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ValueError: math domain error

... 134 Your code is doing a log of a number that is less than or equal to zero. That's mathematically...
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What is the difference between join and merge in Pandas?

...: import pandas as pd left = pd.DataFrame({'key': ['foo', 'bar'], 'val': [1, 2]}).set_index('key') right = pd.DataFrame({'key': ['foo', 'bar'], 'val': [4, 5]}).set_index('key') left.join(right, lsuffix='_l', rsuffix='_r') val_l val_r key foo 1 4 bar 2 5 The ...
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Why are floating point numbers inaccurate?

...gnificand). A very simple number, say 9.2, is actually this fraction: 5179139571476070 * 2 -49 Where the exponent is -49 and the mantissa is 5179139571476070. The reason it is impossible to represent some decimal numbers this way is that both the exponent and the mantissa must be integers. In ...
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Insert a row to pandas dataframe

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Ignore outliers in ggplot2 boxplot

...size=0), but I want them to be ignored such that the y axis scales to show 1st/3rd percentile. My outliers are causing the "box" to shrink so small its practically a line. Are there some techniques to deal with this? ...
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How to remove trailing whitespaces with sed?

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Convert datetime to Unix timestamp and convert it back in python

I have dt = datetime(2013,9,1,11) , and I would like to get a Unix timestamp of this datetime object. 11 Answers ...
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How to set a Header field on POST a form?

... 61 It cannot be done - AFAIK. However you may use for example jquery (although you can do it with ...
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Angularjs if-then-else construction in expression

... 219 Angular expressions do not support the ternary operator before 1.1.5, but it can be emulated li...
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how to split the ng-repeat data with three columns using bootstrap

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