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Yes/No message box using QMessageBox
...lude <QApplication>
#include <QMessageBox>
int main(int argc, char **argv)
{
QApplication app{argc, argv};
while (QMessageBox::question(nullptr,
qApp->translate("my_app", "Test"),
qApp->translate("my_app", "...
Get an OutputStream into a String
...tring constructor, the codepage can be a String or an instance of java.nio.charset.Charset. A possible value is java.nio.charset.StandardCharsets.UTF_8.
The method toString() accepts only a String as a codepage parameter (stand Java 8).
...
C++ STL Vectors: Get iterator from index?
... legal to do this folowing, according to me:
int main()
{
void foo(const char *);
sdt::vector<char> vec;
vec.push_back('h');
vec.push_back('e');
vec.push_back('l');
vec.push_back('l');
vec.push_back('o');
vec.push_back('/0');
foo(&vec[0]);
}
Of course, either foo must not copy the ad...
How to Copy Text to Clip Board in Android?
... }
return "";
}
@SuppressLint("NewApi")
public CharSequence coerceToText(Context context, ClipData.Item item) {
// If this Item has an explicit textual value, simply return that.
CharSequence text = item.getText();
if (text != null) {
r...
Difference between decimal, float and double in .NET?
... | | | with 28 or 29 significant figures |
| char | System.Char | N/A | 2 | Any Unicode character (16 bit) |
| bool | System.Boolean | N/A | 1 / 2 | true or false |
+---------+----------------+-------...
How to exclude this / current / dot folder from find “type d”
...his particular case (.), golfs better than the mindepth solution (24 vs 26 chars), although this is probably slightly harder to type because of the !.
To exclude other directories, this will golf less well and requires a variable for DRYness:
D="long_name"
find "$D" ! -path "$D" -type d
My decis...
Efficient string concatenation in C++
...tor+ is not efficient:
Take a look at this interface:
template <class charT, class traits, class Alloc>
basic_string<charT, traits, Alloc>
operator+(const basic_string<charT, traits, Alloc>& s1,
const basic_string<charT, traits, Alloc>& s2)
You can see t...
How to split one string into multiple strings separated by at least one space in bash shell?
...[*] [a] [*]. Only use it if you are 101% sure that there are no SHELL metacharacters in the splitted string!
– Tino
May 13 '15 at 10:03
4
...
What is the difference between an int and an Integer in Java and C#?
...nt is not an object.
int is one of the few primitives in Java (along with char and some others). I'm not 100% sure, but I'm thinking that the Integer object more or less just has an int property and a whole bunch of methods to interact with that property (like the toString() method for example). So...
Measuring execution time of a function in C++
...ypedef std::string String;
//first test function doing something
int countCharInString(String s, char delim){
int count=0;
String::size_type pos = s.find_first_of(delim);
while ((pos = s.find_first_of(delim, pos)) != String::npos){
count++;pos++;
}
return count;
}
//sec...