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In-memory size of a Python structure
Is there a reference for the memory size of Python data stucture on 32- and 64-bit platforms?
7 Answers
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How to create a temporary directory and get the path / file name in Python
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Samuel Rossille
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answered Jul 11 '10 at 15:45
PhilippPhilipp
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In a javascript array, how do I get the last 5 elements, excluding the first element?
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362
You can call:
arr.slice(Math.max(arr.length - 5, 1))
If you don't want to exclude the first...
Private virtual method in C++
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answered Jan 31 '10 at 5:42
Prasoon SauravPrasoon Saurav
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How to enable Ad Hoc Distributed Queries
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edited Jan 27 '13 at 4:16
Aaron Bertrand
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Split string every nth character?
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>>> line = '1234567890'
>>> n = 2
>>> [line[i:i+n] for i in range(0, len(line), n)]
['12', '34', '56', '78', '90']
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Changing column names of a data frame
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Use the colnames() function:
R> X <- data.frame(bad=1:3, worse=rnorm(3))
R> X
bad worse
1 1 -2.440467
2 2 1.320113
3 3 -0.306639
R> colnames(X) <- c("good", "better")
R> X
good better
1 1 -2.440467
2 2 1.320113
3 3 -0.306639
You can also...
How to upgrade Eclipse for Java EE Developers?
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3 Answers
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How can I wrap text to some length in Vim?
...ption 1 would be achieved by setting textwidth (for example :set textwidth=30 (from Swaarop's answer)). Then you can reformat your text by highlighting it (in visual mode) and typing gq. (textwidth can be abbreviated as tw, thus :set tw=30.)
Option 2 can be toggled by running :set wrap / :set nowra...
Referring to a file relative to executing script
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3 Answers
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