User unutbu - Stack Overflow

6516 votes

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How do I select rows from a DataFrame based on column values?

answered Jun 12, 2013 at 17:44

3930 votes

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What is the difference between @staticmethod and @classmethod in Python?

answered Nov 3, 2009 at 19:13

1980 votes

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How do I iterate through two lists in parallel?

answered Nov 2, 2009 at 21:28

1637 votes

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Why dict.get(key) instead of dict[key]?

answered Jun 14, 2012 at 21:12

1052 votes

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How do I create a new column where the values are selected based on an existing column?

answered Nov 11, 2013 at 19:03

945 votes

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Set value for particular cell in pandas DataFrame using index

answered Dec 12, 2012 at 14:51

922 votes

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Changing the tick frequency on the x or y axis

answered Sep 26, 2012 at 19:24

876 votes

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How to make a datetime object aware (not naive)

answered Aug 15, 2011 at 13:03

844 votes

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Converting Python dict to kwargs?

answered Apr 19, 2011 at 0:48

831 votes

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Pandas: Get first row value of a given column

answered Aug 11, 2014 at 23:39

799 votes

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Python Pandas: Get index of rows where column matches certain value

answered Feb 15, 2014 at 16:28

774 votes

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Pretty-print a NumPy array without scientific notation and with given precision

answered May 23, 2010 at 12:59

753 votes

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How do I get cURL to not show the progress bar?

answered Sep 10, 2011 at 19:04

736 votes

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Find nearest value in numpy array

answered Apr 2, 2010 at 12:01

715 votes

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Select DataFrame rows between two dates

answered Mar 31, 2015 at 13:49

648 votes

How to count the frequency of the elements in an unordered list?

answered Jan 29, 2010 at 13:02

604 votes

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Is there a list of Pytz Timezones?

answered Dec 13, 2012 at 19:49

572 votes

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Safe method to get value of nested dictionary

answered Sep 14, 2014 at 13:17

560 votes

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multiprocessing.Pool: When to use apply, apply_async or map?

answered Dec 16, 2011 at 11:36

530 votes

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Python argparse ignore unrecognised arguments

answered Oct 10, 2012 at 11:28

507 votes

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Display image as grayscale

answered Sep 29, 2010 at 16:40

496 votes

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How to find all the subclasses of a class given its name?

answered Oct 5, 2010 at 10:53

481 votes

What are the differences between numpy arrays and matrices? Which one should I use?

answered Nov 11, 2010 at 3:59

474 votes

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How can I convert an RGB image into grayscale in Python?

answered Aug 30, 2012 at 16:48

474 votes

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How to set a single, main title above all the subplots

answered Aug 15, 2011 at 14:42

469 votes

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How to find the installed pandas version

answered Dec 16, 2013 at 13:57

459 votes

How do I read a large csv file with pandas?

answered Sep 21, 2014 at 17:54

458 votes

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How to display pandas DataFrame of floats using a format string for columns?

answered Jan 5, 2014 at 18:44

447 votes

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Python argparse: default value or specified value

answered Mar 8, 2013 at 18:52

433 votes

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Python multiprocessing PicklingError: Can't pickle <type 'function'>

answered Jan 10, 2012 at 14:54

Collectives™ on Stack Overflow

7,504 Answers

How do I select rows from a DataFrame based on column values?

What is the difference between @staticmethod and @classmethod in Python?

How do I iterate through two lists in parallel?

Why dict.get(key) instead of dict[key]?

How do I create a new column where the values are selected based on an existing column?

Set value for particular cell in pandas DataFrame using index

Changing the tick frequency on the x or y axis

How to make a datetime object aware (not naive)

Converting Python dict to kwargs?

Pandas: Get first row value of a given column

Python Pandas: Get index of rows where column matches certain value

Pretty-print a NumPy array without scientific notation and with given precision

How do I get cURL to not show the progress bar?

Find nearest value in numpy array

Select DataFrame rows between two dates

How to count the frequency of the elements in an unordered list?

Is there a list of Pytz Timezones?

Safe method to get value of nested dictionary

multiprocessing.Pool: When to use apply, apply_async or map?

Python argparse ignore unrecognised arguments

Display image as grayscale

How to find all the subclasses of a class given its name?

What are the differences between numpy arrays and matrices? Which one should I use?

How can I convert an RGB image into grayscale in Python?

How to set a single, main title above all the subplots

How to find the installed pandas version

How do I read a large csv file with pandas?

How to display pandas DataFrame of floats using a format string for columns?

Python argparse: default value or specified value

Python multiprocessing PicklingError: Can't pickle <type 'function'>