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How to check if a specific key is present in a hash or not?
...the Tin Man
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answered Mar 13 '15 at 11:20
installeroinstallero
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JavaScript and Threads
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answered Aug 27 '08 at 14:02
Sam HaslerSam Hasler
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How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
... 20, 50, 79])
>>> numpy.polyfit(x, numpy.log(y), 1)
array([ 0.10502711, -0.40116352])
# y ≈ exp(-0.401) * exp(0.105 * x) = 0.670 * exp(0.105 * x)
# (^ biased towards small values)
>>> numpy.polyfit(x, numpy.log(y), 1, w=numpy.sqrt(y))
array([ 0.06009446, 1.41648096])
# y ...
List comprehension in Ruby
...ting to see reduce in this benchmark as well (see stackoverflow.com/a/17703276).
– Adam Lindberg
Feb 20 '15 at 19:20
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Store boolean value in SQLite
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edited Mar 27 '13 at 2:39
mjama
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Can I install Python windows packages into virtualenvs?
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Tritium21Tritium21
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How to report an error from a SQL Server user-defined function
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You can use CAST to throw meaningful error:
create function dbo.throwError()
returns nvarchar(...
UICollectionView inside a UITableViewCell — dynamic height?
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edited Oct 27 '15 at 9:44
answered Oct 27 '15 at 9:26
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Reorder levels of a factor without changing order of values
... include version number.
– smci
Jun 27 '18 at 1:40
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Convert JS date time to MySQL datetime
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answered Feb 27 '11 at 14:44
kojirokojiro
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