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Correct format specifier for double in printf
... promoted to double. These are called the default argument promotions." In C++ the wording is somewhat different (e.g., it doesn't use the word "prototype") but the effect is the same: all the variadic parameters undergo default promotions before they're received by the function.
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Should I inherit from std::exception?
I've seen at least one reliable source (a C++ class I took) recommend that application-specific exception classes in C++ should inherit from std::exception . I'm not clear on the benefits of this approach.
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std::vector performance regression when enabling C++11
I have found an interesting performance regression in a small C++ snippet, when I enable C++11:
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Tools to get a pictorial function call graph of code [closed]
...m.
Advantages of dynamic methods:
catches function pointers and virtual C++ calls. These are present in large numbers in any non-trivial software.
Disadvantages of dynamic methods:
you have to run the program, which might be slow, or require a setup that you don't have, e.g. cross-compilation...
Most Useful Attributes [closed]
...ration variables, the compiler allows this for enumerations regardless. My C++ background showing through... sigh
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How do I get the application exit code from a Windows command line?
...tually exits, its exit status is lost.
Instead of using the console-based C++ launcher mentioned elsewhere, though, a simpler alternative is to start a windowed application using the command prompt's START /WAIT command. This will start the windowed application, wait for it to exit, and then retur...
How to print (using cout) a number in binary form?
...ed value, which works out the same as two's complement. Strictly speaking, C++ does not guarantee two's complement arithmetic, and also the -58 >> 3 operation in your example is undefined.
– Potatoswatter
Sep 8 '11 at 14:46
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Is there a standardized method to swap two variables in Python?
... @Catbuilts I'm not sure, but it might help to read up on how C++ pointers work. Whereas Python tries to automatically do things the best way for you, C++ actually gives you all the options to do things in all the possible right and wrong ways, so that's a good starting point for learn...
How to initialize std::vector from C-style array?
...entation of assign is certainly free to use them to optimize; at least in VC++, it does indeed do just that.
– Pavel Minaev
Mar 14 '10 at 1:33
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Why do I get “unresolved external symbol” errors when using templates? [duplicate]
When I write C++ code for a class using templates and split the code between a source (CPP) file and a header (H) file, I get a whole lot of "unresolved external symbol" errors when it comes to linking the final executible, despite the object file being correctly built and included in the linking. ...