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Chrome browser reload options new feature
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214
If you have the Developer Tools open (F12 / Ctrl-Shift-I / Cmd + Opt + I, Chrome Menu → More t...
Undock Chrome Developer Tools
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answered Nov 26 '13 at 14:42
DarkWandererDarkWanderer
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How to find the length of a string in R
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424
See ?nchar. For example:
> nchar("foo")
[1] 3
> set.seed(10)
> strn <- paste(samp...
Difference between make and build in Android Studio
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answered Dec 4 '13 at 13:01
Grzegorz ŻurGrzegorz Żur
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Reduce, fold or scan (Left/Right)?
...e first argument res of our binary operator minus:
val xs = List(1, 2, 3, 4)
def minus(res: Int, x: Int) = {
println(s"op: $res - $x = ${res - x}")
res - x
}
xs.reduceLeft(minus)
// op: 1 - 2 = -1
// op: -1 - 3 = -4 // de-cumulates value -1 in *first* operator arg `res`
// op: -4 - 4 = -8
//...
Skipping Iterations in Python
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answered Feb 14 '09 at 19:50
AndréAndré
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Difference between . and : in Lua
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242
The colon is for implementing methods that pass self as the first parameter. So x:bar(3,4)shou...
how do I insert a column at a specific column index in pandas?
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4 Answers
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Active
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How to find the installed pandas version
...]: import pandas as pd
In [77]: pd.__version__
Out[77]: '0.12.0-933-g281dc4e'
Pandas also provides a utility function, pd.show_versions(), which reports the version of its dependencies as well:
In [53]: pd.show_versions(as_json=False)
INSTALLED VERSIONS
------------------
commit: None
python: 2...