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Find the day of a week
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305
df = data.frame(date=c("2012-02-01", "2012-02-01", "2012-02-02"))
df$day <- weekdays(as.Dat...
Express next function, what is it really for?
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edited Oct 30 '12 at 5:33
answered Oct 30 '12 at 5:26
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Importing Maven project into Eclipse
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answered Jan 14 '10 at 1:33
Pascal ThiventPascal Thivent
524k126126 gold badges10121012 silver badges10991099 bronze badges
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How to set thousands separator in Java?
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110
This should work (untested, based on JavaDoc):
DecimalFormat formatter = (DecimalFormat) Number...
Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...h a Micro instance running.
Run dd if=/dev/zero of=/swapfile bs=1M count=1024
Run mkswap /swapfile
Run swapon /swapfile
Add this line /swapfile swap swap defaults 0 0 to /etc/fstab
Step 4 is needed if you would like to automatically enable swap file after each reboot.
Some useful command related t...
Add a tooltip to a div
...er;"
– RayLoveless
Mar 19 '14 at 15:07
2
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Input with display:block is not a block, why not?
...ely unknown box-sizing:border-box style from CSS 3. This allows a 'true' 100% width on any element regardless of that elements' padding and/or borders.
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta ht...
Programmatically go back to the previous fragment in the backstack
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360
Look at the getFragmentManager().popBackStack() methods (there are several to choose from)
http...
Benchmarking small code samples in C#, can this implementation be improved?
...endingFinalizers();
GC.Collect();
watch.Start();
for (int i = 0; i < iterations; i++) {
func();
}
watch.Stop();
Console.Write(description);
Console.WriteLine(" Time Elapsed {0} ms", watch.Elapsed.TotalMilliseconds);
return watch.Elapsed.TotalMilliseconds;
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Contains case insensitive
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answered Jan 24 '12 at 20:38
Rob WRob W
304k6868 gold badges730730 silver badges629629 bronze badges
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