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Properly removing an Integer from a List
...ments):
remove(Object o)
remove(int index)
That means that list.remove(1) removes the object at position 1 and remove(new Integer(1)) removes the first occurrence of the specified element from this list.
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Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
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119
I'd just use zip:
In [1]: from pandas import *
In [2]: def calculate(x):
...: return ...
Redis strings vs Redis hashes to represent JSON: efficiency?
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170
It depends on how you access the data:
Go for Option 1:
If you use most of the fields on mo...
What does “fragment” mean in ANTLR?
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A fragment is somewhat akin to an inline function: It makes the grammar more readable and easi...
Python != operation vs “is not”
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310
== is an equality test. It checks whether the right hand side and the left hand side are equal ...
Working with $scope.$emit and $scope.$on
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Unknown file type MIME?
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186
You can use application/octet-stream for unknown types.
RFC 2046 states in section 4.5.1:
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Difference between signed / unsigned char [duplicate]
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There's no dedicated "character type" in C language. char is an integer type, same (in that re...
Why does C++ rand() seem to generate only numbers of the same order of magnitude?
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There are only 3% of numbers between 1 and 230 which are NOT between 225 and 230. So, this sounds pretty normal :)
Because 225 / 230 = 2-5 = 1/32 = 0.03125 = 3.125%
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