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Find row where values for column is maximal in a pandas DataFrame
...394940 1.068890
2 0.742023 1.343977 -0.579745
3 2.125299 -0.649328 -0.211692
4 -0.187253 1.908618 -1.862934
>>> df['A'].argmax()
3
>>> df['B'].argmax()
4
>>> df['C'].argmax()
1
Alternatively you could also use numpy.argmax, such as numpy.argmax(df['A']) -- it provi...
How do you declare an interface in C++?
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answered Nov 25 '08 at 17:11
Mark RansomMark Ransom
260k3737 ...
Printing 1 to 1000 without loop or conditionals
...s? pretty impressive.
– gath
Jan 3 '11 at 5:18
28
@Zack: Let's get real, we're printing 1,000 lin...
Why aren't ◎ܫ◎ and ☺ valid JavaScript variable names?
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answered Sep 17 '11 at 0:15
Michael MadsenMichael Madsen
50.4k66 gold badges6666 silver badges8080 bronze badges
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What is the purpose of std::make_pair vs the constructor of std::pair?
... I think you can do one = {10, 20} nowadays but I don't have a C++11 compiler handy to check it.
– MSalters
Feb 14 '12 at 8:11
6
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Only read selected columns
... May Jun
1 2009 -41 -27 -25 -31 -31 -39
2 2010 -41 -27 -25 -31 -31 -39
3 2011 -21 -27 -2 -6 -10 -32
Change "integer" to one of the accepted types as detailed in ?read.table depending on the real type of data.
data.txt looks like this:
$ cat data.txt
"Year" "Jan" "Feb" "Mar" "Apr" "May" "Jun" ...
How to Right-align flex item?
... breaks the design.
– Agamemnus
May 11 '17 at 0:03
29
Note that this doesn't always work the way ...
NSUserDefaults not cleared after app uninstall on simulator
...OS 8 (12A365)!
– Boris Brdarić
Sep 11 '14 at 12:40
1
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How to profile a bash shell script slow startup?
...you'd like to begin a trace in any Bash script):
PS4='+ $(date "+%s.%N")\011 '
exec 3>&2 2>/tmp/bashstart.$$.log
set -x
add
set +x
exec 2>&3 3>&-
at the end of ~/.bashrc (or at the end of the section of any Bash script you'd like tracing to stop). The \011 is an octal t...
What are all the common undefined behaviours that a C++ programmer should know about? [closed]
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