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Remove last item from array
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Use splice(startPosition, deleteCount)
array.splice(-1,1)
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Does ruby have real multithreading?
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612
Updated with Jörg's Sept 2011 comment
You seem to be confusing two very different things here...
From inside of a Docker container, how do I connect to the localhost of the machine?
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2189
Edit: If you are using Docker-for-mac or Docker-for-Windows 18.03+, just connect to your mysql...
What to use as an initial version? [closed]
I usually start my projects with a version 1.0.0. As soon as I have some stuff together, I release it as 1.0.0 and move on with 1.1.0.
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How to create the most compact mapping n → isprime(n) up to a limit N?
...at produces a data structure with lowest memory consumption for the range (1, N], where N is a constant.
Just an example of what I am looking for: I could represent every odd number with one bit e.g. for the given range of numbers (1, 10], starts at 3: 1110
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Fastest way to check if a string matches a regexp in ruby?
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104
Starting with Ruby 2.4.0, you may use RegExp#match?:
pattern.match?(string)
Regexp#match? i...
Image Greyscale with CSS & re-color on mouse-over?
... 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale"); /* Firefox 3.5+ */
filter: gray; /* IE6-9 */
-webkit-filter: grayscale(100%); /* Chrome 19+ & Safari 6+ */
}
img.grayscale:hover {
filter: none;
-webkit-filter: ...
Run an OLS regression with Pandas Data Frame
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154
I think you can almost do exactly what you thought would be ideal, using the statsmodels packa...
Applying a function to every row of a table using dplyr?
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edited Aug 6 '19 at 3:20
answered Jul 14 '14 at 0:20
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deleting rows in numpy array
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157
The simplest way to delete rows and columns from arrays is the numpy.delete method.
Suppose I...