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Is it better to use C void arguments “void foo(void)” or not “void foo()”? [duplicate]
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That is the correct way to say "no parameters" in C, and it also works in C++.
But:
void foo();
Means different things in C and C++! In C it means "could take any number of parameters of unknown types", and in C++ it means the same as foo(void).
Variable argument list functions are inherently ...
Is there a replacement for unistd.h for Windows (Visual C)?
...y simple console program written for Unix to the Windows platform ( Visual C++ 8.0 ). All the source files include "unistd.h", which doesn't exist. Removing it, I get complaints about misssing prototypes for 'srandom', 'random', and 'getopt'.
I know I can replace the random functions, and I'm prett...
Is it safe to get values from a java.util.HashMap from multiple threads (no modification)?
... operations are really internally read-only in the thread-safety sense. In C++ standard library for example, there is a blanket rule that member function marked const are truly read-only in such a sense (internally, they may still perform writes, but these will have to be made thread-safe). There is...
What is the logic behind the “using” keyword in C++?
What is the logic behind the "using" keyword in C++?
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Is there any way to put malicious code into a regular expression?
...x who wrote the "Regular Expression" page has also released code! re2 is a C++ library which guarantees O(length_of_regex) runtime and configurable memory-use limit. It's used within Google so that you can type a regex into google code search -- meaning that it's been battle tested.
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How to create the most compact mapping n → isprime(n) up to a limit N?
... n%(i+2) == 0)
return false;
return true;
}
this is just c++ implementation of above AKS algorithm
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Determine a string's encoding in C#
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It came from a non-Unicode C++ app.. The CodeProject article seems a bit too complex, however it seems to do what I want to do.. Thanks..
– krebstar
Jun 22 '09 at 3:47
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To ARC or not to ARC? What are the pros and cons? [closed]
...urs the penalties discussed below:
ARC will not leak memory during ObjC or C++ exception throws in ObjC++ code, but this is at the cost of both time and space performance. This is yet another in a long list of reasons to minimize your use of ObjC++.
ARC will not work at all on iPhoneOS 3 or Mac OS X...
Why use apparently meaningless do-while and if-else statements in macros?
In many C/C++ macros I'm seeing the code of the macro wrapped in what seems like a meaningless do while loop. Here are examples.
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What happens if you static_cast invalid value to enum class?
Consider this C++11 code:
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