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Is there a way to measure how sorted a list is?
...ple sequence 9, 5, 7, 6. This sequence has the inversions (0,1), (0,2), (0,3), (2,3) and the inversion number 4.
If you want a value between 0 and 1, you can divide the inversion number by N choose 2.
To actually create an algorithm to compute this score for how sorted a list is, you have two approa...
using extern template (C++11)
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183
You should only use extern template to force the compiler to not instantiate a template when you...
Can you change what a symlink points to after it is created?
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$ ln -s .bashrc test
$ ls -al test
lrwxrwxrwx 1 pascal pascal 7 2009-09-23 17:12 test -> .bashrc
$ ln -s .profile test
ln: creating symbolic link `test': File exists
$ ln -s -f .profile test
$ ls -al test
lrwxrwxrwx 1 pascal pascal 8 2009-09-23 17:12 test -> .profile
EDIT: As the OP pointe...
How to sort the result from string_agg()
...:58
KT12
33166 silver badges1414 bronze badges
answered Jul 23 '14 at 9:42
Igor RomanchenkoIgor Romanchenko
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Working with time DURATION, not time of day
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73
You can easily do this with the normal "Time" data type - just change the format!
Excels time/d...
Run certain code every n seconds [duplicate]
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332
import threading
def printit():
threading.Timer(5.0, printit).start()
print "Hello, World...
docker error: /var/run/docker.sock: no such file or directory
...ker images": gives 2014/08/19 11:11:45 Get http:///var/run/docker.sock/v1.13/images/json: dial unix /var/run/docker.sock: no such file or directory. Should the docker be placed in the home directory and can it be named with any name? Is it the same as "image-name"?
– user1189...
Is there a standard function to check for null, undefined, or blank variables in JavaScript?
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edited Sep 11 '19 at 3:04
JackNavaRow
18733 silver badges1414 bronze badges
answered Apr 1 '11 at 1...
How to initialize a private static const map in C++?
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{
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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Simple way to encode a string according to a password?
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edited Nov 30 '17 at 19:40
Flippym
97111 gold badge1010 silver badges2323 bronze badges
a...