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An efficient way to transpose a file in Bash
...];
}
print str
}
}' file
output
$ more file
0 1 2
3 4 5
6 7 8
9 10 11
$ ./shell.sh
0 3 6 9
1 4 7 10
2 5 8 11
Performance against Perl solution by Jonathan on a 10000 lines file
$ head -5 file
1 0 1 2
2 3 4 5
3 6 7 8
4 9 10 11
1 0 1 2
$ wc -l < file
10000
$ time perl ...
error: command 'gcc' failed with exit status 1 while installing eventlet
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374
Your install is failing because you don't have the python development headers installed. You can...
How do I get the value of text input field using JavaScript?
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14 Answers
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Undefined reference to vtable
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431
The GCC FAQ has an entry on it:
The solution is to ensure that all virtual methods that are n...
Disable firefox same origin policy
...e, the addon is installed after you click install and you can skip to step 4.
If you downloaded the xpi you can jump to step 3. If you downloaded the zip from GitHub, go to step 2.
2) Building the xpi
You need to extract the zip, get inside the "cors-everywhere-firefox-addon-master" folder, selec...
Recommended method for escaping HTML in Java
...ion 3:
import static org.apache.commons.lang3.StringEscapeUtils.escapeHtml4;
// ...
String escaped = escapeHtml4(source);
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Getting LaTeX into R Plots
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48
Here's an example using ggplot2:
q <- qplot(cty, hwy, data = mpg, colour = displ)
q + xlab(...
What's the Best Way to Shuffle an NSMutableArray?
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74
You don't need the swapObjectAtIndex method. exchangeObjectAtIndex:withObjectAtIndex: already ex...
what is the difference between GROUP BY and ORDER BY in sql
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answered Aug 14 '09 at 11:52
CMeratCMerat
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How to pass values between Fragments
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204
step 1.to send data from fragment to activity
Intent intent = new Intent(getActivity().getBaseC...