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how do you filter pandas dataframes by multiple columns

... 176 Using & operator, don't forget to wrap the sub-statements with (): males = df[(df[Gender]...
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How to add text to request body in RestSharp

... 217 Here is how to add plain xml string to the request body: req.AddParameter("text/xml", body, Pa...
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How often does python flush to a file?

I'm unsure about (1). 5 Answers 5 ...
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Add missing dates to pandas dataframe

...u could use Series.reindex: import pandas as pd idx = pd.date_range('09-01-2013', '09-30-2013') s = pd.Series({'09-02-2013': 2, '09-03-2013': 10, '09-06-2013': 5, '09-07-2013': 1}) s.index = pd.DatetimeIndex(s.index) s = s.reindex(idx, fill_value=0) p...
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Where should Rails 3 custom validators be stored?

... 221 If you place your custom validators in app/validators they will be automatically loaded without ...
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How to find a min/max with Ruby

I want to use min(5,10) , or Math.max(4,7) . Are there functions to this effect in Ruby? 6 Answers ...
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What does a double * (splat) operator do

... 381 Ruby 2.0 introduced keyword arguments, and ** acts like *, but for keyword arguments. It returns...
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UITableView, Separator color where to set?

... | edited Oct 18 '18 at 5:41 Sunil Targe 6,39755 gold badges3939 silver badges7070 bronze badges ...
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Convert a matrix to a 1 dimensional array

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How to output a comma delimited list in jinja python template?

... 321 You want your if check to be: {% if not loop.last %} , {% endif %} Note that you can also s...