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Confusion between factor levels and factor labels
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131
Very short : levels are the input, labels are the output in the factor() function. A factor ha...
Add st, nd, rd and th (ordinal) suffix to a number
...ate a string of text based on a current day. So, for example, if it is day 1 then I would like my code to generate = "Its the 1* st *".
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How to break nested loops in JavaScript? [duplicate]
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15 Answers
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Hex representation of a color with alpha channel?
...255, 0, 0, 0.5) would be 50% transparent red. RGB channels are 0-255 or 0%-100%, alpha is 0-1.
In CSS 4*, you can specify the alpha channel using the 7th and 8th characters of an 8 digit hex colour, or 4th character of a 4 digit hex colour (see CSS Level 4 spec*)
As of May 2019, >80% of users c...
Time complexity of Sieve of Eratosthenes algorithm
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118
Your n/2 + n/3 + n/5 + … n/97 is not O(n), because the number of terms is not constant. [Ed...
Converting between datetime, Timestamp and datetime64
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12 Answers
12
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What is the difference between svg's x and dx attribute?
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answered Oct 1 '13 at 22:52
Scott CameronScott Cameron
5,02711 gold badge2626 silver badges3131 bronze badges
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Stack smashing detected
...following snippet:
#include <stdio.h>
void func()
{
char array[10];
gets(array);
}
int main(int argc, char **argv)
{
func();
}
The compiler, (in this case gcc) adds protection variables (called canaries) which have known values. An input string of size greater than 10 causes c...
How to iterate object in JavaScript? [duplicate]
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143
You can do it with the below code. You first get the data array using dictionary.data and assi...
sed error: “invalid reference \1 on `s' command's RHS”
... variant 2:
-r -e "s/WARNING: (\([a-zA-Z0-9./\\ :-]\+\))/${warn}WARNING: \1${c_end}/g" \
(Note: untested)
Without the -r argument back-references (like \1) won't work.
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