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python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
...k in your case you don't really need a groupby. I would sort by descending order your B column, then drop duplicates at column A and if you want you can also have a new nice and
clean index like that:
df.sort_values('B', ascending=False).drop_duplicates('A').sort_index().reset_index(drop=True)
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Chain-calling parent initialisers in python [duplicate]
... @kracekumar It will be determined by the class' Method Resolution Order (MRO), which you can find out by calling MyClassName.mro(). I may be incorrect, but I believe that the first specified parent is the one whose __init__ will be called.
– Cam Jackson
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How do I convert an NSString value to NSData?
...There are two problems: One, UTF-16 and UTF-32 need to have the right byte-ordering. Two, whoever converts it back to an NSString* must know the encoding, and often will assume UTF-8 encoding. Generally, UTF-8 is most likely to be handled correctly.
– gnasher729
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The identity used to sign the executable is no longer valid
...cert
Answer the prompted questions to sect your user, password, team, app, etc.
Open a terminal and type sigh
Answer the prompted questions to sect your user, password, team, app, etc.
Select the right profile in Code Signing Identity (iPhone Developer)
Conventional way:
Just go to the new provi...
How can I see the size of files and directories in linux? [closed]
... @FranciscoCorralesMorales ls -lh will show you the size in kb MB GB etc.
– mk..
Aug 5 '15 at 3:25
4
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How to loop through an associative array and get the key? [duplicate]
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@TrevorJohns, Is the order guaranteed?
– Pacerier
Apr 3 '15 at 18:39
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HTML: How to create a DIV with only vertical scroll-bars for long paragraphs?
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For any case set overflow-x to hidden and I prefer to set max-height in order to limit the expansion of the height of the div. Your code should looks like this:
overflow-y: scroll;
overflow-x: hidden;
max-height: 450px;
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How do I link to Google Maps with a particular longitude and latitude?
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Is there a way to specify the map type (hybrid, road, etc)?
– Redtopia
Nov 30 '14 at 6:27
thanks....
Get content of a cell given the row and column numbers
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Convert char to int in C#
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No it doesn't, as long as the digits are in order (which compilers require of the charset) it will work, no matter what value they start on.
– Jeremy Ruten
Oct 27 '08 at 14:29
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