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Why does C# disallow readonly local variables?
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-1 In C++ there's no machine code support for const (which in C++ is more like C# readonly than like C# const, although it can play both roles). Yet C++ supports const for local automatic variable. Hence the lack of CLR support for...
Generate random numbers following a normal distribution in C/C++
...n I easily generate random numbers following a normal distribution in C or C++?
18 Answers
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What happens if I define a 0-size array in C/C++?
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FYI, as a general rule, the (C or C++) standards only state what compilers must allow, but not what they must disallow. In some cases, they will state that the compiler should issue a "diagnostic" but that's about as specific as they get. The rest is left t...
How can I pass a member function where a free function is expected?
... an object from the void* and then calls the member function.
In a proper C++ interface you might want to have a look at having your function take templated argument for function objects to use arbitrary class types. If using a templated interface is undesirable you should use something like std::f...
Why are Python's 'private' methods not actually private?
...on, most OOP languages don't support truly private members. For example in C++ you have raw access to memory and in C# trusted code can use private reflection.
– CodesInChaos
Jul 13 '16 at 10:40
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What are the most common naming conventions in C?
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Well firstly C doesn't have public/private/virtual functions. That's C++ and it has different conventions. In C typically you have:
Constants in ALL_CAPS
Underscores to delimit words in structs or function names, hardly ever do you see camel case in C;
structs, typedefs, unions, members (of ...
Most efficient way to remove special characters from string
...ogram() {
_lookup = new bool[65536];
for (char c = '0'; c <= '9'; c++) _lookup[c] = true;
for (char c = 'A'; c <= 'Z'; c++) _lookup[c] = true;
for (char c = 'a'; c <= 'z'; c++) _lookup[c] = true;
_lookup['.'] = true;
_lookup['_'] = true;
}
public static string RemoveSpeci...
What is string_view?
string_view was a proposed feature within the C++ Library Fundamentals TS( N3921 ) added to C++17
1 Answer
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Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
... anything can happen, and discussing why does it happen under the rules of C++ doesn't make sense.
C++11 draft N3337: §5.4:1
If during the evaluation of an expression, the result is not mathematically defined or not in the range of
representable values for its type, the behavior is undefin...
What is The Rule of Three?
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Introduction
C++ treats variables of user-defined types with value semantics.
This means that objects are implicitly copied in various contexts,
and we should understand what "copying an object" actually means.
Let us consider a simple ex...