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How can I obtain the element-wise logical NOT of a pandas Series?
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274
To invert a boolean Series, use ~s:
In [7]: s = pd.Series([True, True, False, True])
In [8]: ~...
Knockout.js bound input value not updated when I use jquery .val('xyz')
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142
.val() does not trigger the change event. So, you can just do .val("blah").change() for KO to ...
onCreateOptionsMenu inside Fragments
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answered Mar 27 '13 at 7:54
Sino RajSino Raj
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How to get the last N rows of a pandas DataFrame?
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408
Don't forget DataFrame.tail! e.g. df1.tail(10)
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Should I Stop Stopwatch at the end of the method?
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4 Answers
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Query a parameter (postgresql.conf setting) like “max_connections”
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answered Nov 27 '11 at 20:42
Erwin BrandstetterErwin Brandstetter
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setup cron tab to specific time of during weekdays
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ThanksForAllTheFishThanksForAllTheFish
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add a c...
UINavigationController without navigation bar?
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194
You should be able to do the following:
self.navigationController.navigationBar.isHidden = true...
Converting an integer to a hexadecimal string in Ruby
... to_s a base other than 10:
10.to_s(16) #=> "a"
Note that in ruby 2.4 FixNum and BigNum were unified in the Integer class.
If you are using an older ruby check the documentation of FixNum#to_s and BigNum#to_s
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ggplot: How to increase spacing between faceted plots?
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174
Use the theme function:
library(grid)
p + theme(panel.spacing = unit(2, "lines"))
See also h...