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How do I strip non alphanumeric characters from a string and keep spaces?
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answered May 23 '11 at 23:37
jwuellerjwueller
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Webrick as production server vs. Thin or Unicorn?
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42
A couple important reasons
it's written in Ruby (see http://github.com/ruby/ruby/tree/trunk/li...
Creating JS object with Object.create(null)?
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200
They are not equivalent. {}.constructor.prototype == Object.prototype while Object.create(null...
What does .SD stand for in data.table in R
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206
.SD stands for something like "Subset of Data.table". There's no significance to the initial "...
Why does “_” (underscore) match “-” (hyphen)?
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2 Answers
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What is the difference between `git fetch origin` and `git remote update origin`?
...te didn't actually use the same codepath until v1.6.6.1 (released December 23 2009). Even before that, though, they did essentially the same thing, just using different code (possibly behaving slightly differently in corner cases, but I can't think of any off the top of my head).
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Python memory usage of numpy arrays
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246
You can use array.nbytes for numpy arrays, for example:
>>> import numpy as np
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Dictionaries and default values
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323
Like this:
host = connectionDetails.get('host', someDefaultValue)
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