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Flatten an irregular list of lists
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390
Using generator functions can make your example a little easier to read and probably boost the...
What is the preferred/idiomatic way to insert into a map?
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edited Nov 26 '10 at 18:37
user229044♦
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libxml install error using pip
... be enough to install the known build dependencies of python-lxml or python3-lxml, e.g.
sudo apt-get build-dep python3-lxml
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How do you round a float to two decimal places in jruby
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edited May 23 '17 at 12:18
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answered May 5 '12 at 16:06
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How to configure Sublime Text 2/3 to use direct Ctrl+Tab order and to create new tabs after the last
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Convert two lists into a dictionary
...ke this:
>>> keys = ['a', 'b', 'c']
>>> values = [1, 2, 3]
>>> dictionary = dict(zip(keys, values))
>>> print(dictionary)
{'a': 1, 'b': 2, 'c': 3}
Voila :-) The pairwise dict constructor and zip function are awesomely useful: https://docs.python.org/3/library/...
pandas read_csv and filter columns with usecols
...mport StringIO
csv = r"""dummy,date,loc,x
bar,20090101,a,1
bar,20090102,a,3
bar,20090103,a,5
bar,20090101,b,1
bar,20090102,b,3
bar,20090103,b,5"""
df = pd.read_csv(StringIO(csv),
header=0,
index_col=["date", "loc"],
usecols=["date", "loc", "x"],
parse_dates=["date"...
Rounding a double to turn it into an int (java)
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edited May 25 '13 at 22:59
Drupad Panchal
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Reading an Excel file in python using pandas
...dummydata.xlsx")
>>> xl.sheet_names
[u'Sheet1', u'Sheet2', u'Sheet3']
>>> df = xl.parse("Sheet1")
>>> df.head()
Tid dummy1 dummy2 dummy3 dummy4 dummy5 \
0 2006-09-01 00:00:00 0 5.894611 0.605211 3.842871 8.265307
1 2006-09-01 01...