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What is the best way to concatenate two vectors?
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332
AB.reserve( A.size() + B.size() ); // preallocate memory
AB.insert( AB.end(), A.begin(), A.end...
How to check if running as root in a bash script
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430
The $EUID environment variable holds the current user's UID. Root's UID is 0. Use something lik...
Change the Right Margin of a View Programmatically?
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answered Dec 17 '10 at 16:30
Kevin CoppockKevin Coppock
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Stripping out non-numeric characters in string
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edited Oct 20 '10 at 12:23
answered Oct 20 '10 at 12:04
Fr...
How to convert a number to string and vice versa in C++
...fy a base, for digits larger than 9, the alphabet is assumed (a=10 until z=35). You can find more information about the exact formatting that can parsed here for floating-point numbers, signed integers and unsigned integers.
Finally, for each function there is also an overload that accepts a std::w...
Is it possible to solve the “A generic array of T is created for a varargs parameter” compiler warni
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answered Sep 18 '09 at 15:30
KevinKevin
28.8k99 gold badges7171 silver badges7878 bronze badges
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What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
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237
Braces ($var vs. ${var})
In most cases, $var and ${var} are the same:
var=foo
echo $var
# foo...
Access to private inherited fields via reflection in Java
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131
This should demonstrate how to solve it:
import java.lang.reflect.Field;
class Super {
pr...
What's the purpose of SQL keyword “AS”?
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134
There is no difference between both statements above. AS is just a more explicit way of mention...