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How to keep Maven profiles which are activeByDefault active even if another profile gets activated?
...
154
One trick is to avoid activeByDefault, and instead activate the profile by the absence of a pr...
Why are these numbers not equal?
...ally true because some values which are simple, finite decimals (such as 0.1 and 0.05) are not represented exactly in the computer and so the results of arithmetic on them may not give a result that is identical to a direct representation of the "known" answer.
This is a well known limitation of co...
Write to .txt file?
...txt", "w");
if (f == NULL)
{
printf("Error opening file!\n");
exit(1);
}
/* print some text */
const char *text = "Write this to the file";
fprintf(f, "Some text: %s\n", text);
/* print integers and floats */
int i = 1;
float py = 3.1415927;
fprintf(f, "Integer: %d, float: %f\n", i, py);
...
Relative frequencies / proportions with dplyr
...se(n = n()) %>%
mutate(freq = n / sum(n))
# am gear n freq
# 1 0 3 15 0.7894737
# 2 0 4 4 0.2105263
# 3 1 4 8 0.6153846
# 4 1 5 5 0.3846154
From the dplyr vignette:
When you group by multiple variables, each summary peels off one level of the grouping. That mak...
nosetests is capturing the output of my print statements. How to circumvent this?
...
Either:
$ nosetests --nocapture mytest.py
Or:
$ NOSE_NOCAPTURE=1 nosetests mytests.py
(it can also be specified in the nose.cfg file, see nosetests --help)
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Can you break from a Groovy “each” closure?
...
194
Nope, you can't abort an "each" without throwing an exception. You likely want a classic loop...
File path to resource in our war/WEB-INF folder?
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138
There's a couple ways of doing this. As long as the WAR file is expanded (a set of files inst...
Doing something before program exit
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165
Check out the atexit module:
http://docs.python.org/library/atexit.html
For example, if I wa...
Does List guarantee insertion order?
Say I have 3 strings in a List (e.g. "1","2","3").
5 Answers
5
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CSS: How to have position:absolute div inside a position:relative div not be cropped by an overflow:
...here is the full code with this change:
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<style type="text/css">
/* Positioning */
#box1 { overflow: hidden }
#box2 { position: absolute }
#box3 {...