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How can I iterate over an enum?
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With c++11, there actually is an alternative: writing a simple templatized custom iterator.
let's assume your enum is
enum class foo {
one,
two,
three
};
This generic code will do the trick, quite efficiently - place in ...
Swift and mutating struct
... concept, but in Swift, you can do this with one struct. Half work.
For C/C++ programmers, this is also very familiar concept. This is exactly what const keyword do in C/C++.
Also, immutable value can be very nicely optimised. In theory, Swift compiler (or LLVM) can perform copy-elision on values ...
How to debug heap corruption errors?
I am debugging a (native) multi-threaded C++ application under Visual Studio 2008. On seemingly random occasions, I get a "Windows has triggered a break point..." error with a note that this might be due to a corruption in the heap. These errors won't always crash the application right away, altho...
What uses are there for “placement new”?
Has anyone here ever used C++'s "placement new"? If so, what for? It looks to me like it would only be useful on memory-mapped hardware.
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How do I make and use a Queue in Objective-C?
I want to use a queue data structure in my Objective-C program. In C++ I'd use the STL queue. What is the equivalent data structure in Objective-C? How do I push/pop items?
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When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
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const_cast can be used to remove or add const to a variable; no other C++ cast is capable of removing it (not even reinterpret_cast). It is important to note that modifying a formerly const value is only undefined if the original variable is const; if you use it to take the const off a referenc...
Variable declared in for-loop is local variable?
...i by a different name.
N.B:
Please note, C#'s scoping rules differ from C++'s scoping rules. In C++ variables are only in scope from where they are declared until the end of the block. Which would make your code a valid construct in C++.
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How to keep the console window open in Visual C++?
I'm starting out in Visual C++ and I'd like to know how to keep the console window.
22 Answers
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How do I terminate a thread in C++11?
..." command. I am interested in terminating the thread forcefully using pure C++11.
5 Answers
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How can I unit test Arduino code?
...mains is to write the actual tests and then compile it using your favorite C++ compiler! This is probably best illustrated with a real world example.
An actual working example
One of my pet projects found here has some simple tests that run on the PC. For this answer submission, I'll just go ove...