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“Insert if not exists” statement in SQLite
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147
If you have a table called memos that has two columns id and text you should be able to do lik...
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([...
“Comparison method violates its general contract!”
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11 Answers
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How do I tell Matplotlib to create a second (new) plot, then later plot on the old one?
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155
If you find yourself doing things like this regularly it may be worth investigating the object...
Is there a numpy builtin to reject outliers from a list
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10 Answers
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Email Address Validation in Android on EditText [duplicate]
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edited Feb 21 at 13:14
milosmns
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an...
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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Uncaught TypeError: Cannot read property 'msie' of undefined - jQuery tools
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12 Answers
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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...