: How to compile a static library in Linux with gcc , i.e. I need to compile my source code into a file named out.a. Is it sufficient to simply compile with the command gcc -o out.a out.c ? I'm not quite familiar with gcc , hope anyone can give me a hand.
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