Issue enum Posts { case roxham case satellite case zone34 } struct Member: Hashable, Identifiable { var name: String var permanent: Bool var shift: Shifts var post: Posts? var canLedger = false let id = UUID() } let allMembers: Set<Member>
Continue readingTag: set
[SOLVED] Python unique list using set
Issue What I am trying to do is write a method that takes a list as an argument and uses a set to return a copy of the list where each element only occurs once, as well as having the
Continue reading[SOLVED] How to plot a dictionary of sets in python?
Issue I have a dictionary of sets and I want to plot the histogram for it. How can I do that? i tried turning it into lists but it still gives me errors linked to set #Plot histogram for the
Continue reading[SOLVED] Java : How to convert from Set to List while specifying first element of List
Issue static void main(String[] args) { List<Foo> fooList = new LinkedList<>(); Set<Foo> fooSet = new HashSet<>(); Foo element1 = new Foo("Element1"); Foo element2 = new Foo("Element2"); Foo element3 = new Foo("Element3"); fooSet.add(element1); fooSet.add(element2); fooSet.add(element3); CollectionUtils.addAll(fooList, fooSet); } Is there a
Continue reading[SOLVED] Pushing array into an array of array in TS
Issue I am coming from Python, and am not entirely familiar with the ‘proper’ JS/TS way of doing things. I am looping through the elements of a set, and I am pushing lists of some of the elements onto a
Continue reading[SOLVED] Test if one array is a subset of another
Issue How can I determine if one array is a subset of another (all elements in the first are present in the second)? $s1 = “string1>string2>string3>string4>string5>string6>”; $arr1 = explode(“>”, $s1); $s2 = “string1>string4>string5”; $arr2 = explode(“>”, $s2); $isSubset = /*
Continue reading[SOLVED] JavaScript Array to Set
Issue MSDN references JavaScript’s Set collection abstraction. I’ve got an array of objects that I’d like to convert to a set so that I am able to remove (.delete()) various elements by name: var array = [ {name: “malcom”, dogType:
Continue reading[SOLVED] Python aggregate lists that share a common item
Issue I’m looking for a function to aggregate lists that have a common item. The specific example I had in mind was the following case: inputs = [[‘a’,’b’], [‘a’,’c’], [‘b’,’d’], [‘e’,’f’], [‘g’,’h’], [‘i’,’k’], [‘k’,’l’]] aggregated_output = [[‘a’,’b’,’c’,’d’],[‘e’,’f’],[‘g’,’h’],[‘i’,’k’,’l’]] as you can
Continue reading[SOLVED] MongoDB – Use $addToSet with conditions
Issue In a group aggregation, I’m simply trying to add names to a set if the age is 20: Let’s say I have the following two documents: _id: … timestamp: … name: Max age: 20 _id: … timestamp: … name:
Continue reading[SOLVED] How can I simulate an array variable in MySQL?
Issue It appears that MySQL doesn’t have array variables. What should I use instead? There seem to be two alternatives suggested: A set-type scalar and temporary tables. The question I linked to suggests the former. But is it good practice
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