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How to map and remove nil values in Ruby
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8 Answers
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Python pandas Filtering out nan from a data selection of a column of strings
...re at least two non-NaN.
Then you could then drop where name is NaN:
In [87]:
nms
Out[87]:
movie name rating
0 thg John 3
1 thg NaN 4
3 mol Graham NaN
4 lob NaN NaN
5 lob NaN NaN
[5 rows x 3 columns]
In [89]:
nms = nms.dropna(thresh=2)
In ...
Is calculating an MD5 hash less CPU intensive than SHA family functions?
...g an MD5 hash less CPU intensive than SHA-1 or SHA-2 on "standard" laptop x86 hardware? I'm interested in general information, not specific to a certain chip.
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Why when a constructor is annotated with @JsonCreator, its arguments must be annotated with @JsonPro
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How can I generate random alphanumeric strings?
How can I generate a random 8 character alphanumeric string in C#?
33 Answers
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How to join absolute and relative urls?
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218
You should use urlparse.urljoin :
>>> import urlparse
>>> urlparse.urljoin(u...
Can I change the name of `nohup.out`?
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answered Dec 28 '10 at 21:06
ismailismail
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How SignalR works internally?
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edited Jan 8 '13 at 12:29
splattne
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How do I create a round cornered UILabel on the iPhone?
... means you can get rounded corners in one line:
view.layer.cornerRadius = 8;
You will need to #import <QuartzCore/QuartzCore.h> and link to the QuartzCore framework to get access to CALayer's headers and properties.
Before iOS 3.0
One way to do it, which I used recently, is to create a UI...
Is it necessary to explicitly remove event handlers in C#
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184
In your case, everything is fine. It's the object which publishes the events which keeps the ta...