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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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Ruby Hash to array of values

... answered Mar 5 '12 at 0:48 Ray ToalRay Toal 76.4k1212 gold badges143143 silver badges204204 bronze badges ...
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How do I view the list of functions a Linux shared library is exporting?

... What you need is nm and its -D option: $ nm -D /usr/lib/libopenal.so.1 . . . 00012ea0 T alcSetThreadContext 000140f0 T alcSuspendContext U atanf U calloc . . . Exported sumbols are indicated by a T. Required symbols that must be loaded from other shared objects have a U. No...
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if, elif, else statement issues in Bash

... | edited Aug 7 '19 at 5:48 U. Windl 1,6331010 silver badges2929 bronze badges answered Apr 16 ...
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Precedence and bitmask operations

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scipy.misc module has no attribute imread?

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C++ new int[0] — will it allocate memory?

...ion function is called to allocate an array with no elements. From 3.7.3.1/2 The effect of dereferencing a pointer returned as a request for zero size is undefined. Also Even if the size of the space requested [by new] is zero, the request can fail. That means you can do it, but you ca...
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overlay two images in android to set an imageview

...mage, or you can configure a LayerDrawable dynamically in code. Solution #1 (via XML): Create a new Drawable XML file, let's call it layer.xml: <layer-list xmlns:android="http://schemas.android.com/apk/res/android"> <item android:drawable="@drawable/t" /> <item android:draw...
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How to check if an intent can be handled from some activity?

... 150 edwardxu's solution works perfectly for me. Just to clarify a bit: PackageManager packageMan...
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What is the most efficient way to create a dictionary of two pandas Dataframe columns?

... 196 In [9]: pd.Series(df.Letter.values,index=df.Position).to_dict() Out[9]: {1: 'a', 2: 'b', 3: 'c...