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Rename Pandas DataFrame Index
...ut with df.rename() only the column name is renamed. Bug? I'm on version 0.12.0
9 Answers
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Naming returned columns in Pandas aggregate function? [duplicate]
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107
This will drop the outermost level from the hierarchical column index:
df = data.groupby(...)...
How to find the length of a string in R
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See ?nchar. For example:
> nchar("foo")
[1] 3
> set.seed(10)
> strn <- paste(sample(LETTERS, 10), collapse = "")
> strn
[1] "NHKPBEFTLY"
> nchar(strn)
[1] 10
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Most popular screen sizes/resolutions on Android phones [closed]
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61
You can see the resolutions for those categories in the Table 2, in this section: http://develop...
What do the different readystates in XMLHttpRequest mean, and how can I use them?
XMLHttpRequest has 5 readyState s, and I only use 1 of them (the last one, 4 ).
5 Answers
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When should I use Struct vs. OpenStruct?
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With an OpenStruct, you can arbitrarily create attributes. A Struct, on the other hand, must ...
Validating parameters to a Bash script
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10 Answers
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How do I verify that an Android apk is signed with a release certificate?
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edited Jan 27 '17 at 20:05
Eugene
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PHP best way to MD5 multi-dimensional array?
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13 Answers
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Can I stretch text using CSS?
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span.stretch {
display:inline-block;
-webkit-transform:scale(2,1); /* Safari and Chrome */
-moz-transform:scale(2,1); /* Firefox */
-ms-transform:scale(2,1); /* IE 9 */
-o-transform:scale(2,1); /* Opera */
transform:scale(2,1); /* W3C */
}
TIP: You may need to add margi...