var Combination = []; function Reduce(List, Target) { if(List.length > 1) { return Reduce(List.filter(word => word !== List[0]), List[1]); } else { return List[0]; } } If user input X = ["AB, "DE", "SZ", "YY"], above function have to return…
Here I have created a function that will compile whether an object's parentid matches its childId or not, so id 1 is a parent Id that has a child with 11,12, so if I call that function checkParentId(obj, 1, 12),…
I am having some difficulties in what the best way to go about this is. Example below: const arr = [{ parentId: 1, children: [ { childId: 11 }, { childId: 21 }, { childId: 31 }, ] }, {…
In this code block, am trying to understand the concept of recursion but, where I miss the whole point is this: sum(arr, n) = sum(arr, n - 1) + arr[n - 1]; I have this code block: function sum(arr, n){…
I want to add a set of arrays into the existing array with the same key. I can make those data out from db. But I cannot put them together to work. DB PHP $stmt=$mysqli->prepare("select * from option_unit order by…
I have an huge input array of nodes with children array that contains a list of id of nodes, I've got help to create a tree function that loop through the input array to create a tree. the input :…
I'm trying to build a searchable menu of teams in Javascript/TypeScript - not sure how to do it. Basically, I have a set of data laid out like this. const data = [ { 'name': 'Alex A', 'agentId': '1225', },…
I have 3 inputs: an array, a total count integer and an arbitrary value. input_array = ['hello', 'there', 'world'] total_count = 15 fill_value = null Desired output: output = [ 'hello', null, null, null, null, 'there', null, null, null, null,…
I want to search values in array by key, but I am having trouble when those keys value are an array, I have the following code: $key_to_search = "sizes"; $result = []; $array = [ "color" => "red", "subcolor" =>…
I have two tables with many to many relationship in Postresql database. The first Topic table consists of three columns. Their names are id, name and parent. Topic table has hierarchial structure: id name parent 1 Mathematics 0 2 Algebra…