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function declaration isn't a prototype
...arbitrary number of arguments, while int foo(void) accepts 0 arguments. In C++ they mean the same thing. I suggest that you use void consistently when you mean no arguments.
If you have a variable a, extern int a; is a way to tell the compiler that a is a symbol that might be present in a different...
throwing exceptions out of a destructor
...he noexcept(false) so the code keeps its original meaning.
// Post C++11 destructors are by default `noexcept(true)` and
// this will (by default) call terminate if an exception is
// escapes the destructor.
//
// But this example is designed to show that term...
Why is there no std::stou?
C++11 added some new string conversion functions:
3 Answers
3
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How can I use an http proxy with node.js http.Client?
...n (error, response, body) {
if (!error && response.statusCode == 200) {
console.log(body);
}
})
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How do you know what to test when writing unit tests? [closed]
...for $300 but you bought for $100. You can expect your customer to pay you $200 to settle the balance.
And what if you sold for $500 but the customer pays you only $250?
So I had a very complex problem to solve with many possibilities that one scenario would work perfectly but would be wrong on an o...
How to apply multiple transforms in CSS?
...(45deg) translate(100px,100px) rotate(45deg); equals transform:translate(200px,200px) rotate(90deg) ,the last one will add
– bigCat
Mar 17 '15 at 14:47
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HTTP test server accepting GET/POST requests
...ST to that url it works. Try: curl -iX POST httpbin.org/post it returns a 200.
– Robert
Nov 3 '15 at 23:36
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What is a smart pointer and when should I use one?
...at the time, which was smart pointers provided by the Boost library. Since C++11, the standard library has provided sufficient smart pointers types, and so you should favour the use of std::unique_ptr, std::shared_ptr and std::weak_ptr.
There was also std::auto_ptr. It was very much like a scoped ...
Random number from a range in a Bash Script
I need to generate a random port number between 2000-65000 from a shell script. The problem is $RANDOM is a 15-bit number, so I'm stuck!
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Is there a performance difference between i++ and ++i in C++?
...ive Summary: Use ++i if you don't have a specific reason to use i++.]
For C++, the answer is a bit more complicated.
If i is a simple type (not an instance of a C++ class), then the answer given for C ("No there is no performance difference") holds, since the compiler is generating the code.
Howe...