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Append column to pandas dataframe

...t; dat2 = pd.DataFrame({'dat2': [7,6]}) > dat1.join(dat2) dat1 dat2 0 9 7 1 5 6 share | improve this answer | follow | ...
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Replace only some groups with Regex

... answered May 15 '11 at 0:13 bluepnumebluepnume 13.1k88 gold badges3232 silver badges4444 bronze badges ...
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PHP cURL vs file_get_contents

... answered Jun 16 '12 at 16:00 XeoncrossXeoncross 49k7070 gold badges234234 silver badges340340 bronze badges ...
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Make Div overlay ENTIRE page (not just viewport)?

...nd why this is so hard to do... I've tried setting body, html heights to 100% etc but that isn't working. Here is what I have so far: ...
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binning data in python with scipy/numpy

... easier to use numpy.digitize(): import numpy data = numpy.random.random(100) bins = numpy.linspace(0, 1, 10) digitized = numpy.digitize(data, bins) bin_means = [data[digitized == i].mean() for i in range(1, len(bins))] An alternative to this is to use numpy.histogram(): bin_means = (numpy.histo...
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How to remove an element slowly with jQuery?

... answered Nov 27 '09 at 7:09 GregGreg 7,18077 gold badges3939 silver badges6464 bronze badges ...
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How to specify Composer install path?

... 140 It seems that you can define the vendor dir to be something else (plugins in your case): { ...
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Python: fastest way to create a list of n lists

... 105 The probably only way which is marginally faster than d = [[] for x in xrange(n)] is from ...
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Change one value based on another value in pandas

... for you. import pandas df = pandas.read_csv("test.csv") df.loc[df.ID == 103, 'FirstName'] = "Matt" df.loc[df.ID == 103, 'LastName'] = "Jones" As mentioned in the comments, you can also do the assignment to both columns in one shot: df.loc[df.ID == 103, ['FirstName', 'LastName']] = 'Matt', 'Jone...
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Why check both isset() and !empty()

... 10 Answers 10 Active ...