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What is the best way to clear a session variable in rails?
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answered Oct 22 '10 at 10:34
SigurdSigurd
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How to remove last n characters from every element in the R vector
..._bar","bar_foo","apple","beer")
a = data.frame("data"=char_array,"data2"=1:4)
a$data = substr(a$data,1,nchar(a$data)-3)
a should now contain:
data data2
1 foo_ 1
2 bar_ 2
3 ap 3
4 b 4
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Find XOR of all numbers in a given range
...given a large range [a,b] where 'a' and 'b' can be typically between 1 and 4,000,000,000 inclusive. You have to find out the XOR of all the numbers in the given range.
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List of strings to one string
... wrong though...
As per @Nuri YILMAZ without .ToArray(), but this is .NET 4+:
String.Join(String.Empty, los);
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How to safely open/close files in python 2.4
...for use on one of our servers using Python. The server only has Python 2.4.4 installed.
4 Answers
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Quick search on filename
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edited Aug 24 '14 at 12:48
Anton Dozortsev
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How to make div background color transparent in CSS
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141
Opacity gives you translucency or transparency. See an example Fiddle here.
-ms-filter: "progi...
How to copy text to clipboard/pasteboard with Swift
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4 Answers
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What is the HTML tag “div” short for?
... RushyoRushyo
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Xcode 4 - detach the console/log window
Is it possible to detach the console/log window in Xcode 4?
3 Answers
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