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How to count the number of set bits in a 32-bit integer?
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How to implement a queue using two stacks?
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pandas DataFrame: replace nan values with average of columns
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283
You can simply use DataFrame.fillna to fill the nan's directly:
In [27]: df
Out[27]:
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Autocompletion in Vim
... a plugin like AutoComplPop to get automatic code completion as you type.
2015 Edit: I personally use YouCompleteMe now.
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How to split a sequence into two pieces by predicate?
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By using partition method:
scala> List(1,2,3,4).partition(x => x % 2 == 0)
res0: (List[Int], List[Int]) = (List(2, 4),List(1, 3))
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How to read data From *.CSV file using javascript?
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NOTE: I concocted this solution before I was reminded about all the "special cases" that can oc...
Calculating distance between two points, using latitude longitude?
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The Java code given by Dommer above gives slightly incorrect results but the small errors add ...
Mapping a function on the values of a map in Clojure
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answered Nov 5 '09 at 2:16
Brian CarperBrian Carper
64.9k2525 gold badges154154 silver badges164164 bronze badges
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How to find my Subversion server version number?
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To find the version of the subversion REPOSITORY you can:
Look to the repository on the web ...
Mod of negative number is melting my brain
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