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how do you filter pandas dataframes by multiple columns

...b-statements with (): males = df[(df[Gender]=='Male') & (df[Year]==2014)] To store your dataframes in a dict using a for loop: from collections import defaultdict dic={} for g in ['male', 'female']: dic[g]=defaultdict(dict) for y in [2013, 2014]: dic[g][y]=df[(df[Gender]==g) & (d...
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Disable building workspace process in Eclipse

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What's the meaning of * (asterisk) in XAML ColumnDefinition?

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Calling a class function inside of __init__

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What's the difference between integer class and numeric class in R

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Reload django object from database

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Declare variable in table valued function

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How do I find out which settings.xml file maven is using

... Use the Maven debug option, ie mvn -X : Apache Maven 3.0.3 (r1075438; 2011-02-28 18:31:09+0100) Maven home: /usr/java/apache-maven-3.0.3 Java version: 1.6.0_12, vendor: Sun Microsystems Inc. Java home: /usr/java/jdk1.6.0_12/jre Default locale: en_US, platform encoding: UTF-8 OS name: "linu...
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How do you implement a private setter when using an interface?

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How to access accelerometer/gyroscope data from Javascript?

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