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Why can't R's ifelse statements return vectors?
I've found R's ifelse statements to be pretty handy from time to time. For example:
9 Answers
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Split List into Sublists with LINQ
...By(x=>f(x)).First() will never yield a group. OP asked about lists, but if we write to work with IEnumerable, making only a single iteration, we reap the performance advantage.
– Colonel Panic
Jul 11 '12 at 22:16
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Finding median of list in Python
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What if you want to find median of a sorted array. So you cannot use built in function statistics.median because it will slow down while sorting again
– GilbertS
Feb 22 at 16:44
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How to check if a float value is a whole number
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To check if a float value is a whole number, use the float.is_integer() method:
>>> (1.0).is_integer()
True
>>> (1.555).is_integer()
False
The method was added to the float type in Python 2.6.
Take into account t...
What is the list of supported languages/locales on Android?
I'd like to know what to name my folder for different languages. Where can I find the supported list of languages on Android?
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Logic to test that 3 of 4 are True
I want to return True if and only if 3 out of 4 boolean values are true.
27 Answers
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Simple C example of doing an HTTP POST and consuming the response
...sage body separated by a blank line. The blank line is ALWAYS needed even if there is no message body. The header starts with a command and has additional lines of key value pairs separated by a colon and a space. If there is a message body, it can be anything you want it to be.
Lines in the hea...
How do I detect the Python version at runtime? [duplicate]
...o.
For example, to check that you are running Python 3.x, use
import sys
if sys.version_info[0] < 3:
raise Exception("Must be using Python 3")
Here, sys.version_info[0] is the major version number. sys.version_info[1] would give you the minor version number.
In Python 2.7 and later, the ...
How can I check if a single character appears in a string?
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You can use string.indexOf('a').
If the char a is present in string :
it returns the the index of the first occurrence of the character in
the character sequence represented by this object, or -1 if the
character does not occur.
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How to check if type of a variable is string?
Is there a way to check if the type of a variable in python is a string , like:
20 Answers
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