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How do I calculate percentiles with python/numpy?
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294
You might be interested in the SciPy Stats package. It has the percentile function you're afte...
Boolean operators && and ||
...rter ones are vectorized, meaning they can return a vector, like this:
((-2:2) >= 0) & ((-2:2) <= 0)
# [1] FALSE FALSE TRUE FALSE FALSE
The longer form evaluates left to right examining only the first element of each vector, so the above gives
((-2:2) >= 0) && ((-2:2) <...
Compare two List objects for equality, ignoring order [duplicate]
... before comparing:
Enumerable.SequenceEqual(list1.OrderBy(t => t), list2.OrderBy(t => t))
Edit:
Here is a solution that performs a bit better (about ten times faster), and only requires IEquatable, not IComparable:
public static bool ScrambledEquals<T>(IEnumerable<T> list1, IE...
Array slices in C#
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201
Arrays are enumerable, so your foo already is an IEnumerable<byte> itself.
Simply use LI...
With bash, how can I pipe standard error into another process?
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172
There is also process substitution. Which makes a process substitute for a file.
You can send s...
How to convert a scala.List to a java.util.List?
... first have to convert the Scala List into a mutable collection.
On Scala 2.7:
import scala.collection.jcl.Conversions.unconvertList
import scala.collection.jcl.ArrayList
unconvertList(new ArrayList ++ List(1,2,3))
From Scala 2.8 onwards:
import scala.collection.JavaConversions._
import scala.c...
JavaScript displaying a float to 2 decimal places
I wanted to display a number to 2 decimal places.
10 Answers
10
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Count number of occurences for each unique value
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182
Perhaps table is what you are after?
dummyData = rep(c(1,2, 2, 2), 25)
table(dummyData)
# dumm...
How to profile a bash shell script slow startup?
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132
If you have GNU date (or another version that can output nanoseconds), do this at the beginning ...