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Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?
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146
You can use the logical 'OR' operator in place of the Elvis operator:
For example displayname ...
Removing the remembered login and password list in SQL Server Management Studio
...:\Users\%username%\AppData\Roaming\Microsoft\SQL Server Management Studio\14.0\SqlStudio.bin
SQL Server Management Studio 2016 delete the file
C:\Users\%username%\AppData\Roaming\Microsoft\SQL Server Management Studio\13.0\SqlStudio.bin
SQL Server Management Studio 2014 delete the file
C:\Users\%u...
find -exec with multiple commands
...Alan W. Smith
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answered May 18 '11 at 11:25
TinkerTinker
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Is there a difference between using a dict literal and a dict constructor?
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answered Jul 7 '11 at 12:43
John La RooyJohn La Rooy
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How to draw an empty plot?
...:30
Penz
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answered Jan 24 '11 at 18:39
Joshua UlrichJos...
国务院:网速提40%流量不清零 三运营商尚未回应 - 资讯 - 清泛网 - 专注C/C+...
国务院:网速提40%流量不清零 三运营商尚未回应敦促“提网速、降网费”一个月后，李克强总理5月13日主持召开国务院常务会议，确定加快建设高速宽带网络促进提速降费措施，助力创业创新和民生改善。
会议指出，加快高速...
How to initialize a private static const map in C++?
... {
map<int,int> m;
m[1] = 2;
m[3] = 4;
m[5] = 6;
return m;
}
static const map<int,int> myMap;
};
const map<int,int> A:: myMap = A::create_map();
int main() {
}
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Or versus OrElse
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146
OrElse is a short-circuiting operator, Or is not.
By the definition of the boolean 'or' operat...
Where can I learn how to write C code to speed up slow R functions? [closed]
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4 Answers
4
Active
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Execution time of C program
...ating point type. This can be more precise than a second (e.g. you measure 4.52 seconds). Precision depends on the architecture; on modern systems you easily get 10ms or lower, but on older Windows machines (from the Win98 era) it was closer to 60ms.
clock() is standard C; it works "everywhere". Th...