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How to work with complex numbers in C?
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int main() {
double complex z1 = 1.0 + 3.0 * I;
double complex z2 = 1.0 - 4.0 * I;
printf("Working with complex numbers:\n\v");
printf("Starting values: Z1 = %.2f + %.2fi\tZ2 = %.2f %+.2fi\n", creal(z1), cimag(z1), creal(z2), cimag(z2));
double complex sum = z1 + z2;
pr...
How do I prevent an Android device from going to sleep programmatically?
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eldarerathiseldarerathis
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How do you detect Credit card type based on number?
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29 Answers
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What breaking changes are introduced in C++11?
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The FDIS has a section for incompatibilities, at appendix C.2 "C++ and ISO C++ 2003".
Summary, paraphrasing the FDIS here, to make it (better) suitable as a SO answer. I added some examples of my own to illustrate the differences.
There are a few library-related incompatibilities w...
How to get the error message from the error code returned by GetLastError()?
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//Returns the last Win32 error, in string format. Returns an empty string if there is no error.
std::string GetLastErrorAsString()
{
//Get the error message, if any.
DWORD errorMessageID = ::GetLastError();
if(errorMessageID == 0)
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Can I install the “app store” in an IOS simulator?
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121
This is NOT possible
The Simulator does not run ARM code, ONLY x86 code. Unless you have the r...
What does rake db:test:prepare actually do?
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answered Mar 2 '13 at 2:26
Richard BrownRichard Brown
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Creating a constant Dictionary in C#
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182
Creating a truly compile-time generated constant dictionary in C# is not really a straightforwar...
Refused to display in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'
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Andrew Tobilko
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answered Nov 6 '14 at 15:59
Aymen MouelhiA...
What is the purpose of the word 'self'?
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