PHP how to recreate the random order of an array after chunk
For an online game I create an initial PHP array with 36 values: A-Z 0-9. A random script remix the array, i.e [0] R [1] 4 [2] N [3] d ... [35] 8 Once done the script assigns 6 signs…
How to get all possible combinations of multiple lists with different indexes only in javascript?
Let's pretend I have the following lists: const list1 = [1,2,3,4,5] const list2 = [6,7,8,9,10] const list3 = [11,12,13,14,15] const list4 = [16,17,18,19,20] How do I get all possible combinations but only with different indexes? So for example the result…
Javascript – How to generate all possible unique combinations of an array of objects, based on different properties
I have an array of objects and want to create all possible unique combinations based on two keys. Example input - [ { slot: 'body', spell: 'combat.i', item: 'body combat1'}, { slot: 'body', spell: 'combat.i', item: 'body combat2'}, { slot:…
PHP – Generate all possible permutations and do something
I have a set of value, say: 0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z and I'd like to generate all possible keys of 8-digit: 00000000 00000001 00000002 ... zzzzzzzy zzzzzzzz but all solutions found trying to allocate an array and PHP gets out of memory. So…
Visual Studio Code – How to program a MIP solver to find balanced Gray code for mixed radices?
The permutations of a mixed radix number can be ordered to achieve Grayness (in the sense of Gray code) with optimal balance and span length. Each of these constraints will be explained in turn. In my examples, I use a…
Find combination of nested JSON keys
I am having some trouble solving this issue without using nested for-loops. I would like to do it using recursion. Given the following object: { "Color": { "Black": [], "White": [] }, "Effect": { "30W": [], "40W": [], "60W": []…
How can I sum value of all permutations from N to M without repetitions in SQL?
I need to write a query that sums the values of all possible permutations and shows only one row for the result. I also need to mention that table is stored as an array and that number of items in…