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Android 'Unable to add window — token null is not for an application' exception
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edited Jun 18 '15 at 11:27
answered Dec 25 '14 at 8:01
co...
Using CSS how to change only the 2nd column of a table
...ichiMarco Panichi
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IntelliJ and Tomcat…changed files are not automatically recognized by Tomcat
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Init method in Spring Controller (annotation version)
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How do you work with an array of jQuery Deferreds?
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How to put an image in div with CSS?
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iOS: Compare two dates
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lukas
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answered May 24 '11 at 14:33
Himadri ChoudhuryHimadri Choudhury
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Python how to write to a binary file?
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Raymond MlamboRaymond Mlambo
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How to move columns in a MySQL table?
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How to convert index of a pandas dataframe into a column?
... val
tick tag obs
2016-02-26 C 2 0.0139
2016-02-27 A 2 0.5577
2016-02-28 C 6 0.0303
and you want to convert the 1st (tick) and 3rd (obs) levels in the index into columns, you would do:
>>> df.reset_index(level=['tick', 'obs'])
tick obs ...