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Combine two columns of text in pandas dataframe

I have a 20 x 4000 dataframe in Python using pandas. Two of these columns are named Year and quarter . I'd like to create a variable called period that makes Year = 2000 and quarter= q2 into 2000q2 . ...
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Flask-SQLalchemy update a row's information

... 213 Retrieve an object using the tutorial shown in the Flask-SQLAlchemy documentation. Once you ha...
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.NET obfuscation tools/strategy [closed]

.... Add lambda expressions, compiler 'magic' like Linq-syntax and var, and C#2 functions like yield (which results in new classes with unreadable names). Your decompiled code ends up a long long way from compilable. A professional team with lots of time could still reverse engineer it back again, bu...
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Change Author template in Android Studio

... answered Jan 16 '14 at 12:17 AZ13AZ13 13.5k55 gold badges3131 silver badges3030 bronze badges ...
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Casting vs using the 'as' keyword in the CLR

... 526 The answer below the line was written in 2008. C# 7 introduced pattern matching, which has lar...
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How can I set the focus (and display the keyboard) on my EditText programmatically

... answered Jan 24 '12 at 17:48 David MerrimanDavid Merriman 5,32311 gold badge1515 silver badges1717 bronze badges ...
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“The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine” Error in importing

I have a 64 bit windows 7 and SQLServer 2008 R2 (64 bit) 6 Answers 6 ...
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How do I pass parameters to a jar file at the time of execution?

... answered Jan 19 '09 at 6:27 RejiReji 2,89822 gold badges1818 silver badges2323 bronze badges ...
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How do you check if a variable is an array in JavaScript? [duplicate]

... 23 Answers 23 Active ...
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Getting a map() to return a list in Python 3.x

... trying to map a list into hex, and then use the list elsewhere. In python 2.6, this was easy: 9 Answers ...