Top "Shuffle" questions

Shuffling is the act of randomizing the order of the elements in a collection.

Why does Collections.shuffle() fail for my array?

Why does my code not work? package generatingInitialPopulation; import java.util.Arrays; import java.util.Collections; public class TestShuffle { public …

java shuffle random-access
Shuffling a deck of cards

I'm making a Deck class for a C++ program. It needs to have two methods: one to pop a card …

c++ algorithm boost shuffle
C#: Good/best implementation of Swap method

I read this post about card shuffling and in many shuffling and sorting algorithms you need to swap two items …

c# sorting shuffle
php random order from a foreach

I have some foreach, this could work well foreach ($umm as $data) { echo '<img src="'.$data->…

php random foreach shuffle
Shuffle List<T>

Possible Duplicate: Randomize a List<T> in C# I have a list which contains many thousands of FilePath's …

c# list shuffle
Shuffle in Python

Is there a straightforward way to RETURN a shuffled array in Python rather than shuffling it in place? e.g., …

python random shuffle
Is Collections.shuffle() really random enough? Practical examples seem to deny this statement

I have 1000 unique objects in a java.util.List, each referring to an image, each image in the 1000-list is …

java arrays collections random shuffle
Spill to disk and shuffle write spark

I'm getting confused about spill to disk and shuffle write. Using the default Sort shuffle manager, we use an appendOnlyMap …

apache-spark rdd shuffle
Get random elements from array in Swift

I have an array like: var names: String = [ "Peter", "Steve", "Max", "Sandra", "Roman", "Julia" ] I would like to get 3 random …

arrays swift random shuffle
Simple method to shuffle the elements of an array in BASH shell?

I can do this in PHP but am trying to work within the BASH shell. I need to take an …

bash shell shuffle