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python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
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This answer is now obsolete. See @Ted Petrou's answer below.
– cxrodgers
Apr 27 '17 at 22:26
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Naming returned columns in Pandas aggregate function? [duplicate]
... is done with tidyverse's summarize in R), but a work-around in pandas for now is to create the new columns with desired names via assign before doing the aggregation:
data.assign(
f=data['column1'],
mean=data['column2'],
std=data['column2']
).groupby('Country').agg(dict(f=sum, mean=np....
How to parse a CSV file using PHP [duplicate]
... @Julix use the accepted answer . This shorter version is nice if you know the imported data will never have linebreaks within a single value, but otherwise the more robust solution is worth the extra lines of code.
– Jordan Lev
May 15 '17 at 3:57
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PostgreSQL disable more output
... to use the stream number you'd write
psql db -f sql.sql 1> /dev/null
Now if you want to suppress stderror (stream number 2), you'd use
psql db -f sql.sql 2> /dev/null
You could also redirect one stream to another, for example stderror to stdout, which is useful if you want to save all out...
How do I start my app on startup?
...;
context.startService(serviceIntent);
}
}
}
And now your service should be running when the phone starts up.
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Building executable jar with maven?
...le". Which distract me. So to solve this i added <pluginManagement>, now the eclipse error gone but my package stopped being build. Your above snippet of pom has worked for me. :)
– shashaDenovo
Jul 1 '15 at 18:33
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How do I pass command-line arguments to a WinForms application?
...many times after a whole year and it never occured to me wtf it was untill now ! haha
– Niklas
Jun 28 '16 at 18:31
1
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How can I show the name of branches in `git log`?
...oes not give me the colors of --decorate. I use yellow for all my refs for now, do you know how I can let --pretty's %d string inherit the colors of --decorate?
– Gauthier
Mar 18 '15 at 14:11
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npm - install dependencies for a package in a different folder?
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BTW, it creates empty etc folder in destination, it's a known bug github.com/npm/npm/pull/7249
– Mikhail Radionov
Oct 28 '15 at 9:03
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How can I add a third button to an Android Alert Dialog?
...rawable.icon);
builder.setMessage("test");
builder.setPositiveButton("Call Now",
new DialogInterface.OnClickListener()
{
public void onClick(DialogInterface dialog, int id)
{
dialog.cancel();
}
});
builder.setNeutralButton(...