SET
Power set elements of a certain length
Given an array of elements in PHP, I wish to create a new two-dimensional array containing only those elements of the power set that are a specific length. As an example, for the following array:[详细]
2023-04-03 07:01 分类：问答last element of the array gets printed first on iteration
import java.util.*; class next { public static void main( String args[] ) { String elements[] = { \"Suhail\" , \"S开发者_JAVA百科hadow\" , \"Stars\" };[详细]
2023-04-03 06:15 分类：问答bash setting generated variables
I have a variable name that is made up of the string orig_endpoints_ with the name of a file (sans extension).[详细]
2023-04-02 22:08 分类：问答How can I find intersection of two large file efficiently using python?
I have two large files. Their contents looks like this: 134430513 125296589 151963957 125296589 The file contains an unsorted list of ids. Some ids may appear more than one time in a single file.[详细]
2023-04-02 21:45 分类：问答how to write unit test for retrieving items from a java Set
I have implemented a ShoppingCart where the CartItems are put in a Set to avoid duplicate items. I want to test putting items in cart and persisting in db, and then retrieving the items from cart and[详细]
2023-04-02 11:33 分类：问答Creating Sets/Lists
Write a public class method makeTestSet() which takes no argument, that creates and returns an empty unsorted set whose elements are declared to be of type EOHoverFrog.[详细]
2023-04-02 09:31 分类：问答Instance set in Java?
Java defines a Set interface where contains() is defined as following: Returns true if this set contains the specified element. More[详细]
2023-04-02 04:56 分类：问答Static sized permutations from Dynamic sized set
How can I obtain all combinations for a list where combination size need only be static eg. if the list has 4 elements then it will only need permutations of length 4 not 3, 2 and 1. I\'m guessing thi[详细]
2023-04-02 03:57 分类：问答Parallel Subset
The setup: I have two arrays which are not sorted and are not of the same length. I want to see if one of the arrays is a subset of the other. Each array is a set in the sense that there are no duplic[详细]
2023-04-02 00:52 分类：问答bash set -e and i=0;let i++ do not agree
the following script with debug option \'set -e -v\' fails at the increment operator only when the variable has a prior value of zero.[详细]
2023-04-01 20:08 分类：问答
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