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How to assign string to bytes array
I want to assign string to bytes array:
9 Answers
9
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Calling C++ class methods via a function pointer
...ility with member pointers - Visual C++, at least in the past, needed some extra clues about how to represent member pointer types. I'd use the static function approach for an embedded system - the representation of a pointer is the same as any other function pointer, the costs are obvious, and ther...
Can I mask an input text in a bat file?
...ate the "echo -n" command from the bash shell. It sets passwd to an empty string as an irrelevant side effect and doesn't wait for input since it's taking its input from the nul: device.
The "for /f "delims=" %%i in ('cscript /nologo getpwd.vbs') do set passwd=%%i" statement is the trickiest bit. ...
How can I generate random alphanumeric strings?
How can I generate a random 8 character alphanumeric string in C#?
33 Answers
33
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Yes/No message box using QMessageBox
...))
{
// do stuff
}
It is generally a good Qt habit to put code-level Strings within a tr("Your String") call.
(QMessagebox as above works within any QWidget method)
EDIT:
you can use QMesssageBox outside a QWidget context, see @TobySpeight's answer.
If you're even outside a QObject conte...
C char array initialization
...ization and assignment are two different beasts, thus C lets you provide a string as an initializer for a char array, but forbids array assignments (as ouah said).
– Lorenzo Donati -- Codidact.com
Sep 9 '13 at 3:24
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Fastest way to check if string contains only digits
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bool IsDigitsOnly(string str)
{
foreach (char c in str)
{
if (c < '0' || c > '9')
return false;
}
return true;
}
Will probably be the fastest way to do it.
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For every character in string
How would I do a for loop on every character in string in C++?
9 Answers
9
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How to append a char to a std::string?
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It's less typing. In gcc, basic_string::operator+= is just a call in push_back.
– eduffy
Sep 24 '09 at 14:37
2
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convert a char* to std::string
I need to use an std::string to store data retrieved by fgets() . To do this I need to convert the char* return value from fgets() into an std::string to store in an array. How can this be done?
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