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Pandas selecting by label sometimes return Series, sometimes returns DataFrame
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If the objective is to get a subset of the data set using the index, it is best to avoid using loc or iloc. Instead you should use syntax similar to this :
df = pd.DataFrame(data=range(5), index=[1, 2, 3, 3, 3])
result = df[df.index == 3]
isinstance(resu...
How can I extract the folder path from file path in Python?
... answered Jun 12 '13 at 4:15
SethMMortonSethMMorton
32.4k1010 gold badges5353 silver badges7171 bronze badges
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Why does Popen.communicate() return b'hi\n' instead of 'hi'?
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What does the thread_local mean in C++11?
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Useful code which uses reduce()? [closed]
...ster for large lists. timeit.repeat('int("".join(map(str, digit_list)))', setup = 'digit_list = list(d%10 for d in xrange(1,1000))', number=1000) takes ~0.09 seconds while timeit.repeat('reduce(lambda a,d: 10*a+d, digit_list)', setup = 'digit_list = list(d%10 for d in xrange(1,1000))', number=1000)...
Listing only directories using ls in Bash?
...ers. To include them, either specify them explicitly like ls -d .*/ */, or set the dotglob option in Bash.
– Gergő
Jan 11 '15 at 15:15
1
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Obfuscated C Code Contest 2006. Please explain sykes2.c
...2 (a space) or character 33 (a !). The first table (">'txiZ^(~z?") is a set of 10 bitmaps describing the appearance of each character, and the second table (";;;====~$::199") selects the appropriate bit to display from the bitmap.
The second table
Let's start by examining the second table, int ...
Multiple arguments to function called by pthread_create()?
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AngularJS $location not changing the path
... (jQuery to be precise) and in this case even though calling functions and setting variable works Angular doesn't always recognize that there are changes thus it never digests.
$apply() is used to execute an expression in angular from outside of the angular framework. (For example from browser D...
Add new item count to icon on button - Android
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Make your badge a TextView, allowing you to set the numeric value to anything you like by calling setText(). Set the background of the TextView as an XML <shape> drawable, with which you can create a solid or gradient circle with a border. An XML drawable will ...