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string.charAt(x) or string[x]?
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Despite being the highest-scored this answer is now (2019) significantly out of date. The answer below quoting MDN should be referred to instead.
– Scott Martin
Feb 14 '19 at 10:57
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How do you allow spaces to be entered using scanf?
...e <stdio.h>
int main (int argc, char const *argv[])
{
char name[20];
scanf("%[^\n]s",name);
printf("%s\n", name);
return 0;
}
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How can I get a Bootstrap column to span multiple rows?
...ht as box one grows?
– Imran NZ
Oct 20 '15 at 19:20
2
stackoverflow.com/questions/19695784/…
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Overlaying histograms with ggplot2 in R
... concrete example with some output:
dat <- data.frame(xx = c(runif(100,20,50),runif(100,40,80),runif(100,0,30)),yy = rep(letters[1:3],each = 100))
ggplot(dat,aes(x=xx)) +
geom_histogram(data=subset(dat,yy == 'a'),fill = "red", alpha = 0.2) +
geom_histogram(data=subset(dat,yy == 'b'),fi...
finding and replacing elements in a list
...so use a dictionary:
a = [1, 2, 3, 4, 1, 5, 3, 2, 6, 1, 1]
dic = {1:10, 2:20, 3:'foo'}
print([dic.get(n, n) for n in a])
> [10, 20, 'foo', 4, 10, 5, 'foo', 20, 6, 10, 10]
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Java - JPA - @Version annotation
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answered Apr 3 '10 at 20:50
Pascal ThiventPascal Thivent
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Is there a date format to display the day of the week in java?
... of date formats such as
"yyyy-mm-dd" -which displays date in format 2011-02-26
"yyyy-MMM-dd" -which displays date in format 2011-FEB-26
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How do I get the first n characters of a string without checking the size or going out of bounds?
... more obvious.
– ToolmakerSteve
Aug 20 '14 at 5:17
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What's the false operator in C# good for?
...e read.
– IAmTimCorey
Jun 26 '11 at 20:14
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Count rows with not empty value
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203
I just used =COUNTIF(Range, "<>") and it counted non-empty cells for me.
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