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What is the difference between NaN and None?
... reason to use NaN (over None) is that it can be stored with numpy's float64 dtype, rather than the less efficient object dtype, see NA type promotions.
# without forcing dtype it changes None to NaN!
s_bad = pd.Series([1, None], dtype=object)
s_good = pd.Series([1, np.nan])
In [13]: s_bad.dtype
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How to remove a field from params[:something]
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214
Rails 4/5 - edited answer
(see comments)
Since this question was written newer versions of Rail...
Consequences of using graft in Mercurial
...information about the graft operation to help it with the merge?
A3: No.
Q4: What are the potential problems with a flow like this?
A4: From a merge perspective it should work okay. It will duplicate some history which might be confusing for people.
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Is it possible to reopen a closed branch in Mercurial?
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4 Answers
4
Active
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How do I get AWS_ACCESS_KEY_ID for Amazon?
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New Alexandria
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answered Jan 29 '14 at 21:46
Amit TalmorAmit Talmo...
No startswith,endswith functions in Go?
... |
edited Nov 6 '12 at 4:05
answered Nov 6 '12 at 3:49
K...
How can I detect whether an iframe is loaded?
...rc:'https://heera.it',
style:'display:none;width:320px;height:400px',
load:function(){
$(this).show();
alert('iframe loaded !');
}
});
$('body').append(ifr);
});
});
<script src="https://ajax.goo...
Disable Browser Link - which toolbar
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Jim W says reinstate Monica
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answered Apr 17 '14 at 18:36
ToastyMallowsToas...
Iterating a JavaScript object's properties using jQuery
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4 Answers
4
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Are parallel calls to send/recv on the same socket valid?
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94
POSIX defines send/recv as atomic operations, so assuming you're talking about POSIX send/recv t...