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Stop pip from failing on single package when installing with requirements.txt
...ine with pip install may be a workaround.
cat requirements.txt | xargs -n 1 pip install
Note: -a parameter is not available under MacOS, so old cat is more portable.
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Why do people say there is modulo bias when using a random number generator?
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Converting strings to floats in a DataFrame
...or pd.to_numeric as described in other
answers.
This is available in 0.11. Forces conversion (or set's to nan)
This will work even when astype will fail; its also series by series
so it won't convert say a complete string column
In [10]: df = DataFrame(dict(A = Series(['1.0','1']), B = Series([...
Email Address Validation in Android on EditText [duplicate]
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edited Feb 21 at 13:14
milosmns
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What is the javascript filename naming convention? [closed]
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190
One possible naming convention is to use something similar to the naming scheme jQuery uses. I...
Get second child using jQuery
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grab the second child:
$(t).children().eq(1);
or, grab the second child <td>:
$(t).children('td').eq(1);
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Reshaping data.frame from wide to long format
... idvar = c("Code", "Country"),
timevar = "Year",
times = 1950:1954)
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TortoiseSVN icons not showing up under Windows 7
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How to update Ruby to 1.9.x on Mac?
... on my mac and I am trying to update to the current version of ruby on it (1.9.2) from the snow leopard default of 1.8.7. Can somebody point me to tutorial or explain the best method to update Ruby on my mac from 1.8 to 1.9.2? Thanks
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Factors in R: more than an annoyance?
... same. However, you end up with warnings in your code:
lm(Petal.Length ~ -1 + Species, data=iris)
# Call:
# lm(formula = Petal.Length ~ -1 + Species, data = iris)
# Coefficients:
# Speciessetosa Speciesversicolor Speciesvirginica
# 1.462 4.260 5.552 ...