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Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL
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You can cast your timestamp to a date by suffixing it with ::date. Here, in psql, is a timest...
What's the need of array with zero elements?
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edited Mar 27 '14 at 17:48
answered Feb 1 '13 at 9:49
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Reading specific lines only
...k Singhal
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Converting from a string to boolean in Python?
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Really, you just compare the string to whatever you expect to accept as representing true, so yo...
How to get the command line args passed to a running process on unix/linux systems?
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edited May 21 '19 at 14:49
jpaugh
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answered M...
Using printf with a non-null terminated string
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answered Sep 22 '10 at 7:54
DarkDustDarkDust
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Combine two columns of text in pandas dataframe
I have a 20 x 4000 dataframe in Python using pandas. Two of these columns are named Year and quarter . I'd like to create a variable called period that makes Year = 2000 and quarter= q2 into 2000q2 .
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pull out p-values and r-squared from a linear regression
...value for coefficients can be extracted using:
summary(fit)$coefficients[,4]
Alternatively, you can grab the p-value of coefficients from the anova(fit) object in a similar fashion to the summary object above.
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Is a one column table good design? [closed]
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answered Jun 4 '09 at 17:22
Erik FunkenbuschErik Funkenbusch
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ArrayIndexOutOfBoundsException with custom Android Adapter for multiple views in ListView
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