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Modifying a subset of rows in a pandas dataframe
Assume I have a pandas DataFrame with two columns, A and B. I'd like to modify this DataFrame (or create a copy) so that B is always NaN whenever A is 0. How would I achieve that?
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How to assign colors to categorical variables in ggplot2 that have stable mapping?
...er.pal(5,"Set1")
names(myColors) <- levels(dat$grp)
colScale <- scale_colour_manual(name = "grp",values = myColors)
and then add the color scale onto the plot as needed:
#One plot with all the data
p <- ggplot(dat,aes(x,y,colour = grp)) + geom_point()
p1 <- p + colScale
#A second plo...
How to pause / sleep thread or process in Android?
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answered Mar 26 '12 at 20:32
Byt3Byt3
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Show all Elasticsearch aggregation results/buckets and not just 10
...d from 5.x
– keety
Apr 21 '17 at 15:32
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best practice to generate random token for forgot password
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@gordie Set the length to 32, each byte is 2 hex characters
– JohnHoulderUK
Jun 21 '16 at 10:05
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Cross-thread operation not valid: Control accessed from a thread other than the thread it was create
I have a scenario. (Windows Forms, C#, .NET)
22 Answers
22
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Press alt + numeric in bash and you get (arg [numeric]) what is that?
Press alt + numeric in bash and you get (arg [numeric]) what is that?
7 Answers
7
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How to show full object in Chrome console?
this only show the function part of the functor, cannot show the properties of the functor in console.
9 Answers
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PHP Get name of current directory
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getcwd();
or
dirname(__FILE__);
or (PHP5)
basename(__DIR__)
http://php.net/manual/en/function.getcwd.php
http://php.net/manual/en/function.dirname.php
You can use basename() to get the trailing part of the path :)
In your case, I'd say y...
How to view files in binary from bash?
...t
– Gabriel Staples
Jan 31 '19 at 0:32
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