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Pointers, smart pointers or shared pointers? [duplicate]
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Are smart and shared pointers included in the core C++ distribution?
– tunnuz
Jan 6 '09 at 18:05
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Append an object to a list in R in amortized constant time, O(1)?
... list in amortized constant time, such as can be done, for example, with a C++ vector<> container. The best answer(s?) here so far only show the relative execution times for various solutions given a fixed-size problem, but do not address any of the various solutions' algorithmic efficiency di...
How do you get assembler output from C/C++ source in gcc?
... function to optimize/check, then you can give a try to online Interactive C++ Compilers i.e. godbolt
– fiorentinoing
Nov 11 '15 at 8:06
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Programmatically find the number of cores on a machine
Is there a way to determine how many cores a machine has from C/C++ in a platform-independent way? If no such thing exists, what about determining it per-platform (Windows/*nix/Mac)?
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What's the difference between EscapeUriString and EscapeDataString?
...t EscapeDataString for a URI parameter. I tested with the string "I heart C++" and EscapeUriString did not encode the "+" characters, it just left them as is, EscapeDataString correctly converted them to "%2B".
– BrainSlugs83
Nov 10 '13 at 3:42
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Is the sizeof(some pointer) always equal to four?
...t;< "D:" << sizeof(void (D::*)()) << endl;
}
Under Visual C++ 2008, I get 4, 12 and 8 for the sizes of the pointers-to-member-function.
Raymond Chen talked about this here.
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What are the rules for evaluation order in Java?
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Am I correct that C++ doesn't guarantee this? What about Python?
– Neil G
Jul 23 '11 at 21:05
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Parsing JSON from XmlHttpRequest.responseJSON
...r.responseType = 'json';
xhr.onload = function(e) {
if (this.status == 200) {
console.log('response', this.response); // JSON response
}
};
xhr.send();
Documentation for responseType
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How to initialize all members of an array to the same value?
I have a large array in C (not C++ if that makes a difference). I want to initialize all members of the same value.
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String concatenation: concat() vs “+” operator
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Most answers here are from 2008. It looks that things have changed over the time. My latest benchmarks made with JMH shows that on Java 8 + is around two times faster than concat.
My benchmark:
@Warmup(iterations = 5, time = 200, timeUnit = TimeUni...