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How to randomize (or permute) a dataframe rowwise and columnwise?
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234
Given the R data.frame:
> df1
a b c
1 1 1 0
2 1 0 0
3 0 1 0
4 0 0 0
Shuffle row-wise:
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Using headers with the Python requests library's get method
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edited Mar 24 at 12:31
Martijn Pieters♦
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What is the most efficient way to store tags in a database?
...m/questions/20856/…
– Cherian
Oct 4 '09 at 10:10
if there is some thing like tagGroup how to handle it eg the tags a...
What's the difference between size_t and int in C++?
...me as unsigned int, which can lead to programming errors, particularly as 64-bit architectures become more prevalent.
Also, check Why size_t matters
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How do I choose grid and block dimensions for CUDA kernels?
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148
There are two parts to that answer (I wrote it). One part is easy to quantify, the other is mor...
UPDATE multiple tables in MySQL using LEFT JOIN
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edited Apr 30 '09 at 13:46
answered Apr 30 '09 at 13:32
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Which characters are illegal within a branch name?
...ot have ASCII control characters (i.e. bytes whose values are lower than \040, or \177 DEL), space, tilde ~, caret ^, or colon : anywhere.
They cannot have question-mark ?, asterisk *, or open bracket [ anywhere. See the --refspec-pattern option below for an exception to this rule.
They cannot beg...
How to display a content in two-column layout in LaTeX?
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gsamaras
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answered Sep 29 '09 at 11:02
Rob Hyndman...
New lines inside paragraph in README.md
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How to find a min/max with Ruby
I want to use min(5,10) , or Math.max(4,7) . Are there functions to this effect in Ruby?
6 Answers
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