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Why were pandas merges in python faster than data.table merges in R in 2012?
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120
It looks like Wes may have discovered a known issue in data.table when the number of unique stri...
Is it possible to display inline images from html in an Android TextView?
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Drawable d = getResources().getDrawable(id);
d.setBounds(0,0,d.getIntrinsicWidth(),d.getIntrinsicHeight());
return d;
}
};
You'd probably want to figure out something smarter for mapping source strings to resource IDs though.
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How do I find numeric columns in Pandas?
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150
You could use select_dtypes method of DataFrame. It includes two parameters include and exclude....
How to combine multiple conditions to subset a data-frame using “OR”?
... it is to be handled as I intended, since ...
> NA & 1
[1] NA
> 0 & NA
[1] FALSE
Order of arguments may matter when using '&".
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Automatically plot different colored lines
...f colors. For example:
cc=hsv(12);
figure;
hold on;
for i=1:12
plot([0 1],[0 i],'color',cc(i,:));
end
MATLAB has 13 different named colormaps ('doc colormap' lists them all).
Another option for plotting lines in different colors is to use the LineStyleOrder property; see Defining the Color...
How to round the minute of a datetime object
...his will get the 'floor' of a datetime object stored in tm rounded to the 10 minute mark before tm.
tm = tm - datetime.timedelta(minutes=tm.minute % 10,
seconds=tm.second,
microseconds=tm.microsecond)
If you want classic rounding to the ne...
Set a persistent environment variable from cmd.exe
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answered May 5 '11 at 13:09
Vik DavidVik David
3,00633 gold badges1919 silver badges2626 bronze badges
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How to “EXPIRE” the “HSET” child key in redis?
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edited Oct 3 '18 at 9:10
Erik Rothoff
3,88644 gold badges3838 silver badges5454 bronze badges
answere...
Bash tool to get nth line from a file
...re NUM is the number of the line you want to print; so, for example, sed '10q;d' file to print the 10th line of file.
Explanation:
NUMq will quit immediately when the line number is NUM.
d will delete the line instead of printing it; this is inhibited on the last line because the q causes the res...
Citing the author of a blockquote using Markdown syntax
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answered Jan 4 '10 at 20:51
ceejayozceejayoz
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