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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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is guava-libraries available in maven repo?

...e latest available version, you may look here Version updated on 19th Oct 2017. share | improve this answer | follow | ...
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Enabling WiFi on Android Emulator

... | edited Oct 20 '19 at 16:33 Tilo 34633 silver badges1010 bronze badges answered Oct 28 '11...
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When should null values of Boolean be used?

... – Christopher Peisert Jun 25 '12 at 8:20 10 ...
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How do I concatenate or merge arrays in Swift?

...ppendContentsOf(b))? – Ephemera Sep 20 '15 at 7:34 1 @OwenGodfrey thanks. i have lil confusion ov...
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What is a classpath and how do I set it?

... Java - Path vs ClassPath – KNU Nov 20 '14 at 8:50 In python there's a folder called Lib where you can store any modul...
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How to change max_allowed_packet size

... Danny Beckett 17.3k2020 gold badges9696 silver badges126126 bronze badges answered Nov 9 '11 at 9:41 TehShrikeTehShrike ...
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Change bootstrap navbar collapse breakpoint without using LESS

...otstrap classes must be overridden in the custom media query: bootply.com/120604 – Zim Feb 6 '15 at 10:29 2 ...
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How do I manipulate a variable whose name conflicts with PDB commands?

...5 Nick T 20.5k88 gold badges6969 silver badges107107 bronze badges answered Nov 9 '14 at 12:28 AbrahamAbraham ...
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When to use Windows Workflow Foundation? [closed]

...g-running process? – ivorykoder Apr 20 '13 at 3:25 5 @ivorykoder "processes" (really workflows) t...