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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 ...
Use tab to indent in textarea
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answered Jul 9 '11 at 20:54
kasdegakasdega
15.6k1212 gold badges3939 silver badges8181 bronze badges
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Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... Display display = PlatformUI.createDisplay();
3 try {
4 int returnCode = PlatformUI.createAndRunWorkbench(display, new ApplicationWorkbenchAdvisor());
5 if (returnCode == PlatformUI.RETURN_RESTART) {
6 return IPlatformRun...
Web scraping with Python [closed]
...
from BeautifulSoup import BeautifulSoup
# or if you're using BeautifulSoup4:
# from bs4 import BeautifulSoup
soup = BeautifulSoup(urllib2.urlopen('http://example.com').read())
for row in soup('table', {'class': 'spad'})[0].tbody('tr'):
tds = row('td')
print tds[0].string, tds[1].string
...
How do I deep copy a DateTime object?
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174
$date1 = new DateTime();
$date2 = new DateTime();
$date2->add(new DateInterval('P3Y'));
Upd...
List of zeros in python [duplicate]
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476
#add code here to figure out the number of 0's you need, naming the variable n.
listofzeros = ...
Replacement for deprecated -sizeWithFont:constrainedToSize:lineBreakMode: in iOS 7?
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edited Nov 11 '14 at 22:28
Robert Altman
4,89355 gold badges2828 silver badges4848 bronze badges
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How to add reference to System.Web.Optimization for MVC-3-converted-to-4 app
...e new bundling feature in a project I recently converted from MVC 3 to MVC 4 beta. It requires a line of code in global.asax, BundleTable.Bundles.RegisterTemplateBundles(); , which requires using System.Web.Optimization; at the top.
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Is It Possible to Sandbox JavaScript Running In the Browser?
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Darius BaconDarius Bacon
14.1k55 gold badges4848 silver badges5252 bronze badges
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Getting Checkbox Value in ASP.NET MVC 4
I'm working on an ASP.NET MVC 4 app. This app has a basic form. The model for my form looks like the following:
18 Answers
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